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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
BUL381 by STMicroelectronics is a NPN Power BJT transistor with VCEsat of 1.1V, hFE of 8, and IC of 5A. Ideal for switching applications, it has a max power dissipation of 70W and can handle up to 400V. With fast turn-on/off times (ton: 1000ns, toff: 3000ns), it operates in temperatures up to 150 °C.
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Vyrian
R&J Components
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Anansix
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ECAB
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$0.645
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MKK Technologies
$1.213
DigiPath Technology Company
Metaverse IC Inc.
Kepictronics
Authorized Procurement Solutions
Parana Technologies
$0.771
Northwest PG Solutions
Native Components
Corphita
Assy Fe
Provides durability and protection for the transistor, allowing it to withstand harsh environments.
NPN transistors are commonly used in electronic circuits, making this product versatile and widely compatible.
Simplifies circuit design and integration, making the transistor easy to use.
Optimized for switching applications, ensuring efficient performance in controlling power flow.
Low VCEsat minimizes power dissipation, improving overall energy efficiency.
Facilitates easy and secure mounting in electronic devices or circuit boards.
Allows for reliable and sturdy solder connections, enhancing the transistor's stability during operation.
High power dissipation capability enables the transistor to handle large amounts of power without overheating.
High collector-emitter voltage rating provides flexibility in circuit design and increases the transistor's applicability.
High collector current rating allows the transistor to handle significant currents, making it suitable for various applications.
Power Bipolar Junction Transistors (BJT) BUL381 attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from STMicroelectronics
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
JEDEC-95 Code:
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 Ambient:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Maximum Turn Off Time (toff):
Maximum Turn On Time (ton):
Maximum VCEsat:
BUL381 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.29.00.95
SB
8541.29.00.80
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
BSS138BKW,115
NXP Semiconductors
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
RN41N-I/RM
Microchip Technology
Microchip Technology's RN41N-I/RM is a telecom IC with 35 terminals, operating from -40 to 85°C. It has a supply voltage of 3.3V and is surface mountable in industrial applications. The package style is rectangular, measuring 13.2mm x 20.1mm with a seated height of 2.2mm, suitable for telecom interface functions.
LM7805CT
Silicon Group
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Package Body Material: PLASTIC/EPOXY; Maximum Load Regulation: .05 %;
LL4148
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BAV99
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
MC7805CTG
Onsemi
MC7805CTG by Onsemi is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation. The package style is flange mount with through-hole terminals, ensuring easy installation and reliability in diverse electronic designs.
Vishay Telefunken
2N2222A
Bytesonic Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; No. of Elements: 1;
LM317T
Linear Technology
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Operating Temperature (TJ-Min): 0 Cel; No. of Functions: 1; JESD-609 Code: e0;
Bkc Semiconductors
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.
1N4148
Philips Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Terminal Finish: MATTE TIN; Maximum Operating Temperature: 200 Cel; Maximum Output Current: .15 A; JESD-609 Code: e3;
Forward International Electronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Maximum Operating Temperature: 200 Cel; No. of Phases: 1;
SN6505BDBVR
Texas Instruments
SN6505BDBVR by Texas Instruments is a small outline, low profile interface IC with 6 terminals. It operates b/w -55 to 125°C and supports a max output current of 1.5A at supply voltages ranging from 2.25V to 5.5V. Ideal for military-grade applications requiring compact design and high reliability.
ECS-.327-12.5-17X-TR
Ecs International
ECS-0.327-12.5-17X-TR by Ecs International is a crystal oscillator with 20 ppm frequency tolerance, 144% stability, and 50000 ohm series resistance. Ideal for applications requiring precise timing in temperature ranges from -40 to 85 °C, such as telecommunications and industrial automation.
1N4148WS
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
Formosa Microsemi
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Maximum Drain Current (Abs) (ID): .115 A;
LM358N
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Transistor Element Material: SILICON; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
TIP111
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Package Style (Meter): FLANGE MOUNT;
BD679
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Maximum Collector Current (IC): 4 A; Maximum Collector-Emitter Voltage: 80 V; Transistor Element Material: SILICON; No. of Elements: 1;
MJD340T4G
MJD340T4G by Onsemi is a NPN BJT transistor with 300V VCEO, 0.5A IC, and 15W Ptot. Ideal for switching applications in electronics due to its small outline package style and high operating temperature of 150°C.
