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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PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1200 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .03 A;
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RF Small Signal Bipolar Junction Transistors (BJT) JANTXV2N4957 attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from Semicoa
Maximum Collector Current (IC):
Maximum Collector-Base Capacitance:
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
Highest Frequency Band:
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JESD-30 Code:
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No. of Terminals:
Maximum Operating Temperature:
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Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Reference Standard:
Sub-Category:
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Transistor Element Material:
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JANTXV2N4957 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-01-128-9129, 5961011289129
NIIN
011289129
Trusted Everywhere for Mission Success is our commitment statement to our customers. This means the Semicoa Team operates as one to ensure the product exceeds expectation. SEMICOA is a leader in the design and development of bipolar power devices for high-reliability military, defense, aerospace, and space applications. Quality and high reliability are cornerstones upon which space, military, and aerospace applications are built. In many instances, there is absolutely no room for error. These critical industries require a partner that they can trust to deliver time after time. For 50 years, SEMICOA has been Trusted Everywhere. Semicoa specializes in the manufacture of discrete silicon semiconductors focusing on small signal transistors for space, military, and aerospace industries globally. The design, development and wafer fabrication operations are located in Southern California. The company achieved the highest U.S. government qualification (JANS, MIL-PRF-19500, Space Level) for the production of electronic components and it is AS9100:2009D certified. Semicoa is ITAR registered. Semicoa is also an active member of the JEDEC Community. Its leading edge manufacturing facility performs discrete and hybrid assembly utilizing innovative techniques and processes. High volume production is performed on dedicated assembly lines to reduce cost and increase throughput. Semicoa constantly expands product, equipment and production capabilities to meet the growing demand of its customers for high reliability and Rad Hard products.
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;
LM107H/883
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Technology: BIPOLAR;
2N7002
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
BAV99W-7-F
Diodes Incorporated
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.
EU2B-YS2J03C
Idec
ROTARY SWITCH;
LM358AN
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Fairchild Semiconductor
LM317T
Motorola
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; No. of Outputs: 1; Package Equivalence Code: SIP3,.1TB;
ULN2803ADWRG4
Texas Instruments
ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
DS18B20
Maxim Integrated
DS18B20 by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Commonly used in applications requiring precise temperature monitoring like HVAC systems and industrial automation.
1N4148
Nexperia
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM358DR2G
Onsemi
LM358DR2G by Onsemi is a dual operational amplifier with 7000uV max input offset voltage and 70dB nominal CMRR. Ideal for applications requiring low bias current such as sensor interfaces, signal conditioning circuits, and audio amplifiers. Package style: Small Outline, Technology: Bipolar, Unity Gain Bandwidth: 1000 kHz.
LL4148
General Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAT54C-7-F
BAT54C-7-F by Diodes Inc. is a Schottky rectifier diode with common cathode, 2 elements, and max forward voltage of 0.24V. Ideal for applications requiring fast reverse recovery time of 0.005 us, such as in small outline packages for surface mount technology at temperatures ranging from -65 to 150°C.
LM358N
ULN2803A
ULN2803A by Texas Instruments is a peripheral driver with 8 functions. It has a max supply voltage of 3V and can operate in temperatures ranging from -40 to 85°C. This IC is commonly used as a buffer or inverter based peripheral driver for various applications.
RN41N-I/RM
Microchip Technology
Microchip Technology's RN41N-I/RM is a telecom IC with 35 terminals, operating from -40 to 85°C. It has a supply voltage of 3.3V and is surface mountable in industrial applications. The package style is rectangular, measuring 13.2mm x 20.1mm with a seated height of 2.2mm, suitable for telecom interface functions.
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
SS14
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
934067693115
RF Small Signal Bipolar Transistors; JESD-609 Code: e3; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN;
START420TR
STMicroelectronics
START420TR by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max power dissipation of 0.18 W, operates up to 150 °C, and supports C band frequencies. This compact surface mount transistor ensures efficient performance in electronic circuits.
