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
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Body Width: 7.24 inch; Termination Type: SOLDER; Coil Resistance: 1000 ohm;
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1+ parts
$104.125
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1k+ parts
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$99.960
Northwest PG Solutions
$114.538
Other Function Relays HE721B1230 attributes and parameters. Explore more Other Function Relays devices from Littelfuse
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HE721B1230 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.49.00.50
SB
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.
M39029/56-351
Carlisle Interconnect Technologies
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
BAV99
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
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.
EU2B-YS3103F
Idec
ROTARY SWITCH;
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): .715 V; Maximum Operating Temperature: 150 Cel; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .2 A;
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
ULN2803A
Texas Instruments
ULN2803A by Texas Instruments is a peripheral driver with 8 functions. It has a max supply voltage of 3V and can operate in temperatures ranging from -40 to 85°C. This IC is commonly used as a buffer or inverter based peripheral driver for various applications.
261
Deltrol Controls
Other Relays;
2N7002
Sinyork
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Operating Temperature: 85 Cel; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Operating Mode: ENHANCEMENT MODE;
1N4148WS
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Promax-johnton
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Transys Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 60 V; Maximum Operating Temperature: 150 Cel;
1N4148
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM555CN
Intersil
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
FDN5618P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Transistor Element Material: SILICON; Moisture Sensitivity Level (MSL): 1;
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;
Pro-an Electronic
Diodes Incorporated
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
STM32F103C8T6
STMicroelectronics
STM32F103C8T6 by STMicroelectronics is a 32-bit microcontroller with 48 terminals, operating at up to 16 MHz. It features 10-Ch 12-Bit ADC channels and 7 DMA channels, suitable for industrial applications requiring low power consumption and high-speed connectivity via CAN, I2C(2), SPI(2), USART(3), USB.
55.33.8.024.0000
Finder
Finder 55.33.8.024.0000 is a 3PDT-CO relay with 3 FORM C form, ideal for AC/DC applications. It operates at 24V with a coil resistance of 190 ohm and can handle up to 20A@400VAC current, making it suitable for high-power systems requiring quick switching capabilities in various industries.
HE421C1250
Littelfuse
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Body Length/Diameter: 30 mm; Operate Time: 3 ms; Maximum Operating Temperature: 85 Cel;
50.12.9.012.1000
Finder 50.12.9.012.1000 relay features DPDT function, 10ms operate time, and 100000 cycles electrical life. Ideal for applications requiring latched relay action with 8 terminals, operating at -40 to 70°C temperature range and handling up to 15A@400VAC loads efficiently.
MY2ZDC100/110
Omron
Other Relays; Relay Function: DPDT; Coil or Input Supply Type: DC; Reference Standard: CE; CSA; UL; VDE; Maximum Contact DC Rating (R Load): 5A@125VDC; End Contact Plating: GOLD;
HE751B2420
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; DC Coil Operate Voltage: 16 V; Nominal Coil Voltage: 24 V; Termination Type: SOLDER;
HE221A1290
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Dielectric Strength Between Open Contacts: 250 Vrms; Body Length/Diameter: 32 mm; Sealing: HERMETICAL;
G5S-1A-CB-V-DC48
G7L-1A-T-UB80CB-AC100/120
G2R-1A-T24AC
Other Relays; Relay Action: LATCHED; Relay Function: SPST; Coil or Input Supply Type: AC; Dielectric Strength Between Coil & Contacts: 5000 Vrms; AC Coil Operate Voltage: 19.2 V;
HE752C1240
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Release Time: 3 ms; PCB Hole Count: 8; Maximum Operating Temperature: 85 Cel;
389FXBXC1-120A
Schneider Electric Sa
Schneider Electric Sa's 389FXBXC1-120A is a DPDT relay with 2 FORM C, 20ms operate time, and 50000 cycles electrical life. It has a max AC contact current of 25A@300VAC and is ideal for applications requiring reliable switching in industrial control systems.
V23232-D0001-X001
TE Connectivity
TE Connectivity's V23232-D0001-X001 relay is a 1 FORM A SPST latched relay with 7ms operate time and 100,000 cycles electrical life. With a coil resistance of 46 ohm and max contact rating of 50A@12VDC, it is ideal for DC applications requiring high current switching in automotive or industrial control systems.
