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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
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;
Median Price
-
Lifecycle Status
Suppliers In-Stock
0
In-Stock Inventory
< 1k
Northwest PG Solutions
1+ parts
100+ parts
1k+ parts
10k+ parts
Native Components
Other Function Relays HE721B2440 attributes and parameters. Explore more Other Function Relays devices from Littelfuse
Relay Function:
Relay Form:
Coil Resistance:
Coil Nominal Voltage:
Coil DC Operating Voltage:
Coil Maximum DC Voltage:
Coil DC Release Voltage:
Contact Maximum DC Current:
Contact Maximum DC Voltage:
Contact Maximum DC Rating (R Load):
Contact Maximum DC Power Rating (R Load):
Contact Resistance:
Height:
Length/Diameter:
Widh:
Dimensions:
Terminal Length:
PCB Hole Count:
Input Switching Mechanism:
Terminal Count:
Termination Type:
Minimum Operating Temperature:
Maximum Operating Temperature:
Activation Time:
Release Time:
Coil-Contact Dielectric Strength:
Open Contacts Dielectric Strength:
Insulation Resistance:
Sealing Method:
Coil/Input Supply Voltage Type:
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.
PIC18F4550-I/P
Microchip Technology
PIC18F4550-I/P by Microchip Technology 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 low power consumption and high-speed data processing. With 2048 RAM bytes and 256 Data EEPROM size, this CMOS technology-based microcontroller offers versatile performance in various embedded systems.
C1210C104K5RACTU
KEMET Corporation
KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
1N4148
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
MMBT2907ALT1G
Onsemi
MMBT2907ALT1G by Onsemi is a PNP BJT transistor with 100 min hFE, 60V VCEO, and 200MHz fT. Ideal for switching applications, it has a small outline package with Gull Wing terminals and can handle up to 0.6A of collector current.
BSS138BK,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Peak Reflow Temperature (C): 260; Additional Features: LOGIC LEVEL COMPATIBLE; Maximum Operating Temperature: 150 Cel;
NDT2955
National Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; JESD-609 Code: e0; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
SMBJ18CA
Alpha & Omega Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99-7-F
Multicomp Pro
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
CRG0805F10R
TE Connectivity
TE Connectivity's CRG0805F10R is a 10 ohm fixed resistor with 1% tolerance and 0.125 W power dissipation. It features thick film technology, SMT package style, and matte tin over nickel terminal finish. Ideal for surface mount applications in electronics, offering a temperature coefficient of 200 ppm/°C and operating voltage of 150 V.
Won-top Electronics
LM555CM
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM358N
STMicroelectronics
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM358D-T
NXP Semiconductors
LM358D-T by NXP Semiconductors is a dual operational amplifier with 70dB CMRR, 1000kHz unity gain bandwidth, and 9000uV max input offset voltage. Widely used in commercial applications due to its small outline package and low bias current of 0.5uA.
STM32H753IIK6
STM32H753IIK6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and peripherals like CAN, ETHERNET, and USB. Ideal for industrial applications requiring high-speed processing and extensive connectivity options.
BAV99
Weitron Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Output Current: .215 A; JESD-609 Code: e0; Maximum Forward Voltage (VF): .715 V;
2N7002
Vishay Intertechnology
2N7002 by Vishay Intertechnology is a N-CHANNEL FET with 60V DS Breakdown Voltage, 0.115A Drain Current, and 7.5 ohm On Resistance. Ideal for SWITCHING applications due to its SINGLE configuration with BUILT-IN DIODE. Operates in ENHANCEMENT MODE, suitable for surface mount with GULL WING terminals.
LL4148
Synsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Yangzhou Yangjie Electronics
BSS123-7-F
Diodes Incorporated
BSS123-7-F by Diodes Inc. is a N-channel FET with 100V DS breakdown voltage and 0.17A drain current. Ideal for switching applications, it features a single configuration with built-in diode, operates in enhancement mode, and has a max power dissipation of 0.3W.
G7L-1A-P-JCB-AC6
Omron
Other Relays;
G9S-301DC24
G7L-1A-P-80CB-DC6
G9S-321-T30AC240
55.33.9.024.0000
Finder
Finder 55.33.9.024.0000 is a 3PDT-CO relay with 10ms operate time and MBB action, suitable for AC/DC applications with max contact current of 20A@400VAC. It has a coil resistance of 600 ohm, operates at 24V nominal voltage, and offers quick connect termination for easy installation in various systems.
G7L-2A-B-UB80CB-AC100/120
HE751A0520
Littelfuse
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; No. of Terminals: 8; Relay Form: 1 FORM A; Operate Time: 1 ms;
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-2A-P-J80CB-DC100
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;
G4W-1112P-US-TV8-HP
G7L-1A-T-J80CB-DC48
G7L-1A-T-UB80CB-DC24
MY2N-CRAC100/110
Other Relays; Relay Function: DPDT; Coil or Input Supply Type: AC; Reference Standard: CE; CSA; UL; VDE; No. of Terminals: 8; Terminal Length: .252 inch;
G2RK-1DC100
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CSA; TUV; UL; VDE; Maximum AC Contact Current: 5 A; Maximum DC Contact Voltage: 125 V;
HE221B0590
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Contact DC Power Rating (R Load): 10W@200VDC; Input Switching Control Type: Random; Terminal Length: .126 inch;
KC-D2N-300L
Esterline Technologies
KC-D2N-300L by Esterline Technologies is a 3PDT relay with 3 FORM C configuration, ideal for applications requiring fast operate/release times of 15 ms. With a max AC contact rating of 10A@115VAC and DC coil operate voltage of 18V, it offers reliable performance in various control systems. This hermetically sealed relay has a compact body size of 25.78mm x 25.78mm x 25.65mm and is suitable for both AC/DC supply types due to its versatile contact ratings up to 25A@115VAC and 25A@28VDC.
HE752R2420
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Release Time: 1 ms; Physical Dimension: 19.05mm x 7.24mm x 7.5mm; Input Switching Control Type: Random;
55.13.9.024.0001
Finder 55.13.9.024.0001 relay has 3PDT-CO function, operates at 10ms with MBB action. It supports 20A@400VAC, ideal for AC/DC applications with coil resistance of 600 ohm and solder termination type.
MY4IN1-D2
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
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved