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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START540TR by STMicroelectronics is an NPN RF BJT designed for amplifier applications, featuring a max power dissipation of 0.18 W and a nominal transition frequency of 45 GHz. It operates in the C band with a max collector-emitter voltage of 4.5 V. This compact surface mount transistor ensures efficient performance in high-frequency circuits.
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Digiode
1+ parts
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Anansix
Vyrian
IDEA Electronic Components Group
$0.883
$0.795
MKK Technologies
$1.661
DigiPath Technology Company
Semicontronic
$62.050
$60.499
$60.188
Kepictronics
Corphita
Parana Technologies
$1.056
The use of plastic/epoxy as the body material ensures durability and resistance to environmental impacts, making this transistor suitable for robust applications.
Being an NPN transistor allows for efficient switching and amplification, making it ideal for a wide range of electronic applications.
A single configuration means simpler circuit design and easier integration into various electronic devices.
Designed specifically for amplification purposes, which makes this transistor excellent for signal processing applications.
Surface mount technology facilitates compact design and easy assembly, allowing for use in modern, space-constrained electronics.
The rectangular package shape optimizes space usage on circuit boards and supports efficient thermal management.
Gull wing terminals enhance soldering reliability and ensure strong mechanical adhesion in surface mount applications.
The C band capability allows for effective use in RF applications, such as communications and radar systems, enhancing performance.
With four terminals, this transistor can easily connect within circuits, providing flexibility in design and integration.
A maximum power dissipation of 0.18 W indicates efficient performance while managing thermal output, suitable for low-power applications.
The small outline package style is ideal for high-density applications where space is a concern, promoting compact circuit designs.
A minimum DC current gain of 100 ensures effective signal amplification, making this transistor very useful for various applications.
Operating at a maximum temperature of 150 °C allows for use in high-temperature environments, increasing the versatility of applications.
The low maximum collector-emitter voltage is suitable for low-voltage applications, ensuring safe operation in sensitive electronic circuits.
Silicon as the element material guarantees stable performance and is the most widely used semiconductor material in electronics.
A maximum collector current of 0.04 A makes this transistor ideal for applications requiring low current operation without compromising performance.
Matte tin finish improves solderability which enhances overall manufacturing efficiency during assembly.
The dual terminal position allows for better routing and greater flexibility in circuit board layout design.
With the emitter connected to the case, this design minimizes thermal resistance, improving the performance reliability of the transistor.
A nominal transition frequency of 45000 MHz allows for high-speed performance in RF applications, making it suitable for modern communication systems.
RF Small Signal Bipolar Junction Transistors (BJT) START540TR 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:
Minimum DC Current Gain (hFE):
Highest Frequency Band:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
START540TR 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
LIS2DH12TR
STMicroelectronics
LIS2DH12TR by STMicroelectronics is a 3-axis accelerometer with digital voltage output. It operates b/w -40 to 85°C, with supply voltage range of 1.71-3.6V. Ideal for applications requiring precise motion sensing in compact spaces like wearables and IoT devices.
2N7002
Central Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .115 A; Maximum Drain Current (Abs) (ID): .115 A;
MBR130T1G
Onsemi
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.
2N2222A
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
Nte Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Terminal Form: WIRE;
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Synsemi
Secos
1N4148W-T
Micro Commercial Components
1N4148W-T by Micro Commercial Components is a single rectifier diode with a max reverse recovery time of 0.004 us. It operates b/w -55 to 150 °C and has a max output current of 0.15 A. Ideal for applications requiring fast switching speeds in small outline packages.
1N4148WS
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317T
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-XSFM-T3; Minimum Input-Output Voltage Differential: 3 V;
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
SS14
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NDT2955
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; Package Style (Meter): SMALL OUTLINE; Maximum Drain Current (Abs) (ID): 2.5 A;
1N4148
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
PIC18F4550-I/ML
Microchip Technology
The Microchip Technology PIC18F4550-I/ML is an 8-bit microcontroller with a max clock frequency of 48 MHz. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it ideal for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this chip offers efficient performance in compact designs.
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Package Shape: ROUND;
SMBJ18CA
Sensitron Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NE555D
NXP Semiconductors
SQUARE; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
MBR1560CT
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Operating Temperature: 150 Cel; Maximum Repetitive Peak Reverse Voltage: 60 V; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 150 A;
934063132115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 5000 MHz; Maximum Collector Current (IC): .025 A; JESD-30 Code: R-PDSO-G3;
2SC2814-3
Onsemi's 2SC2814-3 is an NPN RF BJT with a max fT of 320 MHz. It has a VCE of 20V and IC of 0.03A, 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.
FFB3946
The Onsemi FFB3946 is a RF BJT transistor with NPN and PNP channels, ideal for switching applications. It has 2 elements in a small outline package, with max voltage of 40V and max current of 0.2A. Operating up to 150 °C, it offers a transition frequency of 200MHz for efficient performance.
934056691115
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .015 A; Package Body Material: PLASTIC/EPOXY; Terminal Form: GULL WING;
MPSH17RLRA
MPSH17RLRA by Onsemi is an NPN RF BJT transistor with a max fT of 800 MHz. It has a Pdiss of 0.625 W and VCEO of 15 V, ideal for amplifier applications in the very high frequency band. The package is cylindrical with through-hole terminals and can operate up to 150 °C.
2N918
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 900 MHz; Maximum Collector Current (IC): .05 A; Package Body Material: METAL;
PN918
PN918 by Onsemi is an NPN BJT transistor for amplifier applications. It offers a low VCEsat of 0.4V, high power gain of 15dB, and operates in the ultra-high frequency band up to 600MHz. With a max operating temperature of 150 °C, it is ideal for through-hole mounting in RF circuits.
BFR193E6327HTSA1
Infineon Technologies
BFR193E6327HTSA1 by Infineon Technologies is an NPN RF BJT transistor with a max operating temperature of 150°C. It has a min DC current gain of 70 and operates in the ultra-high frequency band up to 8000 MHz. This transistor is commonly used as an amplifier in applications requiring high-frequency signal amplification.
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;
MCH4013-TL-E
RF Small Signal Bipolar Transistors; JESD-609 Code: e6; Moisture Sensitivity Level (MSL): 1; Terminal Finish: Tin/Bismuth (Sn/Bi);
SMA5101-TL-H
RF Small Signal Bipolar Transistors; Terminal Finish: TIN BISMUTH; Moisture Sensitivity Level (MSL): 1; Peak Reflow Temperature (C): 260; JESD-609 Code: e6; Maximum Time At Peak Reflow Temperature (s): 30;
BFR92A,215
NXP Semiconductors' BFR92A,215 is a NPN RF BJT transistor with 5000 MHz fT. It has a max power dissipation of 0.35 W and operates up to 175°C. Ideal for L Band applications, this transistor offers high gain (hFE=40) and low collector current (IC=0.025 A).
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.
BFR92PE6327
Siemens
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 5000 MHz; Maximum Collector Current (IC): .03 A; Terminal Position: DUAL;
BFP196WH6327XTSA1
BFP196WH6327XTSA1 by Infineon Technologies is a NPN RF BJT transistor with 4 terminals, suitable for L Band applications. It has a max collector-emitter voltage of 12V, fT of 7500 MHz, and max collector current of 0.15A. This small outline package transistor is designed for amplifier circuits in automotive electronics meeting AEC-Q101 standards.
2N5179
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1400 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .05 A;
2SC5277A-2-TL-E
RF Small Signal Bipolar Transistors; Terminal Finish: TIN BISMUTH; JESD-609 Code: e6; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Peak Reflow Temperature (C): 260;
934063134215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 6000 MHz; Maximum Collector Current (IC): .035 A; JESD-30 Code: R-PDSO-G3;
2N3866
Digitron Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 800 MHz; Maximum Power Dissipation (Abs): 5 W; Maximum Collector Current (IC): .4 A;
934065992115
RF Small Signal Bipolar Transistors;
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
START540
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 45000 MHz; Maximum Collector Current (IC): .04 A; Highest Frequency Band: C BAND;
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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