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: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: 40 A; Terminal Shape: TAB/BLADE;
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Fuses KLB40 attributes and parameters. Explore more Fuses devices from Littelfuse
Circuit Protection Type:
Rated Current:
Rated Breaking Capacity:
Rated AC Voltage:
Rated DC Voltage:
Body Diameter:
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Dimensions:
Blow Characteristic:
Additional Features:
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KLB40 Circuit Protection trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5920-00-674-5879, 5920006745879
NIIN
006745879
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.
LM317T
Sgs-ates Componenti Electronici S P A
Other Regulators; No. of Terminals: 3; JESD-609 Code: e0; Terminal Position: SINGLE; Adjustability: ADJUSTABLE; Maximum Load Regulation (%): 1.5 %;
2N2222A
Surge Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; No. of Terminals: 3;
BAV99
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
ESD5Z5.0T1G
Onsemi
ESD5Z5.0T1G by Onsemi is a unidirectional Trans Voltage Suppressor Diode with 5V reverse test voltage and 174W peak power dissipation. It is used for transient suppression in electronic circuits, meeting IEC-61000-4-2, 4-4 standards and UL recognized for reliability.
2N7002
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
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;
MBR0520L-T1
Won-top Electronics
MBR0520L-T1 by Won-top Electronics is a Schottky rectifier diode with 20V peak reverse voltage and 0.5A output current. It is a single-config, surface-mount diode in a small outline package, suitable for applications requiring high-speed switching and low forward voltage drop. Operating temperature range from -65°C to 125°C makes it ideal for various electronic circuits.
Vishay Intertechnology
Vishay Intertechnology's BAV99 diode features a max forward voltage of 1.3V and a max output current of 0.15A, making it ideal for rectification applications. With a small outline package style and dual terminal position, this series-connected diode is designed for surface mount usage in various electronic circuits with an operating temperature range from -55°C to 150°C.
1N4148WS
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Terminal Finish: Matte Tin (Sn) - annealed;
1N4148
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
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;
FT232RL-TUBE
FTDI
FTDI's FT232RL-TUBE is a bus controller with 28 terminals, operating at 3.3-5.25V. It supports USB, VBUS, and UART interfaces with a data transfer rate of 60MBps. Ideal for industrial applications requiring RS232/RS422/RS485 compatibility in compact designs due to its small outline package style.
NC7WZ07P6X
Fairchild Semiconductor
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Daco Semiconductor
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Transistor Element Material: SILICON; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
MMBT3904LT1G
MMBT3904LT1G by Onsemi is a NPN BJT with max. collector-emitter voltage of 40V, hFE of 30, and fT of 300MHz. Ideal for small signal applications in electronics due to its compact size, high transition frequency, and low power dissipation capabilities.
Diodes Incorporated
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Form: GULL WING; JESD-30 Code: R-PDSO-G3;
0297020.WXNV
Littelfuse
Littelfuse 0297020.WXNV is a MINI fuse with 20A rated current, 442J nominal joule integral, and 0.03s trip time. Ideal for circuit protection in automotive applications due to its 32V rated voltage and UL reference standard compliance.
LP-CC-1-6/10
Cooper Electronic Technologies
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 1.6 A; Terminal Shape: END CAP;
LPJ-100SP
Cooper Industries
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated DC Voltage: 300 V; Rated Current: 100 A; Terminal Shape: TAB/BLADE;
BK/ATM-10
Eaton Corporation
The Eaton Corporation BK/ATM-10 fuse is a 10A electric fuse with fast blow characteristic. It has dimensions of 10.92mm x 3.81mm x 8.81mm and rated voltage of 32V, suitable for inline mounting applications. With a rated breaking capacity of 1000A, it is UL standard compliant and ideal for circuit protection in various electronic devices.
FNQ-R-1-1/2
Eaton Corporation's FNQ-R-1-1/2 fuse, rated at 600V and 1.5A with a time delay blow characteristic, is ideal for electric circuit protection. With a body length of 10.3mm and diameter of 38.1mm, it features nickel terminal finish and inline mounting suitable for various applications meeting CE, CSA, and UL standards.
FNQ-R-4
FNQ-R-4 fuse by Eaton Corp, rated 4A at 600V AC, features time delay blow characteristic. With a body length of 10.3mm and diameter of 38.1mm, it is ideal for circuit protection in applications requiring high breaking capacity up to 200kA. Suitable for use with CE, CSA, and UL standards in inline/holder mounting configurations.
BK/ATC-25
BK/ATC-25 by Eaton Corp is a 32V, 25A fast blow electric fuse with 0.1s trip time. UL standard compliant, it has 1000A breaking capacity and operates b/w -40°C to 100°C. Ideal for inline mounting in circuit protection applications.
BK-MDL-5-R
The Eaton BK-MDL-5-R fuse is a 5A, 250V electric fuse with time delay blow characteristic. With a rated breaking capacity of 200A and nominal joule integral of 32J, it's ideal for inline mounting in various applications requiring circuit protection. Compliant with CE, CSA, and UL standards, it comes in a compact size of 6.4x31.7mm for efficient use.
39501600000
39501600000 by Littelfuse is a TE5 fuse with 125V rated voltage, 0.16A current, and 0.0037J nominal joule integral. It is used for circuit protection in applications requiring fast blow characteristic, UL reference standard compliance, and 100A rated breaking capacity.
021801.6MXP
The Littelfuse 021801.6MXP fuse is a 1.6A, 250V time lag electric fuse with a rated breaking capacity of 35A and trip time of 0.02s. It is commonly used for circuit protection in applications requiring supplemental fuses, such as inline mounting or holders. The fuse has dimensions of 5x20mm and meets standards like CCC, CE, CSA, UL, and VDE.
LP-CC-6/10
Eaton Corporation LP-CC-6/10 fuse, rated 600V AC/0.6A, with time delay blow characteristic. Inline/holder mounting for circuit protection in CE/CSA/UL compliant applications. Dimensions: 10mm x 38.1mm, body height 38mm, and rated breaking capacity of 200kA.
MST2A250V
SPC TECHNOLOGY/ MULTICOMP
MST2A250V fuse by Spc Technology/Multicomp is a 2A, 250V slow blow electric fuse with a rated breaking capacity of 100A. With dimensions of 8.35mm x 4.3mm x 7.7mm, it is suitable for circuit protection in applications requiring a nominal joule integral of 32J and operating temperatures ranging from -55°C to 125°C.
FNQ-R-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;
GMA-1-R
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated Current: 1 A; Terminal Shape: END CAP; Reference Standard: CE; CSA; UL;
BK-AGC-2-R
The Eaton Corporation BK-AGC-2-R fuse is rated at 2A and 250V, with a fast blow characteristic. It has a nominal joule integral of 17.52J and dimensions of 6.3x32mm, suitable for circuit protection in applications requiring an electric fuse with a rated breaking capacity of 100A.
170M1565
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 690 V; Rated DC Voltage: 690 V; Rated Current: 63 A; Terminal Shape: TAB/BLADE;
SC-40
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 480 V; Rated DC Voltage: 300 V; Rated Current: 40 A; Terminal Shape: END CAP;
FRS-R-100
Eaton Corporation's FRS-R-100 fuse, rated at 100A and 600V AC/DC, features a time delay blow characteristic. With a compact body size of 34mm x 200mm, it is suitable for inline mounting applications requiring electric circuit protection. Compliant with CE, CSA, and UL standards, this RK5 class fuse has a high breaking capacity of 200kA.
FNQ-R-1-3/10
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 600 V; Rated Current: 1.3 A; Terminal Shape: END CAP; Packing Method: BOX;
ERBRE2R00V
Panasonic
The Panasonic ERBRE2R00V is a 0603 size fuse with a rated current of 2A and a max operating temperature of 125°C. It is designed for circuit protection in applications requiring fast blow characteristics, such as surface mount electronics.
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KLB4
KLB4 by Littelfuse is a 4A fast blow electric fuse with 250V AC/DC rated voltage, ideal for inline mounting. With dimensions of 14.3mm x 50.8mm and high breaking capacity of 200kA, it meets CSA and UL standards for reliable circuit protection in various applications.
KLB400
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated DC Voltage: 200 V; Rated Current: 400 A; Terminal Shape: TAB/BLADE;
KLB45
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated DC Voltage: 250 V; Rated Current: 45 A; Terminal Shape: TAB/BLADE;
KLB450
ELECTRIC FUSE; Mounting Feature: INLINE/HOLDER; Rated AC Voltage: 250 V; Rated DC Voltage: 200 V; Rated Current: 450 A; Terminal Shape: TAB/BLADE;
Supply Digital Components
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