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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ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .25 A; Terminal Shape: WRAPAROUND;
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Fuses 04370.250WRA attributes and parameters. Explore more Fuses devices from Littelfuse
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04370.250WRA Circuit Protection trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.10.00.40
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.
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;
BAV99
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2803ADWG4
Texas Instruments
ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
LM317T
LM317T 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. Operating temperature ranges from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. With a max output current of 1.5A, this through-hole package regulator is ideal for power supply designs where adjustable voltage levels are needed.
LD1117S33CTR
STMicroelectronics
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
2N2222A
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LD1117S33TR
LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
DS18B20Z+T&R
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Body Material: PLASTIC/EPOXY;
LM107H
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Maximum Bias Current (IIB) @25C: .075 uA;
BSS138PS,115
NXP Semiconductors
NXP Semiconductors' BSS138PS,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A max drain current. Ideal for switching applications, it features a 1.6 ohm max on-resistance and operates in enhancement mode. The transistor comes in a small outline package with GULL WING terminals, making it suitable for surface mount designs.
SS14
Forward International Electronics
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; No. of Elements: 1; No. of Phases: 1; Maximum Output Current: 1 A;
SMBJ18CA
Meritek Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Tt Electronics Plc
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Qualification Status: Not Qualified; JESD-30 Code: R-PSFM-T3;
LL4148
Panjit International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
ULN2803A
Allegro MicroSystems
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Maximum Operating Temperature: 85 Cel; Terminal Form: THROUGH-HOLE;
Synsemi
Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
MBRS3200T3G
Onsemi
MBRS3200T3G by Onsemi is a Schottky rectifier diode with a max output current of 3A and a max forward voltage of 0.59V. It operates in temperatures ranging from -65°C to 175°C, making it suitable for power applications. The diode has a peak repetitive reverse voltage of 200V and is designed for surface mount installation in electronic circuits.
Cheng-yi Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99W-7-F
Diodes Incorporated
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.
0453001.MR
Littelfuse
Littelfuse 0453001.MR NANO fuse, rated 1A at 125V AC/DC, with 0.6029J joule integral and 5s trip time. Ideal for circuit protection in electronics due to very fast blow characteristic and compact dimensions of 6.1mm x 2.69mm x 2.69mm. Compliant with CE, CSA, CUL, PSE, TUV, UL standards for various applications.
0313002.MXP
Littelfuse 0313002.MXP is a 2A, 250V time lag fuse with 77J nominal joule integral. It has a trip delay of 5s and rated breaking capacity of 100A. Ideal for circuit protection in applications requiring supplemental fuses with inline mounting features.
TCF60RN
Eaton Corporation
Eaton Corporation's TCF60RN fuse is rated for 600V AC and 300V DC with a 60A current. With time delay blow characteristic, it offers circuit protection in inline/holder mounting applications. Measuring 54.1mm x 25.4mm x 28.58mm, it meets CSA and UL standards for electrical safety.
02153.15MXP
02153.15MXP fuse by Littelfuse is a 3.15A, 250V electric fuse with a time lag blow characteristic. It has a rated breaking capacity of 1500A and nominal joule integral of 43.255J, making it suitable for circuit protection in various applications requiring reliable overcurrent protection.
LPJ-60SP
Cooper Industries
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 60 A; Terminal Shape: END CAP;
0251004.MAT1L
Littelfuse 0251004.MAT1L PICO fuse, rated 125V, 4A with very fast blow characteristic. Ideal for circuit protection in electronics due to its small size (2.8mm x 7.11mm) and high breaking capacity of 50A at -55°C to 125°C operating range. Compliant with CCC, CSA, PSE, QPL, TUV, UL standards for reliable performance.
Eaton Corporation LPJ-60SP fuse, rated 60A at 600V AC/300V DC with J class and time delay blow characteristic. Inline/holder mounting for circuit protection in CE/CSA/UL compliant applications. Dimensions: 27mm x 60.3mm, terminal shape: end cap, breaking capacity: 300kA.
BK/ATC-5
BK/ATC-5 by Eaton Corp is a 32V, 5A fast blow electric fuse with 1000A breaking capacity. Measuring 19.3mm x 5.25mm x 12.5mm, it has tab/blade terminals and UL certification. Ideal for inline mounting in circuits requiring quick 0.1s trip time at -40 to 100°C temperatures.
ATM-30
Cooper Electronic Technologies
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated DC Voltage: 32 V; Rated Current: 30 A; Terminal Shape: TAB/BLADE; Dimensions: 10.92mm x 3.81mm x 8.81mm;
SS-5-4A-AP
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated Current: 4 A; Terminal Shape: PIN WIRE; Minimum Operating Temperature: -40 Cel;
0466001.NRHF
0466001.NRHF by Littelfuse is a 1206 size fuse with 63V rated voltage and 1A current. It offers fast blow characteristic, 0.0423J joule integral, and 0.2s trip time. Ideal for circuit protection in electronics with surface mounting feature.
ATM-5
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated DC Voltage: 32 V; Rated Current: 5 A; Terminal Shape: TAB/BLADE; Additional Features: RATED BREAKING CAPACITY AT 32 VDC: 1000 A;
0453001MR
Littelfuse 0453001MR NANO fuse with 1A current rating and 125V AC/DC voltage. Very fast blow characteristic, 0.459J joule integral, suitable for electric circuit protection in various applications. TR packing method, CSA/PSE/UL standards compliant, surface mountable with wraparound terminals.
37011000000
Littelfuse 37011000000 fuse, rated at 1A and 250V, offers fast blow characteristic with trip time of 0.02s. Ideal for circuit protection in various applications with rated breaking capacity of 35A. Dimensions: 8.5mm x 8mm, suitable for THROUGH HOLE mounting method.
AJT50
Mersen S A
AJT50 fuse by Mersen S A is a 50A time delay electric fuse with a rated AC voltage of 700V and rated DC voltage of 400V. With dimensions of 27mm x 60mm, it features an end cap terminal shape and inline/holder mounting for circuit protection applications requiring a high breaking capacity of 200000A.
ANL-80
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated DC Voltage: 80 V; Rated Current: 80 A; Terminal Shape: END CAP; Reference Standard: CSA; UL;
AGC-10-R
Eaton Corporation's AGC-10-R fuse, rated at 10A and 250V, with a blow characteristic of FAST, is ideal for circuit protection. With dimensions of 6.35x31.75mm and a pre-arcing rating of 0.492 A2/s, it offers reliable performance in inline/holder mounting applications while meeting CSA and UL standards.
8020.0608.H.PT
Schurter Ag
Schurter Ag's 8020.0608.H.PT fuse, rated at 40A and 250V AC, offers a time lag blow characteristic with a nominal joule integral of 5867J. Ideal for circuit protection in applications requiring a through-hole mounting feature and high breaking capacity up to 500A.
SP/LPJ-10SP
Eaton Corporation's SP/LPJ-10SP fuse is a 10A, time delay electric fuse with 600V AC and 300V DC ratings. Featuring silver terminal finish and inline mounting, it has a breaking capacity of 300kA. Ideal for CE, CSA, and UL compliant applications requiring reliable circuit protection.
LP-CC-30
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 30 A; Terminal Shape: END CAP;
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0437001.WR
Littelfuse 0437001.WR is a fast blow fuse with 1A rated current, 63V DC voltage, and 0.1J nominal joule integral. Ideal for circuit protection in electronics, it has a compact size of 1206 and WRAPAROUND terminals. Operating temperature ranges from -55°C to 150°C.
0437.500WR
Littelfuse 0437.500WR is a fast-blow electric fuse with 0.5A rated current and 63V rated voltage, suitable for circuit protection in various applications. With dimensions of 3.2mm x 1.63mm x 0.82mm, it has a trip time of 5s and nominal joule integral of 0.018J, meeting CSA, CUL, and UL standards.
0437.250WR
0437002.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 63 V; Rated DC Voltage: 63 V; Rated Current: 2 A; Terminal Shape: WRAPAROUND;
043701.5WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 63 V; Rated DC Voltage: 63 V; Rated Current: 1.5 A; Terminal Shape: WRAPAROUND;
0437001.WRA
Littelfuse 0437001.WRA fuse, rated at 1A and 63V DC, with fast blow characteristic. Suitable for electric circuit protection in automotive applications. Surface mountable with WRAPAROUND terminals, meeting AEC-Q200, CSA, CUL, and UL standards.
043701.5WRA
0437002.WRA
Littelfuse 0437002.WRA fuse has a rated current of 2A and fast blow characteristic. It is a surface mount type with terminal shape wraparound, suitable for electric circuit protection at temperatures ranging from -55°C to 150°C. Commonly used in automotive electronics due to AEC-Q200, CSA, CUL, and UL certifications.
04371.75WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 63 V; Rated DC Voltage: 63 V; Rated Current: 1.75 A; Terminal Shape: WRAPAROUND;
0437003.WR
Littelfuse 0437003.WR is a 1206 size fuse with 3A rated current and fast blow characteristic. It has a rated voltage of 35V, trip time of 1s, and nominal joule integral of 0.506J. Ideal for circuit protection in applications requiring surface mount fuses with WRAPAROUND terminals.
0437007.WR
Littelfuse 0437007.WR is a fast-acting electric fuse with 5.02J joule integral, rated for 32V AC and 35V DC. It has a trip time of 1s, suitable for circuit protection in various applications requiring a compact 1206 size surface mount fuse with WRAPAROUND terminals.
0437004.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 45 V; Rated DC Voltage: 63 V; Rated Current: 4 A; Terminal Shape: WRAPAROUND;
0437004.WRA
043702.5WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 45 V; Rated DC Voltage: 63 V; Rated Current: 2.5 A; Terminal Shape: WRAPAROUND;
0437005.WR
Littelfuse 0437005.WR fuse, rated 5A and 35V, with fast blow characteristic and trip time of 1s. Ideal for circuit protection in electronics with surface mounting feature. Dimensions: 3.2mm x 1.63mm x 0.82mm, suitable for applications requiring compact size fuses.
043702.5WRA
0437005.WRA
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 45 V; Rated DC Voltage: 63 V; Rated Current: 5 A; Terminal Shape: WRAPAROUND;
0437007.WRA
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 32 V; Rated DC Voltage: 35 V; Rated Current: 7 A; Terminal Shape: WRAPAROUND;
0437001.5WRA
ELECTRIC FUSE;
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