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
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
$3.718
Lifecycle Status
Suppliers In-Stock
24
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$2.760
100+ parts
-
1k+ parts
10k+ parts
Arrow
$2.987
$2.649
Distrelec
$4.116
$3.484
$2.969
$3.216
Mouser Electronics
$4.390
$3.350
$3.020
$2.990
Bürklin Elektronik
$5.290
$3.760
$2.980
DigiKey
$5.830
$4.628
$4.419
Verical
Future Electronics
$3.320
$3.190
Component Electronics Inc.
$2.310
$1.730
$1.500
Nova Conductors
$2.960
DF Sales Co.
$4.130
TME
$4.530
$3.850
Vyrian
ComSIT Distribution GmbH
IBS Electronics
$4.355
$4.173
LIBRA Elektronik GmbH
NAC Semi
$6.720
$6.200
Q Components
Huijzer Components
Fibra_Brandt Electronic GMBH
Mil-Aero Solutions, Inc.
ACDS - Activité Composants Distribution Service
Holdelec - ElecDif-Pro
Aztec Data Supply Inc.
$2.810
Bastille Electronics
$2.812
$2.671
$2.634
Continental Prestige Electronics
$2.901
Argo Parts USA
Corohmni
$4.341
Perfect Parts
Reed Relays HE721C2400 attributes and parameters. Explore more Reed Relays devices from Hamlin Electronics Europe
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 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:
Dimensions:
PCB Hole Count:
Terminal Count:
Terminal Length:
Mounting Type:
Sealing Type:
Industry Standard Compliance:
Manufacturer Series:
HE721C2400 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-01-140-1416, 5945011401416, 5945-99-656-4092, 5945996564092
NIIN
011401416, 996564092
PCN Packaging - Reed Relay Packaging 05/Apr/2019 Multiple Devices Packaging/Quantity 05/Jun/2020
CHICAGO, April 15, 2013 — Littelfuse, Inc. (NASDAQ:LFUS), today announced it has signed a definitive agreement to acquire Hamlin, Inc. from Key Safety Systems for $145 million in a cash transaction. Hamlin is dedicated to providing sensor technology to the automotive industry as well as the electronics and industrial markets. Hamlin is a global company whose principal facilities are in Lake Mills, Wisconsin; Norwich, UK; Suzhou, China and Matamoros, Mexico. Hamlin had sales of approximately $76 million in 2012. About Hamlin Founded in 1949, Hamlin Electronics is a leader in sensor technology, providing standard products and custom solutions for leading global manufacturers in the automotive and other industries. About Littelfuse Founded in 1927, Littelfuse, Inc., the worldwide leader in circuit protection, offers the industry’s broadest and deepest portfolio of circuit protection products and solutions. Littelfuse devices protect products in virtually every market that uses electrical energy, from consumer electronics to automobiles to industrial equipment.
2N2222A
Microchip Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum Operating Temperature: -65 Cel; Terminal Position: BOTTOM;
BAV99+
Multicomp Pro
BAV99+ by Multicomp Pro is a series connected diode with 0.2A output current and 75V peak reverse voltage. Its 0.006us reverse recovery time makes it ideal for high-speed applications. This small outline rectifier diode is designed for surface mount installation in electronic circuits.
1N4148WT
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Comchip Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
RN41N-I/RM
Microchip Technology's RN41N-I/RM is a telecom IC with 35 terminals, operating from -40 to 85°C. It has a supply voltage of 3.3V and is surface mountable in industrial applications. The package style is rectangular, measuring 13.2mm x 20.1mm with a seated height of 2.2mm, suitable for telecom interface functions.
BSS138
Jiangsu Changjiang Electronics Technology
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Style (Meter): SMALL OUTLINE; Maximum Drain Current (ID): .22 A; Package Shape: RECTANGULAR;
LM317AEMP/NOPB
Texas Instruments
LM317AEMP/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and a max output current of 1.5A. It operates in temperatures ranging from -40°C to 125°C, making it suitable for various applications requiring precise voltage regulation in a compact package.
SS14
Hy Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Fairchild Semiconductor
ABS25-32.768KHZ-T
Abracon
Abracon's ABS25-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency, such as IoT devices and precision timing systems in industrial settings.
