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 3306K-1-503 is a CERMET trimmer resistor with 50k ohm resistance, 25% tolerance, and 0.2W power dissipation. It operates b/w -25°C to 100°C, suitable for PCB mounting applications requiring precise resistance adjustments in a compact rectangular package. The linear law of resistance and screw actuator make it ideal for fine-tuning circuits with a wide operating voltage range up to 100V.
Median Price
$0.490
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
DigiKey
1+ parts
100+ parts
$0.360
1k+ parts
$0.283
10k+ parts
$0.248
Mouser Electronics
$0.323
Electro Sonic
$0.301
$0.274
-
$0.192
IBS Electronics
$0.380
$0.346
$0.243
Bristol Electronics
$0.750
$0.375
$0.263
VNN
Vyrian
Nova Conductors
Corohmni
$0.053
Aztec Data Supply Inc.
$0.420
QUARKTWIN TECHNOLOGY LTD
Metaverse IC Inc.
Continental Prestige Electronics
Argo Parts USA
Bastille Electronics
Suitable for most general-purpose applications, ensuring product reliability under normal operating conditions.
High resistance value allows for precise adjustment of electrical circuits, providing accuracy in control and measurement.
Capable of handling moderate voltage levels, making it versatile for a variety of applications.
Provides a wide tolerance range, accommodating for variations in circuit conditions and ensuring flexibility in usage.
With a low temperature coefficient, the resistor maintains stable resistance values over a wide temperature range, enhancing overall performance.
Variable Resistors 3306K-1-503 attributes and parameters. Explore more Variable Resistors devices from Bourns
Orientation (Actuator):
Type (Actuator):
Construction:
Ganging Number:
JESD-609 Code:
Mounting Type:
No. of Terminals:
No. of Turns:
Maximum Operating Temperature:
Minimum Operating Temperature:
Height (Package):
Length (Package):
Shape (Package):
Package Style (Meter):
Width (Package):
Packing Method:
Rated Power Dissipation (P):
Rated Temperature:
Resistance:
Law Of Resistance:
Resistor Type:
Angle Of Rotation:
Technology:
Temperature Coef (ppm/Cel):
Terminal Finish:
Terminal Shape:
Tolerance:
Operating Voltage:
3306K-1-503 Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.50
SB
8533.40.00.80
PCN Design/Specification - Mult Series Material 14/Apr/2022
PCN Assembly/Origin - TC33,3306 Manufacturing Location Sep/2017
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.
ATMEGA328P-AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 32; Package Code: TQFP; Package Shape: SQUARE;
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Digitron Semiconductors
AT90CAN128-16AUR
Microchip Technology
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
2N2222A
Microsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 30; No. of Elements: 1;
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LM358MX
Texas Instruments
LM358MX by Texas Instruments is a dual operational amplifier with a max input offset voltage of 9000 uV. It has a nominal voltage of 5V and a min voltage gain of 15000. This op amp is commonly used in applications requiring amplification and signal conditioning.
Bkc Semiconductors
LM358ADR
LM358ADR by Texas Instruments is an operational amplifier with 2 functions, featuring a max input offset voltage of 5000 uV and nominal voltage of 5V. Widely used in applications requiring high voltage gain, it operates within a temperature range of 0-70°C and offers frequency compensation for stability.
MBR0530T1G
Onsemi
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.
LM358DT
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
EU2B-YS303C
Idec
ROTARY SWITCH;
KSZ9031RNXIC
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
LL4148
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LL4148GS08
Temic Semiconductors
LL4148GS08 by Temic Semiconductors is a glass diode with a max reverse recovery time of 0.008 us and max forward voltage of 1 V. It is a rectifier diode with a max output current of 0.15 A, ideal for applications requiring fast switching speeds and low power dissipation in electronic circuits.
Micronas Semiconductor Holding Ag
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Output Current: .2 A; Maximum Forward Voltage (VF): 1.2 V;
1N4148WT
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM107H/883
LM107H/883 by Texas Instruments is a MIL-STD-883 compliant operational amplifier with 3000uV max input offset voltage, 80dB common mode reject ratio, and 250kHz unity gain bandwidth. Ideal for military applications due to its -55 to 125 °C operating temperature range and robust metal package body material.
