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
Bourns PTV09A-4020F-B103 is a linear carbon potentiometer with 10000 ohm resistance, 20% tolerance, and 280° rotation angle. It is used in PCB mount applications for voltage control in electronic circuits. Operating temperature ranges from -10 to 50 °C.
Median Price
$0.875
Lifecycle Status
Suppliers In-Stock
14
In-Stock Inventory
1k+
Mouser Electronics
1+ parts
$0.860
100+ parts
$0.619
1k+ parts
$0.513
10k+ parts
$0.450
DigiKey
$0.890
$0.620
$0.514
Newark
$0.933
$0.707
$0.616
-
Farnell
$0.951
$0.573
$0.451
Element14
$86.500
$59.580
$46.970
Master Electronics
$0.606
$0.520
$0.454
Verical
$0.712
$0.611
Distrelec
Arrow
$0.482
$0.425
Chip1Stop
Nova Conductors
$0.480
IBS Electronics
$0.849
$0.729
$0.637
Electro Sonic
$0.600
$0.449
$0.405
Vyrian
Advanced Electronics
$0.033
$0.030
$0.027
Aztec Data Supply Inc.
$0.360
Corohmni
$0.437
Continental Prestige Electronics
$0.470
Argo Parts USA
$0.465
Semicontronic
$0.590
$0.575
$0.572
Perfect Parts
Horizontal orientation allows for easy installation and adjustment in various electronic devices.
Carbon technology ensures stable and reliable performance of the variable resistor.
With a resistance of 10000 ohm, this variable resistor is suitable for a wide range of applications.
PCB mount package style makes it convenient to integrate the variable resistor onto printed circuit boards.
With a rated power dissipation of 0.05 W, this variable resistor can handle moderate power loads.
Variable Resistors PTV09A-4020F-B103 attributes and parameters. Explore more Variable Resistors devices from Bourns
Orientation (Actuator):
Type (Actuator):
Additional Features:
Construction:
Ganging Number:
JESD-609 Code:
Mounting Type:
No. of Terminals:
No. of Turns:
Maximum Operating Temperature:
Minimum Operating Temperature:
Length (Package):
Shape (Package):
Package Style (Meter):
Width (Package):
Rated Power Dissipation (P):
Resistance:
Law Of Resistance:
Resistor Type:
Angle Of Rotation:
Sub-Category:
Technology:
Terminal Finish:
Terminal Shape:
Tolerance:
Operating Voltage:
PTV09A-4020F-B103 Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.70
SB
8533.40.00.80
Bourns, Inc. is an American electronics company that develops, manufactures and supplies electronic components for a variety of industries including automotive, industrial, instrumentation, medical electronics, consumer equipment and portable electronics. Established in Altadena, California in 1947 by Marlan and Rosemary Bourns, graduates of the University of Michigan, the company was founded to develop and sell electronic components and sensors to the aerospace industry. Bourns has 15 manufacturing facilities around the world and has continued growing through the development of new products and technologies as well as through acquisitions. The company has approximately 9000 employees worldwide.
LL4148
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
DS18B20Z+
Analog Devices
DS18B20Z+ by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
LM7805CT
Texas Instruments
LM7805CT by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a dropout voltage of 2V, and offers excellent line/load regulation for various electronic applications.
2N7002
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Package Style (Meter): SMALL OUTLINE; Terminal Position: DUAL;
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Moisture Sensitivity Level (MSL): 1; Maximum Operating Temperature: 150 Cel;
2N2222A
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
Rfe International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS138
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Qualification: Not Qualified;
DS18B20U
Maxim Integrated
DS18B20U by Maxim Integrated is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
LM107H
Intersil
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Nominal Common Mode Reject Ratio: 96 dB;
M85049/85-08W02
TE Connectivity
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Wire Gauge (AWG): 0; Maximum Wire Size: 0 AWG; Maximum Operating Temperature: 175 Cel; Material: ALUMINUM ALLOY;
BSS123,215
NXP Semiconductors
NXP Semiconductors' BSS123,215 is a N-CHANNEL FET for SWITCHING applications. Features include 100V DS Breakdown Voltage, 0.17A Drain Current, and 6 ohm On Resistance. With GULL WING terminals and ENHANCEMENT MODE operation, it's ideal for small outline packages in various electronic devices.
