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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SMA540B by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max collector-emitter voltage of 4.5V, a nominal transition frequency of 42GHz, and comes in a compact surface mount package. Ideal for L-band signal amplification.
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Anansix
IDEA Electronic Components Group
$1.636
$1.472
MKK Technologies
$3.076
DigiPath Technology Company
Corphita
Parana Technologies
$1.956
The use of plastic/epoxy as the package body material makes this BJT lightweight and cost-effective, enhancing its suitability for a variety of applications.
Being an NPN transistor allows for efficient signal amplification and is widely used in analog and digital circuits, making it versatile for engineers.
A single configuration simplifies circuit design and reduces space on PCBs, making it ideal for compact electronic products.
Designed specifically for amplification, this BJT is perfect for applications requiring signal boosting, ensuring reliable performance.
The surface mount capability enables higher density designs and improved thermal performance, making it suitable for modern electronic devices.
The rectangular package shape optimizes space on the board and aligns well with standard manufacturing processes, enhancing compatibility.
Gull wing terminals provide easier soldering and better mechanical stability, which contributes to the reliability of the final assembly.
Operating in the L band indicates good performance in RF applications, suitable for communications and radar technologies.
Having 4 terminals enhances circuit integration and allows for multiple connections, fostering greater design flexibility.
The small outline package style is conducive for space-saving designs, making it an excellent choice for portable devices.
A maximum voltage rating of 4.5 V is suitable for low voltage applications, providing protection against overvoltage scenarios.
Silicon as the element material offers good thermal stability and performance in a wide range of temperatures, ensuring reliability.
The collector current rating of 0.04 A makes this transistor applicable for low-power designs, helping with energy efficiency.
The dual terminal position facilitates simpler connections and integration into diverse circuit layouts, offering design flexibility.
An emitter case connection is advantageous for common emitter configurations, facilitating effective signal amplification in circuits.
A high transition frequency of 42000 MHz allows for efficient operation in high-frequency applications, ensuring excellent performance in communication systems.
RF Small Signal Bipolar Junction Transistors (BJT) SMA540B attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
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SMA540B 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
1N4148
Hitachi
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
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Moisture Sensitivity Level (MSL): 1; Maximum Operating Temperature: 150 Cel;
IRLML6401TRPBF
International Rectifier
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.3 W; Minimum Operating Temperature: -55 Cel; Avalanche Energy Rating (EAS): 33 mJ;
LM317D2TG
Onsemi
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
LM358AN
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
MMBF170LT1G
Rochester Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Package Style (Meter): SMALL OUTLINE; No. of Terminals: 3;
Changzhou Starsea Electronics
LD1117S33TR
STMicroelectronics
LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
DS18B20U+
Analog Devices
DS18B20U+ 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. Suitable for applications requiring digital output and surface mounting feature.
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Maximum Drain Current (ID): .34 A;
LP2950CDT-3.3G
LP2950CDT-3.3G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 0.1A. It has a small outline package style, operates at temperatures ranging from -40 to 125 °C, and is suitable for applications requiring low dropout voltage and precise voltage regulation in electronic circuits.
2N2222A
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;
ST3485EBDR
ST3485EBDR by STMicroelectronics is a Line Driver & Receiver with 3.3V power supply, EIA-422/EIA-485 interface standard, and 30ns max transmit delay. It is ideal for industrial applications requiring differential output and operates in temperatures ranging from -40 to 85°C.
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Package Style (Meter): SMALL OUTLINE; Terminal Position: DUAL;
SMBJ18CA
Bytesonic Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Tesla Elektronicke Soucastky
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
AT-41511-TR1G
Agilent Technologies
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .05 A; Transistor Application: AMPLIFIER; Additional Features: HIGH RELIABILITY;
KSC2223R
KSC2223R by Onsemi is an NPN RF BJT transistor with a max VCEsat of 0.3V, ideal for amplifier applications in the VHF band. It has a min hFE of 40, operates up to 150 °C, and features a max IC of 0.02A in a small outline package with Gull Wing terminals.
JANTXV2N5109
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;
934064959115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 5000 MHz; Maximum Collector Current (IC): .025 A; Transistor Element Material: SILICON;
MMPQ2369R1
MMPQ2369R1 by Onsemi is a NPN BJT with 4 elements, ideal for amplifier applications. It features a max fT of 550 MHz, VCE of 15V, and IC of 0.5A. The transistor comes in a small outline package with Gull Wing terminals for surface mount assembly.
CA3086
Intersil
NPN; Configuration: COMPLEX; Surface Mount: NO; Nominal Transition Frequency (fT): 550 MHz; Maximum Collector Current (IC): .05 A; Terminal Finish: TIN LEAD;
2N2905A
Thomson-csf Semiconductors
PNP; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; JESD-30 Code: O-MBCY-W3; Package Shape: ROUND;
SMMBT918LT1
SMMBT918LT1 by Onsemi is a NPN RF BJT transistor with 3 terminals, suitable for amplifier applications in the ultra-high frequency band. It has a max collector-emitter voltage of 15V, collector current of 0.05A, and transition frequency of 600MHz. The package is surface mountable with Gull Wing terminals in a small outline style.
MPSH17RLRAG
MPSH17RLRAG by Onsemi is an NPN RF BJT transistor with a max power dissipation of 0.625W and fT of 800MHz. Ideal for amplifier applications, it operates in the very high-frequency band with a max collector-emitter voltage of 15V.
2N3866
NPN; Nominal Transition Frequency (fT): 1000 MHz; No. of Elements: 1; Highest Frequency Band: ULTRA HIGH FREQUENCY BAND; Qualification: Not Qualified; Transistor Element Material: SILICON;
934067699215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 11000 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .08 A;
MPS3563RLRM
MPS3563RLRM by Onsemi is an NPN RF BJT with a max fT of 600 MHz. It operates in the ultra-high frequency band, ideal for amplifier applications. With a max IC of 0.05 A and VCE of 12 V, it offers high performance in a cylindrical package suitable for through-hole mounting.
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.
BLW32
NPN; Nominal Transition Frequency (fT): 3500 MHz; Maximum Collector Current (IC): .65 A; Transistor Element Material: SILICON; Maximum Collector-Emitter Voltage: 30 V; No. of Elements: 1;
934055191115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 470 MHz; Maximum Collector Current (IC): .025 A; Moisture Sensitivity Level (MSL): 1;
MPSH10
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 650 MHz; Maximum Collector Current (IC): .025 A; Qualification: Not Qualified;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 500 MHz; Maximum Collector Current (IC): .4 A; Maximum VCEsat: 1 V;
BFQ255
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1300 MHz; Maximum Power Dissipation (Abs): 3 W; Maximum Collector Current (IC): .3 A;
MPSH81RLRA
MPSH81RLRA by Onsemi is a PNP RF BJT transistor with 3 terminals in a cylindrical package. It has a max collector-emitter voltage of 20V, fT of 600MHz, and low 0.85pF capacitance. Ideal for amplifier applications due to its silicon element material and through-hole terminal form.
START405
START405 by STMicroelectronics is an NPN RF BJT designed for amplifier applications, featuring a max power dissipation of 0.045 W and a nominal transition frequency of 42 GHz. It operates in the C band with a compact surface mount package. Ideal for high-frequency circuits, it supports up to 150 °C.
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SMA5101
NPN; Configuration: COMPLEX; Surface Mount: YES; Maximum Power Dissipation (Abs): .28 W; Maximum Collector Current (IC): .05 A; No. of Terminals: 6;
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;
SMA540BTR
NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .12 W; Maximum Collector Current (IC): .04 A; Package Style (Meter): SMALL OUTLINE; JESD-609 Code: e3;
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