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
SWITCHED CAPACITOR CONVERTER; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Median Price
$10.978
Lifecycle Status
Suppliers In-Stock
18
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$9.490
100+ parts
$5.740
1k+ parts
-
10k+ parts
Farnell
$10.585
$7.913
$6.003
Arrow
$7.399
$6.747
DigiKey
$12.480
$8.395
$7.658
Element14
$18.810
$9.570
$8.800
Nova Conductors
$5.445
Digiode
$9.016
Component Electronics Inc.
$9.230
$6.920
$6.000
Chip Stock
Vyrian
Anansix
Sensible Micro Corp
Semi Source
LWI Electronics Inc
Avant Electronics Limited
Cogito LLC
Inland Empire Components Inc.
Electronics Depot
Modulus Dynamics
$3.906
Semicontronic
$5.990
$5.840
$5.810
Vigor
$6.840
Continental Prestige Electronics
$7.590
$5.670
$4.310
Component Stockers USA
$7.600
$5.960
$4.770
Ampacity Inc.
$8.070
Corphita
$8.541
Advanced Electronics
$14.374
$13.080
$11.787
Aztec Data Supply Inc.
$14.390
MARBEL Systems
$16.507
Texas Native Microelectronics
$18.974
$17.646
$16.697
Parana Technologies
$21.348
$19.854
Kenton Components
$22.769
$20.037
IDEA Electronic Components Group
$22.955
$21.807
Corohmni
$23.691
Microchip USA
$25.280
DigiPath Technology Company
$35.810
$34.377
Qasali Group International
$51.230
Lixinc
Perfect Parts
RC Electronics
Authorized Procurement Solutions
Glotronic Ltd.
Argo Parts USA
Futuretech Components
GreenTree Electronics
Robosynatics
Lucentia Tech
$4.963
Cyclops Electronics Ltd (Excess)
Switching Regulators & Controllers LTC1144IS8#PBF attributes and parameters. Explore more Switching Regulators & Controllers devices from Linear Technology
Other IC type:
Maximum Input Voltage:
Minimum Input Voltage:
Nominal Input Voltage:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Current (Isup):
Surface Mount:
Switcher Config:
Maximum Switching Frequency:
Technology:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width (mm):
LTC1144IS8#PBF Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Design/Specification - Laser Top Mark 16/Jun/2021 Mult Dev 14/Nov/2022
U.S. In July 2016, Analog Devices agreed to buy Linear Technology for 14.8 billion dollars. This acquisition was finalized on March 10, 2017. The Linear name survives as the "Power by Linear" brand that is used to market the combined power management portfolios of Linear Technology and Analog Devices.
OPA2277UA/2K5
Texas Instruments
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.
CC0603KRX7R9BB103
Yageo
Yageo CC0603KRX7R9BB103 is a 0603 SMT ceramic capacitor with capacitance of 0.01uF and rated DC voltage of 50V. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
1N4148
Dc Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
GRM155R71H103KA88D
Murata Manufacturing
The Murata Manufacturing GRM155R71H103KA88D is a ceramic capacitor with 0.01uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and high reliability.
BAV99
Motorola
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;
SS14
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
Diotec Semiconductor Ag
Bkc Semiconductors
DS18B20Z+T&R
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Body Material: PLASTIC/EPOXY;
SMBJ18CA
Mde Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Philips Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/56351
Souriau-sunbank Connection Technologies
Souriau-sunbank's M39029/56351 is a CRIMP contact type backshell accessory compliant with MIL-DTL-38999. It features FEMALE gender contacts, compatible with M39029/58363 mating contacts. The insertion and removal tools required are M81969/14-10 and M22520/2-10 respectively, making it ideal for military connector applications.
Continental Device India
FDC5614P
MSKSEMI SEMICONDUCTOR
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 2 W; Transistor Element Material: SILICON; Minimum DS Breakdown Voltage: 60 V;
LL4148
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM107H
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Minimum Voltage Gain: 25000;
STM32H753ZIT6
STMicroelectronics
STM32H753ZIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20-Ch 16-Bit ADC and 2-Ch 12-Bit DAC channels. With a clock frequency of up to 48 MHz, it is ideal for industrial applications requiring CAN, Ethernet, and USB connectivity. This microcontroller operates b/w -40°C to +85°C temperature range.
