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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START499D by STMicroelectronics is an NPN RF small signal BJT designed for surface mount applications. It features a max power dissipation of 1.7 W, operates up to 150 °C, and supports a collector current of 1 A. Ideal for compact electronic circuits requiring efficient signal amplification.
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Advanced Electronics
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$1.859
The use of plastic/epoxy material ensures a lightweight and durable package, making it suitable for various applications while providing protection against environmental factors.
As an NPN transistor, this product offers high-speed switching capabilities, making it ideal for RF applications where efficient signal amplification is required.
Single configuration simplifies circuit design and helps maintain a compact layout in device architecture, which is essential for modern electronics.
Being a surface-mount device (SMD), it allows for automated assembly processes, reducing manufacturing costs and increasing production efficiency.
The rectangular package shape optimizes board space utilization and enhances thermal performance, which is beneficial for high-frequency applications.
Flat terminals provide excellent soldering characteristics that improve mechanical stability and electrical performance in densely packed circuits.
With three terminals, this transistor enables straightforward and reliable interfacing with other circuit components, streamlining circuit designs.
A maximum power dissipation of 1.7 W allows this component to handle significant power levels without overheating, making it suitable for various applications.
The small outline package style ensures a compact footprint, leading to smaller PCB sizes and enabling more efficient use of space in electronic devices.
An operational temperature of up to 150 °C makes this BJT robust and reliable for use in high-temperature environments, thus enhancing its application range.
This transistor's ability to handle a maximum collector current of 1 A makes it versatile for a range of applications while providing adequate signal strength.
Matte tin terminal finish offers excellent solderability and corrosion resistance, ensuring long-term reliability of electrical connections.
A single terminal position simplifies layout designs and aids in better integration within existing circuits.
The ability to withstand peak reflow temperatures for up to 30 seconds ensures compatibility with standard soldering processes in assembly lines.
With a peak reflow temperature of 260 °C, this transistor can endure the demanding conditions of modern surface mount technology, ensuring reliability during manufacturing.
RF Small Signal Bipolar Junction Transistors (BJT) START499D attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
Maximum Collector Current (IC):
Configuration:
JESD-30 Code:
JESD-609 Code:
Moisture Sensitivity Level (MSL):
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
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Surface Mount:
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Maximum Time At Peak Reflow Temperature (s):
START499D 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
DS18B20U
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Equivalence Code: TSSOP8,.19;
1N4148WT-7
Diodes Incorporated
1N4148WT-7 by Diodes Inc. is a fast recovery rectifier diode with a max reverse recovery time of 0.004 us and a max forward voltage of 1.25 V. It has a package style of small outline, making it suitable for surface mount applications where high-speed switching is required at temperatures ranging from -65 to 150 °C.
OPA2227UA
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
2N2222A
Allegro MicroSystems
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
M39029/56-351
Carlisle Interconnect Technologies
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
LL4148
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
1N4148
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.
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LD1117S33TR
STMicroelectronics
LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
LM317T
Onsemi
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-PSFM-T3; Adjustability: ADJUSTABLE; Package Equivalence Code: SIP3,.1TB;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Taitron Components
SMBJ18CA
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
LM317TG
LM317TG by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max output current of 1.5A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount, with a rectangular shape and through-hole terminals for easy installation.
EU2B-YS3303C
Idec
ROTARY SWITCH;
MURS160T3G
MURS160T3G by Onsemi is a single rectifier diode with a max output current of 2A and max repetitive peak reverse voltage of 600V. It has a fast recovery time of 0.075us, making it suitable for high voltage applications. The diode operates in temperatures ranging from -65 to 175°C, ideal for power systems requiring ultra-fast response.
LM555CM
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.
MCH4014-TL-H
MCH4014-TL-H by Onsemi is an NPN RF BJT with max power dissipation of 0.35W, fT of 8000MHz, and hFE of 60. Ideal for applications requiring high-frequency signal amplification in a surface-mount configuration.
