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
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.
Median Price
$3.400
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29
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1k+
Arrow
1+ parts
$1.604
100+ parts
$1.502
1k+ parts
$1.411
10k+ parts
$1.397
Chip1Stop
$2.200
$1.947
$1.820
$1.801
RS (Exports)
$3.560
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Mouser Electronics
$4.020
$3.360
$3.250
RS Americas
$4.530
$4.130
$3.990
Distrelec
$6.368
$5.489
$5.049
Bürklin Elektronik
$7.840
$4.790
Verical
Future Electronics
$3.240
$3.190
Master Electronics
$2.600
$2.470
DF Sales Co.
$1.600
Holdelec - ElecDif-Pro
Jameco Electronics
Bristol Electronics
IBS Electronics
$3.682
$3.528
NAC Semi
$6.270
$5.780
ACDS - Activité Composants Distribution Service
Connector Distribution Corp
Right Parts Inc.
Kronex Distribution GmbH
Nova Conductors
Electronic Expediters
Sea View Technologies
EMSNET
Prism Electronics
Fibra_Brandt Electronic GMBH
Mil-Aero Solutions, Inc.
Pegasus Components GmbH
Ampacity Inc.
$2.780
Allen Electronics Distributors
$4.980
Authorized Procurement Solutions
Perfect Parts
Cyclops Electronics Ltd (Excess)
Aranea Global
Single Pole Double Throw relay function allows for versatile switching capabilities, making this relay suitable for a variety of applications.
Fast operate time of 3 ms ensures quick response and efficient performance in time-sensitive applications.
High DC power rating of 5W at 175VDC allows for reliable switching of power loads, making this relay suitable for demanding applications.
High insulation resistance ensures reliable and safe operation by preventing leakage currents and minimizing the risk of electrical failures.
Hermetically sealed construction provides protection against environmental factors such as dust, moisture, and contaminants, ensuring long-term reliability.
Wide operating temperature range of -40 to 85°C allows for reliable operation in various environmental conditions.
High dielectric strength between open contacts ensures safe and reliable switching operation without risk of arcing or electrical breakdown.
Dry reed relay design offers high reliability, fast switching speed, and low contact resistance, making it a preferred choice for many industrial applications.
Reed Relays HE721C1200 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:
HE721C1200 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-21-897-0162, 5945218970162
NIIN
218970162
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.
BAV99
Secos
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Unitrode
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM358D-T
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2N7002
Lite-on Semiconductor
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Qualification: Not Qualified; Additional Features: LOW THRESHOLD; Minimum DS Breakdown Voltage: 60 V;
SS14
Vishay Intertechnology
Vishay Intertechnology's SS14 is a Schottky rectifier diode with a max forward voltage of 0.5V and output current of 1A. Operating at up to 125°C, it has a repetitive peak reverse voltage of 40V. Ideal for surface mount applications, it suits various electronic circuits requiring efficient rectification and low forward voltage drop.
M24308/2-1F
Air Electro
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; MIL Conformity: YES; Additional Features: STANDARD: MIL-DTL-24308;
RC0603FR-0710KL
Yageo
Yageo's RC0603FR-0710KL is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in electronics requiring precise resistance values.
FDN5618P
Onsemi
FDN5618P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage. It features a single configuration with built-in diode, suitable for switching applications. With 10A IDM and 0.17 ohm RDS(on), it operates in the temperature range of -55 to 150 °C, making it ideal for various electronic devices.
LM358MX
LM78L05ACMX/NOPB
Texas Instruments
LM78L05ACMX/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 0.1A. It operates b/w 0-125°C, has a dropout voltage of 1.6V, and can handle input voltages up to 30V making it ideal for various electronic applications requiring stable power supply.
2N2222A
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Maximum Operating Temperature: 150 Cel;
LP2950CDT-3.3G
LP2950CDT-3.3G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 0.1A. It has a small outline package style, operates at temperatures ranging from -40 to 125 °C, and is suitable for applications requiring low dropout voltage and precise voltage regulation in electronic circuits.
