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; Dielectric Strength Between Open Contacts: 250 Vrms; Body Length/Diameter: 32 mm; Sealing: HERMETICAL;
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$2.239
Other Function Relays HE221A1290 attributes and parameters. Explore more Other Function Relays devices from Littelfuse
Relay Function:
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Contact Maximum DC Rating (R Load):
Contact Maximum DC Power Rating (R Load):
Contact Resistance:
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Input Switching Mechanism:
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Maximum Operating Temperature:
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HE221A1290 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.
1N4148WT
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Silicon Standard
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BAV99
General Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358DR2G
Onsemi
LM358DR2G by Onsemi is a dual operational amplifier with 7000uV max input offset voltage and 70dB nominal CMRR. Ideal for applications requiring low bias current such as sensor interfaces, signal conditioning circuits, and audio amplifiers. Package style: Small Outline, Technology: Bipolar, Unity Gain Bandwidth: 1000 kHz.
2N7002
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Time At Peak Reflow Temperature (s): 40; Minimum DS Breakdown Voltage: 60 V;
LM107H
Intersil
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Nominal Common Mode Reject Ratio: 96 dB;
2N2222A
Asi 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;
Good-ark Electronics
SMBJ18CA
Brightking
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Weitron Technology
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.
DS18B20
Maxim Integrated
DS18B20 by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Commonly used in applications requiring precise temperature monitoring like HVAC systems and industrial automation.
LM317AEMP/NOPB
Texas Instruments
LM317AEMP/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and a max output current of 1.5A. It operates in temperatures ranging from -40°C to 125°C, making it suitable for various applications requiring precise voltage regulation in a compact package.
Fairchild Semiconductor
LM7805CT
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
Rectron
Digitron Semiconductors
LM555CM
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
Lite-on Semiconductor
782XBXM4L-120A
Schneider Electric Sa
Schneider Electric Sa's 782XBXM4L-120A is a DPDT relay with 2 FORM C, AC coil operate voltage of 102V and release voltage of 18V. It has a max AC contact current of 12A@277VAC and is ideal for applications requiring reliable switching in industrial settings.
G2R-1A100AC
Omron
Other Relays; Relay Action: LATCHED; Relay Function: SPST; Coil or Input Supply Type: AC; Contact or Output Supply Type: AC/DC; AC Coil Release Voltage: 30 V;
HE752C2450
Littelfuse
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; PCB Hole Count: 8; Sealing: HERMETICAL; Physical Dimension: 20.19mm x 7.62mm x 7.75mm;
G5A-234P-FC
Other Relays;
32.21.7.024.2000
Finder
Finder 32.21.7.024.2000 relay has SPDT function, 6ms operate time, and 10-inch body width. Ideal for AC/DC applications with 15A@400VAC max contact rating and 24V nominal coil voltage.
HE751A2440
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Termination Type: SOLDER; Body Height: 5.82 mm; PCB Hole Count: 8;
HE751B2410
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Coil Voltage: 46 V; Relay Form: 1 FORM B; Body Height: 7.5 mm;
HE751E2430
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Input Switching Control Type: Random; Body Height: 7.5 mm; Terminal Length: .1181 inch;
G2R-1A-T220AC
Other Relays; Relay Action: LATCHED; Relay Function: SPST; Coil or Input Supply Type: AC; Maximum Operating Temperature: 70 Cel; Nominal Coil Voltage: 220 V;
G8N-112VDC
G7L-2A-T-J80CB-DC6
G9S-2002DC24
HE251A2450
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Physical Dimension: 32.5mm x 10.5mm x 10mm; Maximum DC Coil Voltage: 54 V; Terminal Length: .126 inch;
40.61.9.024.0000
Finder 40.61.9.024.0000 relay features SPDT function, 1 FORM C form, and operates in 7ms with a coil resistance of 900 ohm. Ideal for AC applications with max contact current of 16A@250VAC and release time of 3ms. Measuring at 29mm x 12.4mm x 25mm, it's suitable for various industrial control systems requiring reliable switching capabilities.
