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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Featured manufacturers
START450 by STMicroelectronics is an NPN RF BJT designed for amplifier applications. It features a max power dissipation of 0.45 W, operates up to 150 °C, and supports frequencies in the C band with a nominal transition frequency of 42 GHz. Its compact surface mount design ensures efficient performance in various electronic devices.
Median Price
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3
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Anansix
Digiode
IDEA Electronic Components Group
$0.996
$0.897
MKK Technologies
$1.874
DigiPath Technology Company
Kepictronics
Parana Technologies
$1.191
Corphita
The use of durable plastic/epoxy ensures excellent protection against environmental factors, making it suitable for a variety of applications.
NPN transistors are commonly utilized for high-speed switching and amplification, making this transistor effective for numerous RF applications.
A single configuration allows for simpler circuit designs, making it easier to integrate into RF applications without complicating the layout.
Designed specifically for amplification, this transistor excels in enhancing signal strength in RF applications.
Surface mount technology allows for a compact design, making it suitable for modern high-density circuit boards.
The rectangular package shape aids in efficient space utilization in PCBs, promoting better design flexibility.
Gull wing terminals facilitate easy soldering and improved reliability in the mounting process.
Operating in the C band makes this transistor ideal for applications such as radar and satellite communications.
The four-terminal design offers essential connection points for stable and reliable operation of the transistor.
A maximum power dissipation of 0.45 W ensures that the transistor can handle significant power without overheating, enhancing longevity.
The small outline package style allows for efficient space management on PCBs, enabling tighter component placements.
A minimum hFE of 50 ensures good amplification efficiency, making this transistor capable of providing significant signal enhancement.
The ability to operate at high temperatures means this transistor is durable and reliable in demanding environments.
With a maximum collector-emitter voltage of 4.5 V, this transistor is safe to use in low-voltage applications, minimizing risk in sensitive circuits.
Silicon as the material provides superior thermal stability and performance efficiency, which are crucial in RF applications.
A maximum collector current of 0.1 A makes this transistor suitable for small-signal applications while maintaining good performance.
Matte tin terminal finish enhances solderability and corrosion resistance, contributing to improved reliability in connections.
Dual terminal positioning allows for better placement flexibility within circuits, aiding in easier integration.
Emitter case connection provides efficient heat dissipation, reducing thermal buildup during operation.
A high transition frequency of 42000 MHz makes this transistor suitable for applications requiring high-speed signal amplification.
RF Small Signal Bipolar Junction Transistors (BJT) START450 attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from STMicroelectronics
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JESD-609 Code:
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Package Style (Meter):
Polarity or Channel Type:
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START450 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
BAV99
Nexperia
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
National Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
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;
Infinex
2N7002,215
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
ULN2803ADW
Texas Instruments
ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.
1N4148WT
Onsemi
1N4148WT by Onsemi is a single rectifier diode with a max output current of 0.3A and forward voltage of 0.72V. It has a small outline package style, matte tin terminal finish, and operates at temperatures up to 150°C. Ideal for applications requiring fast reverse recovery time such as power supplies and signal demodulation circuits.
BSS138
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Qualification: Not Qualified;
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;
C0805C104K5RACTU
KEMET Corporation
KEMET C0805C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and reliable performance.
1N4148
Baneasa S A
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Daco Semiconductor
M39029/58-360
Itt Cannon
CONNECTOR ACCESSORY; Alternate Contacts: 030-2042-000; DIN Conformity: NO; Contact Gender: MALE; Terminal Type: WIRE; MIL-Connector Accessory Name: CONTACT;
1N4148WS
Vishay Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM2931AZ-5.0RAG
LM2931AZ-5.0RAG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage, 0.1A max output current, and 0.6V max dropout voltage. Ideal for applications requiring stable voltage regulation in temperature-sensitive environments up to 150°C.
08055C104KAT4A
KYOCERA AVX
08055C104KAT4A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance, rated for 50V. With X7R temperature characteristics and -55 to 125 °C operating range, it's ideal for SMT applications requiring compact size and high reliability. The wraparound terminals and multi-layer design make it suitable for various electronic circuits.
