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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Featured manufacturers
0438.250WR by Littelfuse is a fast-acting electric fuse with a rated current of 0.25A and rated voltage of 63V, suitable for circuit protection in various applications. It has a trip time of 14400s, resistance of 2.02Ω, and dimensions of 1.54mm x 0.85mm x 0.5mm, making it ideal for surface mount installations requiring reliable overcurrent protection up to 50A breaking capacity at temperatures ranging from -55°C to 150°C.
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Having a low nominal joule integral means this fuse can quickly respond to overcurrent situations, providing effective protection to the circuit.
The long trip time/delay ensures that the fuse only blows when necessary, preventing unnecessary disruptions to the circuit.
With a rated current of 0.25 A, this fuse is suitable for low current applications, offering precise protection to sensitive components.
The surface mount feature allows for easy installation on PCBs, saving space and providing a clean and efficient circuit layout.
The high maximum operating temperature ensures the fuse can withstand elevated temperatures, making it suitable for a wide range of applications.
Fuses 0438.250WR attributes and parameters. Explore more Fuses devices from Littelfuse
Circuit Protection Type:
Rated Current:
Rated Breaking Capacity:
Rated DC Voltage:
Rated Voltage:
Pre Arcing Rating (A2/s):
Resistance:
Body Diameter:
Body Height:
Body Width:
Dimensions:
Blow Characteristic:
Fuse Size/Group:
Trip Time/Delay:
Nominal Joule Integral:
Minimum Operating Temperature:
Maximum Operating Temperature:
Reference Standard:
JESD-609 Code:
Terminal Shape:
Terminal Finish:
Mounting Feature:
Packing Method:
0438.250WR 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.
M39029/56-351
Itt Cannon
CONNECTOR ACCESSORY; MIL Conformity: YES; Terminal Type: WIRE; IEC Conformity: NO; Alternate Contact Sources: ITT CANNON; Associated Military - Specifications: MIL-C-38999;
1N4148
Compensated Devices
RECTIFIER DIODE; Terminal Position: UPPER; Terminal Form: NO LEAD; No. of Terminals: 1; Surface Mount: YES; Package Shape: SQUARE;
Terry Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V;
MBR0520LT1
Motorola
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Changzhou Starsea Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Positronic Industries
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Body or Shell Style: RECEPTACLE;
2N7002
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
Nexperia
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.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .83 W; JESD-609 Code: e3; Minimum DS Breakdown Voltage: 60 V;
DP83848IVVX/NOPB
National Semiconductor
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 48; Package Code: QFP; Package Shape: SQUARE;
Sinyork
RECTIFIER DIODE; Surface Mount: NO; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Output Current: .15 A; Maximum Repetitive Peak Reverse Voltage: 100 V; No. of Phases: 1;
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.
Bytesonic Electronics
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Forward Voltage (VF): 1 V; Maximum Operating Temperature: 200 Cel; No. of Elements: 1;
1554216002
Molex
WIRE AND CABLE;
LL4148
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
LM317T
Micro Commercial Components
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Moisture Sensitivity Level (MSL): 1; Maximum Output Current-1: 1.5 A; Operating Temperature (TJ-Min): 0 Cel;
ATDR30
Mersen S A
The Mersen S A ATDR30 fuse is a 30A time delay electric fuse with a rated AC voltage of 600V and rated DC voltage of 300V. It has a body length/diameter of 10.4mm, body height of 38.1mm, and blow characteristic suitable for inline/holder mounting applications. This CSA and UL standard compliant fuse offers circuit protection with a high breaking capacity of 200kA.
FWH-30A14F
Eaton Corporation
The Eaton Corporation FWH-30A14F fuse, rated at 30A and 500V AC/DC, offers a high breaking capacity of 200kA. With a compact body size of 14.3mm x 50.8mm, it is ideal for electric circuit protection in various applications requiring reliable performance and compliance with CE, CSA, and UL standards.
AGU40
Littelfuse
Littelfuse AGU40 fuse, rated 40A at 32V AC/DC, with body dimensions of 10.3187mm x 38.1mm. Ideal for circuit protection in applications requiring a 5AG size fuse, featuring END CAP terminals and INLINE/HOLDER mounting.
FNQ-7
Cooper Electronic Technologies
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 500 V; Rated Current: 7 A; Terminal Shape: END CAP; Rated Breaking Capacity: 10000 A;
JJS-40
The Eaton Corporation JJS-40 fuse, with a rated current of 40A and very fast blow characteristic, is ideal for circuit protection in applications requiring a 600V AC voltage. Measuring 20.6mm x 39.7mm, it features an end cap terminal shape and inline/holder mounting feature, meeting CE, CSA, and UL standards for reliable performance with a high breaking capacity of 200kA.
LP-CC-15
Cooper Industries
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 150 V; Rated Current: 15 A; Terminal Shape: END CAP;
3413.0010.22
Schurter Ag
Schurter Ag's 3413.0010.22 fuse is a 3.2x1.6mm surface mount type with very fast blow characteristic, rated at 0.25A and 125V AC/63V DC for electric circuit protection. It has a pre-arcing rating of 0.0032 A2/s, operates b/w -55 to 90°C, and meets CUL; UL standards, suitable for various electronic applications requiring compact and efficient fuse protection.
39214000440
Littelfuse 39214000440 fuse has a Nominal Joule Integral of 126.4 J, Rated AC Voltage of 250 V, and Trip Time of 0.02 sec. It is used for circuit protection in applications requiring a rated current of 4 A and max operating temperature of 125°C.
35NHG000B
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 500 V; Rated DC Voltage: 250 V; Rated Current: 35 A; Terminal Shape: TAB/BLADE;
SR-5-100MA-BK
Eaton Corporation's SR-5-100MA-BK fuse has a rated current of 0.1A and nominal joule integral of 0.015155J, suitable for circuit protection at 250V AC. With a time delay blow characteristic and rated breaking capacity of 35A, it is ideal for applications requiring electric fuse protection in temperatures ranging from -40°C to 125°C.
0216002.MXP
Littelfuse 0216002.MXP fuse, rated at 2A and 250V, offers fast blow characteristic with trip time of 0.02s. Ideal for circuit protection in applications requiring a compact 5x20mm size fuse with nickel terminal finish. Operating temperature range from -55 to 125°C ensures reliable performance in various environments.
LPJ-12SP
LPJ-12SP by Eaton Corporation is a J-class fuse with a rated current of 12A and a rated voltage of 600V. It has a time delay blow characteristic and is suitable for circuit protection in applications such as inline or holder mounting.
FWP-150A
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 700 V; Rated DC Voltage: 700 V; Rated Current: 150 A; Terminal Shape: TAB/BLADE;
KTK-R-10
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 10 A; Terminal Shape: END CAP; Reference Standard: CE; CSA; UL;
0451.125MRL
Littelfuse 0451.125MRL is a NANO fuse with 0.125A rated current and 125V DC/AC voltage. It has a very fast blow characteristic, gold terminal finish, and CSA/UL reference standards. Ideal for electric circuit protection in applications requiring surface mounting feature.
0297002.WXNV
Littelfuse 0297002.WXNV is a MINI fuse with 2A rated current, 32V DC voltage, and 9J nominal joule integral. It has a 0.03s trip time and is ideal for circuit protection in automotive applications due to its compact size and high breaking capacity.
LP-CC-1-1/8
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 1.1 A; Terminal Shape: END CAP;
LP-CC-6/10
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: .6 A; Terminal Shape: END CAP;
ATM30
Mersen S A's ATM30 fuse, rated 30A and 600V, features fast blow characteristic with 100kA breaking capacity. It is a midget size fuse with end cap terminal shape, suitable for electric circuit protection in inline/holder mounting applications.
LP-CC-2-1/4
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 1.25 A; Terminal Shape: END CAP;
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0438001.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated DC Voltage: 32 V; Rated Current: 1 A; Terminal Shape: WRAPAROUND; Rated Breaking Capacity: 50 A;
0438001.WRA
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 32 V; Rated DC Voltage: 63 V; Rated Current: 1 A; Terminal Shape: WRAPAROUND;
0438.750WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated DC Voltage: 32 V; Rated Current: .75 A; Terminal Shape: WRAPAROUND; Fuse Size: 0603;
0438004.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 32 V; Rated Current: 4 A; Terminal Shape: WRAPAROUND;
0438006.WRGT
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 24 V; Rated DC Voltage: 24 V; Rated Current: 6 A; Terminal Shape: WRAPAROUND;
043801.5WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated DC Voltage: 32 V; Rated Current: 1.5 A; Terminal Shape: WRAPAROUND; Reference Standard: CSA; UL;
043802.5WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 32 V; Rated Current: 2.5 A; Terminal Shape: WRAPAROUND;
0438002.WRGT
Littelfuse 0438002.WRGT is a 0603 fuse with 32V rated voltage and 2A current. It has fast blow characteristic, 0.181J joule integral, and trip time of 5s. Ideal for circuit protection in electronics with surface mounting feature.
0438004.WRGT
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 32 V; Rated DC Voltage: 32 V; Rated Current: 4 A; Terminal Shape: WRAPAROUND;
0438005.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 32 V; Rated Current: 5 A; Terminal Shape: WRAPAROUND;
0438006.WRA
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 24 V; Rated Current: 6 A; Terminal Shape: WRAPAROUND;
0438003.WRGT
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 32 V; Rated DC Voltage: 32 V; Rated Current: 3 A; Terminal Shape: WRAPAROUND;
0438008.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated DC Voltage: 24 V; Rated Current: 8 A; Terminal Shape: WRAPAROUND; Nominal Joule Integral: 1.3838 J;
0438002.WRA
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 32 V; Rated Current: 2 A; Terminal Shape: WRAPAROUND;
0438003.WR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 12 V; Rated DC Voltage: 32 V; Rated Current: 3 A; Terminal Shape: WRAPAROUND;
0438005.WRA
0438004.WRA
0438005.WRGT
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 32 V; Rated DC Voltage: 32 V; Rated Current: 5 A; Terminal Shape: WRAPAROUND;
0438002.WR
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