M24308/2-1F
TE Connectivity
TE Connectivity's M24308/2-1F D-Sub Connector features 9 contacts, 2 rows, and a shell size of 1/E. With a rated current of 7.5A, it operates b/w -55°C to 125°C. Ideal for cable mounting applications, this connector has a steel shell with cadmium finish and uses crimp termination for female contact pins.
Vishay Telefunken
23BR20KLFTR
Tt Electronics Plc
23BR20KLFTR by Tt Electronics Plc is a 20000 ohm linear trimmer resistor with CERMET technology. It operates b/w -55 to 125 °C, has a tolerance of 20%, and can handle up to 200 V. Ideal for surface mount applications requiring precise resistance adjustments in electronic circuits.
P272-DS32R5K
P272-DS32R5K by Tt Electronics Plc is a 5000 ohm linear potentiometer with 6 terminals and 10% tolerance. It operates b/w -55°C to 120°C, suitable for panel mount applications. Featuring conductive plastic technology, it has a rated power dissipation of 2W and ganging number of 2, making it ideal for precise resistance control in various electronic devices.
249BBHS0XB25103KA
Vishay Intertechnology
Vishay Intertechnology's 249BBHS0XB25103KA is a CERMET POTENTIOMETER with 10000 ohm resistance, 10% tolerance, and 0.5 W power dissipation. Ideal for PCB mount applications, it operates b/w -55 to 125 °C with a max voltage of 70.7 V and offers a rotation angle of 265°.
3386P-1-201LF
Bourns
Bourns 3386P-1-201LF is a CERMET trimmer resistor with 200 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.
TC33X-1-504E
Bourns TC33X-1-504E is a linear trimmer resistor with 500k ohm resistance, 25% tolerance, and 270° rotation angle. Ideal for surface mount applications in electronics requiring precise voltage adjustments within -40°C to 100°C temperature range. Its compact rectangular package with vertical actuator suits space-constrained designs.
M63M203KB30T607
Vishay Intertechnology's M63M203KB30T607 is a CERMET TRIMMER resistor with 10% tolerance, rated at 0.5W power dissipation. It operates b/w -55 to 125 °C and has a linear resistance law. Ideal for PCB mounting applications due to its vertical orientation and flat terminal shape.
3314G-1-502E
Bourns 3314G-1-502E is a CERMET variable resistor with 5000 ohm resistance, 20% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating voltage of 300 V.
534B1502JC
Vishay Intertechnology's 534B1502JC is a 5000 ohm linear wire wound potentiometer with 10 turns and 3 terminals. Operating voltage of 100 V, rated power dissipation of 2 W, and temperature coefficient of 20 ppm/°C make it ideal for precise control applications in various electronic devices. Its panel mount package style and gold terminal finish with nickel barrier ensure durability in environments ranging from -55 to 125 °C.
PTL60-10G1-103B2
The Bourns PTL60-10G1-103B2 is a linear carbon potentiometer with a resistance of 10000 ohm. It has a rated temperature of 70°C and can be mounted through hole. This variable resistor is commonly used in PCB applications for precise voltage control.
3266W-1-504LF
Bourns 3266W-1-504LF is a CERMET trimmer resistor with 12 turns, 500000 ohm resistance, and linear law. Ideal for applications requiring precise resistance adjustments in circuits with operating voltage up to 300V. With a temperature range of -55 to 150 °C, it's suitable for various electronic devices.
67WR500LFTB
67WR500LFTB by Tt Electronics Plc is a CERMET variable resistor with 20 turns, linear resistance law, and 85°C rated temperature. It is used in PCB mount applications for adjusting voltage with a tolerance of 10% and max operating temperature of 125°C.
PA16NM103MAB15
Vishay Intertechnology's PA16NM103MAB15 is a 10000 ohm linear potentiometer with 3 terminals. It has a max operating temperature of 125 °C and tolerance of 20%. Ideal for panel mount applications, this circular package resistor features a knob actuator and sealed construction.
91A1A-B28-A13L
The Bourns 91A1A-B28-A13L is a CERMET POTENTIOMETER with 5000 ohm resistance, 10% tolerance, and 2W power dissipation. It has a linear law of resistance and operates b/w -40°C to 125°C. Ideal for panel mount applications requiring precise voltage or current control.
