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
BUL44AF by Onsemi is a NPN Power BJT with max. Vce of 400V and max. Ic of 2A. It has a min. hFE of 8, ideal for switching applications in various industries due to its high collector current capacity and transition frequency of 13MHz. The transistor comes in a plastic/epoxy package with through-hole terminals for easy mounting.
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Native Components
$1.845
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$2.030
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Corphita
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UHIMA Technologies
Corohmni
TANS Electronics
Provides durability and protection to the internal components of the transistor, making it long-lasting and reliable.
NPN transistors are commonly used in amplification and switching circuits, offering stability and efficiency.
Simplifies circuit design and integration, making it easier to use in various applications.
Designed specifically for switching applications, ensuring efficient performance and reliable operation.
Allows for easy mounting and integration into circuit boards, saving space and providing flexibility in design.
Facilitates easy soldering and connection in through-hole PCBs, making installation hassle-free.
Simplified terminal configuration for easier connection and integration into circuits.
Enables secure mounting and stable connection in various applications.
Provides consistent and reliable amplification for signal processing.
Supports high voltage applications, making it versatile for a wide range of circuits.
Silicon transistors offer high performance, efficiency, and reliability in electronic circuits.
Capable of handling high current loads, making it suitable for power applications.
Provides a reliable and durable terminal finish for soldering and connection.
Simplified terminal layout for easy connection and integration into circuits.
Clearly indicates the connection point for the collector terminal, making installation and troubleshooting easier.
Offers high frequency response for fast switching and signal processing, ideal for high-speed applications.
Power Bipolar Junction Transistors (BJT) BUL44AF attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Onsemi
Case Connection:
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Qualification:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
BUL44AF Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
Rochester
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
1N4148
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Rectron
USB2514BI-AEZG
Standard Microsystems
BUS CONTROLLER, UNIVERSAL SERIAL BUS; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 36; Package Code: HVQCCN; Package Shape: SQUARE;
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.
EPCS4SI8N
Altera
CONFIGURATION MEMORY; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Parallel or Serial: SERIAL;
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;
LM358AN
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
2N2222A
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BSS138-7-F
Diodes Incorporated
Diodes Inc. BSS138-7-F is a N-channel FET with 50V DS breakdown voltage, 0.2A max drain current, and 3.5 ohm RDS(on). Ideal for switching applications in small outline packages with matte tin finish, operating up to 150°C peak reflow temp.
ABS25-32.768KHZ-T
Abracon
Abracon's ABS25-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency, such as IoT devices and precision timing systems in industrial settings.
M24308/2-1F
Souriau
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Body or Shell Style: RECEPTACLE; MIL Conformity: YES;
Micro Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Eic Semiconductor
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;
M39029/58-360
Fct Electronic
CONNECTOR ACCESSORY; IEC Conformity: NO; Alternate Contact Sources: MILITARY; MIL Conformity: YES; Contact Gender: MALE; MIL-Connector Accessory Name: CONTACT;
2N7002
Changzhou Galaxy Century Microelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Minimum DS Breakdown Voltage: 60 V; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; No. of Terminals: 3;
CR0805-FX-10R0ELF
Bourns
Bourns CR0805-FX-10R0ELF is a SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for applications requiring a temperature range of -55 to 155 °C, such as automotive electronics and industrial control systems.
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N3055AG
Onsemi
2N3055AG by Onsemi is a NPN BJT transistor with 115W power dissipation, 60V max collector-emitter voltage, and 15A max collector current. Ideal for switching applications due to its single configuration and 0.8MHz transition frequency.
TIP31-C
Secos
Secos TIP31-C is a NPN BJT transistor with max VCEsat of 1.2V, ideal for switching applications. It has a max power dissipation of 40W and max collector-emitter voltage of 100V. With hFE of 10, it operates b/w -65 to 150°C, suitable for high-power circuits in various electronic devices.
TIP47
Samsung
TIP47 by Samsung is a NPN power bipolar junction transistor with a maximum power dissipation of 40W and a maximum operating temperature of 150 °C. It has a maximum collector-emitter voltage of 250V and a maximum collector current of 1A. This transistor is designed for switching applications and has a minimum DC current gain of 10. Its package style is TO-220AB with a rectangular shape and through-hole terminal form.
BCP56-16
Good-ark Electronics
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): 1 A;
BD679
Central Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 1 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
MJE15035G
MJE15035G by Onsemi is a PNP BJT transistor with 50W power dissipation, 350V max collector-emitter voltage, and 4A max collector current. Ideal for amplifier applications due to its single configuration and silicon element material. Operates at up to 150°C with a min DC current gain of 10 (hFE).
MJD340T4
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 15 W; Maximum Collector Current (IC): .5 A; Terminal Position: SINGLE;
BDW93C
Crimson Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 12 A; Terminal Form: THROUGH-HOLE;
TIP127
Power Innovations
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Case Connection: COLLECTOR; Terminal Position: SINGLE;
TIP41C
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 6 A; No. of Terminals: 3;
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Maximum Operating Temperature: 150 Cel; JESD-30 Code: R-PSFM-T3;
BD139-16
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): 13 W; Maximum Collector Current (IC): 1.5 A;
MJE3055T
Nte Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 10 A; Package Shape: RECTANGULAR;
BDX53C
Motorola
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): 8 A; Additional Features: LEADFORM OPTIONS ARE AVAILABLE; Maximum Collector-Base Capacitance: 300 pF;
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; No. of Terminals: 3;
TIP112
Texas Instruments
TIP112 by Texas Instruments is a NPN Darlington transistor with 100V max collector-emitter voltage, 50W power dissipation, and hFE of 500. Ideal for power applications in electronics due to its high current gain and low collector-emitter saturation voltage. Package style is flange mount with through-hole terminals for easy installation.
TIP120
Power Bipolar Transistors; Surface Mount: NO; Package Style (Meter): FLANGE MOUNT; Package Body Material: PLASTIC/EPOXY; JEDEC-95 Code: TO-220AB; Terminal Form: THROUGH-HOLE;
ULN2803LW
Allegro MicroSystems
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Maximum Collector Current (IC): .5 A; Qualification: Not Qualified; JEDEC-95 Code: MS-013AB;
2N3055
Cobham Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; No. of Elements: 1; Terminal Form: PIN/PEG;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
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BUL45D2G
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Power Dissipation (Abs): 75 W; Maximum Collector Current (IC): 5 A;
BUL43B
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Package Body Material: PLASTIC/EPOXY;
BUL43BDW
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Package Shape: RECTANGULAR;
BUL43BAU
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Transistor Application: SWITCHING;
BUL43BBU
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; JESD-30 Code: R-PSFM-T3;
BUL43BAN
BUL44
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A;
BUL43BAF
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Maximum Operating Temperature: 150 Cel;
BUL43BBA
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Package Style (Meter): FLANGE MOUNT;
BUL43BBC
BUL43BBS
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Transistor Element Material: SILICON;
BUL43BAK
BUL43BBV
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Terminal Finish: TIN LEAD;
BUL42D
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 75 W; Maximum Collector Current (IC): 4 A; Terminal Position: SINGLE;
BUL43BBD
BUL44AK
BUL44AJ
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; Maximum Collector-Emitter Voltage: 400 V;
BUL43BAS
BUL43BAJ
BUL44U
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 12 MHz; Maximum Collector Current (IC): 2 A; No. of Terminals: 3;
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