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: SPDT; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
Median Price
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DigiKey
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$7.327
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$6.524
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$1.830
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$2.013
Advanced Electronics
$2.860
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$2.345
iodParts Technologies Inc.
Reed Relays HE721E2400 attributes and parameters. Explore more Reed Relays devices from Littelfuse
Relay Type:
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Contact Maximum DC Rating (R Load):
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Coil Maximum DC Voltage:
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Contact Maximum AC Rating (R Load):
Contact Maximum DC Power Rating (R Load):
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Coil Maximum DC Current:
Coil DC Operate Voltage:
Coil DC Release Voltage:
Coil Power:
Coil Nominal Voltage:
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Release Time:
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Coil-Contacts Dielectric Strength:
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HE721E2400 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
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.
CRG0805F10K
TE Connectivity
TE Connectivity's CRG0805F10K is a 10000 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.125 W. Ideal for surface mount applications in various electronic circuits due to its compact size and high temperature rating.
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
Tt Electronics Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
BSS138
Vishay Intertechnology
Vishay Intertechnology's BSS138 is a N-CHANNEL FET with SINGLE configuration and ENHANCEMENT MODE operation. It features 0.35W power dissipation, METAL-OXIDE SEMICONDUCTOR tech, and 150°C max temp. Ideal for surface mount applications in various electronic circuits requiring efficient power management.
1N4148WT
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
FDV304P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Moisture Sensitivity Level (MSL): 1; Maximum Drain Current (ID): .46 A;
Itt Semiconductor
SS495ASP
Micro Switch
The Micro Switch SS495ASP is an analog circuit IC with a supply voltage range of 4.5V to 10.5V, suitable for automotive applications. Its package body material is plastic/epoxy, and it has a rectangular shape with three terminals. Operating temperature ranges from -40°C to 125°C, making it ideal for various automotive sensor and control systems.
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
1N4148WS
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Rectron
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel; Terminal Form: GULL WING;
0460-202-16141
TE Connectivity's 0460-202-16141 contact features a crimp terminal type, machined contact design, and rated AC voltage of 1500V. With a wire gauge range of 20-16 AWG, it is ideal for applications requiring a male round pin-socket contact style in assembly products.
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
Swampscott 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;
SMBJ18CA
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
M85049/85-08W02
Amphenol
CIRCULAR CONN ACCESSORY; Shell Sizes: 8; 9; IEC Conformity: NO; MIL-Connector Accessory Name: BAND LOCK ADAPTER; MIL Conformity: YES; DIN Conformity: NO;
RC0603FR-071KL
Yageo
Yageo's RC0603FR-071KL is a fixed resistor with 1000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in electronics, it operates b/w -55 to 155 °C with a temperature coefficient of 100 ppm/°C.
STM32H743IIT6
STMicroelectronics
STM32H743IIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications due to its wide temperature range (-40°C to 85°C) and various connectivity options (CAN, I2C, UART, USB).
ULN2803A
Texas Instruments
ULN2803A by Texas Instruments is a peripheral driver with 8 functions. It has a max supply voltage of 3V and can operate in temperatures ranging from -40 to 85°C. This IC is commonly used as a buffer or inverter based peripheral driver for various applications.
4-1393763-4
Tyco Electronics Cii
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MBB; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
BE12-2A85-P
Standex-meder Electronics
BE12-2A85-P by Standex-Meder Electronics is a DPST reed relay with 1ms operate time and 500M cycles electrical life. It has a max AC contact current of 1A and is suitable for AC/DC applications up to 1000VAC/DC.
HE72-1-B-05-10
Littelfuse
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;
3-1393771-8
TE Connectivity 3-1393771-8 Reed Relay, SPST with 2 FORM C, operates in 1.5ms. Ideal for applications requiring momentary relay action, with a max AC contact current of 0.5A and DC coil operate voltage of 3.8V.
9007-05-00
Coto Technology
The Coto Technology 9007-05-00 Reed Relay features SPST function, 0.5ms operate time, and 10W@200VDC power rating. Ideal for applications requiring momentary relay action with a max DC contact current of 0.5A@200VDC.
MS12-1A87-75L
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Body Width: 3.81 inch;
SIL05-1A72-71DHR
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Manufacturer Series: SIL05-1A72-71DHR;
HE721A2430
DAT71210-HR
Cynergy3 Components
Cynergy3 Components DAT71210-HR Reed Relay, SPST 1 FORM A with 3ms operate time and 1000000 cycle electrical life. Ideal for AC/DC applications with max contact ratings of 2A@7000VAC/DC. Features MBB relay action, 4 terminals, and compact size of 60mm x 15.8mm x 18.5mm for through-hole mounting.
HE722A0550
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: DPST; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
2911-05-321
The Coto Technology 2911-05-321 is a SPDT Reed Relay with 1 FORM C, operate time of 1ms, and electrical life of 100M cycles. It is hermetically sealed, suitable for AC/DC applications at max contact ratings of 0.25A@150VAC/0.25A@150VDC. Ideal for random switching controls on PCBs due to its compact size (20.82mm x 6.35mm x 7.11mm) and low coil power consumption (110mW).
SIL12-1A72-71L
SIL12-1A72-71L by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 0.5 ms operate time and 10000000000 ohm insulation resistance. It is ideal for applications requiring fast switching, high insulation resistance, and low coil power consumption.
SIL12-1A72-71DHR
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Minimum Operating Temperature: -20 Cel;
SHV05-1A85-78D3K
SHV05-1A85-78D3K by Standex-Meder Electronics is a SPST reed relay with 1 FORM A configuration, operate time of 1.1 ms, and insulation resistance of 10^10 ohm. It is ideal for applications requiring momentary relay action, with a max operating temperature of 105°C and DC coil operate voltage of 3.75 V.
HE3621A1240
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.
JWD-171-17
TE Connectivity's JWD-171-17 Reed Relay, 1 FORM B SPST type with 1.5ms operate time and 1000000 cycle electrical life. Ideal for applications requiring momentary relay action, with a max contact DC power rating of 10W@20VDC.
HM24-1A69-300
HM24-1A69-300 by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 3ms operate time and MBB relay action. It has a coil resistance of 600 ohm, operates at 24V nominal coil voltage, and can handle up to 3A@10000VAC. Ideal for applications requiring fast switching in AC/DC circuits with high insulation resistance.
HE3671A0500
HE3621A0500
Hamlin Electronics Europe
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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;
HE721C0500
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;
HE721C2410
HE721A1230
HE721A0540
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