Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: CUL; UL;
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Bristol Electronics
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$6.143
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$5.887
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Native Components
$0.130
$0.125
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$0.143
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$85.100
Reed Relays HE721R0500 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):
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:
Insulation Resistance:
Width:
Height:
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Industry Standard Compliance:
HE721R0500 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-01-300-7719, 5945013007719
NIIN
013007719
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
International Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BSS138DW-7-F
Diodes Incorporated
BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
Itt Semiconductor
Sangdest Microelectronics (Nanjing)
ISO1050DUBR
Texas Instruments
ISO1050DUBR by Texas Instruments is a network interface IC with 8 terminals, operating from -55 to 105°C. It features a small outline package, nickel palladium gold finish, and gull wing terminal form. Ideal for telecom applications requiring a 5V supply voltage and peak reflow temperature of 260°C.
LD1117S33CTR
STMicroelectronics
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
1N4148WS
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358MX
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM107H
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
Semitronics
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.
CRCW040210K0FKED
Vishay Intertechnology
Vishay Intertechnology's CRCW040210K0FKED is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications in electronics due to its compact SMT package style and high operating temperature range of -55 to 155 °C.
Positronic Industries
CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CONTACT; DIN Conformity: NO; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354; Contact Type: CRIMP REAR RELEASE;
SMBJ18CA
Continental Device India
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Code: TO-99; Package Shape: ROUND;
SDR0604-101KL
Bourns
SDR0604-101KL by Bourns is a surface mount fixed inductor with a nominal inductance of 100 uH. It is a general purpose inductor suitable for power applications, with a max rated current of 0.52 A and a self-resonance frequency of 9 MHz.
2N2222A
Microchip Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum Operating Temperature: -65 Cel; Terminal Position: BOTTOM;
KT24-1A-40L-THT
Standex-meder Electronics
KT24-1A-40L-THT by Standex-Meder Electronics is a SPST Reed Relay with 1.1ms operate time, suitable for MOMENTARY applications. With 18V DC coil operate voltage and 1000V max contact AC/DC rating, it offers reliable performance in various electronic circuits. Measuring at 30mm x 11mm x 9mm, this THROUGH HOLE-STRAIGHT MOUNT relay is ideal for industrial automation and control systems.
DAR72410F-HR
Cynergy3 Components
The Cynergy3 Components DAR72410F-HR is a 1 FORM A SPST reed relay with an operate time of 3ms and electrical life of 1000000 cycles. It has a max AC contact current of 3A@1000VAC, making it suitable for applications requiring high-speed switching in industrial control systems. With a compact body size of 60mm x 15.8mm x 18.5mm, it is ideal for use in telecommunications equipment and test instruments due to its reliable performance and long lifespan.
JWD-171-21
Tyco Electronics Elcon
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MBB; Relay Function: DPST; Coil or Input Supply Type: DC; Reference Standard: CSA; UL;
9814-05-00
Coto Technology
The Coto Technology 9814-05-00 Reed Relay is a SPST type with 1 FORM A, 0.25ms operate time, and 1000000000 cycle electrical life. It is hermetically sealed, suitable for momentary relay action applications in various industries due to its high insulation resistance of 1000000000000 ohm and compact dimensions of 10.16mm x 5.26mm x 4.57mm.
HE751A1200
Littelfuse
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.
3912185000
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.
HE72-1-A-05-30
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;
HE72-1-A-05-40
HE751A0500
HE751A0500 by Littelfuse is a 1 FORM A SPST Reed Relay with 10W@300VDC power rating. It operates at -20 to 85 °C, with 0.01A DC coil current and 0.35A AC contact current. Ideal for applications requiring momentary relay action, such as in PCBs for switching control, offering hermetically sealed protection.
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.
HE721A0510
Hamlin Electronics Europe
JWD-171-17
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MBB; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CSA; UL;
7102-24-1100
The Coto Technology 7102-24-1100 is a DPST Reed Relay with 2 FORM A configuration, operating at 1ms. With a hermetically sealed body and MBB relay action, it offers high insulation resistance of 1TΩ. Ideal for applications requiring reliable switching in harsh environments.
SIL24-1A72-71D
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;
9007-05-01
Coto Technology's 9007-05-01 Reed Relay features SPST function, 0.5ms operate time, and 10W@200VDC power rating. Ideal for AC/DC supply applications with 0.5A@200VAC contact rating. HERMETICALLY SEALED design ensures reliability in various environments.
DAR72410-HR
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.
HE72-1-B-24-10
1393763-6
TE Connectivity 1393763-6 is a SPST Reed Relay with 1 FORM A, 0.75ms operate time, and IP67 sealing. Ideal for momentary applications, it has a max AC contact current of 1A@200VAC and operates b/w -40 to 85°C.
HE721C2410
HE721C2410 by Littelfuse is a 1 FORM C SPDT Reed Relay with 3ms operate time, suitable for DC power applications up to 5W@175VDC. With hermetically sealed body and 24V nominal coil voltage, it offers high insulation resistance of 10^10 ohm and operates b/w -40°C to 85°C.
HE721C0540
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
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
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