LM2931AZ-5.0RAG
Onsemi
LM2931AZ-5.0RAG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage, 0.1A max output current, and 0.6V max dropout voltage. Ideal for applications requiring stable voltage regulation in temperature-sensitive environments up to 150°C.
Sangdest Microelectronics (Nanjing)
BAV99
Plessey Semiconductors Discrete Components Div
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Micro Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM317AEMP/NOPB
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: SOP; Terminal Form: GULL WING; Qualification Status: Not Qualified; Width: 3.56 mm;
Changzhou Galaxy Century Microelectronics
SS14
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317T
STMicroelectronics
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-XSFM-T3; Minimum Input-Output Voltage Differential: 3 V;
T93YA104KT20
Vishay Intertechnology
Vishay Intertechnology's T93YA104KT20 is a 100k ohm linear trimmer resistor with 21 turns and 10% tolerance. It operates b/w -55°C to 125°C, suitable for PCB mounting applications requiring precise resistance adjustments up to 224V. The rectangular package measures 9.7mm x 5mm x 9.8mm, making it ideal for through-hole mounting in various electronic devices.
3310Y-001-103L
Bourns
Bourns 3310Y-001-103L is a linear potentiometer with resistance of 10k ohm, rated power of 0.25W, and temperature coefficient of 1000 ppm/°C. Ideal for PCB mounting applications in various electronic devices due to its conductive plastic technology and vertical actuator orientation.
P10XXAI502KB30
Vishay Intertechnology's P10XXAI502KB30 is a CERMET POTENTIOMETER with 10% Tolerance, 50 V Operating Voltage, and 0.5 W Rated Power Dissipation. It is ideal for PCB Mount applications requiring precise linear resistance adjustments in temperatures ranging from -55 to 125°C.
PS60-10MA1BR5K
Tt Electronics Plc
PS60-10MA1BR5K by Tt Electronics Plc is a linear conductive plastic potentiometer with 5000 ohm resistance, 20% tolerance, and 0.2 W power dissipation. Ideal for PCB mounting applications due to its vertical orientation, slide actuator type, and through-hole mounting capability.
T73XX201KT20
Vishay Intertechnology's T73XX201KT20 is a 200 ohm linear trimmer resistor with 3 terminals, rated for temperatures b/w -55 to 125 °C. It features a CERMET technology in a rectangular package suitable for PCB mounting applications. With an operating voltage of 10 V and power dissipation of 0.5 W, it offers precise resistance adjustments in various electronic circuits.
73JB20K
Honeywell Sensing And Control
73JB20K by Honeywell is a linear wire wound potentiometer with 20000 ohm resistance, 5% tolerance, and 2W power dissipation. It has a vertical actuator orientation, circular package shape, and shaft actuator type. Ideal for chassis mount applications with operating temperatures from -40°C to 120°C.
51CAD-E24-B18L
The Bourns 51CAD-E24-B18L is a linear conductive plastic potentiometer with 50000 ohm resistance, suitable for PCB mounting. It has a temperature coefficient of 1000 ppm/°C and operates b/w 1-125 °C. Ideal for applications requiring precise resistance adjustment in compact spaces.
PVZ3K104E01R00
Murata Manufacturing
Murata Manufacturing's PVZ3K104E01R00 is a 100k ohm linear trimmer resistor with 30% tolerance. It operates at temperatures ranging from -25°C to 85°C, with a temperature coefficient of 500 ppm/°C. This surface mount variable resistor is ideal for applications requiring precise resistance adjustments in compact electronic devices.
92R1A-R22-B13L
Bourns 92R1A-R22-B13L is a 5000 ohm linear potentiometer with 3 terminals. It has a rated power dissipation of 1W and operates b/w -40 to 125 °C. Ideal for panel mount applications requiring precise resistance adjustments in a compact rectangular package.
3362U-1-253LF
Bourns 3362U-1-253LF is a CERMET trimmer resistor with 25000 ohm resistance, linear law, and 10% tolerance. It has a rated power dissipation of 0.5 W and operates b/w -55 to 125 °C. Ideal for PCB mounting applications requiring precise resistance adjustments in a compact rectangular package.
T7YB472MB40
Vishay Intertechnology T7YB472MB40 is a CERMET trimmer resistor with 4700 ohm resistance, 20% tolerance, and 0.5 W power dissipation. It is used in PCB mounting applications for temperature-sensitive circuits requiring precise resistance adjustments. Operating voltage of 48.5 V and linear law of resistance make it suitable for various electronic devices.
