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.
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DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
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Reed Relays HE721A1220 attributes and parameters. Explore more Reed Relays devices from Littelfuse
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HE721A1220 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
PCN Packaging - Reed Relay Packaging 05/Apr/2019
Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.
LL4148
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
DS18B20+
Analog Devices
DS18B20+ by Analog Devices is a 12-bit temperature sensor with 3.3/5V supply, -55 to 125°C range, and ±0.50°C accuracy. It features a 1-Wire interface for digital output and is commonly used in applications requiring precise temperature monitoring in various industries.
1N4148
Sinyork
RECTIFIER DIODE; Surface Mount: NO; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Output Current: .15 A; Maximum Repetitive Peak Reverse Voltage: 100 V; No. of Phases: 1;
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.
1N4148WS
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Wuxi Xuyang Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
FT232RL-REEL
FTDI
FTDI's FT232RL-REEL is a bus controller with 28 terminals, operating at 3.3V to 5.25V. It supports USB, VBUS, and UART buses with a data transfer rate of 60MBps. Ideal for industrial applications due to its CMOS technology and compatibility with RS232, RS422, and RS485 standards.
Multicomp Pro
FDN5618P
Onsemi
FDN5618P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage. It features a single configuration with built-in diode, suitable for switching applications. With 10A IDM and 0.17 ohm RDS(on), it operates in the temperature range of -55 to 150 °C, making it ideal for various electronic devices.
MC33269T-3.3G
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.
BAV99
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
EPCS4SI8N
Altera
CONFIGURATION MEMORY; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Parallel or Serial: SERIAL;
ULN2803ADWRG4
Texas Instruments
ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
2N2222A
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM358AN
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
M39029/58-360
CONNECTOR ACCESSORY; Alternate Contact Sources: MILITARY; Removal Tool Sources: MILITARY; Material: COPPER ALLOY; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354;
LL4148-GS08
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
SMBJ18CA
Synsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Transys Electronics
SS14
Panjit International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
7143-12-1000
Coto Technology
Coto Technology's 7143-12-1000 Reed Relay features 3PDT function, 2ms operate time, and hermetically sealed sealing. Ideal for applications requiring high insulation resistance, such as in AC/DC contact supply types with a max contact rating of 0.25A@150VAC.
HE3621A1200
Hamlin Electronics Europe
3303172171
Standex-meder Electronics
3303172171 by Standex-Meder Electronics is a SPST Reed Relay with 0.7ms operate time and waterproof sealing. Ideal for AC/DC applications, it has a max contact rating of 0.5A@200VAC/DC and operates at temperatures ranging from -20 to 70°C.
MSS41A12
Comus International
MSS41A12 by Comus Int. is a SPST reed relay with 1.75ms operate time and 500000000 cycle electrical life. Ideal for applications requiring momentary relay action, it has a compact size of 19mm x 6.8mm x 7.4mm and operates at temperatures ranging from -38 to 75 °C.
HE721C2410
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
DAT71210F
Cynergy3 Components
DAT71210F by Cynergy3 Components is a SPST Reed Relay with 1 FORM A, MBB relay action. It has an operate time of 3ms and electrical life of 1B cycles. With a coil resistance of 150 ohm and max contact DC rating of 2A@7000VDC, it's ideal for AC/DC applications requiring reliable switching control in compact spaces.
JWD-172-4
TE Connectivity
TE Connectivity's JWD-172-4 Reed Relay offers SPDT function, 2 FORM A form, and 1.5ms operate time. With a max DC power rating of 3W@10VDC, it is ideal for applications requiring momentary relay action in various industries.
7102-24-1100
The Coto Technology 7102-24-1100 is a DPST Reed Relay with 2 FORM A configuration, operating at 1ms. With a hermetically sealed body and MBB relay action, it offers high insulation resistance of 1TΩ. Ideal for applications requiring reliable switching in harsh environments.
2911-12-321
The Coto Technology 2911-12-321 is a SPDT Reed Relay with 1 FORM C configuration, operating at 12V. It has a max contact DC power rating of 3W@150VDC and an operate time of 1ms. This hermetically sealed relay is ideal for applications requiring momentary relay action in environments with temperatures ranging from -20°C to 85°C.
SIL05-1A72-71LHR
SIL05-1A72-71LHR by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 0.7ms operate time and 1000000000 cycle electrical life. It has MBB relay action, 5V nominal coil voltage, and is ideal for AC/DC contact or output supply applications.
HE721B0530
Littelfuse
JWD-171-25
TE Connectivity's JWD-171-25 Reed Relay, DPST form with 2 FORM A, operates in 1.5ms. It has a max contact DC power rating of 10W@20VDC and insulation resistance of 100M ohm. Ideal for applications requiring momentary relay action with high electrical life and compact dimensions at 19.56mm x 7.62mm x 8mm.
7101-05-1110
Coto Technology's 7101-05-1110 Reed Relay has SPST function, 1 FORM A form, and operates in 1 ms. With a hermetically sealed body and MBB relay action, it is ideal for applications requiring fast response times and high electrical life cycles.
HE721C0500
HE72-1-C-24-50
1393771-6
TE Connectivity 1393771-6 is a SPST Reed Relay with 1 FORM A, operate time of 1.5ms, and insulation resistance of 10^10 ohm. Ideal for applications requiring momentary relay action in environments with temperatures ranging from -35 to 85°C.
JWD-171-24
TE Connectivity's JWD-171-24 Reed Relay features DPST function, 2 FORM A form, and 1.5ms operate time. With a max DC power rating of 10W@20VDC, it is ideal for applications requiring momentary relay action in electronic circuits. The relay offers high insulation resistance of 100M ohm and operates at temperatures ranging from -35 to 85 °C.
HE72-1-A-05-50
HE721C1230
HE721E1210
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HE721C0510
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; DC Coil Operate Voltage: 3.75 V;
HE721C0510 by Littelfuse is a SPDT Reed Relay with 3ms operate time, 10000000000 ohm insulation resistance, and 7.22mm body width. Ideal for applications requiring momentary relay action in environments with temperatures ranging from -40 to 85 °C.
HE721A1200
HE721A1200 by Littelfuse is a 1 FORM A SPST Reed Relay with 10W@200VDC power rating. With 1ms operate time, it's hermetically sealed and ideal for AC/DC supply applications. Featuring 12V nominal coil voltage, it offers high insulation resistance of 10000000000 ohm and dielectric strength up to 500 Vrms.
HE721A0500
HE721A0510
HE721C2400
HE721C1210
HE721C1210 by Littelfuse is a SPDT 1 FORM C reed relay with 3ms operate time. With hermetically sealed body, it has 12V nominal coil voltage and operates at -40 to 85°C. Ideal for applications requiring momentary relay action in DC circuits up to 175V.
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Current: .25 A;
HE721A2410
HE721A2410 by Littelfuse is a SPST Reed Relay with 1 FORM A, operate time of 1 ms, and insulation resistance of 10^10 ohm. It is hermetically sealed, ideal for applications requiring momentary relay action in electronics with DC supply up to 200V and coil voltage of 24V.
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Operating Temperature: 85 Cel;
HE721A1230
HE721A0540
Supply Digital Components
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