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
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.
Median Price
$1.236
Lifecycle Status
Suppliers In-Stock
31
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$1.130
100+ parts
$0.856
1k+ parts
$0.801
10k+ parts
-
RS (Exports)
$1.170
Mouser Electronics
$1.610
$1.280
$1.030
$0.940
Arrow
$1.633
$1.303
$1.082
$1.072
RS Americas
$1.660
$1.330
Verical
Master Electronics
$1.139
$0.901
TTI
$1.010
$0.970
$0.930
Nova Conductors
Component Electronics Inc.
$1.920
$1.440
$1.250
Forefront Electronics and Design
$22.050
IBS Electronics
$1.025
$0.950
Vyrian
Bristol Electronics
Dan-Mar Components
Ashlea Components Ltd
BCID Electronics Ltd.
ComSIT Distribution GmbH
ComSIT USA
Holdelec - ElecDif-Pro
PC Components Company LLC
Resion
ACDS - Activité Composants Distribution Service
Kronex Distribution GmbH
Pegasus Components GmbH
Prism Electronics
Digital Electronic Gebert Verwaltungs UG
Flex Direct, LLC
Inventory MP
Semtec, LLC
Electronic Expediters
Semicontronic
$0.960
$0.936
$0.931
Argo Parts USA
$0.982
Continental Prestige Electronics
$0.962
Netroflash
$0.978
$0.958
Allen Electronics Distributors
$1.820
$1.460
Corohmni
$3.088
Aztec Data Supply Inc.
$3.564
Authorized Procurement Solutions
Kepictronics
Perfect Parts
SIE Connect GmbH (Excess)
Allows for simple on/off control, suitable for various applications.
Provides a single pole, single throw configuration for efficient switching.
Offers fast response time, ideal for applications requiring quick switching.
Can handle high power loads, suitable for demanding applications.
Ensures reliable operation and prevents electrical leakage.
Compact size for space-saving installation in different equipment.
Provides protection against contaminants and moisture, ensuring long-term reliability.
Allows for temporary switching, suitable for applications requiring specific timing.
Provides multiple connection points for versatile installation options.
Low profile design for easy integration in tight spaces.
Can withstand high temperatures, suitable for harsh environments.
Efficient coil operation for minimal power consumption.
Can handle moderate current loads for various applications.
Allows for reliable coil de-energization at low voltage levels.
Can operate in low temperature conditions, suitable for a wide range of environments.
Efficient coil operation at a moderate voltage level.
Standard coil voltage for compatibility with different systems.
Offers flexibility in switching control options for diverse applications.
Designed for easy PCB mounting with multiple holes for secure installation.
Suitable for high voltage DC applications, providing versatile switching capabilities.
Compliant with industry standards for safety and performance assurance.
Compatible with both AC and DC supplies for versatile usage.
Can handle AC loads efficiently, suitable for various applications.
Ensures insulation between open contacts, preventing electrical arcing.
Offers reliable switching using dry reed contacts for long-lasting performance.
Provides quick release after switching, ideal for precise control applications.
Efficient coil power consumption for energy savings.
Available in bulk packaging for cost-effective purchasing and stocking options.
Compact and cylindrical design for versatile installation in different systems.
Suitable coil resistance for stable operation and optimal performance.
Ensures insulation between coil and contacts, preventing electrical breakdown.
Can handle high DC current loads, suitable for heavy-duty applications.
Efficiently handles high DC current loads, suitable for demanding applications.
Allows for secure soldered connections, ensuring reliable operation.
Low contact resistance for efficient power transfer and minimal energy loss.
Suitable for moderate AC voltage applications, providing reliable switching capabilities.
Requires DC input supply for operation, suitable for DC-based systems.
Offers easy through-hole installation with straight mounting for secure positioning.
Can operate efficiently at a moderate DC coil voltage level for stable performance.
Standard terminal length for easy connection and installation.
Reed Relays HE721A1200 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:
Contact Maximum AC Current:
Contact Maximum AC Voltage:
Contact Maximum AC Rating (R Load):
Contact Maximum DC Power Rating (R Load):
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:
PCB Hole Count:
Terminal Count:
Terminal Length:
Mounting Type:
Packing Method:
Sealing Type:
Industry Standard Compliance:
HE721A1200 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-21-897-0160, 5945218970160
NIIN
218970160
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.
