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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Featured manufacturers
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 18.5 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; Reference Standard: CSA; TUV; UL;
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$0.396
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$0.270
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$0.243
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$0.215
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Non-linear Resistors RF1251-000 attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Maximum Circuit RMS Voltage:
Mounting Type:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Height (Package):
Length (Package):
Package Style (Meter):
Width (Package):
Packing Method:
Reference Standard:
Resistance:
Resistor Type:
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Operating Voltage:
RF1251-000 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.
CRG0805F10R
Tyco Electronics Components
FIXED RESISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 1 %;
LM2675M-ADJ/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
BSS138PS,115
NXP Semiconductors
NXP Semiconductors' BSS138PS,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A max drain current. Ideal for switching applications, it features a 1.6 ohm max on-resistance and operates in enhancement mode. The transistor comes in a small outline package with GULL WING terminals, making it suitable for surface mount designs.
LM555CMX
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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.
M39029/58360
Souriau
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; Tool Settings: M22520/2-09; Terminal Type: CRIMP; MIL Conformity: YES; Mating Contacts: M39029/56348;
2N2222A
Allegro MicroSystems
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Transistor & Electronic
LL4148
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
MBR0520LT1G
MBR0520LT1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, has a peak reflow temperature of 260°C, and a repetitive peak reverse voltage of 20V. This diode is ideal for applications requiring high-speed switching in compact electronic devices.
FDN306P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Maximum Drain Current (Abs) (ID): 2.6 A; Operating Mode: ENHANCEMENT MODE;
1N4148
Surge Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM358AN
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
Lite-on Semiconductor
MBRS130LT3G
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
FDLL4148
DS18B20U
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Equivalence Code: TSSOP8,.19;
LM78L05ACMX/NOPB
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
LM7805CT
Texas Instruments
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.
RXEF110
Littelfuse
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Maximum Circuit RMS Voltage: 72 V; Width (Package): 3 mm; Height (Package): 12.8 mm;
NTCS0805E3104FXT
Vishay Bc Components
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 100000 ohm; Rated Power Dissipation (P): .21 W; Maximum Operating Temperature: 150 Cel; Tolerance: 1 %;
NCP18WF104F12RB
Murata Manufacturing
Murata Manufacturing's NCP18WF104F12RB is a Non-linear Resistor with 100000 ohm resistance, 1% tolerance, and operating voltage of 5V. It is used for temperature sensing applications due to its thermal sensitivity index of 4200K and can operate b/w -40°C to 125°C. The thermistor comes in a rectangular SMT package with dual-ended terminals and wraparound shape.
RXEF010
TE Connectivity
TE Connectivity's RXEF010 is a PTC resettable fuse with 4.5 ohm resistance, suitable for temperature sensing applications. Featuring radial terminal placement and disk package shape, it operates b/w -40 to 85°C with a max voltage of 60V. Ideal for through-hole mounting in various electronic circuits.
RKEF250
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.
B57550G1103F005
TDK
B57550G1103F005 by TDK is a NTC thermistor with 10000 ohm resistance, 1% tolerance, and 3625 K thermal sensitivity index. It is used for temperature sensing applications in chassis mount setups due to its radial terminal placement and flexible wire terminals. Operating temperature ranges from -55°C to 300°C.
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;
NANOSMDC016F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: 1.1 ohm; Maximum Operating Temperature: 85 Cel; Thermistor Application: OVERCURRENT PROTECTION; JESD-609 Code: e3;
Harris Semiconductor
VARISTOR; Mounting Type: SURFACE MOUNT; Rated Power Dissipation (P): .25 W; Maximum Operating Temperature: 125 Cel; Minimum Operating Temperature: -55 Cel; Operating Voltage: 369 V;
V14E25P
V14E25P by Littelfuse is a VARISTOR with METAL OXIDE FILM tech, 25 J energy capacity, and 31 V operating voltage. Ideal for surge protection in circuits with max RMS voltage of 25 V. RADIAL terminal placement, THROUGH HOLE mounting type, and CUL/TUV/UL certified.
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.
0ZCG0030FF2C
Bel Fuse
Bel Fuse's 0ZCG0030FF2C is a PTC resettable fuse with resistance of 0.2 ohm, operating voltage of 30V, and rated power dissipation of 0.8W. Ideal for temperature sensing applications, it features dual-ended terminals in a surface mount package style.
NANOSMDC050F/13.2-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .2 ohm; Maximum Operating Temperature: 85 Cel; Terminal Shape: WRAPAROUND; Thermistor Application: OVERCURRENT PROTECTION;
RUEF400K-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;
B57235-S100-M
Siemens
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10 ohm; Maximum Operating Temperature: 170 Cel; No. of Terminals: 2; Thermistor Application: SOFT START;
EZJZ1V270GA
Panasonic
The Panasonic EZJZ1V270GA is a varistor resistor with 16V operating voltage and -40 to 85°C temperature range. It features dual-ended terminals in a rectangular SMT package, suitable for surface mount applications requiring protection against voltage surges.
NTC0805J10K
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 5 %;
V5.5MLA0805LNH
VARISTOR; Mounting Type: SURFACE MOUNT; Maximum Operating Temperature: 125 Cel; Terminal Finish: MATTE TIN OVER NICKEL; Maximum Circuit RMS Voltage: 4 V; Minimum Operating Temperature: -40 Cel;
MF-SMDF050-2
Bourns
The Bourns MF-SMDF050-2 is a PTC resettable fuse with resistance of 0.2 ohm and operating voltage of 60V. It features dual-ended terminals, SMT package style, and gold over nickel terminal finish. Ideal for applications requiring protection against overcurrent events in electronic circuits.
V14P25P
V14P25P by Littelfuse is a VARISTOR with METAL OXIDE FILM tech. It has 25 J energy capacity, 31 V operating voltage, and -40 to 125 °C temp range. Ideal for surge protection in various applications due to its high energy absorption and temperature tolerance.
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RF1256-000
VARISTOR; Manufacturer Series: PESD;
VARISTOR; Terminal Finish: MATTE TIN OVER NICKEL; Manufacturer Series: PESD; JESD-609 Code: e3;
RF1238-000
PTC RESETTABLE FUSE;
PTC RESETTABLE FUSE; Terminal Finish: MATTE TIN OVER NICKEL; JESD-609 Code: e3;
RF1245-000
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 18.5 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Shape (Package): DISK PACKAGE;
RF1246-000
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7.4 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Terminal Shape: WIRE;
RF1252-000
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7.4 ohm; Maximum Operating Temperature: 85 Cel; Maximum Circuit RMS Voltage: 240 V; Terminal Placement: RADIAL;
Supply Digital Components
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