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
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.
Median Price
$4.726
Lifecycle Status
Suppliers In-Stock
26
In-Stock Inventory
1k+
RS (Exports)
1+ parts
$3.050
100+ parts
-
1k+ parts
10k+ parts
Arrow
$3.430
$2.973
$2.669
Farnell
$3.760
$2.980
Mouser Electronics
$4.550
$3.710
$3.190
$3.180
Chip1Stop
$4.903
$3.236
$2.705
RS Americas
$5.040
$4.590
$4.440
Element14
$5.424
$4.062
$3.169
DigiKey
$5.750
$4.566
Newark
$5.800
$4.040
$3.350
$3.150
TTI
Verical
Nova Conductors
$3.220
Vyrian
ACDS - Activité Composants Distribution Service
Connect4Technologies Inc.
LIBRA Elektronik GmbH
North Shore Components
Manoshevitz Elec. Sales
QIE Inc.
Microfarads
Prism Electronics
Fibra_Brandt Electronic GMBH
Sunrise Surplus Inc.
Electronic Expediters
LWI Electronics Inc
Sinequanon
Ampacity Inc.
$0.880
Component Stockers USA
$2.380
$1.970
$1.930
Argo Parts USA
Continental Prestige Electronics
$4.660
$3.620
Allen Electronics Distributors
$5.540
Authorized Procurement Solutions
Perfect Parts
A-Plus Industry Inc.
Assy Fe
ChipstoGo Electronic ltd
Allows for switching between two separate circuits, providing versatility in application.
Single pole, double throw contact configuration for reliable switching.
Fast response time for quick switching operations.
High insulation resistance ensures reliable performance and prevents leakage.
Hermetically sealed for protection against environmental factors and enhanced durability.
Can withstand high temperatures without affecting performance.
Standard voltage rating for easy compatibility with various systems.
Optimal resistance for efficient coil operation.
Low contact resistance for minimal signal loss and improved conductivity.
Standard terminal length for easy installation and connection.
Reed Relays HE721C1210 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:
HE721C1210 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
PCN Packaging - Multiple Devices Packaging/Quantity 05/Jun/2020 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.
1N4148
Weitron Technology
RECTIFIER DIODE; Surface Mount: NO; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; Maximum Output Current: .15 A; Terminal Finish: Tin/Lead (Sn/Pb);
LL4148
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SS14
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Synsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NE555D
Philips Semiconductors
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM2931Z-5.0RPG
Onsemi
LM2931Z-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V Nominal Output Voltage, 0.1A Max Output Current, and 6V Min Input Voltage. It operates in temperatures ranging from -40 to 125 °C and is ideal for applications requiring stable voltage regulation in electronic circuits.
CRG0805F10R
TE Connectivity
TE Connectivity's CRG0805F10R is a 10 ohm fixed resistor with 1% tolerance and 0.125 W power dissipation. It features thick film technology, SMT package style, and matte tin over nickel terminal finish. Ideal for surface mount applications in electronics, offering a temperature coefficient of 200 ppm/°C and operating voltage of 150 V.
LM358N
Kec
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
RECTIFIER DIODE; Surface Mount: NO; Terminal Finish: MATTE TIN; Maximum Operating Temperature: 200 Cel; Maximum Output Current: .15 A; JESD-609 Code: e3;
2N7002
Jiangsu Changjiang Electronics Technology
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Operating Mode: ENHANCEMENT MODE; Transistor Application: SWITCHING;
SN65HVD230DR
Texas Instruments
SN65HVD230DR by Texas Instruments is a BICMOS technology interface circuit with 1Mbps data rate, suitable for industrial applications. It operates at 3.3V, has 8 terminals in a small outline package, and can withstand temperatures from -40 to 85°C.
ULN2803ADWG4
ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
M39029/56-351
Amphenol
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Additional Features: STANDARD: MIL-DTL-38999; Contact Gender: FEMALE; MIL-Connector Accessory Name: CONTACT; Associated Military - Specifications: MIL-DTL-38999;
2N2222A
Asi Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
North American Philips Discrete Products Div
National Semiconductor
1N4148WS
Multicomp Pro
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
SIL24-1A72-71L
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: UL;
1393763-1
TE Connectivity 1393763-1 Reed Relay, SPST form A with 0.75ms operate time and 5M cycle electrical life. Ideal for AC/DC supply switching applications due to IP67 sealing, 10W@200VDC power rating, and 0.5A@200VAC contact ratings. Suitable for panel mounting with compact dimensions of 19.3mm x 6.4mm x 5.7mm.
HE721E0500
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;
HE751A1200
HE751A1200 by Littelfuse is a SPST Reed Relay with 1 FORM A, operate time of 1 ms, and max contact DC power rating of 10W@300VDC. Hermetically sealed for reliability, it's ideal for applications requiring momentary relay action in AC/DC circuits.
KT24-1A-40L-THT
Standex Electronics
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: AEC-Q200; CUL; UL;
HE3621A1200
Hamlin Electronics Europe
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;
HE721A2450
3912185000
Standex-meder Electronics
3912185000 by Standex-Meder Electronics is a SPST Reed Relay with 1 FORM A, MBB relay action. It operates at 1.1ms and has an insulation resistance of 10^13 ohm. With a max DC contact current of 1A@1000VDC, it is ideal for AC/DC applications requiring high reliability in a compact size.
JWD-172-4
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.
MS05-1A87-75DHR
MS05-1A87-75DHR by Standex-Meder Electronics is a SPST dry reed relay with 0.5ms operate time and 1000000000 cycle electrical life. It has a max contact rating of 0.5A@200VAC and is ideal for applications requiring momentary relay action in AC/DC circuits.
MS12-1A87-75L
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;
HE3621A1250
HE72-1-E-12-30
SAR91205
Cynergy3 Components
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Contact DC Rating (R Load): .5A@20VDC;
HE72-1-A-12-30
JWD-171-21
TE Connectivity's JWD-171-21 Reed Relay, DPST with 2 FORM A, operates in 1.5ms and has an electrical life of 1000000 cycles. With a max contact DC power rating of 10W@20VDC, it is suitable for applications requiring momentary relay action and PCB hole count of 8.
LI12-1A85
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Packing Method: TUBE;
DIP05-1A72-12L
DIP05-1A72-12L by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 0.5ms operate time and 1000000000 cycle electrical life. It has a coil resistance of 550 ohm, operates at 5V nominal coil voltage, and is ideal for AC/DC contact supply applications.
HE722A1240
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;
HE721B2400
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
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
HE721C1230
DRY REED RELAY; Relay Function: SPDT; Coil or Input Supply Type: DC; Contact or Output Supply Type: DC; DC Coil Release Voltage: 1 V; Body Height: 7.5 mm;
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