CCU1031-E
Ohmite Manufacturing
The Ohmite Manufacturing CCU1031-E is a 10000 ohm linear potentiometer with 6 lug terminals. It has a rated power dissipation of 2W and operates b/w -55°C to 120°C. Ideal for panel mounting applications, this circular package resistor features a horizontal actuator shaft and is commonly used in electronic circuits requiring precise resistance adjustments.
RV4LAYSA102A
Clarostat Sensors And Controls
POTENTIOMETER; Mounting Type: PANEL MOUNT; Resistance: 1000 ohm; Rated Power Dissipation (P): 2 W; Maximum Operating Temperature: 120 Cel; Tolerance: 10 %;
T93YA103KT20
Vishay Sfernice
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .5 W; Maximum Operating Temperature: 155 Cel; Tolerance: 10 %;
3223W-1-502E
Bourns 3223W-1-502E is a linear trimmer resistor with 11 turns and 5000 ohm resistance. It operates b/w -65 to 150 °C, suitable for applications requiring precise resistance adjustments in compact SMT packages. With a power dissipation of 0.125 W and voltage rating of 200 V, it is ideal for surface mount designs needing high precision.
PE30L0FL223KAB
Vishay Intertechnology's PE30L0FL223KAB is a 3W POTENTIOMETER with linear resistance law, CERMET technology, and 10% tolerance. It operates b/w -55 to 125 °C and has an operating voltage of 257.7 V. Ideal for applications requiring precise resistance adjustment in electronic circuits.
3224X-1-204E
Bourns 3224X-1-204E is a linear trimmer pot with 12 turns and resistance of 200k ohm. It has a temperature coefficient of 100 ppm/°C and operates b/w -65 to 150 °C. Ideal for applications requiring precise resistance adjustments in compact SMT packages.
72PMR50LFTB
72PMR50LFTB by Tt Electronics Plc is a CERMET variable resistor with linear resistance law, suitable for PCB mounting. With a max operating temperature of 125°C and voltage rating of 200V, it offers precise adjustment in applications requiring a resistance range from -55°C to 125°C. Its compact design with through-hole mounting makes it ideal for electronic circuits where accurate resistance control is essential.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
3306P-1-103
Bourns 3306P-1-103 is a CERMET trimmer resistor with 10000 ohm resistance, 25% tolerance, and 0.2 W power dissipation. It is used in PCB mount applications for voltage control with an operating range of -25 to 100 °C.
3306W-1-103
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306P-1-203
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 20000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-102
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 1000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-104
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 100000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-105
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 1000000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-202
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 2000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-203
3306W-1-501
Bourns 3306W-1-501 is a CERMET trimmer resistor with 500 ohm resistance, linear law, and 25% tolerance. It operates b/w -25 to 100 °C and has a rated power dissipation of 0.2 W. Ideal for PCB mount applications requiring precise resistance adjustments in electronic circuits.
3306W-1-502
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 5000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306W-1-503
Bourns 3306W-1-503 is a CERMET trimmer resistor with 50000 ohm resistance, 25% tolerance, and 0.2 W power dissipation. It is used in PCB mounting applications for temperature-sensitive circuits requiring precise resistance adjustments up to 215° rotation angle.
3306W-1-504
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 500000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306P-1-502
3306F-1-103
3306F-1-102
3306F-1-503
Bourns 3306F-1-503 is a CERMET trimmer resistor with 50k ohm resistance, 25% tolerance, and 0.2W power dissipation. It is used in PCB mounting applications for voltage control circuits due to its linear resistance law and 215° rotation angle.
3306F-1-204
Bourns 3306F-1-204 is a CERMET trimmer resistor with 200k ohm resistance, linear law, and 25% tolerance. Ideal for PCB mounting applications, it operates b/w -25°C to 100°C with a power dissipation of 0.2W. Its screw actuator allows for precise adjustments in various electronic circuits.
3306P-1-503
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 50000 ohm; Rated Power Dissipation (P): .2 W; Maximum Operating Temperature: 100 Cel; Tolerance: 25 %;
3306P-1-504
3306K-1-504
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