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: THROUGH HOLE MOUNT; Resistance: 300 ohm; Maximum Operating Temperature: 150 Cel; Tolerance: 10 %; Thermal Sensitivity Index: 3419 K;
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Non-linear Resistors DC301F3K attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Mounting Type:
No. of Terminals:
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Minimum Operating Temperature:
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Rated Temperature:
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DC301F3K Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.70
SB
8533.40.00.80
PCN Obsolescence/ EOL - DK OBS NOTICE
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
North American Philips Discrete Products Div
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148
Frontier Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
08055C104KAT2A
KYOCERA AVX
08055C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Semtech
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SS14
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99LT1G
Onsemi
BAV99LT1G by Onsemi is a series connected diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.006 us and can handle up to 100V repetitive peak reverse voltage. Ideal for rectification applications, this diode operates b/w -65°C to 150°C temperature range.
1N5819HW-7-F
Diodes Incorporated
1N5819HW-7-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 1A output current, and 0.75V forward voltage. It's a surface mount device in a small outline package ideal for efficiency applications at temperatures ranging from -65 to 125°C.
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; No. of Phases: 1; Config: SINGLE; Maximum Operating Temperature: 125 Cel;
2N7002
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
NXP Semiconductors
261
New England Microwave
Other Interface ICs; No. of Terminals: 14; Package Equivalence Code: FL14(UNSPEC); Power Supplies (V): +-5,-15; Package Body Material: PLASTIC/EPOXY; Surface Mount: YES;
BAV99
First Components International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Semitron
Plessey Semiconductors Discrete Components Div
Comset Semiconductors
ERJ3EKF1002V
Panasonic
Panasonic's ERJ3EKF1002V is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance.
Concord Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V;
Sensitron Semiconductor
Texas Instruments
1N4148 by Texas Instruments is a rectifier diode with max reverse recovery time of 0.004 us and max forward voltage of 1V. Ideal for applications requiring low reverse current such as signal demodulation circuits. Operates at max temp of 200°C, making it suitable for high-temperature environments.
MINISMDC014F-2
TE Connectivity
TE Connectivity's MINISMDC014F-2 is a PTC resettable fuse with 2 terminals, rated for 60V AC. Its dual-ended terminal placement and rectangular package make it ideal for temperature sensing applications. With a max operating temperature of 85°C, it is designed for surface mounting in various electronic devices.
RUEF300
Littelfuse
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .08 ohm; Rated Power Dissipation (P): 2 W; Maximum Operating Temperature: 85 Cel; Additional Features: RESISTANCE RANGE(MIN-MAX): 0.020-0.050;
TRF250-120UT
TE Connectivity's TRF250-120UT 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 6mm x 3.8mm x 10mm. Compliant with CSA, TUV, and UL standards, it operates b/w -40°C to 85°C.
VCAS06AG18120YAT3A
VCAS06AG18120YAT3A by KYOCERA AVX is a VARISTOR with 18V operating voltage and 14V max circuit RMS voltage. It has dual-ended terminal placement, SMT package style, and AEC-Q200 reference standard. Ideal for automotive applications due to its wide temperature range (-55 to 125 °C) and surface mounting type.
1812L110/33MR-A
1812L110/33MR-A by Littelfuse is a PTC resettable fuse with a resistance of 0.06 ohm and an operating voltage of 33V. It is used for overcurrent protection in various applications, featuring dual-ended terminal placement and surface mounting type.
2920L075/60MR
2920L075/60MR by Littelfuse is a PTC resettable fuse with resistance of 0.3 ohm and operating voltage of 60V. 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.
SIOV-S20K275
Siemens
VARISTOR; Mounting Type: THROUGH HOLE MOUNT; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 85 Cel; Maximum Circuit RMS Voltage: 275 V; Minimum Operating Temperature: -40 Cel;
RF2649-000
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .13 ohm; Rated Power Dissipation (P): 2.5 W; Maximum Operating Temperature: 85 Cel; Terminal Finish: MATTE TIN;
B72650M0131K072
TDK
B72650M0131K072 by TDK is a non-linear resistor with a max energy absorbing capacity of 4.2 J. It is a metal oxide film varistor that can operate at temperatures ranging from -40 to 85 °C. This surface mount varistor has a max circuit RMS voltage of 130 V and is commonly used for surge protection in electronic devices.
NTCS0603E3103FHT
Vishay Bc Components
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 150 Cel; Tolerance: 1 %;
RXEF050S
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Thermistor Application: TEMPERATURE SENSING; Minimum Operating Temperature: -40 Cel; Additional Features: 0.5-0.77 OHMS AT 20 DEG CEL;
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.
RXEF185-AP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE; Rated AC Voltage (URac): 72 V; Terminal Placement: RADIAL;
NTCS0603E3473FHT
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 47000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 150 Cel; Tolerance: 1 %;
ERZV07D470
The Panasonic ERZV07D470 is a VARISTOR with 2.8J energy absorption, suitable for SURGE PROTECTION applications. It has a max operating temperature of 85°C and can handle up to 30V RMS voltage. With RADIAL terminal placement and DISK PACKAGE shape, it offers reliable protection in bulk packaging.
2016L030DR
2016L030DR by Littelfuse is a PTC resettable fuse with resistance of 0.5 ohm, operating voltage of 60V, and dual-ended terminals. It is used for overcurrent protection in surface mount applications. Dimensions are 5.44mm x 4.43mm x 1.25mm with a max operating temperature of 85°C and min of -40°C.
MF-SMDF050
Bourns
The Bourns MF-SMDF050 is a PTC resettable fuse with resistance of 0.2 ohm and rated power dissipation of 0.9 W. It is used for overload protection in applications requiring a max operating temperature of 85°C and rated AC voltage of 60 V. The dual-ended, surface mount package features gold over nickel terminal finish and wraparound terminal shape for reliable performance.
RGEF600
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; Terminal Placement: RADIAL; Terminal Shape: WIRE;
RXEF090-2
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; JESD-609 Code: e3; No. of Terminals: 2;
RUEF400K-AP
PTC RESETTABLE FUSE; Manufacturer Series: RUEF;
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DC302J2K
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 3000 ohm; Maximum Operating Temperature: 150 Cel; Tolerance: 10 %; No. of Terminals: 2;
DC303J2K
NTC THERMISTOR; Mounting Type: THROUGH HOLE MOUNT; Resistance: 30000 ohm; Maximum Operating Temperature: 150 Cel; Tolerance: 10 %; Terminal Shape: WIRE;
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