82MR50LF
82MR50LF by Tt Electronics Plc is a circular package variable resistor with a resistance of 50 ohm. It has a linear law of resistance and operates at temperatures ranging from -55 to 125 °C. This trimmer resistor is commonly used in PCB mount applications requiring precise voltage adjustments.
3306W-1-104
Bourns 3306W-1-104 is a CERMET trimmer resistor with 100k ohm resistance, 25% tolerance, and 0.2 W power dissipation. Ideal for PCB mounting applications, it operates b/w -25 to 100 °C with a linear resistance law. Its screw actuator allows for precise adjustments in various electronic circuits.
3266X-1-501LF
Bourns 3266X-1-501LF is a 500 ohm, 12-turn linear trimmer resistor with CERMET technology. Operating voltage of 300V, rated power dissipation of 0.25W. Ideal for precise resistance adjustments in electronic circuits requiring high precision and reliability.
5150500311
TE Connectivity's 5150500311 is a linear carbon film potentiometer with 100k ohm resistance, 3 terminals, and thumb wheel actuator. It has a tolerance of 20% and rated power dissipation of 0.2W. Ideal for applications requiring precise voltage control in through hole mounting setups.
PT10LV10105A2020
Piher Sensors And Controls Sa
PT10LV10105A2020 by Piher Sensors And Controls Sa is a 1M ohm linear carbon film trimmer resistor with 20% tolerance. It has a rated power dissipation of 0.15W and operates b/w -25°C to 70°C. Ideal for applications requiring precise resistance adjustment in through-hole mounting configurations.
PTV09A-4020U-B103
Bourns PTV09A-4020U-B103 is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 280° rotation angle. It is used in PCB mount applications for adjusting voltage levels in electronic circuits. Operating temperature ranges from -10 to 50 °C.
73JB100K
73JB100K by Honeywell Sensing And Control is a wire wound potentiometer with a resistance of 100k ohm, linear law of resistance, and 5% tolerance. It has a rated power dissipation of 2W and operates b/w -40 to 120 °C. Used in applications requiring precise control such as volume knobs in audio equipment.
3296W-1-501LF
Bourns 3296W-1-501LF is a 500 ohm, 25-turn linear cermet trimmer resistor with a tolerance of 10%. Operating voltage of 300V and power dissipation of 0.5W. Ideal for applications requiring precise resistance adjustments in electronic circuits.
PTC15LV02103A2020
PTC15LV02103A2020 by Piher Sensors And Controls Sa is a CERMET POTENTIOMETER with 10000 ohm resistance, 20% tolerance, and 0.5 W power dissipation. Ideal for PCB mount applications in environments with temperatures ranging from -40 to 90 °C.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
PTV09A-4025F-B103
Bourns PTV09A-4025F-B103 is a 10000 ohm POTENTIOMETER with 20% Tolerance, suitable for PCB Mounting. It operates b/w -10 to 50 °C and has a rated power dissipation of 0.05 W. Ideal for applications requiring precise resistance adjustment in compact spaces.
PTV09A-4020F-B104
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 100000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4225F-B103
POTENTIOMETER; Resistance: 10000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %; Height (Package): 6.8 mm;
PTV09A-4020U-B104
PTV09A-2015U-B103
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4015U-B103
PTV09A-4020F-A203
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 20000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4225F-B102
POTENTIOMETER; Resistance: 1000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %; Package Style (Meter): PCB Mount;
PTV09A-8025U-B103
POTENTIOMETER; Terminal Finish: TIN; JESD-609 Code: e3;
PTV09A-4020S-A104
PTV09A-4020S-A105
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 1000000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4020S-A503
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 50000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4020S-B103
PTV09A-4020S-B104
PTV09A-4020S-B105
Bourns PTV09A-4020S-B105 is a linear carbon potentiometer with 1000000 ohm resistance, 20% tolerance, and 280° rotation angle. It is used in applications requiring precise voltage control on PCBs due to its flat terminal shape and shaft actuator type. Operating temperature ranges from -10 to 50 °C.
PTV09A-2020F-B502
POTENTIOMETER; Mounting Type: PCB MOUNT; Resistance: 5000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-2020F-B104
PTV09A-2025F-B103
POTENTIOMETER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 50 Cel; Tolerance: 20 %;
PTV09A-4020F-A105
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