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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The Littelfuse RUEF250U-2 is a PTC resettable fuse with resistance of 0.02 ohm, suitable for overcurrent protection applications. It has a max operating temperature of 85°C and operates at 30V DC/RMS voltage. With radial terminal placement and rectangular package shape, it is designed for through-hole mounting in various electronic circuits.
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DigiKey
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Newark
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Future Electronics
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Element14
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TTI
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Chip1Stop
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Farnell
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Verical
Nova Conductors
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IBS Electronics
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NAC Semi
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Aztec Data Supply Inc.
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Semicontronic
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Argo Parts USA
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Netroflash
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Decca Corp
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Perfect Parts
Assy Fe
Infinite Electronics LLP (Excess)
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This thermistor is specifically designed for overcurrent protection, ensuring safety and preventing damage to the circuit in case of excessive current flow.
Radial terminal placement allows for easy installation and connection, making it convenient to use in various applications.
The rectangular package shape provides a compact design and efficient use of space in the circuit layout.
The low resistance value of 0.02 ohm helps in effectively limiting the current flow during overcurrent situations.
The matte tin over nickel terminal finish offers good conductivity and corrosion resistance, ensuring long-term reliability.
With a high maximum operating temperature of 85°C, this thermistor can withstand elevated temperatures without affecting performance.
The low minimum operating temperature of -40°C allows this thermistor to function reliably in a wide range of environmental conditions.
The through-hole mounting type offers secure and stable installation on the circuit board, enhancing durability and performance.
Non-linear Resistors RUEF250U-2 attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Additional Features:
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RUEF250U-2 Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.70
SB
8533.40.00.80
PCN Packaging - Mult Dev Shipping Chgs 9/Jun/2020
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;
2N7002
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .83 W; No. of Elements: 1; Transistor Application: SWITCHING;
LM358ADR
Texas Instruments
LM358ADR by Texas Instruments is an operational amplifier with 2 functions, featuring a max input offset voltage of 5000 uV and nominal voltage of 5V. Widely used in applications requiring high voltage gain, it operates within a temperature range of 0-70°C and offers frequency compensation for stability.
LL4148
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148
Comchip Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
EU2B-YS3303C
Idec
ROTARY SWITCH;
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
SS14
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
LM7805CT by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a dropout voltage of 2V, and offers excellent line/load regulation for various electronic applications.
RC0603JR-070RL
Yageo
Yageo's RC0603JR-070RL is a SMT fixed resistor with 0 ohm resistance, rated for temperatures from -55 to 155 °C. Its metal glaze/thick film technology and 0.1 W power dissipation make it ideal for jumper applications in various electronic devices.
Secos
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .3 W; Maximum Drain Current (ID): .115 A; Maximum Drain-Source On Resistance: 7.5 ohm;
Pro-an Electronic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; Operating Mode: ENHANCEMENT MODE;
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.
Shanghai Lunsure Electronic Technology
2N2222A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
FDC5614P
TAIZHOU ELECTRONICS CO LTD
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.92 W; Maximum Operating Temperature: 150 Cel; Package Body Material: PLASTIC/EPOXY;
RC0402FR-071KL
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
1N4148W-T
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Panjit International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
B59707-A120-A62
TDK
TDK's B59707-A120-A62 is a non-linear resistor with a resistance of 125 ohm and a tolerance of 25%. It is used for overload protection in various applications, featuring dual-ended terminal placement and a rectangular package shape.
RXEF185K
TE Connectivity
TE Connectivity's RXEF185K is a PTC thermistor with 0.19 ohm resistance and 72V operating voltage. It offers overload protection in applications, featuring radial terminal placement and disk package shape. With CSA, TUV, UL certifications, it operates b/w -40°C to 85°C temperatures.
B72207-S271-K101
TDK's B72207-S271-K101 varistor has a max energy capacity of 21J, operating voltage of 350V, and rated AC voltage of 275V. Ideal for surge protection in applications requiring high energy absorption such as power supplies and industrial equipment.
250R120U
Littelfuse
250R120U by Littelfuse is a PTC resettable fuse with resistance of 4 ohm and rated AC voltage of 250 V. It is used for overcurrent protection in applications requiring radial terminal placement and rectangular package shape. Operating voltage is 60 V, with max temperature of 85 °C and min of -40 °C.
RUEF250-AP
RUEF250-AP by TE Connectivity is a PTC resettable fuse with resistance of 0.07 ohm, rated power dissipation of 1.2W, and URac of 30V. It is used for temperature sensing applications with radial terminal placement in a rectangular package. Operating temperatures range from -40 to 85°C making it suitable for various electronic devices.
MINISMDC075F/24
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Rated Power Dissipation (P): .8 W; Maximum Operating Temperature: 85 Cel; Terminal Finish: Matte Tin (Sn) - with Nickel (Ni) barrier; No. of Terminals: 2;
0603L100SLYR
0603L100SLYR by Littelfuse is a PTC resettable fuse with resistance of 0.04 ohm, operating voltage of 6V, and rated power dissipation of 0.6W. It is used for overcurrent protection in applications requiring dual-ended terminal placement and surface mounting type.
MF-USMF110-2
Bourns
The Bourns MF-USMF110-2 is a PTC resettable fuse with resistance of 0.05 ohm, operating voltage of 6V, and max temp of 85°C. It is used for overcurrent protection in various applications due to its dual-ended terminal placement and SMT package style.
