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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SMA540BTR by STMicroelectronics is an NPN RF small signal BJT in a rectangular surface mount package. It features a max power dissipation of 0.12 W, a collector current of 0.04 A, and is ideal for low-power amplification applications. Its gull-wing terminals ensure easy PCB integration.
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Digiode
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$1.778
$1.601
MKK Technologies
$3.344
DigiPath Technology Company
Corphita
Kepictronics
Parana Technologies
$2.126
The plastic/epoxy body provides excellent durability and resistance to environmental factors, making this BJT suitable for a variety of applications.
NPN transistors are versatile and widely used for signal amplification and switching applications, ensuring broad applicability in electronic circuits.
Surface mount capability allows for more compact designs and efficient assembly processes, making it ideal for modern PCB layouts.
The rectangular shape enables efficient use of space on PCBs and simplifies integration into design layouts.
Gull wing terminals provide excellent mechanical stability and are ideal for automated pick-and-place assembly, enhancing reliability in production.
Having 4 terminals allows for versatile circuit configurations and simplifies connections in design, leading to easier implementation in various applications.
A maximum power dissipation of 0.12 W makes this BJT suitable for low power applications, thus ensuring energy efficiency.
The small outline package style is advantageous for space-constrained applications and contributes to high-density compact designs.
Silicon materials are standard for BJTs, providing good performance characteristics in terms of frequency response and thermal stability.
With a maximum collector current of 0.04 A, this transistor is suitable for low to moderate power applications, ensuring safe and reliable operation.
Matte tin terminal finish enhances solderability and ensures a good connection during assembly, thereby improving overall product reliability.
Dual terminal position enables easier layout in circuit designs, providing flexibility for various assembly configurations.
RF Small Signal Bipolar Junction Transistors (BJT) SMA540BTR attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
Maximum Collector Current (IC):
JESD-30 Code:
JESD-609 Code:
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No. of Terminals:
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Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
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SMA540BTR 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
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
NE555D
Philips Semiconductors
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
OPA2277UA/2K5
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
M24308/2-1F
Amphenol
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Body or Shell Style: RECEPTACLE; Body Length: 1.228 inch; No. of Rows Loaded: 2;
FDLL4148
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS138-7-F
SPC TECHNOLOGY/ MULTICOMP
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain Current (ID): .2 A; Minimum DS Breakdown Voltage: 50 V; Operating Mode: ENHANCEMENT MODE;
LM358M
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM107H
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Code: TO-99; Package Shape: ROUND;
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;
LL4148
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: NO LEAD; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
Changzhou Starsea Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Diotec Semiconductor Ag
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; Maximum Time At Peak Reflow Temperature (s): 10;
Itt Semiconductor
LM358N
Kec
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
2N7002
Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Drain Current (ID): .115 A; Operating Mode: ENHANCEMENT MODE;
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAV99
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Gec Plessey Semiconductors
Jgd Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.2 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
MMBT2907ALT1G
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Terminal Form: GULL WING;
2N4401
Thomson-csf Semiconductors
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; Package Shape: ROUND; No. of Elements: 1;
MPSH17RLRAG
Onsemi
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.
MMBTH10
National Semiconductor
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 650 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): .05 A;
BFY90
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 1300 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .025 A;
934047470135
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 25000 MHz; Maximum Collector Current (IC): .03 A; Package Style (Meter): SMALL OUTLINE;
SD1438
STMicroelectronics
NPN; Surface Mount: NO; Transistor Element Material: SILICON; JESD-609 Code: e0; Terminal Finish: Tin/Lead (Sn/Pb);
AT-32032-TR1G
Broadcom
Broadcom's AT-32032-TR1G is an NPN BJT transistor with a max power dissipation of 0.2W and a min DC current gain of 70. It is designed for S Band applications, featuring a small outline package shape and Gull Wing terminal form for surface mount assembly.
BFR96
Advanced Power Technology
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 5000 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A;
KSC1674Y-C
KSC1674Y-C by Onsemi is an NPN RF BJT with a max VCEsat of 0.3V, hFE of 120, and fT of 600MHz. Ideal for amplifier applications in the UHF band due to its high transition frequency and low collector-emitter voltage. Package style is cylindrical with through-hole terminals, making it suitable for various electronic designs.
MMBT918LT3
MMBT918LT3 by Onsemi is an NPN RF BJT with a max fT of 600 MHz. It has a VCEO of 15V and IC of 0.05A, making it suitable for ultra-high frequency applications. With a small outline package and Gull Wing terminals, it is ideal for surface mount designs in the UHF band.
BFU550XRR
BFU550XRR by NXP Semiconductors is a RF BJT transistor with NPN polarity, suitable for amplifier applications in L Band frequencies. It features a max operating temperature of 150°C, collector-emitter voltage of 12V, and transition frequency of 11GHz. This small outline package with Gull Wing terminals is ideal for surface mount designs requiring high-frequency performance.
HFA3127B
Intersil
Intersil's HFA3127B is an NPN BJT transistor with 5 elements, ideal for amplifier applications in the ultra-high frequency band. With a max fT of 8000 MHz and IC of 0.037 A, this transistor features a Gull Wing terminal form and small outline package style for surface mount assembly.
BF959RL
BF959RL by Onsemi is a NPN RF BJT with max. VCE of 20V and IC of 0.1A. Operating at 150 °C, it has fT of 700MHz making it ideal for very high frequency applications in electronics. The transistor's through-hole package and cylindrical shape enhance its performance in RF circuits.
BFU550AR
The NXP Semiconductors BFU550AR is a RF BJT transistor with NPN polarity, suitable for amplifier applications in L Band frequencies. It features a max operating temperature of 150°C, collector-emitter voltage of 16V, and transition frequency of 11GHz. This small outline package has Gull Wing terminals and can handle up to 0.08A collector current.
BFR520,215
NXP Semiconductors' BFR520,215 is a NPN RF BJT transistor with 3 terminals. It operates in L Band with fT of 9000 MHz and hFE of 60. Ideal for amplifier applications, it has a max power dissipation of 0.3W and can handle a max collector current of 0.07A at an operating temp of 175°C.
MMBT918LT1G
MMBT918LT1G by Onsemi is an NPN RF BJT with a max fT of 600 MHz. It has a Pdiss of 0.3W and VCEO of 15V, ideal for UHF applications. This transistor comes in a small outline package suitable for surface mount designs.
CA3086M
CA3086M by Intersil is a NPN BJT with 5 elements, fT of 550 MHz. It's used in RF amplifiers for VHF applications due to its 15V max collector-emitter voltage and 0.05A max collector current. The package is small outline, surface mountable with gull wing terminals.
MSC83301
MSC83301 by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max power dissipation of 6W, operates up to 200 °C, and supports S-band frequencies. Its ceramic-metal sealed package ensures durability in demanding environments.
934064611115
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 21000 MHz; Maximum Collector Current (IC): .06 A; Additional Features: LOW NOISE;
50A02CH-TL-H
RF Small Signal Bipolar Transistors; Peak Reflow Temperature (C): 260; JESD-609 Code: e6; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN BISMUTH;
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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;
SMA540B
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Collector Current (IC): .04 A; Terminal Form: GULL WING;
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