DRV5053VAQLPG
Texas Instruments
Texas Instruments DRV5053VAQLPG is a magnetic field sensor with 2.5-38V supply voltage range, -40 to 125°C operating temperature, and 0-2V output. Ideal for applications requiring Hall effect sensors like automotive, industrial automation, and robotics due to its compact size (1.52" x 4mm) and high output current capability of 2.3A.
2N2222A
General Diode
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
M24308/2-1F
Cristek Interconnects
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; No. of Rows Loaded: 2; Shell Size: 1/E; Filter Feature: NO;
2N7002
Central Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .115 A; Maximum Drain Current (Abs) (ID): .115 A;
BAV99
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Transistor & Electronic
SPC TECHNOLOGY/ MULTICOMP
FDC5614P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.6 W; Transistor Application: SWITCHING; Maximum Drain Current (ID): 3 A;
DS18B20
Maxim Integrated
DS18B20 by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Commonly used in applications requiring precise temperature monitoring like HVAC systems and industrial automation.
261
Micronetics
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
ULN2803ADWRG4
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.
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Formosa Microsemi
BSS138LT3G
Onsemi
BSS138LT3G by Onsemi is a N-CHANNEL FET with a min DS breakdown voltage of 50V. It is used for switching applications and has a max drain current of 0.2A and max drain-source on resistance of 3.5 ohm.
Allegro MicroSystems
ABS25-32.768KHZ-1-T
Abracon
Abracon's ABS25-32.768KHZ-1-T crystal oscillator offers 10 ppm frequency tolerance, 126% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal operating frequency, such as IoT devices and precision timing systems.
SMBJ18CA
Good-ark Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V; Maximum Time At Peak Reflow Temperature (s): 10; JESD-609 Code: e3;
LM358N
Taejin Technology
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
STM32H743XIH6
STMicroelectronics
STM32H743XIH6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 36-Ch 16-Bit ADC, and 2-Ch 12-Bit DAC. It operates at up to 48 MHz, has 1085440 bytes of RAM, and offers connectivity options like CAN, I2C, USB. Ideal for industrial applications requiring high-performance processing and extensive peripheral support.
SS14
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
HE721A2410
Hamlin Electronics Europe
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;
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.
HE721E1220
Littelfuse
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;
HE72-1-C-24-30
JWD-171-10
TE Connectivity
TE Connectivity's JWD-171-10 Reed Relay is a SPST type with 1 FORM A form. It has an operate time of 1.5ms and electrical life of 1000000 cycles. With a max contact DC power rating of 10W@100VDC, it is suitable for applications requiring momentary relay action in various industries.
DBT71210
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: BBM; Relay Function: SPST; Coil or Input Supply Type: DC; Physical Dimension: 60mm x 15.8mm x 18.5mm;
HE72-2-A-05-50
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;
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;
SIL05-1A72-71LHR
Standex-meder Electronics
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.
HE722A1240
HE3621A0500
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;
HE3621A2450
HE24-1A69-03
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Manufacturer Series: HE;
HE222C0680
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: DPDT; Maximum DC Contact Current: .25 A; Termination Type: SOLDER;
DIP05-1C90-51L
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: UL;
HE3621A1200
HE3621A1200 by Littelfuse is a 1 FORM A SPST dry reed relay with 1ms operate time and 10000000000 ohm insulation resistance. It is hermetically sealed, suitable for momentary applications in DC circuits up to 200V at 0.5A. Operating temperatures range from -40°C to 85°C, making it ideal for various industrial control systems.
SIL05-1A72-71DHR
SIL05-1A72-71DHR by Standex-Meder Electronics is a SPST Reed Relay with 0.7ms operate time and 1000000000 cycle electrical life. It is waterproof, suitable for AC/DC applications, and has a coil resistance of 1100 ohm. Ideal for high-speed switching in various electronic devices.
CRF05-1A
DRY REED RELAY; Mounting Feature: SURFACE MOUNT-STRAIGHT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Contact DC Rating (R Load): .5A@170VDC;
SIL24-1A72-71L
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: UL;
HE721C1200
HE721C1200 by Littelfuse is a SPDT reed relay with 3ms operate time, 5W@175VDC power rating, and 10000000000 ohm insulation resistance. Ideal for AC/DC supply switching applications due to its hermetically sealed design and momentary action. Operates at -40 to 85 °C with coil voltage of 12V and through-hole mounting feature.
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
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 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.
HE721C2410
HE721A1230
HE721A0540
HE721A1210
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Terminal Length: .1181 inch;
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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