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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Featured manufacturers
HE721A1210 by Littelfuse is a 1 FORM A SPST Reed Relay with 1ms operate time, 10000000000 ohm insulation resistance, and hermetically sealed body. Ideal for applications requiring momentary relay action in environments with temperatures ranging from -40 to 85 °C.
Median Price
$2.370
Lifecycle Status
Suppliers In-Stock
18
In-Stock Inventory
1k+
Farnell
1+ parts
$1.450
100+ parts
$1.260
1k+ parts
$1.130
10k+ parts
-
Element14
$2.030
$1.820
Mouser Electronics
$2.480
$1.970
$1.740
$1.560
Verical
$1.470
$1.353
Distrelec
Master Electronics
$2.400
$2.130
$2.040
Component Electronics Inc.
$2.690
$2.020
$1.750
First Choice Components Inc.
Nova Conductors
PC Components Company LLC
Bristol Electronics
MISTER SPROCKETS
Prism Electronics
ACDS - Activité Composants Distribution Service
ComSIT Distribution GmbH
Elcom Components
Mentor Electronics Marketing, LLC
Sea View Technologies
Component Stockers USA
$1.800
$1.390
$1.290
Advanced Electronics
$1.903
$1.732
Continental Prestige Electronics
$1.910
$1.420
Authorized Procurement Solutions
Perfect Parts
A-Plus Industry Inc.
Assy Fe
Aranea Global
Single Pole Single Throw design provides simplicity and reliability in electrical circuits.
Fast operate time ensures quick response in switching applications.
High insulation resistance helps in preventing leakage current and ensures safety in operation.
Hermetically sealed construction provides protection against environmental factors, ensuring long-term reliability.
Wide operating temperature range allows for versatile use in different environments.
Standard coil voltage for compatibility with various electronic systems.
High contact rating allows for switching of higher loads, increasing the versatility of the relay.
Easy installation and secure mounting on PCBs for reliable operation.
Reed Relays HE721A1210 attributes and parameters. Explore more Reed Relays devices from Littelfuse
Relay Type:
Relay Action:
Relay Function:
Relay Form:
Input Switching Method:
Contact Maximum DC Current:
Contact Maximum DC Voltage:
Contact Maximum DC Rating (R Load):
Contact Resistance:
Coil Maximum DC Voltage:
Coil Resistance:
Coil/Input Supply Type:
Coil Maximum DC Current:
Coil DC Operate Voltage:
Coil DC Release Voltage:
Coil Power:
Coil Nominal Voltage:
Termination Type:
Activation Time:
Release Time:
Minimum Operating Temperature:
Maximum Operating Temperature:
Coil-Contacts Dielectric Strength:
Open Contacts Dielectric Strength:
Insulation Resistance:
Width:
Height:
Length/Diameter:
Dimensions:
PCB Hole Count:
Terminal Count:
Terminal Length:
Mounting Type:
Packing Method:
Sealing Type:
Industry Standard Compliance:
Additional Features:
HE721A1210 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-01-266-5388, 5945012665388
NIIN
012665388
PCN Packaging - Reed Relay Packaging 05/Apr/2019 Multiple Devices Packaging/Quantity 05/Jun/2020
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.
BSS138
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
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 %;
2N2222A
Tesla Elektronicke Soucastky
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
Protek Devices
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Housing: PLASTIC; Maximum Accuracy (Cel): 0.50;
1N4148
Rfe International
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Forward Voltage (VF): 1 V; Config: SINGLE;
Invensys Sensor Systems
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; Maximum Repetitive Peak Reverse Voltage: 100 V;
LM358N
Texas Instruments
LM358N by Texas Instruments is an operational amplifier with 2 functions, offering a max input offset voltage of 9000 uV and a nominal common mode reject ratio of 85 dB. Widely used in commercial applications, it operates at temperatures ranging from 0 to 70 °C and has a unity gain bandwidth of 1000 kHz.
Eic Semiconductor
GRM155R71H103KA88D
Murata Manufacturing
The Murata Manufacturing GRM155R71H103KA88D is a ceramic capacitor with 0.01uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and high reliability.
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BAV99
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
New England Semiconductor
Daco Semiconductor
2N7002
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Maximum Drain Current (ID): .34 A;
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.
LL4148
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
M39029/58360
Esterline Technologies
CONNECTOR ACCESSORY; Terminal Type: CRIMP; Removal Tools: M81969/14-01; Associated Military - Specifications: MIL-DTL-38999; IEC Conformity: NO; MIL-Connector Accessory Name: CONTACT;
9001-05-02
Coto Technology
The Coto Technology 9001-05-02 Reed Relay has a SPST function with 0.35ms operate time. It features 10W@200VDC power rating and is ideal for applications requiring momentary relay action in PCB designs.
HE722A1250
Littelfuse
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;
HE3621A2440
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;
CRR05-1A
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: SURFACE MOUNT-STRAIGHT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Termination Type: SOLDER;
HE722A2420
DIP05-1A72-12D
Standex-meder Electronics
DIP05-1A72-12D by Standex-Meder Electronics is a SPST reed relay with 0.5ms operate time and 1000000000 cycle electrical life. It is waterproof, momentary, and has a max operating temperature of 70°C. Ideal for AC/DC applications requiring a 1A@200VAC contact rating in a compact form factor of 19.3mm x 7mm x 7.5mm.
DAR72410-HR
Cynergy3 Components
DAR72410-HR by Cynergy3 Components is a 1 FORM A SPST reed relay with 3ms operate time and 1000000 cycle electrical life. With a coil resistance of 780 ohm, it operates at 24V nominal coil voltage. Ideal for applications requiring high insulation resistance and reliable switching control in AC/DC supply systems.
JWD-172-7
Tyco Electronics Elcon
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: BBM; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: CSA; UL;
DAT71210F-HR
DAT71210F-HR by Cynergy3 Components is a 1 FORM A SPST reed relay with an operate time of 3 ms and electrical life of 1000000 cycles. It is commonly used in applications requiring random input switching control, such as AC/DC contact or output supply types.
HE721A0540
DBT71210U
DBT71210U by Cynergy3 Components is a 1 FORM B SPST reed relay with an operate time of 2 ms and electrical life of 1000000 cycles. It is commonly used in AC/DC contact or output supply applications requiring a max contact current of 2A@7000VAC/DC.
TE Connectivity
TE Connectivity's JWD-172-7 Reed Relay is a SPDT 1 FORM C type with 1.5ms operate time and 1000000 cycle electrical life. Ideal for applications requiring momentary relay action, it has a max contact DC power rating of 3W@10VDC and operates b/w -35 to 85 °C temperatures.
HE721E1230
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;
4-1393763-5
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;
SIL12-1A72-71D
SIL12-1A72-71D 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 AC/DC contact supply, with max ratings of 0.5A@200VAC and 0.5A@200VDC, suitable for use in various electronic control systems.
HE3621A2400
Hamlin Electronics Europe
HE721B2400
HE221C0681
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Sealing: HERMETICALLY SEALED; Maximum Operating Temperature: 85 Cel;
2200-2301
Coto Technology's 2200-2301 Reed Relay has 0.55ms operate time, 5M cycle electrical life, and 100G ohm insulation resistance. Ideal for AC/DC applications with 0.5A@150VAC rating, it features a compact design of 20.57mm x 5.33mm x 5.72mm suitable for PCB mounting in various electronic devices.
HE3621A0550
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
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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