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
M20-9990206 by Harwin PLC is a board connector with 0.1" mating contact pitch, 1000000000000 ohm insulation resistance, and 750VAC dielectric voltage. It is ideal for applications requiring a durable, high-temperature resistant male receptacle connector with solder termination and 3A signal current rating.
Median Price
-
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
< 1k
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Nova Conductors
EMSNET
Corohmni
$1.471
Advanced Electronics
$2.107
$2.002
Aztec Data Supply Inc.
$2.950
Semicontronic
$12.500
$12.188
$12.125
AZTECH Wire
$15.469
Argo Parts USA
Perfect Parts
Cyclops Electronics Ltd (Excess)
Continental Prestige Electronics
Bastille Electronics
Modulus Dynamics
Robosynatics
Lucentia Tech
$8.767
The small mating contact pitch of 0.1 inch allows for a compact design and efficient use of space on the board.
High insulation resistance ensures minimal leakage of current and signal integrity, making it suitable for reliable connections.
With a high dielectric voltage rating of 750VAC, this connector can withstand voltage fluctuations and ensure safety during operations.
The high maximum operating temperature of 105 °C allows for reliable performance in various environmental conditions.
Designed specifically as a board connector, this product ensures a secure and stable connection on the PCB.
With a rated current of 3A for signal transmission, this connector can handle moderate current loads effectively.
The 50 cycles durability ensures longevity and repeated use without degradation in performance.
The board mounting type simplifies installation and ensures a secure connection to the PCB.
Low contact resistance of 15 mohm ensures minimal signal loss and reliable data transmission.
Being rated for commercial reliability standards ensures that this product meets industry requirements for performance and longevity.
Headers & Edge Type Connectors M20-9990206 attributes and parameters. Explore more Headers & Edge Type Connectors devices from Harwin PLC
Additional Features:
Body Width:
Body Depth:
Body Length:
Body or Shell Style:
Connector Type:
Mating Contact Finish:
Termination Contact Finish:
Contact Gender:
Contact Material:
Contact Pattern:
Contact Resistance:
Contact Style:
DIN Conformance:
Dielectric Withstanding Voltage (V):
Durability:
Filter Feature:
IEC Conformity:
Maximum Insertion Force (N):
Insulation Resistance:
JESD-609 Code:
MIL Conformity:
Mating Contact Pitch (inch):
Mating Info.:
Mixed Contacts:
Mounting Style:
Mounting Type:
No. of Connectors:
No. of PCB Rows:
No. of Rows Loaded:
Maximum Operating Temperature (Cel):
Minimum Operating Temperature:
Option:
PCB Contact Pattern:
Rated Current - Signal:
Reliability:
Sub-Category:
Terminal Length:
Terminal Pitch (mm):
Termination Type:
Total No. of Contacts:
UL Flammability Code:
Minimum Withdrawal Force (N):
M20-9990206 Connectors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.69.40.40
SB
Harwin is a world-leading specialist in reliable and high-performance technologies for demanding applications. Through innovation, advanced technologies, service and inspiration we help customers to realize competitive advantage by solving demanding connectivity challenges. Harwin aim to be the first-choice supplier of mission-critical and high-performance connectivity solutions. We keep investing in the latest computer aided design and engineering facilities to drive advancements and retain our position as the industry’s innovators. We also replace equipment on a five-year cycle.
2N2222A
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
MC33269T-3.3G
Onsemi
MC33269T-3.3G by Onsemi is a fixed positive single output LDO regulator with a max output current of 0.8 A and a dropout voltage of 1.35 V. It is commonly used in applications that require stable voltage regulation, such as power supplies for electronic devices.
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications due to its rectangular package shape and wraparound terminals.
1N4148
Hitachi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Hy Electronic
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Continental Device India
SMBJ18CA
Yageo
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Nte Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Terminal Form: WIRE;
International Devices
BSS138NH6327XTSA2
Infineon Technologies
BSS138NH6327XTSA2 by Infineon is a N-CHANNEL FET with 60V DS Breakdown Voltage, ideal for small signal applications. Operating in Enhancement Mode, it has 0.36W Power Dissipation and 3.5 ohm Drain-Source Resistance. With Gull Wing terminals and AEC-Q101 reference standard, it's suitable for automotive electronics due to its high temperature range of -55 to 150 °C.
Raytheon Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Minimum DC Current Gain (hFE): 100; Maximum Turn On Time (ton): 35 ns;
BAV99
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LD1117S33CTR
STMicroelectronics
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
OPA2227UA
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
STM32H753IIK6
STM32H753IIK6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and peripherals like CAN, ETHERNET, and USB. Ideal for industrial applications requiring high-speed processing and extensive connectivity options.