LM3488MMX/NOPB
National Semiconductor
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
LMZ10501SILR
LMZ10501SILR by Texas Instruments is a switching regulator with a max output current of 1A and a max switching frequency of 2250kHz. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
LMZ10500SILR
LMZ10500SILR by Texas Instruments is a switching regulator with 8 terminals, operating temperature range of -40 to 125°C, and output voltage range from 0.6V to 3.6V. Ideal for automotive applications due to its compact size (3x2.6mm) and current-mode control technique with a max output current of 0.65A at a switching frequency of up to 2250kHz.
TPS630701RNMT
TPS630701RNMT by Texas Instruments is a 15-terminal switching regulator with a max output current of 2A and a control mode of current-mode. It operates b/w -40 to 125°C, making it suitable for automotive applications requiring efficient power management in compact spaces.
LM3478MM
LM3478MM by Texas Instruments is a switching controller with current-mode control technique. It operates b/w -40 to 125°C, suitable for automotive applications. With a max output voltage of 500V and output current of 1A, it uses pulse width modulation at a frequency of up to 1000 kHz for buck-boost configurations.
LM2576HVT-ADJ
First Components International
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 5; Package Code: TO-220; Package Shape: RECTANGULAR; Surface Mount: NO;
NCP3063BDR2G
Onsemi
NCP3063BDR2G by Onsemi is a switching regulator with 1.5A output current, 190kHz max switching frequency, and -40 to 125°C operating temp range. Ideal for automotive applications due to its buck-boost switcher config and hysteric current mode control technique.
UCC12050DVER
UCC12050DVER by Texas Instruments is a voltage-mode switching regulator with a 3.3V output and 5V input, ideal for automotive applications. It operates b/w -40°C to 125°C, with a max output current of 0.1A in a small outline package measuring 10.3mm x 7.5mm x 2.65mm.
LM5155DSSR
LM5155DSSR by Texas Instruments is a switching regulator with a max output voltage of 300V and min input voltage of 1.5V, suitable for automotive applications. It operates in current-mode control with a max switching frequency of 2200kHz, making it ideal for compact designs requiring efficient power management. The package style is small outline with very thin profile, offering space-saving benefits for electronic devices.
LT1054IS8#TRPBF
Linear Technology
SWITCHED CAPACITOR REGULATOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TPS60400DBVRG4
TPS60400DBVRG4 by Texas Instruments is a small outline, low profile switched capacitor converter with a max output current of 0.06A and a max switching frequency of 350kHz. It operates in industrial temperature grade range from -40°C to 85°C, making it suitable for various applications requiring a nominal input voltage of 5V and a min output voltage of -5V.
SG3525AN
Microsemi
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
TPS61222DCKT
TPS61222DCKT by Texas Instruments is a switching regulator with max output current of 0.4A and max operating temp of 85°C. Ideal for battery charge control applications, it operates in hysteric current mode with boost switcher config and has a small outline package style.
LM2576HVS-5.0/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 5; Package Code: TO-263; Package Shape: RECTANGULAR; Surface Mount: YES;
MCP16331T-E/CHVAO
Microchip Technology
MCP16331T-E/CHVAO by Microchip is a switching regulator with 6 terminals, operating temp. range of -40 to 125°C, and max output current of 0.8A. Ideal for automotive applications due to AEC-Q100 screening level and compact design with small outline package style. Supports buck switcher config., PWM control technique, and has a max switching frequency of 550kHz.
LTC3646EMSE#PBF
SWITCHING REGULATOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 16; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LT8608EMSE#PBF
Analog Devices
LT8608EMSE#PBF by Analog Devices is a switching regulator with a max input voltage of 42V and a max switching frequency of 2200kHz. It operates in current-mode control and is suitable for applications requiring small outline, heat sink, and thin profile packages.
