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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NTC THERMISTOR; Mounting Type: CHASSIS MOUNT; Resistance: 10000 ohm; Maximum Operating Temperature: 105 Cel; Tolerance: 2 %; Thermistor Application: TEMPERATURE SENSING;
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Non-linear Resistors USP3021 attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
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No. of Terminals:
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Minimum Operating Temperature:
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USP3021 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.
BAV99-7-F
Multicomp Pro
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Surge Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
OPA2277UA/2K5
Texas Instruments
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.
BSS138
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Operating Mode: ENHANCEMENT MODE;
M24308/2-1F
Adi Electronics
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; MIL Conformity: YES; Filter Feature: NO; Mating Info.: MULTIPLE MATING PARTS AVAILABLE;
LM555CM
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
FT232RL-REEL
FTDI
FTDI's FT232RL-REEL is a bus controller with 28 terminals, operating at 3.3V to 5.25V. It supports USB, VBUS, and UART buses with a data transfer rate of 60MBps. Ideal for industrial applications due to its CMOS technology and compatibility with RS232, RS422, and RS485 standards.
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
LM317TG
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Minimum Input-Output Voltage Differential: 3 V; Qualification Status: Not Qualified; No. of Functions: 1;
Kec
LM2675M-ADJ/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
43025-0400
Molex
The Molex 43025-0400 is a board connector with 4 contacts, 2 rows, and a mating contact pitch of 0.118". It has a body length of 0.27", insulation resistance of 1Gohm, and operates b/w -40 to 105°C. Ideal for commercial applications requiring a female connector with crimp termination and UL94V-0 flammability rating.
STM8S003F3P6TR
STMicroelectronics
STM8S003F3P6TR by STMicroelectronics is an 8-bit microcontroller with a max clock frequency of 16 MHz. It features 1024 RAM bytes, 128 data EEPROM size, and 5-ch 10-bit ADC channels. Ideal for industrial applications requiring low power mode and connectivity via I2C, SPI, and UART interfaces.
CL10B104KB8NNNC
Samsung Electro-mechanics
CL10B104KB8NNNC by Samsung Electro-mechanics is a ceramic capacitor with capacitance of 0.1uF and rated DC voltage of 50V. It has a negative tolerance of 10% and temperature coefficient of 15ppm/°C, suitable for surface mount applications in various electronic devices. With dimensions of 1.6mm x 0.8mm x 0.9mm, it operates b/w -55 to 125 °C providing stable performance in compact designs.
STM32H743ZIT6
STM32H743ZIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications, offering features such as 21 timers, CAN and USB connectivity, and low power mode.
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Micropac Industries
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
Gec Plessey Semiconductors
MF-PSMF110X-2
Bourns
Bourns MF-PSMF110X-2 is a PTC resettable fuse with resistance of 0.06 ohm, dual-ended terminals, and SMT package style. Ideal for overcurrent protection applications, it has a max operating temperature of 85°C and min of -40°C. The rectangular package measures 2.3mm in length, 1.5mm in width, and 1.25mm in height for surface mounting method.
RUEF900K
TE Connectivity
TE Connectivity's RUEF900K is a PTC resettable fuse with resistance of 0.02 ohm and rated power dissipation of 4.2W. It is used for temperature sensing applications, featuring radial terminal placement in a rectangular package measuring 24.1mm x 3mm x 31mm. Operating voltage is at 30V with operating temperature range from -40°C to 85°C.
55002
Measurement Specialties
NTC THERMISTOR; No. of Terminals: 2;
RXEF010-1
TE Connectivity's RXEF010-1 is a PTC resettable fuse with radial terminal placement and disk package shape. Ideal for temperature sensing applications, it operates b/w -40°C to 85°C. With through-hole mounting, this non-linear resistor has 2 wire terminals.
V275LA20AP
Littelfuse
V275LA20AP by Littelfuse is a varistor with 275V URac and 369V operating voltage. With a max energy absorption of 75J, it's ideal for temperature compensation applications at temperatures ranging from -55°C to 125°C. This metal oxide film technology varistor has radial terminal placement and matte tin finish in a disk package shape.
TRF250-180
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .8 ohm; Maximum Operating Temperature: 85 Cel; Terminal Shape: FLAT; Terminal Placement: RADIAL;
MF-SM100-2-99
The Bourns MF-SM100-2-99 is a PTC resettable fuse with a resistance of 0.48 ohm and rated AC voltage of 30V. It is used for overload protection in various applications, featuring dual-ended terminal placement and a rectangular package shape.
1206L005/60WR
Littelfuse 1206L005/60WR is a PTC resettable fuse with 3.6 ohm resistance and 60V operating voltage. It is used for overcurrent protection in various applications, featuring dual-ended terminals and SMT package style. With a temperature range of -40 to 85°C, it meets CUL, TUV, and UL standards.
0ZCM0003FF2G
Bel Fuse
Bel Fuse's 0ZCM0003FF2G is a PTC resettable fuse with 6 ohm resistance, operating voltage of 30V, and dual-ended terminal placement. Ideal for automotive applications due to AEC-Q200 compliance and wide temperature range (-40 to 85 °C). Package style is SMT with matte tin finish, suitable for surface mounting.
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.
2016L050MR-A
PTC RESETTABLE FUSE;
RF2487-000
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .11 ohm; Maximum Operating Temperature: 85 Cel; Reference Standard: CSA; TUV; UL; Length (Package): 4.83 mm;
NTCS0805E3472FMT
Vishay Intertechnology
Vishay Intertechnology's NTCS0805E3472FMT is a 4700 ohm NTC thermistor with 1% tolerance. It has a thermal sensitivity index of 3500 K and operates b/w -40 to 150 °C. Ideal for temperature sensing applications, this surface mount thermistor features dual-ended terminals in a rectangular package.
RF1256-000
VARISTOR; Manufacturer Series: PESD;
MF-RX160/72-0
The Bourns MF-RX160/72-0 is a PTC resettable fuse with resistance of 0.09 ohm and operating voltage of 72V. It is used for overcurrent protection in applications requiring radial terminal placement and through-hole mounting, with reference standards including CUL, TUV, and UL certifications.
MF-GSMF300/36X-2
Bourns MF-GSMF300/36X-2 is a PTC resettable fuse with 0.01 ohm resistance, 36V operating voltage, and dual-ended terminals. Ideal for overcurrent protection in SMT applications, it has a temperature range of -40 to 85 °C and meets CUL, TUV, and UL standards.
NANOSMDC020F-2
TE Connectivity's NANOSMDC020F-2 is a PTC resettable fuse with a rated power dissipation of 0.6W and max operating temperature of 85°C. It features dual-ended terminal placement in a rectangular package, suitable for temperature sensing applications at up to 24V AC voltage.
RF2567-000
TE Connectivity's RF2567-000 is a PTC resettable fuse with 1.17 ohm resistance and rated AC voltage of 72V. Ideal for temperature sensing applications, it has a max operating temperature of 85°C and min of -40°C. With radial terminal placement and disk package shape, it offers 0.77W power dissipation in bulk packing method.
55015
1210L050YR
1210L050YR by Littelfuse is a PTC resettable fuse with resistance of 0.25 ohm, operating voltage of 13.2V, and max temp of 85°C. It's used for overcurrent protection in SMT applications with dual-ended terminals and rectangular package shape.
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USP3121
NTC THERMISTOR;
USP3275
USP3986
NTC THERMISTOR; Mounting Type: CHASSIS MOUNT; Resistance: 10000 ohm; Maximum Operating Temperature: 105 Cel; Terminal Placement: RADIAL; No. of Terminals: 2;
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