HE752R0540
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; No. of Terminals: 8; DC Coil Operate Voltage: 3.75 V; Physical Dimension: 20.19mm x 7.62mm x 7.75mm;
HE752B0550
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Sealing: HERMETICAL; Nominal Coil Voltage: 5 V; Minimum Operating Temperature: -40 Cel;
G7L-1A-P-UBJCB-DC6
HE751A1210
Hamlin Electronics Europe
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Release Time: 1 ms; Relay Form: 1 FORM A; Input Switching Control Type: Random;
UD2-12SNU-L
World Products
Other Relays; Relay Action: LATCHED; Relay Function: DPDT; Coil or Input Supply Type: DC; Reference Standard: CSA; TUV; UL; Maximum AC Contact Current: 1 A;
MJN2CF-IN-DC12
AZ755-1C-5DF
American Zettler
AZ755-1C-5DF by American Zettler is a SPDT relay with 15ms operate time. It has 100000 cycle electrical life, 480W@150VDC power rating, and 20A@380VAC contact current. Ideal for AC/DC applications, it features latched action and operates b/w -40 to 90 °C temperatures.
G5Q-1A4-DC12V
Omron G5Q-1A4-DC12V is a 12V SPST relay with 10ms operate time and 100000 cycles electrical life. LATCHED action, suitable for AC/DC applications, with 10A@277VAC max contact rating. Ideal for random input switching control in various electronic devices due to its compact size and high insulation resistance of 1G ohm.
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HE721E2450
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Current: .25 A; DC Coil Operate Voltage: 16 V; Coil Resistance: 2000 ohm;
HE721B2440
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Contact Resistance: 150 mohm; DC Coil Release Voltage: 2 V; Insulation Resistance: 10000000000 ohm;
HE721B1220
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Contact Voltage: 200 V; Input Switching Control Type: Random; Maximum Contact DC Power Rating (R Load): 10W@200VDC;
HE721E2410
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Contact Resistance: 200 mohm; PCB Hole Count: 4; Termination Type: SOLDER;
HE721E0540
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Current: .25 A; No. of Terminals: 4; Maximum Contact DC Power Rating (R Load): 5W@175VDC;
HE721B2420
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Insulation Resistance: 10000000000 ohm; Release Time: 1 ms; Maximum Contact DC Power Rating (R Load): 10W@200VDC;
HE722A0530
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Body Length/Diameter: 19.05 mm; Maximum Contact DC Power Rating (R Load): 10W@200VDC; DC Coil Release Voltage: .5 V;
HE721B0540
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Coil Resistance: 500 ohm; Physical Dimension: 20.19mm x 7.62mm x 7.75mm; Maximum Contact DC Rating (R Load): 0.5A@200VDC;
HE721B2450
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Dielectric Strength Between Open Contacts: 250 Vrms; Body Width: 7.62 inch; Relay Form: 1 FORM B;
HE721E1250
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Dielectric Strength Between Open Contacts: 200 Vrms; Insulation Resistance: 1000000000 ohm; Maximum Contact DC Rating (R Load): 0.25A@175VDC;
HE721E0550
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Physical Dimension: 20.19mm x 7.62mm x 7.75mm; Maximum Contact DC Rating (R Load): 0.25A@175VDC; Nominal Coil Voltage: 5 V;
HE721B1250
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Relay Form: 1 FORM B; Maximum DC Contact Voltage: 200 V; Maximum Contact DC Rating (R Load): 0.5A@200VDC;
HE721E2440
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum DC Contact Voltage: 175 V; Maximum Contact DC Rating (R Load): 0.25A@175VDC; Terminal Length: .1181 inch;
HE721B1210
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Nominal Coil Voltage: 12 V; Dielectric Strength Between Open Contacts: 250 Vrms; Maximum DC Coil Voltage: 14 V;
HE721B2430
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; DC Coil Release Voltage: 2 V; Termination Type: SOLDER; Coil Resistance: 2150 ohm;
HE721B0520
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Release Time: 1 ms; Dielectric Strength Between Coil & Contacts: 500 Vrms; Coil Resistance: 500 ohm;
HE721B0550
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Coil Voltage: 6.5 V; Contact Resistance: 150 mohm; PCB Hole Count: 4;
HE721B1240
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Contact Resistance: 150 mohm; Body Width: 7.62 inch; Coil Resistance: 1000 ohm;
HE721E1240
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Nominal Coil Voltage: 12 V; Termination Type: SOLDER; Operate Time: 1 ms;
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Contact DC Rating (R Load): 0.5A@200VDC; Body Length/Diameter: 20.19 mm; Maximum Contact DC Power Rating (R Load): 10W@200VDC;
Supply Digital Components
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