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
The Weidmueller & Kg 1640520000 is a BOARD CONNECTOR with 10 contacts, UL 94V-0 rated. It features SCREW termination and MALE gender for CABLE mounting applications. Ideal for use in various electronic devices requiring reliable plug connections.
Median Price
-
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
VNN
Nova Conductors
AZTECH Wire
$9.789
Bastille Electronics
This type of connector provides a secure and stable connection, ensuring reliable performance.
The UL 94V-0 rating indicates that this product has high fire resistance, making it safe to use in various applications.
With 10 contacts, this connector can support multiple connections, allowing for versatility in use.
The cable mounting type offers flexibility in installation and allows for easy connection to various devices.
The screw termination type provides a secure and stable connection, ensuring minimal signal loss and optimal performance.
The male contact gender ensures compatibility with female connectors, making it easy to connect to other devices.
The plug style body or shell design makes it easy to insert and remove the connector, simplifying installation and maintenance.
Headers & Edge Type Connectors 1640520000 attributes and parameters. Explore more Headers & Edge Type Connectors devices from Weidmueller & Kg
Body or Shell Style:
Connector Type:
Mating Contact Finish:
Contact Gender:
Contact Material:
DIN Conformance:
Filter Feature:
IEC Conformity:
MIL Conformity:
Mating Info.:
Mixed Contacts:
Mounting Type:
No. of Rows Loaded:
Option:
Termination Type:
Total No. of Contacts:
UL Flammability Code:
1640520000 Connectors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.69.40.40
SB
Be it automobile manufacturing, electricity production or water management - hardly any of today’s industries can do without electronics and electrical connectivity. In this internationalised, technologically changing world, the complexity of requirements is rapidly increasing due to the emergence of new markets. New, more varied challenges have to be overcome, and the solutions to them will not be found in high-tech products alone. Connectivity is the key, whether it involves power, signals and data, demands and solutions or theory and practice. Industrial Connectivity needs connections. And that’s precisely what we stand for.
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Bharat Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
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.
AT90CAN128-16AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
2N7002
Onsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Finish: Matte Tin (Sn) - annealed; Transistor Element Material: SILICON;
SDR0604-101KL
Bourns
SDR0604-101KL by Bourns is a surface mount fixed inductor with a nominal inductance of 100 uH. It is a general purpose inductor suitable for power applications, with a max rated current of 0.52 A and a self-resonance frequency of 9 MHz.
LL4148-GS08
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
Protek Devices
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
CRG0805F10R
Tyco Electronics Components
FIXED RESISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 1 %;
Telefunken Microelectronics
RECTIFIER DIODE; Surface Mount: YES; JESD-609 Code: e0; No. of Elements: 1; Maximum Operating Temperature: 175 Cel; Maximum Non Repetitive Peak Forward Current: 2 A;
43025-0400
Molex
The Molex 43025-0400 is a board connector with 4 contacts, 2 rows, and a mating contact pitch of 0.118". It has a body length of 0.27", insulation resistance of 1Gohm, and operates b/w -40 to 105°C. Ideal for commercial applications requiring a female connector with crimp termination and UL94V-0 flammability rating.
Digitron Semiconductors
MBR0520LT1
MBR0520LT1 by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring low power consumption in compact electronic devices. This single-configured diode is surface mountable and has a max repetitive peak reverse voltage of 20V, ideal for small outline package designs.
Meritek Electronics
2N7002-7-F
SPC TECHNOLOGY/ MULTICOMP
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Form: GULL WING; Package Shape: RECTANGULAR;
1N4148
Sun Wai Electronic
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Recovery Time: .004 us; Maximum Repetitive Peak Reverse Voltage: 100 V;
BAV99
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
MMBT2222ALT1G
MMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, max power dissipation of 0.3W, and hFE of 75. Ideal for switching applications, it operates b/w -55 to 150 °C with a max collector-emitter voltage of 40V. This surface-mount device has a transition frequency of 300MHz and turn-on time of 35ns.
Boca Semiconductor
XHP-8
J S T Mfg
XHP-8 by J S T Mfg is an 8-contact BOARD CONNECTOR with 94V-0 UL Flammability Code. It features FEMALE contacts, CABLE mounting, and CRIMP termination. Ideal for applications requiring reliable edge-type connectors in receptacle form factor.
5009010801
Molex 5009010801 PCB Connector features mating contact pitch of 0.043", insulation resistance of 1000000000 ohm, and dielectric voltage of 500VAC. Ideal for board mounting with liquid crystal polymer insulator, it is used in commercial applications requiring durable male connectors with right-angle mounting.
PHR-3
PHR-3 by J S T Mfg is a 3-contact BOARD CONNECTOR with POLYAMIDE66 insulator. It has 0.079" contact pitch, 800VAC dielectric voltage, and -25 to 85 °C operating temp range. Ideal for CABLE mounting, it features FEMALE contacts with 20 mohm resistance and 0.019" min insulation diameter.
826631-4
TE Connectivity 826631-4 is a board connector with mating contact pitch of 0.1". It has insulation resistance of 5G ohm, operating temperature range from -65 to 105°C, and rated current of 5A. This male connector with right angle mounting is suitable for commercial applications requiring reliable signal transmission.
104257-1
TE Connectivity 104257-1 is a board connector with 0.1" pitch, suitable for commercial applications. It features a dielectric voltage of 600VAC, insulation resistance of 5G ohm, and operating temperature range from -65 to 105°C. Ideal for cable mounting with crimp/IDC termination, this female connector has a total of 2 contacts and UL94V-0 flammability rating.
SHR-06V-S-B
SHR-06V-S-B by J S T Mfg is a 6-contact BOARD CONNECTOR with 0.039" pitch, suitable for cables with 0.015" min insulation diameter. With UL 94V-0 rating and 500VAC dielectric voltage, it's ideal for applications requiring high insulation resistance up to 100000000 ohm. The FEMALE connector has a rated current of 1A and operates b/w -25°C to +85°C temperature range.
518-64-2
W+p Products
518-64-2 by W+p Products is a BOARD CONNECTOR with 64 contacts, rated at 1A signal current. Featuring POLYETHYLENE insulation material, it has a dielectric voltage of 800VAC and operates b/w -25 to 85°C. Ideal for cable mounting applications requiring a crimp termination type with female contact gender.
B2B-XH-A-E(LF)(SN)
B2B-XH-A-E(LF)(SN) by J S T Mfg is a BOARD CONNECTOR with 0.098" mating contact pitch, 1000000000 ohm insulation resistance, and 1000VAC dielectric voltage. Ideal for commercial applications, this connector has a rated current of 3A and operates b/w -25 to 85 °C temperatures.
DF3A-2P-2DSA
Hirose Electric
DF3A-2P-2DSA by Hirose Electric is a board connector with 0.079" mating contact pitch, 650VAC dielectric voltage, and 1000000000 ohm insulation resistance. Ideal for commercial applications, it features a solder termination type and operates b/w -30 to 85 °C temperatures.
1057
Keystone Electronics
PCB CONNECTOR; Contact Material: NOT SPECIFIED; Mating Contact Finish: NOT SPECIFIED;
B6B-XH-AM(LF)(SN)
B6B-XH-AM(LF)(SN) by J S T Mfg is a 6-contact male board connector with brass contacts and tin termination finish. It has a terminal pitch of 2.5mm, suitable for straight mounting on boards. Ideal for applications requiring reliable connections in headers & edge type connectors.
FH12-11S-1SH(55)
FH12-11S-1SH(55) by Hirose Electric is a FFC/FPC connector with 11 contacts, gold termination finish, and 0.039" mating contact pitch. It has a temperature range of -40 to 85°C and insulation resistance of 500M ohm. Ideal for board mounting applications requiring a durable, right-angle female connector with ZIF termination.
DTM06-2S-E007
TE Connectivity DTM06-2S-E007 is a 1.47" x 0.569" x 0.508" board connector with GLASS FILLED POLYAMIDE insulator, rated for 250V and 125°C. It has 2 contacts, UL 94V-0 flammability code, and supports up to 7.5A signal current. Ideal for cable mounting applications requiring polarized housing and strain relief.
ZHR-5
ZHR-5 by J S T Mfg is a BOARD CONNECTOR with 5 contacts, UL 94V-0 rated. It features FEMALE contacts for CABLE mounting with CRIMP termination. Ideal for applications requiring reliable edge type connectors in RECEPTACLE style.
61201021621
Wuerth Elektronik & Kg
61201021621 by Wurth Elektronik is a board connector with 10 contacts, gold finish, and 3A signal current rating. It features a mating contact pitch of 0.1", insulation resistance of 1Gohm, and operates b/w -40 to 125°C. Ideal for commercial applications requiring reliable connections on PCBs with rectangular contact patterns.
