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: 8 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Length (Package): 6.5 mm;
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$0.394
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DigiKey
$0.880
Nova Conductors
$0.450
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$0.420
Continental Prestige Electronics
$0.441
Argo Parts USA
$0.436
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Non-linear Resistors TRF250-120T-R2-B-0.5 attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Additional Features:
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TRF250-120T-R2-B-0.5 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.
LM317T
Linear Technology
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Operating Temperature (TJ-Min): 0 Cel; No. of Functions: 1; JESD-609 Code: e0;
1N4148
Leshan Radio
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
Fairchild Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Output Current-1: 1.5 A; No. of Outputs: 1; Qualification Status: Not Qualified;
Hitachi
EU2B-YS3203C
Idec
ROTARY SWITCH;
Capar Components
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Forward Voltage (VF): 1 V; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Output Current: .15 A;
BAV99
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Brightking
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Eic Semiconductor
Transys Electronics
BSS123,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Moisture Sensitivity Level (MSL): 1; No. of Terminals: 3; Maximum Time At Peak Reflow Temperature (s): 30;
Electronic Devices
1N4148WS
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2003ADR
Texas Instruments
ULN2003ADR by Texas Instruments is a NPN BJT with 7 elements, max IC of 0.5A, and VCEsat of 1.6V. Ideal for switching applications in small outline packages with Gull Wing terminals.
Micro Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
MMBT2907ALT1G
MMBT2907ALT1G by Onsemi is a PNP BJT transistor with 100 min hFE, 60V VCEO, and 200MHz fT. Ideal for switching applications, it has a small outline package with Gull Wing terminals and can handle up to 0.6A of collector current.
MMBF170LT1G
Rochester Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Package Style (Meter): SMALL OUTLINE; No. of Terminals: 3;
LM555CM
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM358N
Kec
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
ES110-0001
Honeywell Sensing And Control
ES110-0001 by Honeywell Sensing And Control is a NTC thermistor with 2000 ohm resistance, 5% tolerance, and thermal sensitivity index of 3468 K. It is used for temperature sensing applications in a rectangular package with panel mount terminal shape. Operating temperatures range from -40 to 150 °C.
B57164-K103-J
TDK
TDK's B57164-K103-J NTC Thermistor has a resistance of 10000 ohm with 5% tolerance. It operates b/w -55°C to 125°C, making it ideal for temperature compensation applications. With a rated power dissipation of 0.45W and thermal sensitivity index of 4300K, it is suitable for through hole mounting in various electronic devices.
RGEF600
Littelfuse
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; Terminal Placement: RADIAL; Terminal Shape: WIRE;
RG1608P-4991-B-T5
Thin Film Technology
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Maximum Operating Temperature: 155 Cel; Tolerance: .1 %; JESD-609 Code: e3; Manufacturer Series: RG;
V5.5MLA0603H23
VARISTOR;
B72214S0271K101
The TDK B72214S0271K101 is a VARISTOR with 275V RMS and 350V DC max circuit voltage. It has a 71J energy capacity, -40 to 105°C operating temp range, and radial package style. Ideal for surge protection in various electronic applications.
RXEF185-2
TE Connectivity
TE Connectivity's RXEF185-2 is a PTC resettable fuse with resistance of 0.08 ohm and rated power dissipation of 2.1W. Ideal for temperature sensing applications, it has a max operating temperature of 85°C and min of -40°C, with radial terminal placement.
B72214P2301K101
B72214P2301K101 by TDK is a VARISTOR with 140J energy capacity, 385V operating voltage, and -40 to 105°C temperature range. Ideal for surge protection in electronic circuits due to its METAL OXIDE technology and DUAL ENDED terminal placement in a DISK PACKAGE.
SMD100F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .12 ohm; Maximum Operating Temperature: 85 Cel; Reference Standard: CSA; TUV; UL; Thermistor Application: OVERCURRENT PROTECTION;
RXEF185K-AP
TE Connectivity's RXEF185K-AP is a PTC resettable fuse with resistance of 0.19 ohm and rated power dissipation of 2.1W. It is used for temperature sensing applications, featuring radial terminal placement and disk package shape. Operating voltage is 72V with dimensions of 16.76mm x 3mm x 23mm, suitable for through hole mounting in various industries.
V275LA20A
General Electric Solid State
VARISTOR; Mounting Type: THROUGH HOLE MOUNT; Technology: METAL OXIDE FILM; Maximum Circuit RMS Voltage: 275 V; Operating Voltage: 369 V; Package Style (Meter): Radial;
ERZV07D470CS
Panasonic
Panasonic's ERZV07D470CS varistor has 2.8J energy capacity, 30V RMS voltage, and -40 to 85°C operating range. Ideal for surge protection in circuits with 38V DC voltage, it features radial terminals and disk package shape for through-hole mounting applications.
B72214-S271-K101
TDK's B72214-S271-K101 varistor has a max energy capacity of 71J, operating voltage of 350V, and max circuit RMS voltage of 275V. Ideal for surge protection in applications requiring non-linear resistors with radial terminal placement and disk package shape.
250R120U
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.
NANOSMDC075F-2
TE Connectivity's NANOSMDC075F-2 is a PTC resettable fuse with 6V URac, 0.8W power dissipation, and 85°C max operating temp. It features dual-ended terminals in a rectangular package for temperature sensing applications. Suitable for surface mounting method.
2016L050MR-A
PTC RESETTABLE FUSE;
60R185XF
60R185XF by Littelfuse is a PTC resettable fuse with resistance of 0.08 ohm and operating voltage of 60V. It is used for overcurrent protection in various applications. Featuring radial terminal placement, disk package shape, and matte tin finish, it operates b/w -40 to 85°C.
SG200
Rti Electronics
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 5 ohm; Maximum Operating Temperature: 65 Cel; Shape (Package): DISK PACKAGE; Minimum Operating Temperature: -40 Cel;
V430CH8
Intersil
Non-linear Resistors; Mounting Type: SURFACE MOUNT; Operating Voltage: 369 V; Maximum Circuit DC Voltage: 369 V; Package Style (Meter): Chip / Die; Maximum Circuit RMS Voltage: 275 V;
1206L150/12SLYR
1206L150/12SLYR by Littelfuse is a PTC resettable fuse with resistance of 0.01 ohm and operating voltage of 12V. It is used for overcurrent protection in various applications. This surface mount thermistor has dual-ended terminals, rectangular package shape, and operates b/w -40°C to 85°C.
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TRF250-180
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .8 ohm; Maximum Operating Temperature: 85 Cel; Terminal Shape: FLAT; Terminal Placement: RADIAL;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 4 ohm; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Width (Package): 3.8 mm;
TRF250-180-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 4 ohm; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; TR;
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;
TRF250-145U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Height (Package): 10 mm;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 3.5 ohm; Maximum Operating Temperature: 85 Cel; Width (Package): 3.8 mm; Maximum Circuit RMS Voltage: 250 V;
TRF250-145
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 3 ohm; Maximum Operating Temperature: 85 Cel; Shape (Package): DISK PACKAGE; Minimum Operating Temperature: -40 Cel;
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.
TRF250-120UT
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 60 V; Manufacturer Series: TRF250;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; Minimum Operating Temperature: -40 Cel;
TRF250-180U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Shape (Package): DISK PACKAGE; Terminal Shape: WIRE;
TRF250-180S
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Additional Features: RESISTANCE RANGE(MIN-MAX): 0.8-2.2; Manufacturer Series: TRF250;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Additional Features: RESISTANCE RANGE(MIN-MAX): 0.8-2.2; Terminal Placement: RADIAL;
TRF250-180S-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1.5 W; Maximum Operating Temperature: 85 Cel; Additional Features: RESISTANCE RANGE(MIN-MAX): 0.8-2.2; Rated AC Voltage (URac): 100 V;
TE Connectivity's TRF250-180S-2 is a PTC resettable fuse with 1.5W power dissipation and 100V rated AC voltage. Ideal for temperature sensing applications, it features radial terminal placement in a disk package, suitable for through-hole mounting at up to 85°C operating temperature.
TRF250-120T
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 60 V; Terminal Placement: RADIAL;
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Additional Features: RMAX:12 OHMS AT 20 DEG CEL;
TRF250-120T-R2-B-0.5
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; Reference Standard: CSA, TUV, UL; Manufacturer Series: TRF250;
TRF250-120T-R1-B-0.5
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 6 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Shape (Package): DISK PACKAGE;
Supply Digital Components
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