2SC4399
RF Small Signal Bipolar Transistors;
START499TR
START499TR by STMicroelectronics is an NPN RF BJT designed for amplifier applications, featuring a max power dissipation of 0.9 W and operating temp up to 150 °C. It supports ultra-high frequency with a transition frequency of 42 GHz. This compact surface mount transistor ensures efficient performance in small electronic devices.
JANS2N2907AUB
Vpt Components
PNP; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .6 A; Maximum Operating Temperature: 200 Cel; Reference Standard: MIL-19500;
934063133215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 5000 MHz; Maximum Collector Current (IC): .1 A; No. of Elements: 1;
D2T918
D2T918 by Texas Instruments is an NPN BJT transistor with 2 elements, ideal for amplifier applications in the ultra-high frequency band. It has a min hFE of 20, max VCE of 15V, and IC of 0.05A. The package is cylindrical with 6 terminals and isolated case connection.
BFG425W,115
BFG425W,115 by NXP Semiconductors is a RF Small Signal Bipolar Junction Transistor (BJT) with NPN polarity. It is designed for switching applications in the L Band frequency range up to 25 GHz. This surface mount transistor has a max power dissipation of 0.135 W and can handle a max collector current of 0.03 A.
MCH6001-TL-E
Sanyo Semiconductor
NPN; Configuration: SEPARATE, 2 ELEMENTS; Surface Mount: YES; Nominal Transition Frequency (fT): 16 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .15 A;
EC4H08C
The Onsemi EC4H08C is an NPN RF BJT with a single configuration for surface mount applications. It features a max power dissipation of 0.05W, min DC current gain of 70, and max operating temp of 150 °C. Ideal for high-frequency circuits up to 18GHz in various electronic devices.
2N4997
2N4997 by Texas Instruments is a NPN BJT transistor with max. collector-emitter voltage of 18V and max. power dissipation of 0.25W. Ideal for amplifier applications, it operates in the very high frequency band up to 600MHz, with a min DC current gain of 30 (hFE).
2N3866A
Digitron Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 800 MHz; Maximum Power Dissipation (Abs): 5 W; Maximum Collector Current (IC): .4 A;
MPS5179RLRAG
MPS5179RLRAG by Onsemi is a NPN RF BJT with 3 terminals, suitable for amplifier applications in the VHF band. It has a max power dissipation of 0.2W, hFE of 25, and fT of 900MHz. The transistor operates at up to 150 °C, with VCE(max) of 12V and IC(max) of 0.05A.
BFR93AT/R
NXP Semiconductors' BFR93AT/R is a NPN RF BJT transistor with 3 terminals, ideal for L Band applications. It has a max power dissipation of 0.35W, fT of 6000MHz, and hFE of 40. This small outline package transistor operates at up to 150°C and can handle a max collector-emitter voltage of 12V.
BFG540/X,215
NXP Semiconductors' BFG540/X,215 is a NPN RF BJT with 4 terminals in a small outline package. It operates in L Band with fT of 9000 MHz and can handle 0.12 A collector current. Ideal for amplifier applications, it has a max power dissipation of 0.5 W at 150°C ambient temperature.
934064589115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 55000 MHz; Maximum Collector Current (IC): .04 A; Maximum Collector-Emitter Voltage: 2.8 V;
SD1416
NPN; Surface Mount: NO; Transistor Element Material: SILICON;
MPSH10
International Devices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 650 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .04 A;
TIS105
TIS105 by Texas Instruments is a NPN BJT transistor with 3 terminals, ideal for amplifier applications in the VHF band. It has a max power dissipation of 0.4W, hFE of 30, and can handle a max collector-emitter voltage of 45V. The package is cylindrical with wire terminals and made of plastic/epoxy material.
MMBT5179
MMBT5179 by Onsemi is an NPN RF BJT transistor with a max VCEsat of 0.4V and min Gp of 15dB, ideal for amplifier applications in the ultra-high frequency band. This single configuration transistor has a small outline package style, operates up to 150°C, and features a transition frequency of 900MHz.
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