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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PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .32 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; Minimum Operating Temperature: -40 Cel;
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Non-linear Resistors RKEF050K attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
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RKEF050K Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.70
SB
8533.40.00.80
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.
BAV99
Gec Plessey Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Vishay Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBT3904LT1G
Onsemi
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.
SMBJ18CA
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
General Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Continental Device India
2N2222A
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;
BSS138
Inter F E T
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: TIN LEAD; Package Body Material: PLASTIC/EPOXY;
LM107H/883
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Maximum Average Bias Current (IIB): .1 uA;
LL4148
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358DT
STMicroelectronics
LM358DT by STMicroelectronics is a dual operational amplifier with a max input offset voltage of 9000 uV. It operates at a nominal voltage of 5V and has a min voltage gain of 25000. This amplifier is commonly used in applications requiring high precision and low power consumption.
First Components International
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.1 V; Polarity: BIDIRECTIONAL; Maximum Repetitive Peak Reverse Voltage: 18 V;
Vishay Telefunken
BSS138BKW,115
NXP Semiconductors
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Style (Meter): SMALL OUTLINE; Package Shape: RECTANGULAR; Transistor Application: SWITCHING;
261
New England Microwave
Other Interface ICs; No. of Terminals: 14; Package Equivalence Code: FL14(UNSPEC); Power Supplies (V): +-5,-15; Package Body Material: PLASTIC/EPOXY; Surface Mount: YES;
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Config: SINGLE;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
USBLC6-2SC6
USBLC6-2SC6 by STMicroelectronics is a unidirectional transient voltage suppressor diode with a breakdown voltage of 6V. It has a max clamping voltage of 17V and operates in temperatures ranging from -40 to 125°C. This device, with dual terminals and matte tin finish, is ideal for protecting sensitive electronics from voltage spikes in various applications.
1206L025YR
Littelfuse
1206L025YR by Littelfuse is a PTC resettable fuse with 0.55 ohm resistance and 16V operating voltage. It is used for overcurrent protection in various applications. Featuring dual-ended terminals, SMT package style, and matte tin finish, it operates b/w -40 to 85 °C temperature range.
B72214S0301K101
TDK
The TDK B72214S0301K101 is a VARISTOR with 300V max circuit RMS voltage and 385V operating voltage. With a max energy absorption of 76J, it's ideal for surge protection in applications requiring high reliability and durability. The radial package style and through-hole mounting make it suitable for various electronic circuits.
B72580V0600K062
The TDK B72580V0600K062 is a VARISTOR with 5.8J energy capacity, 60V max RMS voltage, and -55 to 125°C operating range. Ideal for surge protection in electronics due to its dual terminal placement and surface mounting type.
2920L150DR
2920L150DR by Littelfuse is a PTC resettable fuse with resistance of 0.08 ohm, operating voltage of 33V, and dual-ended terminal placement. It is used for overcurrent protection in various applications due to its SMT package style and surface mounting type.
PESD0603-240
TE Connectivity
TE Connectivity's PESD0603-240 is a VARISTOR with 24V operating voltage. It comes in a RECTANGULAR PACKAGE measuring 1.7mm x 0.95mm x 0.55mm, suitable for SURFACE MOUNT applications. With a temperature range of -55°C to 125°C, it offers protection against overvoltage in electronic circuits.
MF-R110-0
Bourns
The Bourns MF-R110-0 is a PTC resettable fuse with resistance of 0.1 ohm, operating voltage of 30V, and dimensions of 24.2mm x 3mm x 32.9mm. It is used in applications requiring overcurrent protection in electronic circuits due to its non-linear resistor properties and radial terminal placement for through-hole mounting.
MOV-10D561KTR
MOV-10D561KTR by Bourns is a VARISTOR with 70J energy capacity, 350V RMS voltage, and 460V operating voltage. Ideal for surge protection in circuits with -40 to 105°C temp range, it comes in radial package style for through-hole mounting.
TD5A
Honeywell Sensing And Control
TD5A by Honeywell Sensing And Control is a PTC thermistor with 3 terminals, radial placement, and rectangular package. It operates b/w -40°C to 150°C, primarily used for temperature sensing applications with through-hole mounting.
RXEF010S
TE Connectivity's RXEF010S is a PTC resettable fuse with 7.5 ohm resistance and rated power dissipation of 0.38W. Ideal for temperature sensing applications, it has a max operating temperature of 85°C and radial terminal placement for through-hole mounting.
SMD075F/60-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .35 ohm; Maximum Operating Temperature: 85 Cel; Packing Method: TR, EMBOSSED, 13 INCH; Length (Package): 7.98 mm;
V430CH8
General Electric Solid State
VARISTOR; Mounting Type: SURFACE MOUNT; Rated Power Dissipation (P): .25 W; Length (Package): 8 mm; Package Style (Meter): SMT; Maximum Energy Absorbing Capacity: 23 J;
TRF250-180-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .8 ohm; Maximum Operating Temperature: 85 Cel; Thermistor Application: OVERCURRENT PROTECTION; Packing Method: TR, 14 INCH;
B72210S0421K101
B72210S0421K101 by TDK is a VARISTOR with 420V max circuit RMS voltage and 45J energy absorption. It operates b/w -40 to 105°C, suitable for surge protection in various electronic applications. With radial terminal placement and metal oxide technology, it offers reliable performance in bulk packaging.
VCAT06AG18120YAT3A
KYOCERA AVX
VCAT06AG18120YAT3A by KYOCERA AVX is a VARISTOR with 18V operating voltage and 14V max RMS voltage. It has dual-ended terminals, SMT package style, and can operate b/w -55°C to 150°C. Ideal for automotive applications meeting AEC-Q200 standard.
V275LA20APW
V275LA20APW by Littelfuse is a VARISTOR with 275V max circuit RMS voltage, 75J energy capacity, and -55 to 125 °C operating temp. Ideal for surge protection in various applications due to its METAL OXIDE technology and THROUGH HOLE MOUNT design.
B57237S0100M000
TDK B57237S0100M000 is a NTC thermistor with 10 ohm resistance, 20% tolerance, and 3.1 W power dissipation. It is used for soft start applications at temperatures ranging from -55°C to 170°C. The radial package has a height of 22 mm, length of 15 mm, and width of 7 mm for through-hole mounting.
0ZCG0150BF2C
Bel Fuse
Bel Fuse's 0ZCG0150BF2C is a PTC resettable fuse with resistance of 0.04 ohm and rated power dissipation of 1W. It is used for temperature sensing applications, featuring dual-ended terminals and surface mounting type. Operating voltage is 24V with operating temperature range from -40 to 85°C.
MF-R010
The Bourns MF-R010 is a PTC resettable fuse with 2.5 ohm resistance and 60V operating voltage. It features radial terminal placement, matte tin finish, and operates b/w -40 to 85 °C. Ideal for overcurrent protection in various electronic applications due to its compact disk package design.
V5.5MLA0805LNH
V5.5MLA0805LNH by Littelfuse is a VARISTOR with 5.5V operating voltage and 0.1J energy capacity. It has DUAL ENDED terminals, RECTANGULAR PACKAGE shape, and is ideal for surge protection in SMT applications at temperatures ranging from -40 to 125°C.
SMD030F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: 1.2 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; JESD-609 Code: e3;
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RKEF250
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 2.8 W; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Rated AC Voltage (URac): 60 V;
TE Connectivity's RKEF250 is a PTC resettable fuse with 2.8W power dissipation, rated for 60V AC voltage. Ideal for temperature sensing applications, it features radial terminal placement and tin finish, operating b/w -40°C to 85°C.
RKEF500
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 5 W; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 60 V; Terminal Placement: RADIAL;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 5 W; Maximum Operating Temperature: 85 Cel; Thermistor Application: TEMPERATURE SENSING; Additional Features: RESISTANCE RANGE(MIN-MAX): 0.012-0.030;
RKEF300-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Length (Package): 16.5 mm; Package Style (Meter): Radial; Width (Package): 3 mm;
RKEF065
TE Connectivity's RKEF065 is a non-linear resistor with a rectangular package (7.11mm x 3.56mm x 12.2mm) and radial terminal placement. It is used for temperature sensing applications, has a rated AC voltage of 60V, and can operate in temperatures ranging from -40°C to 85°C.
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1.25 W; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Terminal Placement: RADIAL;
RKEF300
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 3.2 W; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE; Shape (Package): RECTANGULAR PACKAGE;
TE Connectivity's RKEF300 is a PTC resettable fuse with 60V AC voltage rating. It features radial terminal placement and rectangular package shape, ideal for temperature sensing applications. With dimensions of 16.5mm x 3mm x 21.2mm, it operates b/w -40°C to 85°C and has a power dissipation of 3.2W.
RKEF160
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 2.4 W; Maximum Operating Temperature: 85 Cel; Thermistor Application: TEMPERATURE SENSING; Terminal Shape: WIRE;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 2.4 W; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Thermistor Application: TEMPERATURE SENSING;
RKEF050U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .32 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Operating Voltage: 60 V;
RKEF065S
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .25 ohm; Maximum Operating Temperature: 85 Cel; Package Style (Meter): Radial; Reference Standard: CSA; TUV; UL;
RKEF065S-1
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .25 ohm; Maximum Operating Temperature: 85 Cel; Additional Features: Rmax:0.45 OHMS AT 20 DEG CEL; Operating Voltage: 60 V;
RKEF065U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .25 ohm; Maximum Operating Temperature: 85 Cel; Length (Package): 7.11 mm; Height (Package): 12.2 mm;
RKEF050U-1
RKEF065U-1
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .25 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Minimum Operating Temperature: -40 Cel;
RKEF050B
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .32 ohm; Maximum Operating Temperature: 85 Cel; Maximum Circuit DC Voltage: 60 V; Terminal Shape: WIRE;
RKEF050K-1
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .32 ohm; Maximum Operating Temperature: 85 Cel; Length (Package): 7.1 mm; Terminal Placement: RADIAL;
RKEF050
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; JESD-609 Code: e3; Thermistor Application: TEMPERATURE SENSING;
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