Bkc Semiconductors
Weitron Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Output Current: .215 A; JESD-609 Code: e0; Maximum Forward Voltage (VF): .715 V;
Promax-johnton
2-640456-6
Tyco Electronics Amp
BOARD CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: MALE; Additional Features: POLARIZED; Termination Type: SOLDER; Mating Contact Finish: TIN;
851-43-025-10-021000
Mill-max Mfg
BOARD CONNECTOR; Contact Material: NOT SPECIFIED; Mating Contact Finish: NOT SPECIFIED;
BM04B-SRSS-TBT(LF)(SN)
J S T Mfg
BM04B-SRSS-TBT(LF)(SN) by J S T Mfg is a 4-contact BOARD CONNECTOR with TIN finish. It features COPPER ALLOY contacts, UL 94V-0 flammability rating, and SURFACE MOUNT termination. Ideal for applications requiring reliable male connectors in straight mounting style on circuit boards.
B4B-XH-A(LF)(SN)
B4B-XH-A(LF)(SN) by J S T Mfg is a BOARD CONNECTOR with 0.098" mating contact pitch, 1000000000 ohm insulation resistance, and 3A rated current. It is used for board-to-board connections in applications requiring a male contact gender, POLARIZED HOUSING polarization key, and TIN termination finish.
66506-313LF
AMPHENOL ICC
SHR-02V-S-B
SHR-02V-S-B by J S T Mfg is a BOARD CONNECTOR with 2 FEMALE contacts. It has UL 94V-0 flammability rating, suitable for CABLE mounting with CRIMP termination. Ideal for applications requiring secure and reliable electrical connections in various electronic devices.
XHP-8
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.
5650473-5
TE Connectivity
TE Connectivity 5650473-5 is a 3-row BOARD EURO CONNECTOR with 96 contacts. Featuring GLASS FILLED POLYMER insulator, it has a mating contact pitch of 0.1 inch and operates b/w -55 to 105 °C. Ideal for commercial applications requiring high insulation resistance and rated current of 1.5A.
BM06B-SRSS-TB(LF)(SN)
BM06B-SRSS-TB(LF)(SN) by J S T Mfg is a 6-contact BOARD CONNECTOR with 0.039" pitch, 100M ohm insulation resistance, and 500VAC dielectric voltage. Ideal for PCB applications requiring male SQ PIN-SKT contacts in a polarized housing with surface mount termination.
2-640456-5
BOARD CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: MALE; IEC Conformity: NO; Total No. of Contacts: 25; Mating Info.: MULTIPLE MATING PARTS AVAILABLE;
10151114-001TLF
Amphenol Communications Solutions
Amphenol's 10151114-001TLF card edge connector features a mating contact pitch of 0.02", UL flammability code of 94V-0, and total of 314 contacts. Ideal for board mounting with solder holding posts, this female connector has a durability of 50 cycles and is suitable for applications requiring a rated current signal of 1.1A.
MEM2051-00-195-00-A
Global Connector Technology
MEM2051-00-195-00-A by Global Connector Technology is a PCB connector with 0.043" contact pitch, 500VAC dielectric voltage, and 1000000000 ohm insulation resistance. Ideal for applications requiring a female right-angle compression contact style with surface mount termination.
XHP-10
XHP-10 by J S T Mfg is a 10-contact board connector with female crimp termination. It has UL 94V-0 flammability rating and is used in cable mounting applications. This receptacle connector is ideal for various electronic devices requiring secure and reliable connections.
61300611121
Wuerth Elektronik & Kg
61300611121 by Wurth Elektronik is a board connector with 6 contacts, rated for 3A signal current. Featuring gold over nickel termination finish, it has a mating contact pitch of 0.1" and insulation resistance of 1Gohm. Ideal for commercial applications, this connector operates b/w -40 to 125°C on PCBs with rectangular contact patterns.
DT04-2P-E008
TE Connectivity's DT04-2P-E008 is a 2.251" x 0.675" x 0.67" board connector with GLASS FILLED POLYAMIDE insulator, rated for 250V and 125°C. It features UL 94V-0 flammability code, polarized key, and supports up to 13A signal current. Ideal for cable mounting applications requiring a male contact gender with strain relief option.
S2B-XH-A-1(LF)(SN)
S2B-XH-A-1(LF)(SN) by J S T Mfg is a BOARD CONNECTOR with BRASS contacts and TIN finish. Featuring 2 contacts with 2.5mm pitch, it is ideal for RIGHT ANGLE mounting applications in electronics requiring UL 94V-0 flammability rating.