LM358M
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Bytesonic Electronics
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
2SC5662T2LP
ROHM
ROHM 2SC5662T2LP is a NPN RF BJT transistor with max. fT of 3200 MHz, hFE of 56, and VCE(max) of 11V. Ideal for S Band applications like amplifiers due to its small outline package and high transition frequency capability.
934067702235
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 10500 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .05 A;
JANTX2N2907AUB
PNP; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .6 A; Highest Frequency Band: VERY HIGH FREQUENCY BAND; No. of Terminals: 3;
CPH6003A-TL-E
CPH6003A-TL-E by Onsemi is an NPN RF BJT with a max power dissipation of 0.8W and min hFE of 100. Ideal for applications requiring a single configuration, surface mount capability, and operating temperatures up to 150°C.
MRF426A
Motorola
NPN; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 3 A; Minimum DC Current Gain (hFE): 10; Transistor Element Material: SILICON;
BFS17
Diodes Incorporated
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 1300 MHz; Maximum Collector Current (IC): .025 A; Terminal Form: GULL WING;
KSC1674-C
The Onsemi KSC1674-C is an NPN RF BJT transistor with a max VCEsat of 0.3V and fT of 600MHz. Ideal for amplifier applications, it has a max IC of 0.02A and operates up to 150 °C. Packaged in plastic/epoxy, it features a cylindrical shape with through-hole terminals.
2SC2814-5
Onsemi's 2SC2814-5 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 135, suitable for amplifier applications in the VHF band. The package is a small outline with gull wing terminals, making it ideal for surface mount designs.
2N5332
2N5332 by Texas Instruments is a PNP BJT transistor with 3 terminals, suitable for switching applications. It operates in the ultra-high frequency band up to 800 MHz, with a max collector-emitter voltage of 12V and a DC current gain of at least 20 (hFE). The package style is cylindrical, and it has a max power dissipation of 0.36W at an operating temperature of 175°C.
2SC4915-O,LF
Toshiba
2SC4915-O,LF by Toshiba is an NPN RF BJT transistor with a single configuration for amplifier applications. It offers a min power gain of 17 dB and operates in the very high frequency band up to 550 MHz. With a max collector-emitter voltage of 30V and dual terminal position, it is suitable for small outline surface mount designs.
MMBTH81
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 600 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .05 A;
2N3866
Microsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .4 A; Package Body Material: METAL; JESD-30 Code: O-MBCY-W3;
BFP650FH6327XTSA1
Infineon Technologies
RF Small Signal Bipolar Transistors; JESD-609 Code: e3; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN;
934067698235
RF Small Signal Bipolar Transistors; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e3; Terminal Finish: TIN;
Solid State Devices
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 500 MHz; Maximum Collector Current (IC): .4 A; No. of Elements: 1; Terminal Position: BOTTOM;
HFA3096BZ96
Integrated Device Technology
NPN AND PNP; Configuration: SEPARATE, 5 ELEMENTS; Surface Mount: YES; Nominal Transition Frequency (fT): 8000 MHz; Maximum Collector Current (IC): .037 A; JESD-30 Code: R-PDSO-G16;
MPSH10
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 650 MHz; Maximum Collector Current (IC): .04 A; Transistor Application: SWITCHING;
BFP720FH6327XTSA1
BFP720FH6327XTSA1 by Infineon Technologies is a NPN RF BJT transistor with 4 terminals, suitable for X Band applications. It has a max fT of 45 GHz and can handle a collector-emitter voltage of 4V. This small outline package transistor is ideal for amplifier circuits in high-frequency applications.
CA3146E
Harris Semiconductor
NPN; Configuration: COMPLEX; Surface Mount: NO; Nominal Transition Frequency (fT): 500 MHz; Maximum Collector Current (IC): .05 A; Terminal Form: THROUGH-HOLE;
NESG260234-T1
Nec Electronics
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .5 A; Package Shape: RECTANGULAR; Transistor Application: AMPLIFIER;
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START405
STMicroelectronics
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;
START450TR
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 42000 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .1 A;
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;
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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