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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START499 by STMicroelectronics is an NPN RF BJT designed for amplifier applications, featuring a max power dissipation of 0.9 W and a nominal transition frequency of 42 GHz. Its compact rectangular package supports surface mounting with gull-wing terminals. Ideal for ultra-high frequency circuits, it operates at a max collector-emitter voltage of 4.5 V.
Median Price
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Vyrian
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Digiode
Anansix
IDEA Electronic Components Group
$0.394
$0.354
MKK Technologies
$0.740
DigiPath Technology Company
Parana Technologies
$0.471
Corphita
The use of plastic/epoxy material ensures durability and resistance to environmental factors, making this transistor suitable for long-term applications.
NPN transistors are commonly used in amplifier applications, providing efficient current amplification and versatility in circuit design.
Single configuration allows for simplified circuit designs, making it easier to integrate into compact applications.
Designed for amplification, this transistor is perfect for audio and RF signal applications, enhancing signal quality.
Surface mount capability allows for compact PCB designs and automated assembly processes, increasing manufacturing efficiency.
The rectangular shape of the package aids in space-efficient design on printed circuit boards.
Gull wing terminals offer excellent soldering characteristics and provide strong mechanical support, ensuring reliability in connections.
Operation in the ultra-high frequency band makes this transistor ideal for high-speed applications, including RF communication and broadcasting.
Having four terminals allows for flexible circuit configuration, making it compatible with various designs.
With a maximum power dissipation of 0.9W, this transistor can handle substantial power levels, ensuring stable operation in demanding environments.
The small outline package style supports compact device designs while maintaining high performance.
A minimum DC current gain of 50 indicates decent amplification, making it effective for various low-power amplifier applications.
This transistor is suitable for low-voltage applications, enhancing safety and preventing circuit damage.
Silicon material provides excellent thermal stability and efficiency, ensuring reliable performance in various conditions.
With a maximum collector current of 0.6A, this transistor offers good handling of signal currents, supporting higher power applications.
Matte tin terminal finish enhances solderability and reduces corrosion, improving the longevity and reliability of the product.
Dual terminal position provides an effective layout for circuit designs, allowing for better signal integrity and performance.
Emitter connection is standard for most BJT applications, allowing for straightforward integration into existing circuit designs.
A high nominal transition frequency of 42,000 MHz makes this transistor ideal for high-frequency applications, ensuring efficient signal processing.
RF Small Signal Bipolar Junction Transistors (BJT) START499 attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
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START499 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
2N7002
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
C1210C104K5RACTU
KEMET Corporation
KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
BAV99
Kingwell Technonlogy
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
NE555D
STMicroelectronics
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
2N2222A
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
CRCW080510K0FKEA
Vishay Intertechnology
Vishay Intertechnology's CRCW080510K0FKEA is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 reference standard compliance and -55 to 155 °C operating temperature range.
Promax-johnton
BSS138
Onsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Terminal Finish: Matte Tin (Sn) - annealed;
Ksl Microdevices
CDSOT23-SM712
Bourns
Bourns CDSOT23-SM712 is a bidirectional Transient Voltage Suppressor diode with 400W peak power dissipation and 20uA reverse current. Ideal for surge protection in applications requiring a max clamping voltage of 14V, such as IEC-61000-4-2 compliant systems. Operates b/w -55°C to 150°C with matte tin finish and Gull Wing terminals.
LM107H/883
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Technology: BIPOLAR;
EU2B-YS303C
Idec
ROTARY SWITCH;
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
Thinking Electronic Industrial
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1552200253
Molex
WIRE AND CABLE;
BSS138BK,215
NXP Semiconductors
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.
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
North American Philips Discrete Products Div
LM358D-T
LM358D-T by NXP Semiconductors is a dual operational amplifier with 70dB CMRR, 1000kHz unity gain bandwidth, and 9000uV max input offset voltage. Widely used in commercial applications due to its small outline package and low bias current of 0.5uA.
MBRA160T3G
MBRA160T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.51V. It operates b/w -55 to 150°C, has a reverse test voltage of 60V, and is ideal for power applications due to its high efficiency and small outline package style.
BFP640FH6327XTSA1
Infineon Technologies
BFP640FH6327XTSA1 by Infineon Technologies is a NPN RF Small Signal BJT with 4 terminals, suitable for C Band applications. It has a max fT of 40 GHz, 0.05 A IC, and 4 V VCE. This transistor is designed for high-frequency amplifier circuits in automotive electronics.
MPS3640
International Devices
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 500 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .08 A;
LPT16ED
Skyworks Solutions
The Skyworks Solutions LPT16ED is an N-CHANNEL RF BJT with a SINGLE configuration for AMPLIFIER applications. It operates in KU BAND, has 4 terminals, and can handle up to 0.25 W power dissipation. With SILICON GERMANIUM material, it offers a max collector-emitter voltage of 4 V and a max operating temperature of 150 °C.