BDW93C
Samsung
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 12 A; Package Body Material: PLASTIC/EPOXY;
D44H11
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Collector Current (IC): 10 A; Maximum Power Dissipation Ambient: 50 W;
BD13910STU
BD13910STU by Onsemi is a NPN BJT transistor with 80V VCEO and 1.5A IC, ideal for switching applications. With a hFE of 63 and 13W Ptot, it operates up to 150°C making it suitable for high-power tasks in various electronic circuits. The package style is flange mount with through-hole terminals, offering ease of installation.
TIP31CG
TIP31CG by Onsemi is a NPN power BJT with 30W max power dissipation, 100V max collector-emitter voltage, and 3A max collector current. Ideal for switching applications, it has a min hFE of 10 and operates up to 150°C. Its through-hole terminal form makes it suitable for various electronic designs.
TIP142G
TIP142G by Onsemi is a NPN power BJT with 125W max power dissipation, ideal for switching applications. Featuring a Darlington configuration with built-in diode and resistor, it has a hFE of 500 and can handle up to 10A collector current. With a max operating temperature of 150°C and collector-emitter voltage of 100V, this transistor is suitable for high-power electronic circuits.
2N3055
Cobham Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; No. of Elements: 1; Terminal Form: PIN/PEG;
TIP42A
Weitron Technology
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 6 A; Terminal Position: SINGLE;
TIP110
SPC TECHNOLOGY/ MULTICOMP
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Package Shape: RECTANGULAR;
TIP115
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Terminal Form: THROUGH-HOLE;
TIP125
Rectron
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Terminal Finish: MATTE TIN; Maximum Collector-Emitter Voltage: 60 V;
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2.5 MHz; Maximum Power Dissipation (Abs): 115 W; Maximum Collector Current (IC): 15 A;
TIP120
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; No. of Elements: 1; Package Shape: RECTANGULAR;
JANTX2N3055
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; Package Style (Meter): FLANGE MOUNT; JESD-30 Code: O-MBFM-P2;
Baneasa S A
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Minimum DC Current Gain (hFE): 1000; Package Shape: RECTANGULAR;
BUV48A
Mospec Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 150 W; Maximum Collector Current (IC): 15 A; Maximum Operating Temperature: 175 Cel;
MJD340T4
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 15 W; Maximum Collector Current (IC): .5 A; Terminal Position: SINGLE;
Nte Electronics
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Minimum DC Current Gain (hFE): 1000;
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BUL39D
BUL39D by STMicroelectronics is a NPN Power BJT with 450V VCE, 4A IC, and 70W Ptot. Ideal for switching applications, it features a built-in diode and operates up to 150°C. The transistor has a hFE of at least 4 and a turn-off time of 1600ns, making it suitable for high-power tasks.
BUL38D
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 5 A; JESD-609 Code: e3;
BUL310
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 75 W; Maximum Collector Current (IC): 5 A; Terminal Position: SINGLE;
BUL310FP
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 28 W; Maximum Collector Current (IC): 5 A; Transistor Element Material: SILICON;
BUL310PI
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 35 W; Maximum Collector Current (IC): 5 A; JESD-609 Code: e3;
BUL312FH
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 36 W; Maximum Collector Current (IC): 5 A; Terminal Form: THROUGH-HOLE;
BUL312FP
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 36 W; Maximum Collector Current (IC): 5 A; Package Style (Meter): FLANGE MOUNT;
BUL381D
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 5 A; Package Shape: RECTANGULAR;
BUL382
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 5 A; Maximum VCEsat: 1.1 V;
BUL382D
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 5 A; Package Style (Meter): FLANGE MOUNT;
BUL3N7
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 60 W; Maximum Collector Current (IC): 3 A; No. of Terminals: 3;
BUL3P5
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 60 W; Maximum Collector Current (IC): 3 A; JESD-30 Code: R-PSFM-T3;
Supply Digital Components
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