3674
Lumberg Connect
3674 by Lumberg Connect is a BOARD CONNECTOR with 25 contacts, Tin (Sn) finish. It has a Terminal Pitch of 5mm and UL Flammability Code of 94V-0. Ideal for applications requiring RIGHT ANGLE mounting in Headers & Edge Type Connectors.
ADM6-60-01.5-L-4-2-A
Samtec
BOARD STACKING CONNECTOR; Termination Contact Finish: MATTE TIN OVER NICKEL; JESD-609 Code: e3;
TCMD-08-01
Samtec's TCMD-08-01 is a 2-row board connector with 16 contacts made of phosphor bronze. It has a terminal pitch of 2mm and supports IDC/solder termination. Ideal for applications requiring male contact gender, straight mounting style, and compatibility with both board and cable mounting types.
09-50-3041
Molex 09-50-3041 is a board connector with 0.156" mating pitch, 0.62"x.25"x.625" body dimensions, and POLYAMIDE insulator material. It has 4 contacts, FEMALE gender, PLUG shell style, and CRIMP termination type for CABLE mounting applications in commercial settings.
1-1123723-2
TE Connectivity 1-1123723-2 is a board connector with 2 contacts, rated at 8A and 250V. It features GLASS FILLED POLYBUTYLENE TEREPHTHALATE insulator material, suitable for applications requiring durability and reliability in temperatures ranging from -25 to 105 °C.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
1-640456-2
TE Connectivity 1-640456-2 is a board connector with 0.1" pitch, suitable for commercial applications. Featuring copper alloy contacts and glass-filled polyester insulator, it has a max operating temperature of 105°C. With a total of 12 contacts, this male plug connector is polarized and rated for 5A signal current.
1-640456-4
TE Connectivity 1-640456-4 is a board connector with 14 contacts, 0.1" pitch, and tin finish. It has a body size of 1.4"x0.425"x0.225" and operates b/w -55°C to 105°C. Ideal for commercial applications requiring a polarized, rectangular contact pattern with a rated current of 5A.
1-640456-3
TE Connectivity 1-640456-3 is a board connector with 13 contacts, 0.1" pitch, and 5A signal current rating. It features tin finish, glass-filled polyester insulator, and operates b/w -55 to 105°C. Ideal for commercial applications requiring reliable connections on PCBs.
1-640456-6
TE Connectivity 1-640456-6 is a board connector with 16 contacts, 0.1" pitch, and 5A signal rating. It features tin finish, glass-filled polyester insulator, and operates b/w -55 to 105°C. Ideal for commercial applications requiring reliable male connectors on PCBs.
1-640250-5
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: FEMALE; No. of Connectors: ONE; Mounting Option-2: LOCKING;
1-640456-5
TE Connectivity 1-640456-5 is a 15-contact board connector with 0.1" pitch, TIN finish, and UL94V-0 flammability rating. Ideal for commercial applications, it features a 5A signal current rating and operates b/w -55°C to 105°C temperature range.
1-640456-8
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Mounting Style: STRAIGHT;
1-640457-2
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Maximum Insertion Force (N): 8.896;
1-640456-0
TE Connectivity 1-640456-0 is a board connector with 10 contacts, 0.1" pitch, and TIN finish. Ideal for commercial applications, it has a temperature range of -55 to 105°C and rated current of 5A for signal transmission. The male connector features a polarized key and solder termination for secure mounting on PCBs.
1-640445-3
TE Connectivity 1-640445-3 is a board connector with 13 contacts, 0.156" pitch, and 7A signal rating. Ideal for commercial applications, it features a polarized housing, polyester insulator, and tin contact finish for reliable performance in temperatures ranging from -55 to 105°C.
1-640454-2
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Panel Mount: NO;
1-640457-4
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Rated Current - Signal: 5 A;
1-640454-3
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Minimum Operating Temperature: -55 Cel;
1-640452-2
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Contact Material: NOT SPECIFIED;
1-640456-7
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Terminal Pitch (mm): 2.54;
1-640445-8
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Plating Thickness (inch): 100u;
1-640456-1
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Additional Features: POLARIZED;
1-640445-6
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; No. of Connectors: ONE; Mounting Option-1: LOCKING;
1-640457-3
1-640250-3
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: FEMALE; No. of Connectors: ONE; Maximum Operating Temperature (Cel): 105;
Weidmueller & Kg
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