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; Terminal Length: .126 inch; Maximum DC Contact Current: .5 A; Operate Time: 1 ms;
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Other Function Relays HE221B2490 attributes and parameters. Explore more Other Function Relays devices from Littelfuse
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Contact Maximum DC Power Rating (R Load):
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HE221B2490 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.
OHN3140U
Optek Technology
MAGNETIC FIELD SENSOR,HALL EFFECT; Mounting Feature: THROUGH HOLE MOUNT; No. of Terminals: 3; Output Type: ANALOG CURRENT; Package Shape or Style: RECTANGULAR; Output Range: 25mA;
NE555D
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM555CN
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LL4148-GS08
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
LL4148
Synsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148WT
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
STM32F405RGT6TR
STMicroelectronics
STM32F405RGT6TR by STMicroelectronics is a 32-bit microcontroller with 64 terminals, operating at a max frequency of 26 MHz. It features DAC and ADC channels, along with DMA support. Ideal for industrial applications requiring low power consumption and high-speed processing capabilities.
BAV99
Philips Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LAN8720AI-CP-TR
Microchip Technology
LAN8720AI-CP-TR by Microchip is an Ethernet transceiver with 100 Mbps data rate, operating at -40 to 85 °C. It features a 3.3 V supply voltage, 54 mA supply current, and TS 16949 screening level. Ideal for network interfaces in industrial applications due to its compact square package and low profile design.
Diodes Incorporated
SMBJ18CA
Microsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
IRLML6402TRPBF
International Rectifier
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.3 W; Peak Reflow Temperature (C): 260; Package Style (Meter): SMALL OUTLINE;
MBRS130LT3G
Onsemi
MBRS130LT3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.445V. It operates b/w -65 to 125°C, has a reverse test voltage of 30V, and is ideal for power applications due to its small outline package style.
LM317T/NOPB
Texas Instruments
LM317T/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount with three terminals for easy installation.
1N4148
Leshan Radio
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Allegro MicroSystems
RECTIFIER DIODE; Terminal Position: END; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
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.
NDT2955
NDT2955 by Onsemi is a P-CHANNEL FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features a max IDM of 15A and EAS of 174mJ, suitable for ENHANCEMENT MODE operation. With a compact SMALL OUTLINE package and -55 to 150 °C operating range, it offers efficient power dissipation up to 3W.
2N7002
Unisonic Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Package Body Material: PLASTIC/EPOXY; Package Shape: RECTANGULAR;
Bytesonic Electronics
LY2
Omron
Other Relays;
G2R-1A4-ZDC5
Other Relays; Relay Action: LATCHED; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CSA; TUV; UL; VDE; Input Switching Control Type: Random;
UD2-12SNUN
World Products
Other Relays; Relay Action: LATCHED; Relay Function: DPDT; Coil or Input Supply Type: DC; Reference Standard: CSA; TUV; UL; Input Switching Control Type: Random;
HE751C1220
Littelfuse
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Body Height: 7.5 mm; Nominal Coil Voltage: 12 V; Maximum DC Coil Voltage: 31 V;
UD2-5NU-L
Renesas Electronics
Other Relays; Relay Action: LATCHED; Relay Function: DPDT; Coil or Input Supply Type: DC; Reference Standard: CSA; TUV; UL; No. of Terminals: 8;
55.33.8.240.0000
Finder
Finder 55.33.8.240.0000 is a 3PDT-CO relay with AC coil voltage of 240V, operating at -40 to 85 °C, and supporting max contact current of 20A@400VAC. Ideal for applications requiring reliable switching in industrial machinery and automation systems due to its MBB action and quick connect termination type.
G5S-1A-CB-DC18
55.33.8.230.0010
Finder 55.33.8.230.0010 is a 3PDT-CO relay with 184V AC coil voltage, 20A@400VAC contact rating, and 10ms operate time. Ideal for applications requiring reliable switching in industrial machinery, HVAC systems, and power distribution units due to its high electrical life and quick release time.
G2R-2A4220AC
Other Relays; Relay Action: LATCHED; Relay Function: DPST; Coil or Input Supply Type: AC; Body Height: 25.5 mm; End Contact Material: Silver Alloy;
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.
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;
G5NB-1A4-DC24V
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: CSA; UL; VDE; Weight: 4 g; Operate Time: 10 ms;
HE752B1230
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Operate Time: 1 ms; Terminal Length: .1181 inch; Physical Dimension: 19.05mm x 7.24mm x 7.5mm;
HE752A2400
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Physical Dimension: 19.05mm x 7.24mm x 7.5mm; DC Coil Release Voltage: 2 V; Terminal Length: .1181 inch;
X-D2N-300M
Esterline Technologies
X-D2N-300M by Esterline Technologies is a DPDT relay with 2 FORM C form factor. It operates at 4ms and has a max contact rating of 3A@115VAC. With hermetical sealing, it's ideal for applications requiring high reliability in harsh environments.
X-D4N-300M
X-D4N-300M by Esterline Technologies is a DPDT relay with 2 FORM C form factor. It operates at 4ms and has a max contact rating of 3A@115VAC. With hermetical sealing, it's ideal for applications requiring reliable switching in harsh environments.
HE722C0530
Other Relays; Relay Function: SPDT; Coil or Input Supply Type: DC; Terminal Length: .1181 inch; Termination Type: SOLDER; Input Switching Control Type: Random;
G6SK-22-DC12
HE751A2430
Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; Release Time: 1 ms; Relay Form: 1 FORM A; Minimum Operating Temperature: -20 Cel;
55.34.9.024.0000
Finder 55.34.9.024.0000 relay features 4PDT-CO function, MBB action, and 11ms operate time. With 150k cycles electrical life, it's ideal for AC/DC applications requiring 15A@250VAC contact rating in a compact body of 27.7mm x 20.7mm x 37.2mm.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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;
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;
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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