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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
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.
Median Price
-
Lifecycle Status
Suppliers In-Stock
6
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
ACDS - Activité Composants Distribution Service
Bristol Electronics
Dan-Mar Components
Digiode
Anansix
Advanced Electronics
$0.687
$0.625
$0.563
IDEA Electronic Components Group
$1.555
$1.399
MKK Technologies
$2.924
DigiPath Technology Company
AZTECH Wire
$21.210
Perfect Parts
Kepictronics
Corphita
Parana Technologies
$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):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
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
SMBJ18CA
STMicroelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NC7WZ07P6X
Onsemi
The Onsemi NC7WZ07P6X is a logic gate with 2 functions, featuring a propagation delay of 4.8 ns at 1.8V supply voltage. With open-drain output characteristics, it operates in industrial temperatures from -40 to 85°C. Ideal for applications requiring fast signal processing and low power consumption in compact designs.
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.
LM358M
LM358M by Texas Instruments is an Operational Amplifier with 2 functions, featuring a max input offset voltage of 9000 uV and a nominal voltage of 5 V. It is commonly used in applications requiring high common mode rejection ratio and low bias current, such as sensor interfaces and signal conditioning circuits.
KSZ9031RNXIA
Microchip Technology
KSZ9031RNXIA by Microchip is a 48-terminal Ethernet transceiver with data rate of 1000 Mbps. Operating temperature range from -40 to 85°C makes it suitable for industrial applications. This square-shaped chip carrier has a very thin profile and matte tin finish, ideal for network interfaces.
1N4148
Semitronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N7002
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
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.
SMMBT3904LT1G
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
BAV99
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
OPA2277UA/2K5E4
OPA2277UA/2K5E4 by Texas Instruments is a dual operational amplifier with low-offset and micropower features. It has a max input offset voltage of 100uV, nominal common mode reject ratio of 140dB, and min slew rate of 0.8V/us. Ideal for industrial applications requiring precise signal amplification in compact designs.
Promax-johnton
ROHM
Microsemi
Dc Components
CC0603KRX7R9BB104
Yageo
Yageo's CC0603KRX7R9BB104 is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. With X7R temperature characteristics, it operates b/w -55 to 125°C. Ideal for surface mount applications in electronics due to its compact size of 1.6mm x 0.8mm x 0.8mm and wraparound terminals.
Bytesonic Electronics
M39029/58-360
Positronic Industries
CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CONTACT; DIN Conformity: NO; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354; Contact Type: CRIMP REAR RELEASE;
MBR130T1G
MBR130T1G by Onsemi is a Schottky rectifier diode with max output current of 1A and max repetitive peak reverse voltage of 30V. It operates b/w -65 to 125°C, suitable for surface mount applications in electronics requiring low forward voltage drop.
CA3083Z
Intersil
NPN; Configuration: SEPARATE, 5 ELEMENTS; Surface Mount: NO; Nominal Transition Frequency (fT): 450 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A;
934047450115
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 17000 MHz; Maximum Collector Current (IC): .0036 A; Qualification: Not Qualified;
START499ETR
START499ETR by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max power dissipation of 0.6 W, operates up to 150 °C, and supports frequencies in the C band with a transition frequency of 42 GHz. Its compact surface mount design ensures efficient performance in various electronic devices.
2SC4915-O,LF
Toshiba
2SC4915-O,LF by Toshiba is an NPN RF BJT transistor with a single configuration for amplifier applications. It offers a min power gain of 17 dB and operates in the very high frequency band up to 550 MHz. With a max collector-emitter voltage of 30V and dual terminal position, it is suitable for small outline surface mount designs.
SD1169
NPN; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 6 A; Transistor Element Material: SILICON;
2SC2814
Onsemi's 2SC2814 is an NPN RF BJT with a max fT of 320 MHz. It has a Pd of 0.15 W and Vceo of 20V, ideal for amplifier applications in the VHF band. The transistor comes in a small outline package with gull wing terminals, suitable for surface mount assembly.
MMBTH10M3T5G
MMBTH10M3T5G by Onsemi is a NPN RF BJT with 650 MHz fT, 60 min hFE, and 0.64 W Pd. It is used in RF applications due to its small outline package and high transition frequency. The transistor operates up to 150 °C and has matte tin terminal finish for surface mount assembly.
FMB3946
FMB3946 by Onsemi is a RF BJT transistor with NPN and PNP channels. It has 2 elements, 6 terminals, hFE of 30, max temp of 150°C, Vce of 40V, and fT of 200MHz. Ideal for switching applications due to its fast ton (38ns) and toff (190ns) times in a small outline package.
BFP540FESDH6327XTSA1
Infineon Technologies
BFP540FESDH6327XTSA1 by Infineon is a NPN RF BJT transistor with 4.5V VCEO, 0.08A IC, and 30GHz fT. It is used in S Band amplifiers for high-frequency applications. The package is small outline, surface mountable with flat terminals, suitable for AEC-Q101 standards.
MSC2295-CT1G
MSC2295-CT1G by Onsemi is an NPN RF BJT transistor with a max operating temperature of 150 °C. It has a min DC current gain of 110 and a nominal transition frequency of 150 MHz, making it suitable for amplifier applications. The package style is small outline with Gull Wing terminals and a max collector-emitter voltage of 20V.
NE85633-T1B-A
California Eastern Laboratories
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 7000 MHz; Maximum Collector Current (IC): .1 A; No. of Terminals: 3;
KSC1393R
KSC1393R by Onsemi is an NPN RF BJT with a single configuration for amplifier applications. It offers a min power gain of 20 dB, DC current gain of 40, and operates in the very high frequency band up to 700 MHz. This transistor has a max collector-emitter voltage of 30V and can handle a max power dissipation of 0.25W at an ambient temperature of 150 °C.
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.
MSC80195
STMicroelectronics' MSC80195 is an NPN BJT transistor with a max fT of 3200 MHz. It has a max IC of 0.3A and Pdiss of 4.9W, suitable for L Band amplifier applications due to its high transition frequency and power dissipation capabilities.
MRF426A
Motorola
NPN; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 3 A; Minimum DC Current Gain (hFE): 10; Transistor Element Material: SILICON;
MPS6507RL1
MPS6507RL1 by Onsemi is an NPN RF BJT with 20V VCEO, 2.5pF CBC, and 800MHz fT. Ideal for amplifier applications, it has a max operating temp of 150 °C. This through-hole transistor comes in a cylindrical package with tin-lead finish.
MMBTH17LT1
MMBTH17LT1 by Onsemi is an NPN RF BJT transistor with a max collector-emitter voltage of 15V and fT of 800MHz. It is designed for ultra-high frequency band applications like amplifiers, featuring a small outline package with gull wing terminals. The transistor's silicon element material ensures high performance in RF signal amplification.
HFA3101BZ
NPN; Configuration: COMPLEX; Surface Mount: YES; Nominal Transition Frequency (fT): 10000 MHz; Maximum Collector Current (IC): .03 A; Package Body Material: PLASTIC/EPOXY;
934064613115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 43000 MHz; Maximum Collector Current (IC): .01 A; Transistor Element Material: SILICON GERMANIUM;
HFA3134IHZ96
NPN; Configuration: SEPARATE, 2 ELEMENTS; Surface Mount: YES; Nominal Transition Frequency (fT): 8500 MHz; Maximum Collector Current (IC): .026 A; Minimum DC Current Gain (hFE): 48;
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;
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;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved