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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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;
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Other Function Relays HE721B2440 attributes and parameters. Explore more Other Function Relays devices from Littelfuse
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HE721B2440 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.
AH180-WG-7
Diodes Incorporated
AH180-WG-7 by Diodes Inc. is a magnetic field sensor with 1.5mT hysteresis, 0.30V output range, and 9mA max operating current. Ideal for applications requiring non-inverting analog voltage output in a compact rectangular package suitable for surface mount installations.
1N4148
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803A
STMicroelectronics
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; No. of Elements: 8; Minimum DC Current Gain (hFE): 1000;
2N7002
Motorola
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Body Material: PLASTIC/EPOXY; Qualification: Not Qualified; Minimum Operating Temperature: -55 Cel;
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;
1N4148WS
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
International Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Diotec Semiconductor Ag
BSS138BK,215
NXP Semiconductors
NXP Semiconductors' BSS138BK,215 is a N-CHANNEL FET with 0.36A max drain current and 0.42W power dissipation. Ideal for applications requiring single configuration and surface mount technology, such as enhancement mode operation in temperatures up to 150°C.
BAV99
MICRODIODE ELECTRONICS SHENZHEN CO LTD
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
NE555D
Philips Semiconductors
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
4554
Jw Miller Magnetics
Other Semiconductors;
PIC18F4550-I/ML
Microchip Technology
The Microchip Technology PIC18F4550-I/ML is an 8-bit microcontroller with a max clock frequency of 48 MHz. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it ideal for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this chip offers efficient performance in compact designs.
LL4148GS08
Temic Semiconductors
LL4148GS08 by Temic Semiconductors is a glass diode with a max reverse recovery time of 0.008 us and max forward voltage of 1 V. It is a rectifier diode with a max output current of 0.15 A, ideal for applications requiring fast switching speeds and low power dissipation in electronic circuits.
2N2222A
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
1N4148WT
Tak Cheong Electronics Holdings
Promax-johnton
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Terminal Form: GULL WING; Maximum Drain-Source On Resistance: 7.5 ohm; Minimum DS Breakdown Voltage: 60 V;
BSS138NH6327XTSA2
Infineon Technologies
BSS138NH6327XTSA2 by Infineon is a N-CHANNEL FET with 60V DS Breakdown Voltage, ideal for small signal applications. Operating in Enhancement Mode, it has 0.36W Power Dissipation and 3.5 ohm Drain-Source Resistance. With Gull Wing terminals and AEC-Q101 reference standard, it's suitable for automotive electronics due to its high temperature range of -55 to 150 °C.
MBR0520LT1G
MBR0520LT1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, has a peak reflow temperature of 260°C, and a repetitive peak reverse voltage of 20V. This diode is ideal for applications requiring high-speed switching in compact electronic devices.
G7L-2A-B-UB80CB-AC50
Omron
Other Relays;
SIF42224VDC
Elesta
Elesta SIF42224VDC relay features 6PST function, 20ms operate time, and 100000 cycle electrical life. With latched action and gold plating, it's ideal for AC/DC supply switching applications. Compact at 53.6mm x 33.5mm x 10.9mm, this DC coil relay operates at a nominal voltage of 24V with TUV and UL certifications.
MY2IN-CR
SIS21224VDC
Elesta SIS21224VDC relay features 3PST function, 10ms operate time, and 90000 cycles electrical life. With a body width of 16.6in and DC coil voltage of 24V, it's ideal for AC/DC contact or output supply applications requiring fast switching control in compact spaces.
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.
HE751C1210
Littelfuse
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Coil Resistance: 1000 ohm; Termination Type: SOLDER; Maximum DC Coil Voltage: 31 V;
HE222A1250
Other Relays; Relay Function: DPST; Coil or Input Supply Type: DC; DC Coil Release Voltage: .65 V; Sealing: HERMETICAL; Maximum Contact DC Rating (R Load): 0.5A@200VDC;
G7L-2A-B-80CB-AC24
G2R-1-E50AC
Other Relays; Relay Action: LATCHED; Relay Function: SPDT; Coil or Input Supply Type: AC; Maximum Contact AC Rating (R Load): 16A@250VAC; Physical Dimension: 29mm x 13mm x 25.5mm;
MJN2CF-IN-AC12
HE752R2410
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Release Time: 1 ms; Maximum DC Coil Voltage: 46 V; Operate Time: 1 ms;
LY2Z-D
HE751E0500
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Physical Dimension: 19.05mm x 7.24mm x 7.5mm; Sealing: HERMETICAL; Operate Time: 1 ms;
KC-D4N-300L
Leach International
Other Relays; Relay Function: 3PDT; Coil or Input Supply Type: DC; Weight: 85 g; Terminal Length: .2677 inch; Maximum DC Contact Current: 25 A;
HE222C2450
Other Relays; Relay Function: DPDT; Coil or Input Supply Type: DC; Coil Resistance: 1350 ohm; Nominal Coil Voltage: 24 V; Body Width: 15.5 inch;
MJN1CF-IN-AC120
ORWH-SH-105D1F,000
TE Connectivity
TE Connectivity's ORWH-SH-105D1F,000 is a SPST relay with 10ms operate time and 1000000000 ohm insulation resistance. Ideal for power/signal applications, it has a sealed body, operates at 5V DC coil voltage, and can handle up to 15A AC/DC contact current.
G5AK-237P
LY2S
G7L-2A-P-UB80CB-DC24
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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;
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;
HE721B1230
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Body Width: 7.24 inch; Termination Type: SOLDER; Coil Resistance: 1000 ohm;
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;
HE721B2410
Hamlin Electronics Europe
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Contact Current: .5 A; Maximum Operating Temperature: 85 Cel; Contact Resistance: 150 mohm;
Supply Digital Components
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12,000 In-Stock
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