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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Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Minimum Valley Point Current: 8 mA; No. of Elements: 1;
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Unijunction Transistors (UFT) 2N2421B attributes and parameters. Explore more Unijunction Transistors (UFT) devices from Semitronics
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2N2421B Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-964-4469, 5961009644469
NIIN
009644469
Founded in 1952 Semitronics Corp was originally a supplier of electron tubes, which led to the distribution of electronic components in the late 50’s. With its expansion to Long Island in the mid 70’s, Semitronics Corp became a manufacturer of discrete commercial components for commercial and industrial industries. After a decade of success, Semitronics began supplying military components starting in the early 1980s. Semitronics moved on to acquire four product lines from the companies of General Electric, Westinghouse and Powerex. These acquisitions helped Semitronics establish itself in the value-added military market of providing electronic components to the country’s highest leading military Original Equipment Manufacturers (OEM’s) in the market. Semitronics established itself as a proven supplier of electronic component to the country’s leading military manufacturers along with the approval of their principal programs, which include: Apache TOW Missile M-130 Flare Dispenser Patriot Missile F-16 Falcon F-18 Superhornet Gator Cluster Bomb The Eurofighter Mark-54 Lightweight Torpedo And many more Semitronics continues to supply hi-reliability components providing an extensive list of products and services. With its military approved MIL-PRF-19500 manufacturing certification to the JAN, JANTX and JANTXV, it allows SES to provide not only standard components, but also selective devices that are required to meet the militaries Specification Drawing Requirements (SCD).
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
PIC18F4550T-I/PT
Microchip Technology
The Microchip Technology PIC18F4550T-I/PT microcontroller operates at a max clock frequency of 48 MHz with 8-bit architecture. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it suitable for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this device offers efficient performance in compact designs.
2N7002
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
1N4148WT
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
B340A-13-F
B340A-13-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 3A max output current, and 0.5V max forward voltage. It is used for efficiency applications in electronics due to its small outline package and high operating temperature range of -55°C to 150°C.
Jiangsu Changjiang Electronics Technology
BSS138BKW,115
NXP Semiconductors
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
RK73H2ATTD10R0F
Koa Speer Electronics
RK73H2ATTD10R0F by Koa Speer Electronics is a 0805 SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 reference standard and operating voltage of 150 V.
SS495A-SP
Honeywell Sensing And Control
SS495A-SP by Honeywell is a magnetic field sensor with 10.5V max supply voltage, 3" body width, and 1.5% linearity. Ideal for applications requiring a Hall effect sensor with -40 to 150°C operating temperature range, such as position sensing in automotive or industrial systems.
Formosa Microsemi
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Maximum Drain Current (Abs) (ID): .115 A;
LM555CM
Texas Instruments
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
MC7805CTG
MC7805CTG by Onsemi is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation. The package style is flange mount with through-hole terminals, ensuring easy installation and reliability in diverse electronic designs.
1N4148
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM317T
Integrated Power Semiconductors
Other Regulators; No. of Terminals: 3; Operating Temperature (TJ-Min): 0 Cel; Terminal Pitch: 2.54 mm; Maximum Load Regulation (%): 1.5 %; Nominal Dropout Voltage-1: 3 V;
BSS138BK,215
NXP Semiconductors' BSS138BK,215 is a N-CHANNEL FET with 0.36A max drain current and 0.42W power dissipation. Ideal for applications requiring single configuration and surface mount technology, such as enhancement mode operation in temperatures up to 150°C.
SS14
Forward International Electronics
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; No. of Elements: 1; No. of Phases: 1; Maximum Output Current: 1 A;
L7805CV
Sgs-ates Componenti Electronici S P A
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Terminal Finish: Tin/Lead (Sn/Pb); Nominal Output Voltage-1: 5 V;
M24308/2-1F
Esterline Technologies
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mounting Option-1: HOLE .115-.125; Mounting Type: CABLE AND PANEL; Mating Contact Finish: NOT SPECIFIED;
LL4148
Goodwork Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N489B
2N489B by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 70mA, operating temperature range of -65 to 140°C, and max power dissipation of 0.45W. With a package style of cylindrical and isolated case connection, it offers reliable performance in various electronic circuits.
2N489A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Peak Point Current: 12 mA; JEDEC-95 Code: TO-5;
2N1671B
2N1671B by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 50mA, operating temperature range of -65 to 140°C, and max power dissipation of 0.45W. With a package style of cylindrical and isolated case connection, it offers reliable performance in various electronic circuits.
2N492A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Inter-base Voltage: 65 V; Terminal Position: BOTTOM;
2N4870
General Electric Solid State
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Operating Temperature: 125 Cel; Minimum Intrinsic Stand-off Ratio: .56; Minimum Static Inter-Base Resistance: 4 kohm;
2N2420B
The Onsemi 2N2420B is a Unijunction Transistor with max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.3W. It is used in applications requiring precise switching control like pulse generators and timing circuits.
2N4852
2N4852 by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 50mA, operating temperature range from -65 to 125°C, and max power dissipation of 0.3W. With a package style of cylindrical and terminal form wire, it offers reliable performance in various electronic circuits.
JANTX2N4948
Motorola
JANTX2N4948 by Motorola is a Unijunction Transistor (UFT) with a single configuration for switching applications. It features a min valley point current of 2 mA and max peak point current of 2 mA. This transistor has a cylindrical package style with a metal body material, making it suitable for various electronic circuit designs.
Semitronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Qualification: Not Qualified; No. of Terminals: 3;
2SH20
Toshiba
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .25 W; Maximum Inter-base Voltage: 55 V; Maximum Peak Point Current: 3.5 mA; Terminal Finish: Tin/Lead (Sn/Pb);
2N494B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Intrinsic Stand-off Ratio: .62; Transistor Application: SWITCHING;
TIS43
TIS43 by Texas Instruments is a Unijunction Transistor (UFT) with a max power dissipation of 0.36W, ideal for switching applications. It features a single configuration, silicon transistor element material, and 3 wire terminals in a cylindrical package shape. With a max static inter-base resistance of 9.1 kohm and min valley point current of 2 mA, it offers reliable performance for various electronic circuits.
Boca Semiconductor
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Minimum Operating Temperature: -55 Cel; Minimum Valley Point Current: 2 mA; Maximum Operating Temperature: 125 Cel;
2N2646
Space Power Electronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Shape: ROUND; JESD-30 Code: O-MBCY-W3;
2N4948
2N4948 by Texas Instruments is a Unijunction Transistor (UFT) with a max emitter current of 50mA and max power dissipation of 0.36W. It is commonly used for switching applications due to its single configuration and silicon transistor element material.
2N2160
2N2160 by Texas Instruments is a Unijunction Transistor (UFT) with max emitter current of 70mA, max inter-base voltage of 35V, and max power dissipation of 0.45W. It is used for switching applications due to its silicon element material and operating temperature range from -65°C to 150°C.
2N4949
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Inter-base Voltage: 25 V; Transistor Element Material: SILICON;
2N2421B
The Onsemi 2N2421B is a Unijunction Transistor with max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.3W. It is used in applications requiring a single configuration UFT for temperature range -65 to 140 °C.
Central Semiconductor
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Qualification: Not Qualified; Package Body Material: PLASTIC/EPOXY;
2N490B
2N490B by Texas Instruments is a Unijunction Transistor (UFT) with max emitter current of 70mA and max power dissipation of 0.45W. It is used for switching applications, featuring a package shape of ROUND and terminal form WIRE. Operating temperature ranges from -65 to 140 °C.
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