LM358D-T
NXP Semiconductors
LM358D-T by NXP Semiconductors is a dual operational amplifier with 70dB CMRR, 1000kHz unity gain bandwidth, and 9000uV max input offset voltage. Widely used in commercial applications due to its small outline package and low bias current of 0.5uA.
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Terminal Position: BOTTOM; Package Style (Meter): CYLINDRICAL;
MURS160T3G
Onsemi
MURS160T3G by Onsemi is a single rectifier diode with a max output current of 2A and max repetitive peak reverse voltage of 600V. It has a fast recovery time of 0.075us, making it suitable for high voltage applications. The diode operates in temperatures ranging from -65 to 175°C, ideal for power systems requiring ultra-fast response.
DS18B20Z+
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Body Width: 3.9 inch; Maximum Supply Voltage: 5.5 V;
Sangdest Microelectronics (Nanjing)
LL4148
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Good-ark Electronics
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
Transys Electronics
CRR05-1AS
Standex-meder Electronics
CRR05-1AS by Standex-Meder Electronics is a SPST Reed Relay with 0.1ms operate time and 1000000000 cycle electrical life. Ideal for AC/DC applications, it has a max operating temperature of 125°C and features gold terminal finish. Measuring 8.6mm x 4.4mm x 3.4mm, this DRY REED RELAY offers fast 0.02ms release time and operates at a coil power of 129mW.
HE3621A0500
Littelfuse
HE3621A0500 by Littelfuse is a 5V DRY REED RELAY with SPST function, 1 FORM A form, and 1ms operate time. Ideal for applications requiring momentary relay action, it offers hermetically sealed sealing, 10000000000 ohm insulation resistance, and operates b/w -40 to 85 °C.
1393763-6
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;
SIL05-1A72-71L
SIL05-1A72-71L by Standex-Meder Electronics is a 1 FORM A SPST reed relay with an operate time of 0.5 ms. It has a max AC contact current of 0.5 A and is commonly used in AC/DC contact or output supply applications.
HE721E0520
3-1393763-4
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: BBM; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
HE722A2410
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;
LI12-1A85
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Packing Method: TUBE;
SIL12-1A72-71LHR
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Coil Resistance: 2200 ohm;
JWD-171-21
TE Connectivity
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.
HE3621-A-12-10
HE3621-A-12-10 by Littelfuse is a SPST dry reed relay with 0.5 ms operate time and 5.08 inch width. It is hermetically sealed, operates at 8V DC, and has a max contact rating of 0.5A@200VDC. Ideal for applications requiring momentary relay action in compact spaces.
HE3671A2450
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;
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.
DIP05-1A72-12D
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.
SIL05-1A72-71D
SIL05-1A72-71D by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 0.5ms 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 PCBs with 4 holes and featuring a compact size of 19.8mm x 5.08mm x 7.8mm.
HE72-1-E-05-30
HE72-1-E-12-20
HE721C2450
HE721C2410
Hamlin Electronics Europe
DIP24-1C90-51L
DIP24-1C90-51L by Standex-Meder Electronics is a SPDT Reed Relay with 2ms operate time, 100000000 cycle electrical life, and 1000000000 ohm insulation resistance. Ideal for applications requiring momentary relay action in AC/DC circuits with a max contact rating of 0.2A@100VAC/DC.
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HE721C0510
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; DC Coil Operate Voltage: 3.75 V;
HE721C0510 by Littelfuse is a SPDT Reed Relay with 3ms operate time, 10000000000 ohm insulation resistance, and 7.22mm body width. Ideal for applications requiring momentary relay action in environments with temperatures ranging from -40 to 85 °C.
HE721A1200
HE721A1200 by Littelfuse is a 1 FORM A SPST Reed Relay with 10W@200VDC power rating. With 1ms operate time, it's hermetically sealed and ideal for AC/DC supply applications. Featuring 12V nominal coil voltage, it offers high insulation resistance of 10000000000 ohm and dielectric strength up to 500 Vrms.
HE721A0500
HE721A0510
HE721C2400
HE721C1210
HE721C1210 by Littelfuse is a SPDT 1 FORM C reed relay with 3ms operate time. With hermetically sealed body, it has 12V nominal coil voltage and operates at -40 to 85°C. Ideal for applications requiring momentary relay action in DC circuits up to 175V.
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Current: .25 A;
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;
HE721A1230
HE721A0540
HE721C1200
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
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12,000 In-Stock
Total price ≈ $80,197.29
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