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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Littelfuse 0242.250UAT1 fuse: Rated 0.25A, 250V AC/DC with trip delay of 14400s. Dimensions 3.02mm x 8.4mm for circuit protection in UL standard applications at -40 to 125°C temp range.
Median Price
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Distrelec
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Farnell
$4.610
$2.730
$2.380
Mouser Electronics
$7.410
$4.350
$3.500
Element14
$7.740
$4.750
$4.290
Newark
$8.080
$5.670
$4.710
$4.430
DigiKey
$3.055
IBS Electronics
$4.399
$2.256
NAC Semi
$5.640
ACDS - Activité Composants Distribution Service
Nova Conductors
VNN
Ampacity Inc.
$0.890
Continental Prestige Electronics
$4.130
$2.580
$1.850
Aztec Data Supply Inc.
$14.028
Neutron USA
$29.990
Perfect Parts
Glotronic Ltd.
Argo Parts USA
Aranea Global
Authorized Procurement Solutions
This fuse has a low energy dissipation, which means it is efficient in protecting the circuit from power surges.
Suitable for use in most household and industrial applications where 250V AC voltage is common.
This long trip time allows the fuse to provide reliable protection against overcurrents without false blowing due to temporary spikes.
Compact size makes it suitable for use in tight spaces or on PCBs where space is limited.
The rated current of 0.25A makes it suitable for low-power applications and circuits that require precise protection.
Can operate under high temperatures, ensuring reliability in various environmental conditions.
The through-hole mounting feature makes it easy to install and replace in circuit boards.
Fuses 0242.250UAT1 attributes and parameters. Explore more Fuses devices from Littelfuse
Circuit Protection Type:
Rated Current:
Rated Breaking Capacity:
Rated AC Voltage:
Rated DC Voltage:
Rated Voltage:
Pre Arcing Rating (A2/s):
Body Diameter:
Body Height:
Dimensions:
Trip Time/Delay:
Additional Features:
Nominal Joule Integral:
Minimum Operating Temperature:
Maximum Operating Temperature:
Reference Standard:
JESD-609 Code:
Terminal Shape:
Terminal Finish:
Mounting Feature:
Packing Method:
0242.250UAT1 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.
BSS123,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Moisture Sensitivity Level (MSL): 1; No. of Terminals: 3; Maximum Time At Peak Reflow Temperature (s): 30;
SS14
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: NO LEAD; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS138W-7-F
Diodes Incorporated
Diodes Inc.'s BSS138W-7-F is a N-channel FET with 50V DS breakdown voltage, ideal for switching applications. It features single configuration with built-in diode, Gull Wing terminals, and operates in enhancement mode. With 0.2A max drain current and 3.5 ohm RDS(on), it's UL recognized and suitable for small outline packages at temperatures ranging from -55 to 150°C.
FDC5614P
MSKSEMI SEMICONDUCTOR
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 2 W; Transistor Element Material: SILICON; Minimum DS Breakdown Voltage: 60 V;
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS138
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Minimum DS Breakdown Voltage: 50 V; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
1N4148
North American Philips Discrete Products Div
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V; Terminal Finish: Tin/Lead (Sn/Pb);
261
Deltrol Controls
Other Relays;
EU2B-YS303C
Idec
ROTARY SWITCH;
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3 ohm; Minimum DS Breakdown Voltage: 50 V; Terminal Form: GULL WING;
CSNF651
Honeywell Sensing And Control
CSNF651 by Honeywell Sensing And Control is an industrial-grade analog circuit with 3 terminals. It operates b/w -40 to 85°C, supporting supply voltages from -15V to 15V. Ideal for applications requiring a special shape rectangular package style and through-hole terminal form.
2N2222A
Digitron 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;
Grande Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
E8WSDC12-32.768KTR
Abracon
Abracon's E8WSDC12-32.768KTR crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and communication systems.
BAV99
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Supertex
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Maximum Feedback Capacitance (Crss): 5 pF;
LM317T
National Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Package Shape: RECTANGULAR; Minimum Input-Output Voltage Differential: 3 V;
Rectron
DRV5053VAQLPG
Texas Instruments
Texas Instruments DRV5053VAQLPG is a magnetic field sensor with 2.5-38V supply voltage range, -40 to 125°C operating temperature, and 0-2V output. Ideal for applications requiring Hall effect sensors like automotive, industrial automation, and robotics due to its compact size (1.52" x 4mm) and high output current capability of 2.3A.
LPJ-60SP
Cooper Electronic Technologies
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 60 A; Terminal Shape: END CAP;
FRN-R-3.5
Eaton Corporation
Eaton Corporation's FRN-R-3.5 fuse is a 35A, time delay RK5 class electric fuse with a rated AC voltage of 250V and rated breaking capacity of 200kA. It is commonly used for circuit protection in applications requiring inline or holder mounting, such as CE, CSA, and UL reference standards.
JJS-40
Cooper Industries
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 40 A; Terminal Shape: END CAP; Dimensions: 20.6mm x 39.7mm;
ATDR20
Mersen S A
ATDR20 by Mersen S A is a 20A time delay electric fuse with 600V AC and 300V DC ratings. Featuring a body size of 10.4mm x 38.1mm, it has an END CAP terminal shape and inline/holder mounting for circuit protection in various applications meeting CSA and UL standards.
SC-40
Eaton Corporation's SC-40 fuse, rated at 40A and 480V, features a G class with fast and time delay blow characteristic. With a rated breaking capacity of 100kA, it is ideal for electric circuit protection in applications requiring inline mounting or holder installation. Compliant with CSA and UL standards, the fuse comes in a box packing method.
KTK-R-25
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 25 A; Terminal Shape: END CAP; Body Height: 38.1 mm;
FNQ-R-1-1/2
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 1.5 A; Terminal Shape: END CAP; Fuse Class: Supplemental;
FNQ-R-2-1/2
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 2.5 A; Terminal Shape: END CAP; Manufacturer Series: FNQ-R;
BK/ATC-10
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 32 V; Rated DC Voltage: 32 V; Rated Current: 10 A; Terminal Shape: TAB/BLADE;
170M3744
The Eaton Corporation 170M3744 fuse offers 5150J nominal joule integral and 1300V rated AC/DC voltage for circuit protection. With a rated current of 200A and breaking capacity of 100kA, it is ideal for inline mounting in various applications requiring high-level electrical protection.
KTK-12
The Eaton Corporation's KTK-12 fuse has a rated voltage of 600V and a rated current of 12A, with fast blow characteristic. It is an electric fuse with dimensions of 10.3mm x 38.1mm, suitable for circuit protection in various applications meeting CSA and UL standards.
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.
0297004.WXNV
Littelfuse
Littelfuse 0297004.WXNV is a MINI fuse with 4A rated current, 31J nominal joule integral, and 0.03s trip time. It is used for circuit protection in applications requiring a 32V rated voltage, such as automotive electronics and power distribution systems.
0259001.T
Littelfuse 0259001.T PICO fuse with 1A rated current, 125V AC/DC voltage, and fast blow characteristic. Ideal for circuit protection in electronics with -55 to 125°C operating temperature range. Measuring 13mm length and 8mm height, it has a rated breaking capacity of 50A.
0251015.MXL
Littelfuse 0251015.MXL is a PICO fuse with 15A rated current, 32V DC voltage, and very fast blow characteristic. Ideal for electric circuit protection in applications requiring a supplemental fuse class with dimensions of 2.8mm x 7.11mm.
FNA-10
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 125 V; Rated Current: 10 A; Terminal Shape: END CAP; Rated Breaking Capacity: 10000 A;
DMM-B-44/100
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 1000 V; Rated DC Voltage: 1000 V; Rated Current: .44 A; Terminal Shape: END CAP;
0298450ZXH
Littelfuse 0298450ZXH is a bulk fuse with dimensions of 29.21mm x 19.05mm x 10.67mm, rated for 450A current and 32V DC voltage. It has a silver terminal finish, TAB/BLADE shape, and is used for electric circuit protection in applications requiring a max operating temperature of 125°C and min of -40°C.
ATQR1/2
Mersen S A's ATQR1/2 fuse, rated at 0.5A and 600V AC, features a time delay blow characteristic with a breaking capacity of 200kA. With dimensions of 10.4mm x 38.1mm and an end cap terminal shape, it is ideal for electric circuit protection in various applications requiring inline mounting or holder installation according to CSA and UL standards.
FWP-400A
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 700 V; Rated DC Voltage: 700 V; Rated Current: 400 A; Terminal Shape: TAB/BLADE;
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0242.050UR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .05 A; Terminal Shape: WRAPAROUND;
0242.250UR
Littelfuse 0242.250UR fuse: Rated 0.25A, 250V with trip time of 14400s. Surface mountable for circuit protection in UL standard applications at -40 to 125°C temperature range.
0242.200UR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .2 A; Terminal Shape: WRAPAROUND;
0242.125UR
ELECTRIC FUSE; Terminal Finish: MATTE TIN OVER NICKEL; JESD-609 Code: e3;
0242.080UR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .08 A; Terminal Shape: WRAPAROUND;
0242.100UR
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .1 A; Terminal Shape: WRAPAROUND;
0242.200UAT1
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .2 A; Terminal Shape: PIN WIRE;
0242.100UAT1
Littelfuse 0242.100UAT1 fuse with 0.1A current, 250V AC/DC voltage rating, and 14400s trip time is ideal for circuit protection in UL standard applications. Featuring a compact body of 3.02mm x 8.4mm, matte tin over nickel terminal finish, and high breaking capacity of 4000A, it ensures reliable performance from -40°C to 125°C.
0242.080
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .08 A; Terminal Shape: END CAP;
0242.125HAT1
ELECTRIC FUSE; JESD-609 Code: e3; Terminal Finish: MATTE TIN OVER NICKEL;
0242.100UA
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .1 A; Terminal Shape: PIN WIRE;
0242.125UAT1
0242.040UAT1
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .04 A; Terminal Shape: PIN WIRE;
0242.050HAT1
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .05 A; Terminal Shape: PIN WIRE;
0242.080UA
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .08 A; Terminal Shape: PIN WIRE;
0242.050
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .05 A; Terminal Shape: END CAP;
0242.050UA
0242.080UAT1
0242.100
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: .1 A; Terminal Shape: END CAP;
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