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
BUL44 by Onsemi is a NPN Power BJT with 400V VCEO, 2A IC, and 50W Ptot. Ideal for switching applications, it has a min hFE of 8 and operates up to 150 °C. The transistor comes in a plastic/epoxy package with through-hole terminals for easy mounting.
Median Price
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Suppliers In-Stock
5
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1k+
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1+ parts
100+ parts
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Digiode
J2 Sourcing AB
Vyrian
LittleDiode
Native Components
$3,967.610
$3,888.258
$3,848.582
$3,808.906
Northwest PG Solutions
$4,364.371
Metaverse IC Inc.
QUARKTWIN TECHNOLOGY LTD
Kepictronics
SupplyDigital Components
Perfect Parts
Authorized Procurement Solutions
Problanco Electronics
Cyclops Electronics Ltd (Excess)
Glotronic Ltd.
TANS Electronics
Kulean Microsystems
Corphita
Assy Fe
UHIMA Technologies
Corohmni
Provides durability and protection for the transistor, ensuring a longer lifespan in various operating conditions.
NPN transistors are commonly used in amplification and switching circuits, making this transistor versatile in different applications.
With a high power dissipation capability, this transistor can handle significant loads without overheating or failing.
Capable of withstanding high voltages, making it suitable for applications where high voltage switching is required.
With a high collector current rating, this transistor can handle larger currents, making it suitable for high-power switching applications.
The high transition frequency allows for fast switching speeds, ideal for applications requiring quick on/off cycles.
Power Bipolar Junction Transistors (BJT) BUL44 attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Onsemi
Additional Features:
Case Connection:
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):
Peak Reflow Temperature (C):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
BUL44 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
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
CL31B104KBCNNNC
Samsung Electro-mechanics
Samsung Electro-mechanics CL31B104KBCNNNC is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It features X7R temperature characteristics, -55 to 125 °C operating range, and compact SMT package style. Ideal for applications requiring high reliability in compact electronic devices.
1N4148WS
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
RC0402FR-071KL
Yageo
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
BAV99
Rfe International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
FDV303N
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
LP2950CDT-3.3G
Onsemi
LP2950CDT-3.3G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 0.1A. It has a small outline package style, operates at temperatures ranging from -40 to 125 °C, and is suitable for applications requiring low dropout voltage and precise voltage regulation in electronic circuits.
Changzhou Galaxy Century Microelectronics
ERJ2RKF1002X
Panasonic
Panasonic's ERJ2RKF1002X is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance and operating temperature range of -55 to 155 °C.
2N2222A
Comset 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;
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.
BSS138
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Qualification: Not Qualified;
LL4148
Weitron Technology
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
CRG0805F10R
TE Connectivity
TE Connectivity's CRG0805F10R is a 10 ohm fixed resistor with 1% tolerance and 0.125 W power dissipation. It features thick film technology, SMT package style, and matte tin over nickel terminal finish. Ideal for surface mount applications in electronics, offering a temperature coefficient of 200 ppm/°C and operating voltage of 150 V.
1554216002
Molex
WIRE AND CABLE;
2N7002
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;
SMBJ18CA
Microsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SS14
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; No. of Phases: 1; Config: SINGLE; Maximum Operating Temperature: 125 Cel;
ABS07-32.768KHZ-T
Abracon
Abracon ABS07-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring 0.032768 MHz frequency precision in a compact surface-mount design with gold over nickel finish.
Dc Components
TIP41C
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 6 A; Terminal Form: THROUGH-HOLE; Package Style (Meter): FLANGE MOUNT;
BUV48A
SPC TECHNOLOGY/ MULTICOMP
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; Package Style (Meter): FLANGE MOUNT; Package Shape: RECTANGULAR;
Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
TIP36C
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 25 A;
TIP42A
Nte Electronics
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
MJD117T4
MJD117T4 by Onsemi is a PNP BJT with Darlington configuration, built-in diode and resistor. It has a max power dissipation of 50W, hFE of 200, and operates up to 150°C. Ideal for switching applications due to its high collector current (2A) and voltage (100V), in a small outline package.
BD139
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): 8 W; Maximum Collector Current (IC): 1.5 A;
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.
TIP32C
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 3 A;
D44H8
National Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 8 A;
JANTX2N3055
Powertech
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; Package Shape: ROUND; Qualification: Not Qualified;
TIP125
Power Innovations
Power Bipolar Transistors; Surface Mount: NO; JESD-30 Code: R-PSFM-T3; No. of Terminals: 3; Terminal Position: SINGLE; Terminal Form: THROUGH-HOLE;
TIP50
Mospec Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 1 A;
TIP127
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Case Connection: COLLECTOR; Terminal Position: SINGLE;
BDX53C
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 60 W; Maximum Collector Current (IC): 8 A; Package Shape: RECTANGULAR;
TIP41CG
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Collector Current (IC): 1 A; JEDEC-95 Code: TO-126;
Plessey Semiconductors Discrete Components Div
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 8 A; JEDEC-95 Code: TO-220AB;
TIP111
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Terminal Form: THROUGH-HOLE; Qualification: Not Qualified;
New Jersey Semiconductor Products
PNP; Configuration: SINGLE; Maximum Collector Current (IC): 5 A; Minimum DC Current Gain (hFE): 1000; Maximum Collector-Emitter Voltage: 60 V; No. of Elements: 1;
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
BUL44AF
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 13 MHz; Maximum Collector Current (IC): 2 A; No. of Terminals: 3;
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
BUL45
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 12 MHz; Maximum Collector Current (IC): 5 A; No. of Terminals: 3;
Supply Digital Components
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Total price ≈ $80,197.29
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