Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
Allegro MicroSystems' A3979SLP-T is a Motion Control IC with 28 terminals, operating voltage of 3-5.5V, and max output current of 2.5A. Ideal for stepper motor control applications due to its BCDMOS technology, compact size (9.7mm x 4.4mm), and temp range of -20°C to 85°C.
Median Price
-
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Chip Stock
1+ parts
100+ parts
1k+ parts
10k+ parts
Vyrian
VNN
Sensible Micro Corp
Nova Conductors
Prism Electronics
LittleDiode
Sogenti Electronics
Semicontronic
$3.500
$3.412
$3.395
Ampacity Inc.
Aztec Data Supply Inc.
$16.800
AZTECH Wire
$17.840
Advanced Electronics
$18.336
$17.419
Corohmni
$18.446
Infinite Electronics LLP (Excess)
Continental Prestige Electronics
Glotronic Ltd.
Argo Parts USA
Lixinc
Robosynatics
Lucentia Tech
A-Z Elektronik GmbH
Microchip USA
Bastille Electronics
The use of plastic/epoxy material makes this product lightweight and durable, perfect for applications where weight and longevity are important factors.
This surface mount capability allows for easy and efficient installation, making it a convenient choice for users looking for a simple setup process.
The rectangular package shape provides a compact design that can easily fit into tight spaces, making it ideal for applications with limited room for components.
With a 5V supply voltage, this product is versatile and compatible with a wide range of systems, offering flexibility and ease of integration.
The multiple power supply options allow for customization and optimization of power requirements, making this product adaptable to different operating conditions.
The 28 terminals provide ample connectivity options, allowing for versatile configurations and enhancing compatibility with various devices.
The diverse package styles offer flexibility in design options, catering to specific needs and preferences of users in different applications.
With a high maximum operating temperature, this product is suitable for demanding environments where heat resistance is crucial for reliable performance.
The low minimum operating temperature ensures this product can function effectively in cold conditions, making it a reliable choice for diverse applications.
The matte tin finish provides corrosion resistance and enhances soldering capabilities, ensuring long-term reliability in various operating environments.
Motion Control ICs A3979SLP-T attributes and parameters. Explore more Motion Control ICs devices from Allegro MicroSystems
Additional Features:
Other IC type:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Output Current:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Power Supplies (V):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Voltage (Vsup):
Minimum Supply Voltage (Vsup):
Nominal Supply Voltage (Vsup):
Surface Mount:
Technology:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width (mm):
A3979SLP-T Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Packaging - Tape Change 27/Jan/2023
With more than 30 years of experience developing advanced semiconductor technology and application-specific algorithms, Allegro is a global leader in power and sensing solutions for motion control and energy-efficient systems. Through our innovations in e-Mobility, Clean Energy, and Automation, we are helping move the world toward a safer, more sustainable future. Each year we ship over one billion units into these applications to support our 10,000+ customers around the globe, including over 50 automotive OEMs. Our global engineering, manufacturing and support, combined with our agility, make Allegro a trusted partner to both large enterprises and regional market leaders worldwide.
ECA2DHG4R7
Panasonic
ECA2DHG4R7 by Panasonic is a 4.7uF aluminum electrolytic capacitor with 200V rated DC voltage. It features tan delta of 0.15, leakage current of 0.0664mA, and ripple current of 50mA, making it ideal for applications requiring high capacitance stability and low leakage in through-hole mounting setups at temperatures ranging from -25 to 105°C.
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
LL4148
Vishay Intertechnology
Vishay Intertechnology's LL4148 diode features a max reverse recovery time of 0.004 us, forward voltage of 1 V, and output current of 0.15 A. Ideal for rectification applications in electronics due to its high efficiency and low power dissipation capabilities.
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
SS14
Rugao Dachang Electronic
RECTIFIER DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 40 V; Maximum Forward Voltage (VF): .55 V; No. of Elements: 1; Technology: SCHOTTKY;
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Kec
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Non Repetitive Peak Forward Current: 2 A; Config: SINGLE; Maximum Operating Temperature: 200 Cel;
MBR0530T1G
MBR0530T1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.375V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring high-speed switching in compact electronic devices like smartphones and tablets. The package style is small outline with gull wing terminals for surface mount assembly.
SMBJ18CA
Eic Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Dc Components
MBR0520LT1
Motorola
Panjit International
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications due to its rectangular package shape and wraparound terminals.