Rfe International
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Forward Voltage (VF): 1 V; Config: SINGLE;
Cheng-yi Electronic
Semiconductor Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
SMBJ18CA
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;
General Semiconductor
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1552200168
Molex
WIRE AND CABLE;
Changzhou Galaxy Century Microelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Minimum DS Breakdown Voltage: 60 V; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; No. of Terminals: 3;
HE3621A1200
Littelfuse
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.
DIP05-1A72-12D
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;
2911-12-321
Coto Technology
The Coto Technology 2911-12-321 is a SPDT Reed Relay with 1 FORM C configuration, operating at 12V. It has a max contact DC power rating of 3W@150VDC and an operate time of 1ms. This hermetically sealed relay is ideal for applications requiring momentary relay action in environments with temperatures ranging from -20°C to 85°C.
DBT71210U
Cynergy3 Components
DBT71210U by Cynergy3 Components is a 1 FORM B SPST reed relay with an operate time of 2 ms and electrical life of 1000000 cycles. It is commonly used in AC/DC contact or output supply applications requiring a max contact current of 2A@7000VAC/DC.
DAT71210-HR
Cynergy3 Components DAT71210-HR Reed Relay, SPST 1 FORM A with 3ms operate time and 1000000 cycle electrical life. Ideal for AC/DC applications with max contact ratings of 2A@7000VAC/DC. Features MBB relay action, 4 terminals, and compact size of 60mm x 15.8mm x 18.5mm for through-hole mounting.
HE72-1-C-24-20
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;
KT05-1A-40L-SMD
DRY REED RELAY; Mounting Feature: SURFACE MOUNT-STRAIGHT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Coil Resistance: 80 ohm;
CRR05-1A
DRY REED RELAY; Mounting Feature: SURFACE MOUNT-STRAIGHT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Termination Type: SOLDER;
HE72-1-E-12-30
HM24-1A83-02
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MBB; Relay Function: SPST; Coil or Input Supply Type: DC; Release Time: 1.5 ms;
HM24-1A69-150-UL
H24-1A69
Standex-meder Electronics
H24-1A69 by Standex-Meder Electronics is a SPST Reed Relay with 3ms operate time and waterproof sealing. Ideal for applications requiring momentary relay action, it has a max AC contact current of 3A@10000VAC. With dimensions of 29.1mm x 18mm x 30mm, it is suitable for through-hole-straight mounting.
DAT72410S
DAT72410S by Cynergy3 Components is a 1 FORM A SPST reed relay with an operate time of 3ms and electrical life of 1B cycles. With a coil voltage of 24V, it has a max AC contact current of 2A@7kVAC. Ideal for applications requiring high insulation resistance and reliable switching control in compact spaces.
DAT71210P
Cynergy3 Components DAT71210P is a SPST Reed Relay with 1 FORM A, 3ms operate time, and 1000000000 cycle electrical life. Ideal for applications requiring MBB relay action, it has a coil resistance of 150 ohm and operates at temperatures from -20 to 70 °C.
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;
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.
DBT71210-HR
The Cynergy3 Components DBT71210-HR is a SPST Reed Relay with 2ms operate time and 1000000 cycle electrical life. It has a max AC contact current of 2A@7000VAC, making it suitable for applications requiring high voltage switching in industrial automation systems. With a compact size of 60mm x 15.8mm x 18.5mm, it offers reliable performance in various control and monitoring applications.
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.
9852-05-20
Coto Technology's 9852-05-20 Reed Relay features SPDT function, 1 FORM C form, and operates in 1 ms. With a hermetically sealed body and gold terminal finish, it is ideal for AC/DC applications with max contact ratings of 0.1A@30VAC/30VDC.
JWD-171-17
TE Connectivity
TE Connectivity's JWD-171-17 Reed Relay, 1 FORM B SPST type with 1.5ms operate time and 1000000 cycle electrical life. Ideal for applications requiring momentary relay action, with a max contact DC power rating of 10W@20VDC.
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HE721C0510
Hamlin Electronics Europe
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.
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;
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
Supply Digital Components
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