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: 5.4 ohm; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 250 V; Thermistor Application: OVERLOAD PROTECTION;
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Non-linear Resistors 250R120-RCU attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Additional Features:
JESD-609 Code:
Manufacturer Series:
Mounting Type:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Shape (Package):
Packing Method:
Rated AC Voltage (URac):
Resistance:
Resistor Type:
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250R120-RCU 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.
2N2222A
Semiconductor Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAV99
Rfe International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Shanghai Lunsure Electronic Technology
EU2B-YS3303C
Idec
ROTARY SWITCH;
1N4148WS
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Meritek Electronics
261
Deltrol Controls
Other Relays;
LL4148
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LIS3DHTR
STMicroelectronics
LIS3DHTR by STMicroelectronics is a 16-terminal accelerometer with output range of 0.18-1.62V, ideal for motion sensing applications. Operating temperature ranges from -40 to 85°C, making it suitable for various environments. With a compact square package body of 3x3mm and digital voltage output type, it is commonly used in surface mount designs.
EPCS4SI8N
Intel
EPCS4SI8N by Intel is a small outline flash memory with 512Kx8 organization, operating at 3.3V. It features a max clock frequency of 40MHz and endurance of 100k write/erase cycles. Ideal for industrial applications requiring configuration memory with serial interface and low standby current consumption.
1N4148
Sun Wai Electronic
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Recovery Time: .004 us; Maximum Repetitive Peak Reverse Voltage: 100 V;
2N7002
Telcom Semiconductor
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; JESD-609 Code: e0;
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.
FDD5614P
Onsemi
FDD5614P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features 45A IDM and 0.1 ohm RDS(ON), operating in ENHANCEMENT MODE at up to 175°C. The PLASTIC/EPOXY package with GULL WING terminals ensures efficient heat dissipation and reliable performance.
RC0402FR-071KL
Yageo
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.
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Package Style (Meter): SMALL OUTLINE; Terminal Position: DUAL;
SS14
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/58-360
Positronic Industries
CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CONTACT; DIN Conformity: NO; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354; Contact Type: CRIMP REAR RELEASE;
SMBJ18CA
Sangdest Microelectronics (Nanjing)
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MBR0530T1G
MBR0530T1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.375V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring high-speed switching in compact electronic devices like smartphones and tablets. The package style is small outline with gull wing terminals for surface mount assembly.
TRF250-180
TE Connectivity
TE Connectivity's TRF250-180 is a PTC resettable fuse with 4 ohm resistance and rated power dissipation of 1.5W. Ideal for temperature sensing applications, it has radial terminal placement in a disk package, dimensions of 9mm x 3.8mm x 12mm, and operates b/w -40°C to 85°C.
B72214S2271K101
TDK
B72214S2271K101 by TDK is a VARISTOR with 350V operating voltage and 275V max RMS circuit voltage. With METAL OXIDE FILM technology, it offers high energy absorption up to 110J, making it ideal for surge protection applications in various electronic devices. Its RADIAL package style and THROUGH HOLE mounting type ensure easy installation and reliable performance in extreme temperature conditions from -40°C to 105°C.
MF-MSMF110-2
Bourns
The Bourns MF-MSMF110-2 is a PTC resettable fuse with resistance of 0.04 ohm, operating voltage of 6V, and max temp of 85°C. It's used for overcurrent protection in various applications due to its dual-ended terminal placement and SMT package style. Ideal for surface mounting with gold over nickel finish, it meets CUL, TUV, and UL standards.
MF-PSMF020X-2
The Bourns MF-PSMF020X-2 is a PTC resettable fuse with resistance of 0.65 ohm, suitable for overcurrent protection in circuits up to 9V DC. It features dual-ended terminals, SMT package style, and operates b/w -40°C to 85°C. Ideal for applications requiring compact surface-mount components with gold-nickel finish.
1812L050/60MR
Littelfuse
1812L050/60MR by Littelfuse is a PTC resettable fuse with a max operating temperature of 85°C and operating voltage of 60V. It is designed for overcurrent protection applications, featuring dual-ended terminals and surface mounting type. The thermistor has a compact SMT package style, making it suitable for various electronic devices.
311P18-07S7R6
Quality Thermistor
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Maximum Operating Temperature: 90 Cel; Tolerance: .81 %; Thermistor Application: TEMPERATURE SENSING;
RUEF250S
TE Connectivity's RUEF250S is a PTC resettable fuse with resistance of 0.07 ohm and rated power dissipation of 1.2W. Ideal for temperature sensing applications, it features radial terminal placement and dimensions of 11.4mm x 3mm x 17.5mm, operating at a max temperature of 85°C.
MF-MSMF110/24X-2
The Bourns MF-MSMF110/24X-2 is a PTC resettable fuse with resistance of 0.06 ohm, operating voltage of 24V, and dual-ended terminal placement. Ideal for overcurrent protection in various applications, it features SMT package style, gold over nickel terminal finish, and AEC-Q200 reference standard compliance.
RXEF050-AP
TE Connectivity's RXEF050-AP is a PTC resettable fuse with resistance of 0.5 ohm and rated power dissipation of 0.77W. Ideal for temperature sensing applications, it has a max operating temperature of 85°C and min of -40°C, with radial terminal placement in disk package shape.