BAV99
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
LM358N
STMicroelectronics
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Rectron
BAV99-7-F
Diodes Incorporated
Diodes Inc. BAV99-7-F is a series-connected, center tap diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.004 us and can handle up to 0.3A output current. Ideal for rectification applications requiring fast switching and low reverse current requirements.
BSS138
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
L6219DS
Allegro MicroSystems
STEPPER MOTOR CONTROLLER; Temperature Grade: OTHER; No. of Terminals: 24; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LV8413GP-H
LV8413GP-H by Onsemi is a Motion Control IC in a square chip carrier package. Operates at -30 to 85°C with power supplies of 3.3V and 5V. Features BICMOS technology, suitable for applications requiring precise motion control in compact designs.
MC33926PNBR2
NXP Semiconductors
MC33926PNBR2 by NXP Semiconductors is a Motion Control IC with 32 terminals, suitable for automotive applications. It operates b/w -40 to 125 °C and supports supply voltages from 5V to 28V. The chip carrier package style has a square shape and terminal pitch of 0.8mm, making it ideal for brush DC motor control in compact designs.
TLE52052GPAUMA1
Infineon Technologies
TLE52052GPAUMA1 by Infineon is a Motion Control IC with 20 terminals, BCDMOS technology, and 6A max output current. Ideal for BRUSH DC MOTOR CONTROL applications due to its 13.2V nominal voltage and compact rectangular package design (15.9mm x 11mm).
FNB43060T2
FNB43060T2 by Onsemi is a Motion Control IC with 26 terminals and a max output current of 60A. It operates in temperatures ranging from -40 to 125°C, making it suitable for automotive applications. This hybrid technology IC has a nominal voltage of 300V and can handle a max supply voltage of 400V.
TLE71851EXUMA1
TLE71851EXUMA1 by Infineon Technologies is a motion control IC with a nominal voltage of 7V. It is a small outline package with 36 terminals and can be used as an AC motor controller. Its compact size (12.8mm length, 7.6mm width) makes it suitable for various applications requiring precise motion control.
DRV8873HPWPR
Texas Instruments
DRV8873HPWPR by Texas Instruments is a motion control IC with 24 terminals and a supply voltage range of 4.5V to 38V. It features a small outline package, suitable for automotive applications, with an operating temperature range from -40°C to 125°C. This IC is designed for brush DC motor control in various electronic systems.
E-L6219R013TR
E-L6219R013TR by STMicroelectronics is a motion control IC with a supply voltage range of 4.75V to 5.25V and a max output current of 1A. It is a bipolar stepper motor controller, suitable for applications requiring precise motion control in compact designs.
TC654EUN
Microchip Technology
Microchip TC654EUN is a Motion Control IC with 10 terminals, operating voltage of 3-5V, and industrial temperature grade. Ideal for Brushless DC Motor control applications due to its small outline package, matte tin finish, and dual terminal position. Supports surface mount installation with a max seated height of 1.1mm.
L6226QTR
L6226QTR by STMicroelectronics is a Motion Control IC with 32 terminals, operating voltage range of 8-52V. It features BCDMOS technology, automotive-grade temperature rating (-40 to 150°C), and is ideal for brush DC motor control applications.
FSB50760SFS
Fairchild Semiconductor
AC MOTOR CONTROLLER; No. of Terminals: 23; Package Shape: RECTANGULAR; Surface Mount: YES; No. of Functions: 1; Qualification: Not Qualified;
E-L6219DSATR
STMicroelectronics E-L6219DSATR is a Motion Control IC with 24 terminals, operating voltage of 5V, and max output current of 1A. Ideal for automotive applications, it features bipolar technology and supports stepper motor control with a temp range from -40 to 125°C.
DRV8210DSGR
DRV8210DSGR by Texas Instruments is a Motion Control IC with 8 terminals, operating voltage range of 1.65V to 5.5V, and max output current of 1.76A. Ideal for automotive applications due to its nickel palladium gold finish, -40°C to 125°C temperature range, and no-lead terminal form.
DRV8908QPWPRQ1
DRV8908QPWPRQ1 by Texas Instruments is a Motion Control IC with 24 terminals and a supply voltage range of 3V to 5.5V. It operates in temperatures from -40°C to 125°C, making it suitable for automotive applications. With a compact design and gull wing terminal form, it offers efficient control for brush DC motors in tight spaces.
NCV33035DWR2G
NCV33035DWR2G by Onsemi is a Motion Control IC with 24 terminals, operating temperature range of -40 to 125 °C. It is a Brushless DC Motor Controller suitable for automotive applications, featuring a supply voltage range from 10V to 30V and max output current of 0.1A.