2-640456-4
TE Connectivity 2-640456-4 is a 24-contact board connector with 0.1" pitch, suitable for commercial applications. Featuring tin finish, it has a rated current of 5A and operates b/w -55 to 105°C. Ideal for PCBs, this male plug connector offers reliable performance with UL94V-0 flammability rating.
B4B-PH-SM4-TB(LF)(SN)
B4B-PH-SM4-TB(LF)(SN) by J S T Mfg is a 4-contact BOARD CONNECTOR with 0.079" pitch, 800VAC Dielectric Withstanding Voltage, and -25 to 85 °C operating temperature range. Ideal for PCB applications requiring high insulation resistance, TIN COPPER termination finish, and male SQ PIN-SKT contact style.
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.
503480-0600
Molex
The Molex 503480-0600 is a FFC/FPC connector with a mating contact pitch of 0.020 inch and insulation resistance of 50M ohm. It is commonly used in board mounting applications, has a max operating temperature of 85°C, and offers a durability of 10 cycles.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
M20-9990246
Harwin PLC
The Harwin PLC M20-9990246 is a board connector with 0.1" mating contact pitch, suitable for commercial applications. Featuring a 750VAC dielectric voltage, it has a 3A signal current rating and operates b/w -40 to 105°C. With POLYAMIDE insulation material and black color, this male connector offers high durability with 50 cycles lifespan.
M20-9990245
M20-9990245 by Harwin PLC is a board connector with 0.1" mating contact pitch, 3A signal current rating, and 750VAC dielectric voltage. Ideal for commercial applications, it features gold-plated contacts, polyamide insulator, and operates b/w -40°C to 105°C temperature range.
M20-9990345
The Harwin PLC M20-9990345 is a board connector with 3A signal current rating, gold-plated contacts, and 0.1" pitch. Ideal for commercial applications, it offers high durability with 300 cycles and operates b/w -40°C to 105°C temperature range.
M20-9990446
The Harwin PLC M20-9990446 is a board connector with 0.1" mating contact pitch, 3A signal current rating, and -40 to 105°C operating temperature range. It is ideal for commercial applications requiring a durable male receptacle with solder termination and UL flammability rating of 94V-0.
M20-9990346
BOARD CONNECTOR; Option: GENERAL PURPOSE; Reliability: COMMERCIAL; Contact Gender: MALE; Dielectric Withstanding Voltage (V): 750VAC; No. of Connectors: ONE;
M20-9980346
The Harwin PLC M20-9980346 is a 2-row board connector with 6 contacts, featuring Tin (Sn) finish with Nickel (Ni) barrier. With a terminal pitch of 0.635mm and UL 94V-0 flammability rating, it is ideal for solder termination in applications requiring reliable male connectors on boards.
M20-9990645
M20-9990646
M20-9980645
The Harwin PLC M20-9980645 is a 2-row, 12-contact board connector with a mating contact pitch of 0.1". Featuring gold termination finish, it has a compact body size of 0.6" x 0.2" x 0.1". Ideal for applications requiring reliable male connectors on PCBs with straight mounting style.
M20-9980446
M20-9990445
M20-9980345
The Harwin PLC M20-9980345 is a 2-row, 6-contact board connector with gold (Au) finish. Featuring a mating contact pitch of 0.1", it is ideal for applications requiring a compact design. With solder termination and UL94V-0 flammability rating, this male connector suits straight mounting on PCBs.
M20-9990546
The Harwin PLC M20-9990546 is a board connector with 0.1" mating contact pitch, suitable for applications requiring a rated current of 3A. Featuring a dielectric voltage of 750VAC and insulation resistance of 1Gohm, this male connector has a durability of 50 cycles and operates in temperatures ranging from -40 to 105°C.
M20-9990545
M20-9990845
M20-9990846
The Harwin PLC M20-9990846 is a board connector with 8 contacts, rated for 3A signal current. Featuring a mating contact pitch of 0.1", it has an insulation resistance of 1Gohm and operates b/w -40°C to 105°C. Ideal for commercial applications requiring durable connectors with solder termination and UL certification.
M20-9980546
M20-9992046
M20-9980845
M20-9980845 by Harwin PLC is a 16-contact board connector with a 0.1" mating contact pitch, suitable for applications requiring a durable and reliable connection. Featuring gold-plated contacts with nickel barrier, it offers an insulation resistance of 1Gohm and can withstand up to 750VAC. With a temperature range from -40°C to 105°C, this header connector is ideal for commercial use in various electronic devices.
M20-9990745
The Harwin PLC M20-9990745 is a board connector with 0.1" contact pitch, suitable for commercial applications. Featuring gold termination finish, it has 7 contacts and operates b/w -40°C to 105°C. With a durability of 300 cycles, this male connector offers high insulation resistance of 1Gohm and withstands up to 750VAC.
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