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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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
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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:
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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
OPA2277UA
Texas Instruments
OPA2277UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 100 uV and micropower consumption of 1.65 mA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1000 kHz in a small outline package.
1N4148
Synsemi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358MX
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
Taiwan Semiconductor
M24308/2-1F
Positronic Industries
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Body or Shell Style: RECEPTACLE;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358N
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Yangzhou Yangjie Electronics
NC7WZ17P6X
Fairchild Semiconductor
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
2N7002
Onsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Finish: Matte Tin (Sn) - annealed; Transistor Element Material: SILICON;
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
EU2B-YS3203F
Idec
ROTARY SWITCH;
BSS138BKW,115
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
LM358AN
NE555/D
General Electric Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; Maximum Operating Temperature: 70 Cel; Technology: BIPOLAR; Package Equivalence Code: DIE OR CHIP; Qualification: Not Qualified;
1N4148WT
LM107H/883
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Maximum Average Bias Current (IIB): .1 uA;
2N2222A
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Maximum Power Dissipation Ambient: .5 W;
BLF871
NXP Semiconductors' BLF871 is an NPN RF BJT transistor with a ceramic-metal-sealed co-fired package. It operates in the ultra-high frequency band, suitable for amplifier applications. With a max operating temperature of 200°C and low collector-base capacitance of 1pF, it offers high performance in a flange mount package.
BFP196E6327HTSA1
Infineon Technologies
BFP196E6327HTSA1 by Infineon Technologies is a NPN RF BJT transistor with 4 terminals, operating up to 150°C. It has a max fT of 7500 MHz and collector-emitter voltage of 12V, making it ideal for L Band amplifier applications. The package is surface mountable with Gull Wing terminals in a small outline rectangular shape.
BF824,215
Nexperia
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 450 MHz; Maximum Collector Current (IC): .025 A; JESD-609 Code: e3;
BFR360FH6765XTSA1
BFR360FH6765XTSA1 by Infineon Technologies is a NPN RF BJT transistor with a max fT of 14 GHz. It has a collector-emitter voltage of 6V and collector current of 0.035A, making it suitable for amplifier applications in the S band. This surface-mount transistor comes in a small outline package with 3 terminals.
NSVMMBTH81LT3G
NSVMMBTH81LT3G by Onsemi is a PNP BJT transistor for amplifier applications. It operates in the very high frequency band up to 600 MHz with a max VCEsat of 0.5 V. This small outline package has a max collector-emitter voltage of 20V and can handle a collector current of 0.05A, making it suitable for RF signal amplification in various electronic devices.
BFY90
Microsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1300 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .05 A;
MCH4017-TL-H
MCH4017-TL-H by Onsemi is an NPN RF BJT with 4 terminals, operating at 150°C max. It has a transition frequency of 10GHz, 0.1A collector current, and 12V collector-emitter voltage. Ideal for ultra-high frequency applications due to its small outline package and high power dissipation of 0.45W.
HFA3046BZ
Integrated Device Technology
NPN; Configuration: COMPLEX; Surface Mount: YES; Nominal Transition Frequency (fT): 8000 MHz; Maximum Collector Current (IC): .037 A; Qualification: Not Qualified;
MPSH10RL1
MPSH10RL1 by Onsemi is an NPN RF BJT with 3 terminals, operating at up to 150 °C. It has a max Vce of 25V and fT of 650MHz, making it suitable for ultra-high frequency applications in cylindrical packages.
BFR340FH6327XTSA1
The BFR340FH6327XTSA1 by Infineon Technologies is an NPN RF small signal bipolar junction transistor with a maximum collector-emitter voltage of 6V. It has a rectangular package shape and is suitable for amplifier applications in the S band. The transistor has a maximum collector current of 0.02A and a nominal transition frequency of 14,000MHz.
2SC2814-4
The Onsemi 2SC2814-4 is an NPN RF BJT transistor with a max fT of 320 MHz. It has a max IC of 0.03 A and hFE of 90, suitable for amplifier applications in the VHF band. The transistor comes in a small outline package with gull wing terminals, operating up to 125 °C.
CA3083Z
Renesas Electronics
CA3083Z by Renesas Electronics is a NPN BJT with 5 elements for switching applications. It operates in the very high frequency band up to 450 MHz, with a max collector-emitter voltage of 15V and collector current of 0.1A. The package style is in-line, with a max power dissipation of 0.5W at 150°C.
MPSH10ZL1
MPSH10ZL1 by Onsemi is an NPN RF BJT with 3 terminals, operating up to 150 °C. It has a max collector-emitter voltage of 25V and transition frequency of 650MHz. Ideal for ultra-high frequency applications due to its low capacitance and high-frequency band capabilities.
2N5109
Semicoa
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1200 MHz; Maximum Power Dissipation (Abs): 2.5 W; Maximum Collector Current (IC): .4 A;
MMBTH10LT1
Motorola
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 650 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): .1 A;
2N3866A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 800 MHz; Maximum Collector Current (IC): .4 A; JEDEC-95 Code: TO-205AD;
MSC82001
STMicroelectronics
STMicroelectronics' MSC82001 is a NPN BJT transistor with 2 terminals, ideal for L Band applications. It has a max power dissipation of 7W and max collector current of 0.2A, making it suitable for amplifier circuits in high-frequency settings. The package style is flange mount with a ceramic-metal sealed co-fired body material.
BF240RLRE
BF240RLRE by Onsemi is an NPN RF BJT transistor with a max collector-emitter voltage of 40V and a max operating temperature of 150 °C. It is commonly used as an amplifier in various applications due to its high transition frequency of 600MHz and low collector current of 0.025A.
934067706215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 10500 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .05 A;
2SC5231A-8-TL-E
RF Small Signal Bipolar Transistors; JESD-609 Code: e6; 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;
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;
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