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.
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PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .32 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Operating Voltage: 60 V;
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Non-linear Resistors RKEF050U attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
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RKEF050U 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.
SMBJ18CA
Goodwork Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Tak Cheong Electronics Holdings
LL4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM7805CT
Integrated Circuit Technology
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Terminal Position: SINGLE; Operating Temperature (TJ-Min): 0 Cel;
DS18B20U+
Analog Devices
DS18B20U+ by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
SMMBT3904LT1G
Onsemi
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
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;
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
FDV303N
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
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 %;
STM32F401CDY6TR
STMicroelectronics
STM32F401CDY6TR by STMicroelectronics is a 32-bit microcontroller with 393216 ROM words, 50 MHz clock frequency, and 36 I/O lines. It is used in applications requiring high-speed processing, such as industrial automation and consumer electronics.
LM555CM
Texas Instruments
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
M24308/2-1F
Adi Electronics
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; MIL Conformity: YES; Filter Feature: NO; Mating Info.: MULTIPLE MATING PARTS AVAILABLE;
Hy Electronic
1N4148
Taitron Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
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;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
C0603C104K5RACAUTO
KEMET Corporation
KEMET C0603C104K5RACAUTO is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for automotive applications meeting AEC-Q200 standard, it comes in SMT package with matte tin finish and wraparound terminals.
EZJZ1V420FA
Panasonic
The Panasonic EZJZ1V420FA is a varistor resistor with 2 terminals, operating voltage of 30V, and max circuit DC voltage of 30V. It comes in a rectangular SMT package with dual-ended terminal placement for surface mount applications. With an operating temperature range from -40°C to 85°C, it offers protection against overvoltage in electronic circuits.
MICROSMD150F-2
Littelfuse
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .04 ohm; Maximum Operating Temperature: 85 Cel; Width (Package): 2.8 mm; Shape (Package): RECTANGULAR PACKAGE;
TRF250-145
TE Connectivity
TE Connectivity's TRF250-145 is a PTC resettable fuse with 60V operating voltage and 1W power dissipation. Ideal for temperature sensing applications, it features radial terminal placement in a disk package measuring 6.5mm x 4.6mm x 11mm. With CSA, TUV, and UL certifications, it operates b/w -40°C to 85°C.
B57364-S109-M
Siemens
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 1 ohm; Shape (Package): DISK PACKAGE; Terminal Shape: WIRE; No. of Terminals: 2;
V100ZA15P
V100ZA15P by Littelfuse is a VARISTOR with 60V max circuit RMS voltage and 20J max energy absorption. Operating at -55 to 125°C, it's ideal for surge protection in various applications like power supplies and industrial equipment. With radial terminal placement and metal oxide film technology, it offers reliable performance in bulk packaging.
NCP18XQ102J03RB
Murata Manufacturing
Murata Manufacturing's NCP18XQ102J03RB is a Non-linear Resistor with 1000 ohm resistance, operating voltage of 5V, and thermal sensitivity index of 3650K. It is used for temperature sensing applications, featuring dual-ended terminals in a rectangular SMT package. Operating temperature ranges from -40 to 125°C.
MF-R1100
Bourns
Bourns MF-R1100 is a PTC resettable fuse with 16V operating voltage, ideal for overcurrent protection. Featuring radial terminal placement and tin finish, it has a temperature range of -40 to 85°C. With through-hole mounting, this non-linear resistor is compact at 24.2mm x 3mm x 32.9mm for various applications.
NTCS0603E3103GMT
Vishay Bc Components
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 150 Cel; Tolerance: 2 %;
NTCS0603E3103JHT
Vishay Intertechnology
Vishay Intertechnology's NTCS0603E3103JHT is a NTC thermistor with 10000 ohm resistance, 5% tolerance, and 3960 K thermal sensitivity index. It is used for temperature sensing applications in automotive electronics due to its -40 to 150 °C operating range and AEC-Q200, CUL, UL certifications.
V82ZA20PX1347
V82ZA20PX1347 by Littelfuse is a VARISTOR with 68V operating voltage and 50V max circuit RMS voltage. It has a max energy absorption of 25J, suitable for non-linear resistor applications. With a temperature range from -55°C to 150°C, it features radial terminal placement and metal oxide film technology.
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.
RXEF090-AP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Shape (Package): DISK PACKAGE; No. of Terminals: 2; Terminal Shape: WIRE;
SMD185F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .065 ohm; Maximum Operating Temperature: 85 Cel; Terminal Finish: Matte Tin (Sn) - with Nickel (Ni) barrier; Length (Package): 9.4 mm;
MF-USMF020-2
The Bourns MF-USMF020-2 is a PTC resettable fuse with resistance of 0.4 ohm and operating voltage of 30V, ideal for overcurrent protection applications. It features dual-ended terminals in a rectangular SMT package, with gold over nickel terminal finish. Operating temperature ranges from -40 to 85°C, meeting AEC-Q200, CUL, TUV, and UL standards.
MF-R030
Bourns MF-R030 is a PTC resettable fuse with resistance of 0.76 ohm, operating voltage of 60V, and temperature range from -40 to 85°C. It has radial terminal placement and wire shape, suitable for through hole mounting applications in various electronic circuits.
NCP15WF104F03RC
Murata Manufacturing's NCP15WF104F03RC is a Non-linear Resistor with 100000 ohm resistance, 1% tolerance, and 5V operating voltage. It is used for TEMPERATURE SENSING applications due to its high thermal sensitivity index of 4250 K and wide temperature range from -40°C to 125°C. The thermistor features dual-ended terminals in a surface mount package style for easy installation.
ERTJ1VS104JA
Panasonic ERTJ1VS104JA is a NTC thermistor with 100000 ohm resistance, 5% tolerance, and 0.1 W power dissipation. It is used for temperature compensation in applications requiring thermal sensitivity index of 4390 K and operating temperatures ranging from -40 to 125 °C.
NTCLE400E3472HA
Vishay Intertechnology NTCLE400E3472HA is a 4700 ohm NTC thermistor with -40 to 85°C operating range. Featuring 3% tolerance, it has thermal sensitivity index of 3977 K and 0.25 W power dissipation. Ideal for temperature sensing applications, this radial thermistor is chassis mountable with flexible wire terminals.
VDRS10P275BSE
Vishay Intertechnology's VDRS10P275BSE is a VARISTOR with 275V max circuit RMS voltage and 63J energy absorption. Ideal for surge protection in applications requiring non-linear resistors, such as power supplies and industrial equipment. Operating temp range from -40°C to 125°C, making it suitable for various environments.
V42MLA1206NH
Harris Semiconductor
VARISTOR; Mounting Type: SURFACE MOUNT; Maximum Operating Temperature: 125 Cel; Shape (Package): RECTANGULAR PACKAGE; Length (Package): 4.06 mm; Height (Package): 1.8 mm;
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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;
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;
RKEF050K
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;
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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