FFB3946
The Onsemi FFB3946 is a RF BJT transistor with NPN and PNP channels, ideal for switching applications. It has 2 elements in a small outline package, with max voltage of 40V and max current of 0.2A. Operating up to 150 °C, it offers a transition frequency of 200MHz for efficient performance.
MRF237
Asi Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 8 W; Maximum Collector Current (IC): 1 A; JESD-30 Code: O-MBCY-W3;
934067697235
RF Small Signal Bipolar Transistors; Peak Reflow Temperature (C): 260; JESD-609 Code: e3; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN;
BFR380L3E6327XTMA1
RF Small Signal Bipolar Transistors; JESD-609 Code: e4; Terminal Finish: GOLD; Moisture Sensitivity Level (MSL): 1;
MPSH10
Fairchild Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 650 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .05 A;
MMBTH24-7-F
Diodes Incorporated
Diodes Inc. MMBTH24-7-F is a NPN BJT transistor for RF applications. Features include 400MHz fT, 40V VCEO, and 0.3W Ptot. Ideal for ultra-high frequency amplification in compact SOT package with Gull Wing terminals.
BFS20,215
Nexperia
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 450 MHz; Maximum Collector Current (IC): .025 A; Maximum Collector-Emitter Voltage: 20 V;
BFR193WH6327XTSA1
BFR193WH6327XTSA1 by Infineon is a NPN RF BJT transistor with 12V VCE, 8000MHz fT, and 0.08A IC. Ideal for L Band applications like amplifiers due to its high transition frequency and low collector-base capacitance. Features Gull Wing terminals in a small outline package for surface mount assembly.
BFU590QX
BFU590QX by NXP Semiconductors is a RF Small Signal BJT with NPN polarity, suitable for amplifier applications. It has a max fT of 8000 MHz, Vce of 12V, and Ic of 0.2A. This transistor comes in a small outline package with flat terminals and is surface mountable.
JANS2N3866AUB
Defense Logistics Agency
JANS2N3866AUB by Defense Logistics Agency is an NPN RF BJT with 3.5 pF max collector-base capacitance, 30V max collector-emitter voltage, and 0.4A max collector current. Ideal for ultra-high frequency band amplification applications due to its ceramic-metal-sealed co-fired package body material and small outline package style.
MSD2714AT1
MSD2714AT1 by Onsemi is an NPN BJT transistor with a max power dissipation of 0.225W and a transition frequency of 650MHz. It is ideal for applications requiring ultra-high frequency band operation, such as RF signal amplification in compact electronic devices.
BFP740FH6327XTSA1
BFP740FH6327XTSA1 by Infineon Technologies is a NPN RF Small Signal BJT with 14 dB min power gain, ideal for amplifier applications in X Band frequencies. It features a max operating temperature of 150°C, 0.16 W power dissipation, and 45000 MHz nominal transition frequency.
PN5179D26Z
Fairchild Semiconductor's PN5179D26Z is an NPN BJT transistor with a max collector-emitter voltage of 12V and a transition frequency of 900MHz. It is designed for amplifier applications in the ultra-high-frequency band, featuring a max power dissipation of 0.6W. The package style is cylindrical with a matte tin terminal finish, suitable for through-hole mounting at temperatures up to 150°C.
CA3086M96
Renesas Electronics
CA3086M96 by Renesas Electronics is a NPN BJT transistor with 6 elements and 14 terminals. It operates in the very high frequency band up to 550 MHz, making it ideal for amplifier applications. This complex transistor has a max collector-emitter voltage of 15V and collector current of 0.05A, suitable for surface mount configurations in small outline packages.
BFR380FH6327XTSA1
RF Small Signal Bipolar Transistors; Terminal Finish: TIN; Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e3;
934063114215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 9000 MHz; Maximum Collector Current (IC): .12 A; Terminal Position: DUAL;
934066878225
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 53000 MHz; Maximum Power Dissipation (Abs): .16 W; Maximum Collector Current (IC): .03 A;
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START405
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .045 W; Maximum Collector Current (IC): .01 A;
START405TR
START420
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .04 A; Package Body Material: PLASTIC/EPOXY; No. of Elements: 1;
START420TR
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .18 W; Maximum Collector Current (IC): .04 A; Maximum Collector-Emitter Voltage: 4.5 V;
START450
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .1 A;
START450TR
START499D
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.7 W; Maximum Collector Current (IC): 1 A; Maximum Time At Peak Reflow Temperature (s): 30;
START499ETR
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;
START499TR
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .9 W; Maximum Collector Current (IC): .6 A;
START540
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 45000 MHz; Maximum Collector Current (IC): .04 A; Highest Frequency Band: C BAND;
START540TR
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 45000 MHz; Maximum Power Dissipation (Abs): .18 W; Maximum Collector Current (IC): .04 A;
START620TR
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 45000 MHz; Maximum Power Dissipation (Abs): .135 W; Maximum Collector Current (IC): .04 A;
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