LM2574N-5G
LM2574N-5G by Onsemi is a voltage-mode switching regulator with 1.8A output current, operating b/w -40 to 125°C. Ideal for automotive applications, it supports input voltages from 7V to 40V and offers a max switching frequency of 63kHz in a compact rectangular package.
TPS60403DBV
TPS60403DBV by Texas Instruments is a small outline, low profile switching regulator with 5 terminals. It operates at -40 to 85°C and has a max output current of 0.06A. Ideal for industrial applications requiring a min input voltage of 1.8V and max output voltage of -5.5V at a frequency of up to 300kHz.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LTC1983ES6-5#TRMPBF
SWITCHED CAPACITOR REGULATOR; Temperature Grade: COMMERCIAL; No. of Terminals: 6; Package Code: VSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LTC1983ES6-5#TRMPBF by Analog Devices is a small outline, thin profile switched capacitor regulator with 6 terminals. It operates b/w 0-70°C and has a max switching frequency of 900 kHz. Ideal for applications requiring a nominal input voltage of 5V, such as portable electronic devices.
LTC1144IS8#PBF
LTC1144IS8#PBF by Analog Devices is a CMOS switched capacitor converter with 8 terminals, operating b/w -40 to 85°C. It has a max input voltage of 18V and nominal input voltage of 15V, suitable for industrial applications. With a small outline package style and surface mount capability, it offers a max switching frequency of 10 kHz.
LTC1144IS8#TRPBF
LTC1144IS8#TRPBF by Analog Devices is a small outline switched capacitor converter with a max input voltage of 18V and operating temperature range from -40 to 85°C. It features a CMOS technology, dual terminal position, and operates at a max switching frequency of 10 kHz. Ideal for industrial applications requiring efficient power regulation in compact spaces.
LTC1983ES6-5#TRPBF
LTC1983ES6-5#TRPBF by Analog Devices is a 6-terminal switched capacitor regulator with a nominal input voltage of 5V. It operates b/w 0-70°C, has a max switching frequency of 900 kHz, and is ideal for applications requiring small outline, thin profile regulators in commercial temperature grade environments.
LTC1983ES6-3#TRMPBF
LTC1983ES6-3#TRMPBF by Analog Devices is a CMOS switched capacitor regulator with 6 terminals, operating at -40 to 70°C. It has a nominal input voltage of 5V and output voltage of -3V, suitable for applications requiring a max switching frequency of 900 kHz in commercial-grade environments. The small outline package with gull wing terminals makes it ideal for space-constrained designs.
LTC1923EGN#PBF
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 28; Package Code: SSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LTC1983ES6-3#TRPBF
LTC1983ES6-3#TRPBF by Analog Devices is a SWITCHED CAPACITOR REGULATOR with input voltage range of 3-5.5V and max switching frequency of 900kHz. It comes in a small outline package suitable for commercial applications requiring efficient power regulation in compact spaces. With surface mount capability, it offers precise control over output voltages for various electronic devices.
LTC1144CS8#PBF
LTC1144CS8#PBF by Analog Devices is a CMOS switched capacitor converter with 8 terminals and a small outline package. It operates b/w 0-70°C, accepts input voltages from 2-18V, and has a max switching frequency of 10 kHz. Ideal for applications requiring efficient voltage regulation in compact spaces.
SWITCHED CAPACITOR CONVERTER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LTC1983ES6-5#PBF
LTC1983ES6-5#PBF by Analog Devices is a small outline, very thin profile switched capacitor regulator with 6 terminals. It operates b/w 0-70°C, has a max output current of 0.125A, and a max switching frequency of 900kHz. Ideal for applications requiring efficient power regulation in compact spaces.
LTC1983ES6-3#PBF
LTC1983ES6-3#PBF by Analog Devices is a CMOS switched capacitor regulator with 0.125A output current, suitable for commercial applications. It operates b/w 0-70°C, accepts input voltage from 3-5.5V, and has a max switching frequency of 900kHz. Ideal for compact designs requiring efficient power regulation in small outline packages.
LTC1147IS8-5#PBF
SWITCHING CONTROLLER; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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