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
START540 by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max collector current of 40 mA, operates up to 150 °C, and boasts a nominal transition frequency of 45 GHz. Its compact surface mount design ensures efficient performance in C band communications.
Median Price
-
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
1k+
Digiode
1+ parts
100+ parts
1k+ parts
10k+ parts
Anansix
Vyrian
IDEA Electronic Components Group
$0.416
$0.374
MKK Technologies
$0.782
DigiPath Technology Company
Kepictronics
Corphita
Parana Technologies
$0.497
The durable plastic/epoxy material provides excellent protection against environmental factors, enhancing the reliability and lifespan of the transistor.
Being an NPN transistor makes this device suitable for a variety of applications, including amplifiers, enhancing its versatility in circuit designs.
The single configuration simplifies circuit design and integration, making it easier to implement in various applications.
Designed specifically for amplification, this transistor delivers strong performance in audio and signal processing applications.
The surface mount capability allows for a compact PCB design and easier automated assembly processes, improving manufacturability.
The rectangular shape optimizes space on the PCB, allowing for denser circuit layouts and more efficient use of board real estate.
Gull wing terminals provide a robust mechanical connection and facilitate easy soldering, enhancing ease of assembly and reliability.
Operating in the C band makes this transistor suitable for RF applications, ideal for communication and satellite systems.
With four terminals, this transistor supports efficient circuit connectivity and versatile configurations for various applications.
The small outline packaging enhances the density of circuit designs, making it suitable for compact devices.
A maximum operating temperature of 150 °C ensures that this transistor can perform reliably in harsh environments.
The low maximum collector-emitter voltage makes this transistor ideal for low-voltage applications, ensuring safe operation in sensitive circuits.
Silicon provides excellent electrical properties and reliability, making this transistor effective for a variety of electronic applications.
With a collector current of 40 mA, this transistor is capable of handling a range of signal amplification tasks effectively.
The dual terminal position enhances ease of integration on PCBs and supports flexible circuit design strategies.
An emitter case connection allows for straightforward integration into circuits, simplifying design and assembly processes.
A high nominal transition frequency of 45 GHz indicates that this transistor can operate effectively at high frequencies, suitable for advanced RF applications.
RF Small Signal Bipolar Junction Transistors (BJT) START540 attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
Additional Features:
Case Connection:
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Highest Frequency Band:
JESD-30 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Qualification:
Surface Mount:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
START540 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
LL4148
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
STM32H743ZIT6
STMicroelectronics
STM32H743ZIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications, offering features such as 21 timers, CAN and USB connectivity, and low power mode.
2N7002
Inter F E T
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Drain-Source On Resistance: 7.5 ohm; Maximum Drain Current (Abs) (ID): .115 A;
ERJ6ENF10R0V
Panasonic
Panasonic ERJ6ENF10R0V is a 10 ohm fixed resistor with 1% tolerance, suitable for surface mount applications. With a rated power dissipation of 0.125W and operating voltage of 150V, it operates b/w -55°C to 155°C. Its metal glaze/thick film technology ensures stable performance in various electronic circuits.
BAV99
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Sensitron Semiconductor
BSS138NH6327XTSA2
Infineon Technologies
BSS138NH6327XTSA2 by Infineon is a N-CHANNEL FET with 60V DS Breakdown Voltage, ideal for small signal applications. Operating in Enhancement Mode, it has 0.36W Power Dissipation and 3.5 ohm Drain-Source Resistance. With Gull Wing terminals and AEC-Q101 reference standard, it's suitable for automotive electronics due to its high temperature range of -55 to 150 °C.
DS18B20Z+T&R
Analog Devices
DS18B20Z+T&R by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. The sensor comes in a plastic package suitable for surface mount applications, with a max supply voltage of 5.5V and min of 3V.
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
2N2222A
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
FT232RL-TUBE
FTDI
FTDI's FT232RL-TUBE is a bus controller with 28 terminals, operating at 3.3-5.25V. It supports USB, VBUS, and UART interfaces with a data transfer rate of 60MBps. Ideal for industrial applications requiring RS232/RS422/RS485 compatibility in compact designs due to its small outline package style.
261
New England Microwave
Other Interface ICs; No. of Terminals: 14; Package Equivalence Code: FL14(UNSPEC); Power Supplies (V): +-5,-15; Package Body Material: PLASTIC/EPOXY; Surface Mount: YES;
OHN3020U
Tt Electronics Plc
OHN3020U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 5mT. It features an output range of 25mA and operates in temperatures ranging from -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields, such as automotive sensors or industrial automation systems.
General Semiconductor
Secos
National Semiconductor
BSS138PS,115
Nexperia
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 2; No. of Terminals: 6; Minimum DS Breakdown Voltage: 60 V;
LM358ADR
Texas Instruments
LM358ADR by Texas Instruments is an operational amplifier with 2 functions, featuring a max input offset voltage of 5000 uV and nominal voltage of 5V. Widely used in applications requiring high voltage gain, it operates within a temperature range of 0-70°C and offers frequency compensation for stability.
LM555CM
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
BFS17
Diodes Incorporated
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 1300 MHz; Maximum Collector Current (IC): .025 A; Terminal Form: GULL WING;
BF824,215
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 450 MHz; Maximum Collector Current (IC): .025 A; JESD-609 Code: e3;
2SC5501A-4-TR-E
RF Small Signal Bipolar Transistors; JESD-609 Code: e6; Moisture Sensitivity Level (MSL): 1; Maximum Time At Peak Reflow Temperature (s): 30; Terminal Finish: TIN BISMUTH; Peak Reflow Temperature (C): 260;
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.
BFR93AW
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Nominal Transition Frequency (fT): 5000 MHz; Maximum Collector Current (IC): .035 A; No. of Elements: 1; Transistor Element Material: SILICON;
934063109115
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 25000 MHz; Maximum Collector Current (IC): .03 A; Additional Features: LOW NOISE;
NSVF4015SG4T1G
NSVF4015SG4T1G by Onsemi is an NPN RF BJT transistor with a max power dissipation of 0.45W and a transition frequency of 10GHz. It is designed for ultra-high frequency band applications such as amplifiers, featuring a small outline package and operating temperature range from -55°C to 150°C.
934067711215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 10500 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .05 A;
LM3046MX
LM3046MX by Texas Instruments is an NPN BJT with 5 elements, suitable for amplifier applications in the VHF band. It has a max fT of 550 MHz, hFE of 40, and can handle up to 0.05 A collector current. The package is a small outline with Gull Wing terminals and can dissipate 0.75 W at 85°C.
15GN01CA-TB-E
RF Small Signal Bipolar Transistors; Terminal Finish: Tin/Bismuth (Sn/Bi); Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e6;
BFP405FH6327XTSA1
BFP405FH6327XTSA1 by Infineon Technologies is a NPN RF BJT with built-in diode, ideal for amplifier applications in L Band. Featuring 4 terminals, it has a max fT of 25 GHz and VCE of 4.5V. This small outline transistor has a collector current of 0.012A and low capacitance at 0.1pF, meeting AEC-Q101 standards.
MPSA10G
The Onsemi MPSA10G is an NPN RF BJT with a max collector-emitter voltage of 25V and fT of 650MHz. Ideal for ultra-high frequency applications, it has a plastic/epoxy body, cylindrical package style, and operates up to 150 °C.
MPS918
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 600 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .05 A;
MPSH10RL
MPSH10RL by Onsemi is an NPN RF BJT with a max collector-emitter voltage of 25V and fT of 650MHz. It is used in ultra-high frequency applications due to its low capacitance (0.7pF) and high transition frequency. The transistor's cylindrical package with through-hole terminals makes it suitable for various RF small signal circuits.
15GN03FA-TL-H
RF Small Signal Bipolar Transistors; JESD-609 Code: e6; Maximum Time At Peak Reflow Temperature (s): 30; Peak Reflow Temperature (C): 260; Terminal Finish: TIN BISMUTH; Moisture Sensitivity Level (MSL): 1;
Vishay Telefunken
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 2400 MHz; Maximum Collector Current (IC): .025 A; Package Body Material: PLASTIC/EPOXY;
BFP840ESDH6327XTSA1
BFP840ESDH6327XTSA1 by Infineon Technologies is a RF Small Signal Bipolar Junction Transistor (BJT) with NPN polarity. It is a single configuration amplifier, suitable for C Band applications. With a max operating temperature of 150°C and a nominal transition frequency of 80 MHz, it offers high performance in a small outline package.
934067695115
RF Small Signal Bipolar Transistors; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 30; JESD-609 Code: e3;
CA3086
Harris Semiconductor
NPN; Configuration: COMPLEX; Surface Mount: NO; Nominal Transition Frequency (fT): 550 MHz; Maximum Collector Current (IC): .05 A; Terminal Form: THROUGH-HOLE;
BFR93AR
Temic Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 6000 MHz; Maximum Collector Current (IC): .05 A; Maximum Collector-Emitter Voltage: 12 V;
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;
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
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