0ZCG0050AF2C
Bel Fuse
Bel Fuse's 0ZCG0050AF2C is a PTC resettable fuse with resistance of 0.15 ohm, operating voltage of 30V, and rated power dissipation of 0.8W. It is used for temperature sensing applications with dual-ended terminal placement in surface mount packaging.
MINISMDC030F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .2 ohm; Maximum Operating Temperature: 85 Cel; Height (Package): .89 mm; Operating Voltage: 30 V;
1206L010/60WR
Littelfuse 1206L010/60WR is a PTC resettable fuse with resistance of 1.5 ohm and operating voltage of 60V. It features dual-ended terminals, SMT package style, and matte tin finish. Ideal for overcurrent protection applications with temperature range from -40 to 85°C.
NTCS0402E3473FXT
Vishay Bc Components
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 47000 ohm; Rated Power Dissipation (P): .07 W; Maximum Operating Temperature: 150 Cel; Tolerance: 1 %;
1206L035/16YR
Littelfuse 1206L035/16YR is a PTC resettable fuse with resistance of 0.3 ohm, operating voltage of 16V, and max temp of 85°C. It is used for overcurrent protection in surface mount applications with dual-ended terminals and rectangular package shape.
B57235-S609-M
Siemens
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 6 ohm; Shape (Package): DISK PACKAGE; Terminal Shape: WIRE; Thermistor Application: SOFT START;
B57237-S509-M
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 5 ohm; Maximum Operating Temperature: 170 Cel; Thermistor Application: SOFT START; Shape (Package): DISK PACKAGE;
MF-USMF010-2
The Bourns MF-USMF010-2 is a PTC resettable fuse with resistance of 0.8 ohm, operating voltage of 30V, and dual-ended terminals in a rectangular SMT package. It is used for overcurrent protection applications, featuring gold over nickel terminal finish and AEC-Q200, CUL, TUV, UL standards compliance.
RF1256-000
VARISTOR; Terminal Finish: MATTE TIN OVER NICKEL; Manufacturer Series: PESD; JESD-609 Code: e3;
MF-R050-2
The Bourns MF-R050-2 is a PTC resettable fuse with resistance of 0.41 ohm, operating voltage of 60V, and temperature range from -40 to 85°C. It features radial terminal placement and wire-shaped terminals, suitable for through-hole mounting applications in various electronic circuits.
B72214S0250K101
B72214S0250K101 by TDK is a VARISTOR with 25V RMS and 31V DC max circuit voltage. It has a 7J energy capacity, -40 to 105°C operating temp range, and radial terminal placement. Ideal for surge protection in various electronic applications.
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250R120U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 4 ohm; Maximum Operating Temperature: 85 Cel; Shape (Package): RECTANGULAR PACKAGE; Maximum Circuit RMS Voltage: 250 V;
250R080U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 14 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; Reference Standard: CUL; TUV; UL;
250R080TZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Shape (Package): DISK PACKAGE; JESD-609 Code: e3; Terminal Shape: WIRE;
250R120-R1U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 6 ohm; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 250 V; Additional Features: 6 TO 16 OHMS MEASURED AT 20 DEG CEL;
250R120-RAU
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7 ohm; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; Shape (Package): RECTANGULAR PACKAGE;
250R120C-R3
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; No. of Terminals: 2; Thermistor Application: OVERLOAD PROTECTION; Manufacturer Series: 250R; Terminal Finish: Matte Tin (Sn);
250R120-RCZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 5.4 ohm; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE; Terminal Placement: RADIAL;
250R080DR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 14 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; Shape (Package): DISK PACKAGE;
250R120-R1ZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 6 ohm; Maximum Operating Temperature: 85 Cel; Additional Features: 6 TO 16 OHMS MEASURED AT 20 DEG CEL; Manufacturer Series: 250R;
250R120-R2U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 8 ohm; Maximum Operating Temperature: 85 Cel; Shape (Package): RECTANGULAR PACKAGE; No. of Terminals: 2;
250R120-R3ZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 8 ohm; Maximum Operating Temperature: 85 Cel; Terminal Finish: Matte Tin (Sn); Minimum Operating Temperature: -40 Cel;
250R120C-R1
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; No. of Terminals: 2; Terminal Placement: RADIAL; Terminal Finish: Matte Tin (Sn); Thermistor Application: OVERLOAD PROTECTION;
250R120-RAZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 7 ohm; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 250 V; Minimum Operating Temperature: -40 Cel;
250R080TU
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 15 ohm; Maximum Operating Temperature: 85 Cel; Rated AC Voltage (URac): 250 V; Thermistor Application: OVERLOAD PROTECTION;
250R120-R2ZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 8 ohm; Maximum Operating Temperature: 85 Cel; Package Style (Meter): Radial; Terminal Placement: RADIAL;
250R120C-RC
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Thermistor Application: OVERLOAD PROTECTION; Manufacturer Series: 250R; JESD-609 Code: e3; Terminal Finish: Matte Tin (Sn);
250R080
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 22 ohm; Maximum Operating Temperature: 85 Cel; Length (Package): 5.8 mm; Width (Package): 4.6 mm;
250R080TDR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 15 ohm; Maximum Operating Temperature: 85 Cel; JESD-609 Code: e3; Terminal Finish: Matte Tin (Sn);
250R080ZR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: 14 ohm; Maximum Operating Temperature: 85 Cel; Operating Voltage: 60 V; No. of Terminals: 2;
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