BR246D-320B2-28V-023M
Microchip Technology's BR246D-320B2-28V-023M is a DPDT relay with 2 FORM C form factor. It has an operate time of 15ms and can handle up to 4A@115VAC. Ideal for applications requiring fast switching and high electrical life, such as industrial automation and control systems.
G2R-1-E200AC
Other Relays; Relay Action: LATCHED; Relay Function: SPDT; Coil or Input Supply Type: AC; Maximum AC Contact Current: 16 A; Body Length/Diameter: 29 mm;
32.21.7.005.2000
Finder 32.21.7.005.2000 relay has SPDT function, operates at 6ms, and offers 100000 cycles lifespan. With a max AC contact current of 15A@400VAC, it is suitable for AC/DC applications requiring fast switching control in compact spaces with its dimensions of 20mm x 10mm x 10.7mm.
G5PA-1-8-DC5
36.11.9.005.4011
Finder 36.11.9.005.4011 relay has SPDT function, 10ms operate time, and 15A@250VAC max contact AC rating. Ideal for applications requiring reliable switching control in various electrical systems with AC/DC supply types and random input switching control type.
HE221B2490
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Terminal Length: .126 inch; Maximum DC Contact Current: .5 A; Operate Time: 1 ms;
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HE222A0550
Other Relays; Relay Function: DPST; Coil or Input Supply Type: DC; Minimum Operating Temperature: -40 Cel; Insulation Resistance: 10000000000 ohm; Relay Form: 2 FORM A;
HE221B2450
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Coil Resistance: 2770 ohm; Relay Form: 1 FORM B; Maximum Operating Temperature: 85 Cel;
HE221A2450
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Minimum Operating Temperature: -40 Cel; DC Coil Release Voltage: 1.4 V; Dielectric Strength Between Coil & Contacts: 1500 Vrms;
HE221C2450
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Maximum Contact DC Power Rating (R Load): 5W@175VDC; Insulation Resistance: 1000000000 ohm; Body Length/Diameter: 32.5 mm;
HE221C0550
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Coil Resistance: 140 ohm; Maximum Contact DC Rating (R Load): 0.25A@175VDC; Body Height: 10 mm;
HE221B1250
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Contact Current: .5 A; Body Length/Diameter: 32.5 mm; Contact Resistance: 150 mohm;
HE222A0590
Other Relays; Relay Function: DPST; Coil or Input Supply Type: DC; Maximum Operating Temperature: 85 Cel; Maximum DC Contact Voltage: 200 V; Physical Dimension: 32mm x 12.5mm x 9.5mm;
HE221A0590
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum Contact DC Power Rating (R Load): 10W@200VDC; Dielectric Strength Between Open Contacts: 250 Vrms; DC Coil Operate Voltage: 3.5 V;
HE221A2490
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Nominal Coil Voltage: 24 V; Contact Resistance: 150 mohm; Maximum DC Contact Current: .5 A;
HE221C1290
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Sealing: HERMETICAL; Physical Dimension: 32mm x 10mm x 9.5mm; Contact Resistance: 150 mohm;
HE221C0590
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Insulation Resistance: 1000000000 ohm; Nominal Coil Voltage: 5 V; Contact Resistance: 150 mohm;
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;
HE221C2490
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Dielectric Strength Between Open Contacts: 200 Vrms; Physical Dimension: 32mm x 10mm x 9.5mm; Coil Resistance: 3285 ohm;
HE221B1290
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Maximum DC Contact Current: .5 A; Termination Type: SOLDER; Dielectric Strength Between Open Contacts: 250 Vrms;
HE221A0550
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Input Switching Control Type: Random; Maximum Contact DC Rating (R Load): 0.5A@200VDC; Terminal Length: .126 inch;
HE221A1250
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Coil Resistance: 855 ohm; Termination Type: SOLDER; Sealing: HERMETICAL;
HE221B0550
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Body Width: 10.5 inch; Maximum DC Contact Current: .5 A; Contact Resistance: 150 mohm;
HE221C1250
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Body Height: 10 mm; Insulation Resistance: 1000000000 ohm; Physical Dimension: 32.5mm x 10.5mm x 10mm;
Supply Digital Components
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$7.29
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12,000 In-Stock
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