Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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Featured manufacturers
HE721A1200 by Littelfuse is a 1 FORM A SPST Reed Relay with 10W@200VDC power rating. With 1ms operate time, it's hermetically sealed and ideal for AC/DC supply applications. Featuring 12V nominal coil voltage, it offers high insulation resistance of 10000000000 ohm and dielectric strength up to 500 Vrms.
Median Price
$1.236
Lifecycle Status
Suppliers In-Stock
31
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$1.130
100+ parts
$0.856
1k+ parts
$0.801
10k+ parts
-
RS (Exports)
$1.170
Mouser Electronics
$1.610
$1.280
$1.030
$0.940
Arrow
$1.633
$1.303
$1.082
$1.072
RS Americas
$1.660
$1.330
Verical
Master Electronics
$1.139
$0.901
TTI
$1.010
$0.970
$0.930
Nova Conductors
Component Electronics Inc.
$1.920
$1.440
$1.250
Forefront Electronics and Design
$22.050
IBS Electronics
$1.025
$0.950
Vyrian
Bristol Electronics
Dan-Mar Components
Ashlea Components Ltd
BCID Electronics Ltd.
ComSIT Distribution GmbH
ComSIT USA
Holdelec - ElecDif-Pro
PC Components Company LLC
Resion
ACDS - Activité Composants Distribution Service
Kronex Distribution GmbH
Pegasus Components GmbH
Prism Electronics
Digital Electronic Gebert Verwaltungs UG
Flex Direct, LLC
Inventory MP
Semtec, LLC
Electronic Expediters
Semicontronic
$0.960
$0.936
$0.931
Argo Parts USA
$0.982
Continental Prestige Electronics
$0.962
Netroflash
$0.978
$0.958
Allen Electronics Distributors
$1.820
$1.460
Corohmni
$3.088
Aztec Data Supply Inc.
$3.564
Authorized Procurement Solutions
Kepictronics
Perfect Parts
SIE Connect GmbH (Excess)
Allows for simple on/off control, suitable for various applications.
Provides a single pole, single throw configuration for efficient switching.
Offers fast response time, ideal for applications requiring quick switching.
Can handle high power loads, suitable for demanding applications.
Ensures reliable operation and prevents electrical leakage.
Compact size for space-saving installation in different equipment.
Provides protection against contaminants and moisture, ensuring long-term reliability.
Allows for temporary switching, suitable for applications requiring specific timing.
Provides multiple connection points for versatile installation options.
Low profile design for easy integration in tight spaces.
Can withstand high temperatures, suitable for harsh environments.
Efficient coil operation for minimal power consumption.
Can handle moderate current loads for various applications.
Allows for reliable coil de-energization at low voltage levels.
Can operate in low temperature conditions, suitable for a wide range of environments.
Efficient coil operation at a moderate voltage level.
Standard coil voltage for compatibility with different systems.
Offers flexibility in switching control options for diverse applications.
Designed for easy PCB mounting with multiple holes for secure installation.
Suitable for high voltage DC applications, providing versatile switching capabilities.
Compliant with industry standards for safety and performance assurance.
Compatible with both AC and DC supplies for versatile usage.
Can handle AC loads efficiently, suitable for various applications.
Ensures insulation between open contacts, preventing electrical arcing.
Offers reliable switching using dry reed contacts for long-lasting performance.
Provides quick release after switching, ideal for precise control applications.
Efficient coil power consumption for energy savings.
Available in bulk packaging for cost-effective purchasing and stocking options.
Compact and cylindrical design for versatile installation in different systems.
Suitable coil resistance for stable operation and optimal performance.
Ensures insulation between coil and contacts, preventing electrical breakdown.
Can handle high DC current loads, suitable for heavy-duty applications.
Efficiently handles high DC current loads, suitable for demanding applications.
Allows for secure soldered connections, ensuring reliable operation.
Low contact resistance for efficient power transfer and minimal energy loss.
Suitable for moderate AC voltage applications, providing reliable switching capabilities.
Requires DC input supply for operation, suitable for DC-based systems.
Offers easy through-hole installation with straight mounting for secure positioning.
Can operate efficiently at a moderate DC coil voltage level for stable performance.
Standard terminal length for easy connection and installation.
Reed Relays HE721A1200 attributes and parameters. Explore more Reed Relays devices from Littelfuse
Relay Type:
Relay Action:
Relay Function:
Relay Form:
Input Switching Method:
Contact Maximum DC Current:
Contact Maximum DC Voltage:
Contact Maximum DC Rating (R Load):
Contact Resistance:
Coil Maximum DC Voltage:
Contact Maximum AC Current:
Contact Maximum AC Voltage:
Contact Maximum AC Rating (R Load):
Contact Maximum DC Power Rating (R Load):
Coil Resistance:
Coil/Input Supply Type:
Coil Maximum DC Current:
Coil DC Operate Voltage:
Coil DC Release Voltage:
Coil Power:
Coil Nominal Voltage:
Termination Type:
Activation Time:
Release Time:
Minimum Operating Temperature:
Maximum Operating Temperature:
Coil-Contacts Dielectric Strength:
Open Contacts Dielectric Strength:
Insulation Resistance:
Width:
Height:
Length/Diameter:
PCB Hole Count:
Terminal Count:
Terminal Length:
Mounting Type:
Packing Method:
Sealing Type:
Industry Standard Compliance:
HE721A1200 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
NSN
5945-21-897-0160, 5945218970160
NIIN
218970160
PCN Packaging - Reed Relay Packaging 05/Apr/2019 Multiple Devices Packaging/Quantity 05/Jun/2020
Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.
2N2222A
Hi-tron 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;
SMBJ18CA
Semtech
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Baneasa S A
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM555CN
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
C0805C104K5RACTU
KEMET Corporation
KEMET C0805C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and reliable performance.
1N4148WS
Vishay Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Nte Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .115 A; No. of Terminals: 3;
Hitano Enterprise
LM7805CT
Texas Instruments
LM7805CT by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a dropout voltage of 2V, and offers excellent line/load regulation for various electronic applications.
AT90CAN128-16AUR
Microchip Technology
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
MMBT2222ALT1G
Onsemi
MMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, max power dissipation of 0.3W, and hFE of 75. Ideal for switching applications, it operates b/w -55 to 150 °C with a max collector-emitter voltage of 40V. This surface-mount device has a transition frequency of 300MHz and turn-on time of 35ns.
SS14
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Sangdest Microelectronics (Nanjing)
MMBF170LT1G
MMBF170LT1G by Onsemi is a N-CHANNEL FET with 60V DS Breakdown Voltage and 0.5A Drain Current. Ideal for SWITCHING applications, it operates in ENHANCEMENT MODE with a max power dissipation of 0.225W. This small outline transistor has a temperature range from -55 to 150 °C.
ST3485EBDR
STMicroelectronics
ST3485EBDR by STMicroelectronics is a Line Driver & Receiver with 3.3V power supply, EIA-422/EIA-485 interface standard, and 30ns max transmit delay. It is ideal for industrial applications requiring differential output and operates in temperatures ranging from -40 to 85°C.
LAN8720A-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: OTHER; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
Formosa Microsemi
DIP12-1A72-12L
Standex-meder Electronics
DIP12-1A72-12L by Standex-Meder Electronics is a 1 FORM A SPST reed relay with 0.5ms operate time and 1000000000 cycle electrical life. Ideal for AC/DC supply switching applications, it has a coil resistance of 1100 ohm, operates at -20 to 70 °C, and has a max contact rating of 0.5A@200VAC/DC.
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.
9201-05-00
Coto Technology
Coto Technology 9201-05-00 is a SPST Reed Relay with 0.4ms operate time, 1000000000 cycle electrical life, and hermetically sealed sealing. Ideal for applications requiring fast switching speed and long lifespan in environments with high insulation resistance requirements.
HE72-1-E-12-10
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;
DIP05-1C90-51L
Meder Electronic Ag
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Reference Standard: UL;
HE72-2-A-05-30
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;
HE721C0510
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.
HE72-2-A-24-40
HE72-1-A-12-40
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;
HE222C0680
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: DPDT; Maximum DC Contact Current: .25 A; Termination Type: SOLDER;
HE721C2450
DAT70510U
Cynergy3 Components
DAT70510U by Cynergy3 Components is a SPST reed relay with an operate time of 3 ms and electrical life of 1,000,000 cycles. It has a max DC contact voltage of 7000 V and is suitable for AC/DC applications.
HE72-1-B-24-10
HE3621A1240
9852-05-00
Coto Technology's 9852-05-00 Reed Relay is a SPDT type with 1 FORM C form, operating at 1ms. With hermetically sealed sealing and gold terminal finish, it has an electrical life of 100M cycles. Ideal for applications requiring momentary relay action in AC/DC contact supply types.
3-1393763-4
Tyco Electronics Cii
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;
HE721C0500
Hamlin Electronics Europe
HE3621A2450
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.
HE722A1250
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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;
HE721A1200
HE721A0500
HE721A0510
HE721C2400
HE721C1210
HE721C1210 by Littelfuse is a SPDT 1 FORM C reed relay with 3ms operate time. With hermetically sealed body, it has 12V nominal coil voltage and operates at -40 to 85°C. Ideal for applications requiring momentary relay action in DC circuits up to 175V.
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Current: .25 A;
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
HE721A1210
DRY REED RELAY; Mounting Feature: THROUGH HOLE-STRAIGHT MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Terminal Length: .1181 inch;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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