PDRV8452DDWR
PDRV8452DDWR by Texas Instruments is a Motion Control IC with 44 terminals, operating voltage range of 4.5V to 48V, and max output current of 5A. It is designed for stepper motor control applications, featuring a small outline package and dual terminal position suitable for various motion control systems. With a wide temperature range from -40°C to 125°C, it offers reliable performance in diverse environments.
FSBB10CH120DF
FSBB10CH120DF by Onsemi is a Motion Control IC with 27 terminals, operating voltage range of 13.5V to 16.5V, and max output current of 20A. It is designed for AC motor control applications, featuring a compact rectangular package style measuring 44mm in length, 26.8mm in width, and seated height of 7.5mm.
STGIPQ5C60T-HL
STMicroelectronics' STGIPQ5C60T-HL is a Motion Control IC with 26 terminals, operating b/w -40°C to 125°C. It features a nominal voltage range of 13.5V to 18V, making it ideal for automotive applications as an AC motor controller in hybrid technology.
TMC603A-LA
Microsemi
BRUSHLESS DC MOTOR CONTROLLER; No. of Terminals: 52; Package Code: HVQCCN; Package Shape: SQUARE; Surface Mount: YES; Nominal Supply Voltage (Vsup): 5 V;
DRV8231DSGR
DRV8231DSGR by Texas Instruments is a Motion Control IC with 8 terminals, operating voltage range of 4.5V to 33V, and max output current of 3.7A. Ideal for brush DC motor control applications, it features a small outline package with low profile design suitable for surface mount assembly in various temperature environments from -40°C to 150°C.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
A3979SLPTR-T
Allegro MicroSystems' A3979SLPTR-T is a Motion Control IC with 28 terminals, operating voltage of 3-5.5V, and max output current of 2.5A. Ideal for stepper motor control applications due to its compact size, NMOS technology, and peak reflow temp of 260°C.
A3977SLPTR-T
Allegro MicroSystems' A3977SLPTR-T is a Motion Control IC with 28 terminals, operating voltage of 3-5.5V, and max output current of 2.5A. Ideal for stepper motor control applications due to its compact size, NMOS technology, and peak reflow temp of 260°C.
A3979SLPTR
Allegro MicroSystems A3979SLPTR is a Motion Control IC with 28 terminals, operating voltage of 3-5.5 V, and max output current of 2.5 A. Ideal for stepper motor control applications due to its BCDMOS technology and compact design with small outline package shape. Operating temperature range from -20 to 85 °C ensures reliable performance in various environments.
A3977SLP-T
Allegro MicroSystems' A3977SLP-T is a Motion Control IC with 28 terminals, operating voltage of 3-5.5V, and max output current of 2.5A. Ideal for stepper motor control applications due to its compact size, NMOS technology, and peak reflow temp of 260°C.
A3977SLPTR
Allegro MicroSystems' A3977SLPTR is a Motion Control IC with 28 terminals, operating at -20 to 85°C. It supports stepper motor control, offering a max output current of 2.5A at a supply voltage range of 3-5.5V. The small outline package with gull wing terminals and thin profile makes it suitable for various motion control applications requiring precise voltage regulation and thermal management.
A3979SLP
STEPPER MOTOR CONTROLLER; Temperature Grade: OTHER; No. of Terminals: 28; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
A3977SEDTR-T
STEPPER MOTOR CONTROLLER; Temperature Grade: OTHER; No. of Terminals: 44; Package Code: QCCJ; Package Shape: SQUARE; Surface Mount: YES;
A3977KEDTR-T
STEPPER MOTOR CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 44; Package Code: QCCJ; Package Shape: SQUARE; Surface Mount: YES;
A3977SED
A3977SED-T
A3977KEDTR
A3972SB-T
A3972SB-T by Allegro MicroSystems is a motion control IC with 2 functions. It operates at a nominal voltage of 5V and has a max output current of 1.5A. This IC is commonly used as a brush DC motor controller in various applications.
A3977SEDTR
A3977SLP
A3977KLPTR-T
A3977KLPTR-T by Allegro MicroSystems is a motion control IC with a max output current of 2.5A. It operates at a nominal voltage of 5V and has a temperature grade suitable for automotive applications. This IC is designed for controlling stepper motors in various electronic systems.
A3977ELP
STEPPER MOTOR CONTROLLER; Temperature Grade: INDUSTRIAL; No. of Terminals: 28; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
A3977KLP
STEPPER MOTOR CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 28; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
A3977ELPTR
A3977KLPTR
A3977SLP-TTR
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved