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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
Littelfuse 0273.300H is a MICRO fuse with 0.3A rated current, 125V AC/DC voltage, and very fast blow characteristic. It has a trip delay of 14400s and nominal joule integral of 0.00945J. Ideal for circuit protection in applications requiring through hole mounting.
Median Price
$6.930
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< 1k
RS Americas
1+ parts
$6.570
100+ parts
$5.980
1k+ parts
$5.780
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-
RS (Exports)
$7.290
$6.630
$6.420
Component Electronics Inc.
$6.150
$4.620
$4.000
Nova Conductors
VNN
Ampacity Inc.
$3.880
Component Stockers USA
$7.080
Neutron USA
$34.990
Argo Parts USA
Glotronic Ltd.
Continental Prestige Electronics
Perfect Parts
Aranea Global
This fuse has a low Joule rating, meaning it offers effective protection against voltage spikes and surges.
Suitable for use in standard AC voltage applications, ensuring compatibility with most electrical systems.
Provides a sufficient delay before tripping, giving enough time for temporary overloads to dissipate without causing the fuse to blow unnecessarily.
The compact MICRO size makes it easy to integrate into tight spaces and smaller electronic devices.
The very fast blow characteristic ensures quick response to overcurrent conditions, protecting connected equipment from damage.
Can withstand high temperatures without degrading performance, making it reliable in a variety of environments.
Fuses 0273.300H attributes and parameters. Explore more Fuses devices from Littelfuse
Circuit Protection Type:
Rated Current:
Rated Breaking Capacity:
Rated AC Voltage:
Rated DC Voltage:
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Body Diameter:
Body Height:
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:
0273.300H 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.
2N2222A
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
LM358N
Taejin Technology
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
ECA2DHG4R7
Panasonic
ECA2DHG4R7 by Panasonic is a 4.7uF aluminum electrolytic capacitor with 200V rated DC voltage. It features tan delta of 0.15, leakage current of 0.0664mA, and ripple current of 50mA, making it ideal for applications requiring high capacitance stability and low leakage in through-hole mounting setups at temperatures ranging from -25 to 105°C.
1N4148
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N7002
Teledyne Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Operating Temperature: 150 Cel; No. of Terminals: 3;
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
KYOCERA AVX
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
EU2B-YS3103F
Idec
ROTARY SWITCH;
LM555CM
Harris Semiconductor
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
AMS1117-3.3
Advanced Monolithic Systems
AMS1117-3.3 by Advanced Monolithic Systems is a fixed positive single output LDO regulator with 1A max output current, 3% voltage tolerance, and 1.3V dropout voltage. Ideal for applications requiring stable 3.3V supply in compact designs due to its small outline package and excellent load regulation of 0.025%.
Bytesonic Electronics
AT90CAN128-16AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
BAV99
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
Grande Electronics
Changzhou Starsea Electronics
Diodes Incorporated
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Mde Semiconductor
Philips 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;
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Onsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
AGC-2-R
Cooper Industries
ELECTRIC FUSE; Rated Current: 2 A; Terminal Shape: END CAP; Dimensions: 31.75mm x 31.75mm; Rated Voltage: 250 V; Reference Standard: CSA; UL;
NON-40
Cooper Electronic Technologies
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated DC Voltage: 125 V; Rated Current: 40 A; Terminal Shape: END CAP;
BK/MDL-1-R
BK/MDL-1-R by Cooper Electronic Technologies is a 1A electric fuse with 250V AC voltage rating and 11.498J nominal joule integral. Featuring time delay blow characteristic, it has a rated breaking capacity of 35A. Ideal for inline mounting, this fuse is commonly used in circuit protection applications.
0297010.WXT
Littelfuse
Littelfuse 0297010.WXT is a MINI electric fuse with 10A current rating, 32V DC voltage, and 122J nominal joule integral. It has a trip time of 0.03s and rated breaking capacity of 1000A. Ideal for inline mounting in circuits requiring fast-acting protection against overcurrent situations.
326.800
326.800 by Littelfuse is an electric fuse with a rated current of 0.8 A and a blow characteristic of SLOW. It has a nominal joule integral of 8.2 J and is suitable for circuit protection in applications requiring a rated AC voltage of 250 V.
0678L9250-02
Bel Fuse
ELECTRIC FUSE; JESD-609 Code: e4; Terminal Finish: Silver (Ag) - with Nickel (Ni) barrier;
FNM-2-1/2
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated Current: 2.5 A; Terminal Shape: END CAP; Rated Breaking Capacity: 100 A;
0466002.NR
Littelfuse 0466002.NR fuse, rated at 2A and 63V, offers very fast blow characteristic with 0.2326J nominal joule integral. Ideal for circuit protection in electronics, it has a compact size of 1206 (3.18mm x 1.52mm x 0.58mm) and matte tin over nickel terminal finish for surface mount applications.
0239002.MXP
0239002.MXP by Littelfuse is a 5x20mm supplemental fuse with a rated current of 2A and max operating temperature of 125°C. It provides circuit protection with a time lag blow characteristic, suitable for applications requiring a rated AC voltage of 250V.
0225002.MXP
0225002.MXP fuse by Littelfuse is a 2A, 250V fast-acting electric fuse with a rated breaking capacity of 100A. It has a trip time of 1s and nominal joule integral of 2.18J, suitable for circuit protection in various applications requiring quick response to overcurrent situations. Compliant with CE, CSA, PSE, and UL standards, it features nickel terminal finish and compact dimensions of 4.5mm x 14.48mm for easy installation in inline/holder mounting setups.
LPJ-400SP
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 400 A; Terminal Shape: TAB/BLADE;
TCF70
The TCF70 by Cooper Industries is a 70A electric fuse with a rated AC voltage of 600V. It has a time delay blow characteristic and a minimum operating temperature of -10°C. The fuse has a body length/diameter of 76.45mm, a body width of 25.4 inch, and a body height of 32mm. It has a tin terminal finish and a rated breaking capacity of 300000A. The TCF70 is suitable for applications that require circuit protection in systems with a maximum operating temperature of 65°C and a rated DC voltage of 300V.
ATQR2-1/4
Mersen S A
Mersen S A's ATQR2-1/4 fuse, rated at 2.25A and 600V AC, features time delay blow characteristic for circuit protection with a breaking capacity of 200kA. With dimensions of 10.4mm x 38.1mm, it is suitable for inline mounting applications in various industries meeting CSA, CE, and UL standards.
LP-CC-12
Eaton Corporation
Eaton Corporation's LP-CC-12 fuse, rated at 12A and 600V AC/150V DC, features a time delay blow characteristic. With a compact body size of 10.3mm x 38.1mm and end cap terminals, it is ideal for inline mounting applications requiring electric circuit protection with a high breaking capacity of 200kA.
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.
FNQ-R-3-1/2
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 3.5 A; Terminal Shape: END CAP; Blow Characteristic: TIME DELAY;
ANN-50
ELECTRIC FUSE; Mounting Feature: SURFACE MOUNT; Rated AC Voltage: 125 V; Rated DC Voltage: 80 V; Rated Current: 50 A; Terminal Shape: TAB/BLADE;
LPJ-200SPI
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 200 A; Terminal Shape: TAB/BLADE;
0297005WXNV
Littelfuse 0297005WXNV fuse with 5A rated current, 25J nominal joule integral, and 32V DC voltage rating. Ideal for circuit protection in applications requiring inline mounting, such as automotive electronics and industrial equipment. Operating temperature range from -40°C to 125°C ensures reliable performance in various environments.
KRP-C-800SP
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 800 A; Terminal Shape: TAB/BLADE;
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0273.500H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .5 A; Terminal Shape: PIN WIRE;
0273.100H
Littelfuse 0273.100H MICRO fuse with 0.1A current, 125V rated voltage, and 14400s trip time is ideal for circuit protection in electronics. With a very fast blow characteristic and high breaking capacity of 10000A, it ensures safety at temperatures from -55°C to 85°C. Measuring 6.35mm x 8.89mm, this THROUGH HOLE mountable fuse is UL certified for reliable performance.
0273.050H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .05 A; Terminal Shape: PIN WIRE;
0273.600V
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .6 A; Terminal Shape: PIN WIRE;
0273003.H
Littelfuse 0273003.H is a MICRO fuse with rated current of 3A and very fast blow characteristic. It has a rated AC/DC voltage of 125V, trip time of 14400s, and nominal joule integral of 0.759J. Commonly used for circuit protection in applications requiring electric fuses with through hole mounting feature.
0273005.H
Littelfuse 0273005.H is a MICRO fuse with 5A rated current, 125V AC/DC voltage, and 2.21J nominal joule integral. It has very fast blow characteristic and is ideal for circuit protection in applications requiring high breaking capacity and through-hole mounting.
0273.005H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .005 A; Terminal Shape: PIN WIRE;
0273.750H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .75 A; Terminal Shape: PIN WIRE;
0273.250H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .25 A; Terminal Shape: PIN WIRE;
02730.031V
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .031 A; Terminal Shape: PIN WIRE;
0273003.0V
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: 3 A; Terminal Shape: PIN WIRE;
0273001.V
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: 1 A; Terminal Shape: PIN WIRE;
0273002.0H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: 2 A; Terminal Shape: PIN WIRE;
0273003.V
02730.010V
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .01 A; Terminal Shape: PIN WIRE;
0273004.0H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: 4 A; Terminal Shape: PIN WIRE;
02730.005V
0273001.0V
0273.002H
ELECTRIC FUSE; Mounting Feature: THROUGH HOLE; Rated AC Voltage: 125 V; Rated DC Voltage: 125 V; Rated Current: .002 A; Terminal Shape: PIN WIRE;
Supply Digital Components
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12,000 In-Stock
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