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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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.
Median Price
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Digiode
1+ parts
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Vyrian
Native Components
$1.845
Northwest PG Solutions
$2.030
SupplyDigital Components
Kulean Microsystems
Corphita
Problanco Electronics
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
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.
LM2931AZ-5.0RAG
Onsemi
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.
LM555CMX
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
2N2222A
Gec Plessey Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
CSNF651
Honeywell Sensing And Control
CSNF651 by Honeywell Sensing And Control is an industrial-grade analog circuit with 3 terminals. It operates b/w -40 to 85°C, supporting supply voltages from -15V to 15V. Ideal for applications requiring a special shape rectangular package style and through-hole terminal form.
BAV99
ROHM
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
MS3V-T1R32.768KHZ+/-20PPM12.5PF
Golledge Electronics
MS3V-T1R32.768KHZ+/-20PPM12.5PF by Golledge Electronics is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 12.5 pF load capacitance. It is ideal for applications requiring precise timing in temperature-sensitive environments due to its -40 to 85 °C operating range.
DP83848IVVX/NOPB
Texas Instruments
Texas Instruments DP83848IVVX/NOPB is a 3.3V Ethernet transceiver with 100000 Mbps data rate, suitable for industrial applications. It features CMOS technology, operates b/w -40 to 85 °C, and comes in a low profile flatpack package with matte tin finish.
Sprague Electric
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): 1.3 V; Maximum Output Current: .1 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel;
DS18B20+
Analog Devices
DS18B20+ by Analog Devices is a 12-bit temperature sensor with 3.3/5V supply, -55 to 125°C range, and ±0.50°C accuracy. It features a 1-Wire interface for digital output and is commonly used in applications requiring precise temperature monitoring in various industries.
Bytesonic Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; No. of Elements: 1;
LM358N
STMicroelectronics
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
1N4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Semicoa
U.FL-R-SMT-1(10)
Hirose Electric
U.FL-R-SMT-1(10) by Hirose Electric is a RF connector with 50 ohm impedance, 0.05 dB insertion loss, and 8 GHz operating frequency. Ideal for board mounting in commercial applications, it features gold termination finish, liquid crystal polymer insulator, and 200VAC dielectric voltage resistance.
Samsung
Shanghai Lunsure Electronic Technology
General Transistor
Allegro MicroSystems
RECTIFIER DIODE; Terminal Position: END; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002-7-F
SPC TECHNOLOGY/ MULTICOMP
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Form: GULL WING; Package Shape: RECTANGULAR;
TIP120
Rectron
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; JESD-609 Code: e3; Package Style (Meter): FLANGE MOUNT;
TIP3055
TIP3055 by Texas Instruments is a NPN BJT transistor with max. power dissipation of 100W, max. collector current of 15A, and max. operating temp of 150°C. Ideal for switching applications due to its single configuration and through-hole terminal form in a rectangular package style.
MJD117T4
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Transistor Element Material: SILICON;
TIP147T
Baneasa S A
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 15 A; No. of Terminals: 3; Terminal Position: SINGLE;
Motorola
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Nominal Transition Frequency (fT): 25 MHz; Maximum Collector Current (IC): 2 A; Transistor Application: SWITCHING;
D44H11G
D44H11G by Onsemi is a NPN power bipolar junction transistor (BJT) with a max collector-emitter voltage of 80V and a max collector current of 10A. It is commonly used for switching applications due to its high power dissipation of 50W and low min DC current gain (hFE) of 40.
TIP125
Panasonic
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; JESD-609 Code: e0;
JANTX2N2219A
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 3 W; Maximum Collector Current (IC): .8 A; Package Shape: ROUND;
TIP42A
Microsemi
PNP; Surface Mount: NO; Maximum Collector Current (IC): 6 A; JESD-609 Code: e0; Package Style (Meter): FLANGE MOUNT; Terminal Position: SINGLE;
2N3019
Central Semiconductor
Power Bipolar Transistors; Qualification: Not Qualified; JESD-609 Code: e0; Terminal Finish: TIN LEAD;
MJD31CT4
MJD31CT4 by Onsemi is a NPN BJT transistor with 15W power dissipation, 100V max collector-emitter voltage, and 3A max collector current. Ideal for amplifier applications, it has a small outline package style and operates up to 150°C. With a transition frequency of 3MHz, it is suitable for surface mount designs.
TIP41C
Forward International Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
BD139-10
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 1.5 A; Package Body Material: PLASTIC/EPOXY; Minimum DC Current Gain (hFE): 63;
BD13910STU
Fairchild Semiconductor
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;
MJD127G
Changzhou Galaxy Century Microelectronics
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Nominal Transition Frequency (fT): 4 MHz; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): 8 A;
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; JEDEC-95 Code: TO-220AB;
BUV48A
Power Innovations
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Collector Current (IC): 15 A; Case Connection: COLLECTOR;
BCP56-16
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 130 MHz; Maximum Power Dissipation (Abs): 1.33 W; Maximum Collector Current (IC): 1 A;
BD139
Micro Commercial Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1.25 W; Maximum Collector Current (IC): 1.5 A; Minimum DC Current Gain (hFE): 25;
TIP117
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Package Body Material: PLASTIC/EPOXY; Transistor Element Material: SILICON;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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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