MF-R090-0-99
Bourns MF-R090-0-99 is a PTC resettable fuse with 60V operating voltage. It offers overcurrent protection in radial package shape for through-hole mounting. With -40 to 85°C temp range, matte tin finish, and CUL/TUV/UL standards, it's ideal for various applications.
55002
Ysi
NTC THERMISTOR; No. of Terminals: 2;
TRF250-145U
TE Connectivity's TRF250-145U is a PTC resettable fuse with 2 terminals, rated for 60V AC voltage. Its disk package measures 6mm x 3.8mm x 10mm and operates b/w -40°C to 85°C. Ideal for temperature sensing applications with radial terminal placement.
MF-NSMF150-2
Bourns MF-NSMF150-2 is a PTC resettable fuse with resistance of 0.03 ohm, operating voltage of 6V, and temperature range from -40 to 85°C. It's a surface mount device in rectangular package for automotive, industrial, and consumer electronics applications.
B72210-S301-K101
The TDK B72210-S301-K101 is a VARISTOR with 47J energy capacity, 385V operating voltage, and -40 to 85°C temperature range. It has RADIAL terminals and DISK PACKAGE shape, suitable for surge protection in various electronic circuits.
RL3004-2214-122-D1
Amphenol
Amphenol's RL3004-2214-122-D1 is a NTC thermistor with 4000 ohm resistance, suitable for temperature sensing applications. It features a disk package shape, wire terminals, and operates b/w -50°C to 150°C. Ideal for through hole mounting with a high thermal sensitivity index of 4417 K.
RXEF075-AP
TE Connectivity's RXEF075-AP is a PTC resettable fuse with resistance of 0.25 ohm and rated power dissipation of 0.92 W. It is used for temperature sensing applications, featuring radial terminal placement and disk package shape for through hole mounting.
RXEF075S
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Shape (Package): DISK PACKAGE; Rated AC Voltage (URac): 72 V;
0ZCF0100AF2A
Bel Fuse
Bel Fuse's 0ZCF0100AF2A is a PTC resettable fuse with resistance of 0.09 ohm, operating voltage of 60V, and max circuit DC voltage of 60V. It is used for temperature sensing applications with dual-ended terminals in a rectangular SMT package.
RXEF090-2
TE Connectivity's RXEF090-2 is a PTC resettable fuse with resistance of 0.47 ohm and rated power dissipation of 0.99W. Ideal for temperature sensing applications, it has a max operating temperature of 85°C and min of -40°C, featuring radial terminal placement in disk package.
PESD0402-240
PESD0402-240 by Littelfuse is a VARISTOR with 24V operating voltage, METAL GLAZE/THICK FILM tech, and DUAL ENDED terminal placement. Ideal for surge protection in automotive electronics due to AEC-Q200 compliance and compact SMT package (0.6mm x 1.1mm x 0.43mm).
PRG18BB470MB1RB
Murata Manufacturing
Murata Manufacturing's PRG18BB470MB1RB is a PTC resettable fuse with 47 ohm resistance and 20% tolerance. It is used for overcurrent protection, featuring dual-ended terminals in a rectangular SMT package. With a rated AC voltage of 24V, it operates b/w -20°C to 75°C, meeting CUL and UL standards.
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RUEF400
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .05 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 30 V;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .05 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE;
RUEF400-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .05 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .05 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; Shape (Package): RECTANGULAR PACKAGE;
RUEF250U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .02 ohm; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE; Package Style (Meter): Radial;
TE Connectivity's RUEF250U is a PTC resettable fuse with rated power dissipation of 1.2W and operating voltage of 100V. It is used for temperature sensing applications, featuring radial terminal placement and rectangular package shape. The thermistor has dimensions of 8.1mm x 2.8mm x 16.3mm, suitable for through-hole mounting in various electronic devices.
RUEF250
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Rated Power Dissipation (P): 1.2 W; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel;
TE Connectivity's RUEF250 is a PTC resettable fuse with resistance of 0.07 ohm and rated power dissipation of 1.2W. It is used for temperature sensing applications, featuring radial terminal placement and rectangular package shape. Operating temperatures range from -40 to 85°C.
RUEF400-1
TE Connectivity's RUEF400-1 is a PTC resettable fuse with resistance of 0.05 ohm and rated AC voltage of 30V. Ideal for temperature sensing applications, it features radial terminal placement in a rectangular package. With dimensions of 14mm x 3mm x 19.3mm, it operates b/w -40°C to 85°C and has a power dissipation of 2.5W.
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Rated Power Dissipation (P): 1.2 W; Maximum Operating Temperature: 85 Cel; Thermistor Application: TEMPERATURE SENSING;
RUEF400-AP
TE Connectivity's RUEF400-AP is a non-linear resistor with a resistance of 0.05 ohm and rated AC voltage of 30V. It is used for temperature sensing applications, with a max operating temperature of 85°C and min operating temperature of -40°C. Its rectangular package shape and radial terminal placement make it suitable for through hole mounting.
RUEF250-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Rated Power Dissipation (P): 1.2 W; Maximum Operating Temperature: 85 Cel; Manufacturer Series: RUEF;
RUEF400K
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .05 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2;
RUEF400K-AP
PTC RESETTABLE FUSE; Manufacturer Series: RUEF;
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