55GN01CA-TB-EX
55GN01CA-TB-EX by Onsemi is an NPN RF BJT with a max fT of 5500 MHz. It has a max Vce of 10V and Ic of 0.07A, making it ideal for C Band amplifier applications. The transistor comes in a small outline package with Gull Wing terminals, suitable for surface mount assembly at temperatures up to 150 °C.
BF959RL
BF959RL by Onsemi is a NPN RF BJT with max. VCE of 20V and IC of 0.1A. Operating at 150 °C, it has fT of 700MHz making it ideal for very high frequency applications in electronics. The transistor's through-hole package and cylindrical shape enhance its performance in RF circuits.
CA3086
Renesas Electronics
CA3086 by Renesas Electronics is a NPN BJT with 6 elements and 14 terminals. It operates in the very high frequency band up to 550MHz, ideal for amplifier applications. With a max collector-emitter voltage of 15V and operating temperature range from -55°C to 125°C, it offers reliable performance in various electronic systems.
MSC83301
MSC83301 by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max power dissipation of 6W, operates up to 200 °C, and supports S-band frequencies. Its ceramic-metal sealed package ensures durability in demanding environments.
MMPQ2369
The Onsemi MMPQ2369 is a NPN RF BJT with 4 elements, ideal for amplifier applications. It has a hFE of 40, fT of 550 MHz, and can handle up to 0.5A collector current. With a max operating temperature of 150 °C and peak reflow temp of 235°C, it's suitable for high-frequency circuits in small outline packages.
2N2907A
Space Power Electronics
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .4 W; Maximum Collector Current (IC): .6 A;
LM3046N
Rochester Electronics
NPN; Configuration: COMPLEX; Surface Mount: NO; Nominal Transition Frequency (fT): 550 MHz; Maximum Collector Current (IC): .05 A; No. of Terminals: 14;
CA3146E
NPN; Configuration: COMPLEX; Surface Mount: NO; Nominal Transition Frequency (fT): 500 MHz; Maximum Collector Current (IC): .05 A; Transistor Application: AMPLIFIER;
BFR93AR
Vishay Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 6000 MHz; Maximum Collector Current (IC): .05 A; Package Shape: RECTANGULAR;
934055908115
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 9000 MHz; Maximum Collector Current (IC): .05 A; Terminal Form: GULL WING;
MPS6507
MPS6507 by Onsemi is an NPN BJT transistor with a max operating temp of 150 °C. It has a min hFE of 25 and fT of 800 MHz, making it ideal for amplifier applications. The package style is cylindrical with through-hole terminals and a max power dissipation of 0.625W.
BFR106E6327HTSA1
Infineon Technologies
BFR106E6327HTSA1 by Infineon Technologies is a NPN RF Small Signal BJT transistor with a max power dissipation of 0.7W and a min DC current gain of 70. It is commonly used as an amplifier in applications requiring high frequency performance up to 5000 MHz.
BFU550VL
The NXP Semiconductors BFU550VL is a RF BJT transistor with NPN polarity, suitable for amplifier applications in L Band frequencies. It has a max collector-emitter voltage of 16V, operating temperature up to 150°C, and transition frequency of 11GHz. This small outline transistor features Gull Wing terminals and can handle a max current of 0.05A.
BFR96
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 4500 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A;
2N918
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 900 MHz; Maximum Collector Current (IC): .05 A; Package Body Material: METAL;
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.
MSC81002
STMicroelectronics' MSC81002 is an NPN BJT transistor with 3 terminals, ideal for amplifier applications in L Band frequencies. With a max power dissipation of 6.3W and max collector current of 0.2A, it operates at up to 200 °C, featuring a ceramic-metal package body and silicon element material.
MPSH10G
MPSH10G by Onsemi is an NPN RF BJT transistor with a max collector-emitter voltage of 25V and fT of 650MHz. Ideal for amplifier applications, it has a max power dissipation of 0.35W and operates in the ultra-high frequency band.
50A02CH-TL-H
RF Small Signal Bipolar Transistors; Peak Reflow Temperature (C): 260; JESD-609 Code: e6; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN BISMUTH;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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
START499
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .9 W; Maximum Collector Current (IC): .6 A;
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
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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