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
BULB49DT4 by STMicroelectronics is an NPN power BJT designed for efficient switching applications. It features a max collector-emitter voltage of 450V, 80W power dissipation, and operates up to 150 °C. Its compact surface mount design ensures versatility in various electronic circuits.
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Freddi Giovanni
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Vyrian
ComSIT Distribution GmbH
A&K Electronics
Rotakorn
Bristol Electronics
Digiode
Anansix
Corohmni
$0.350
Advanced Electronics
$0.828
$0.753
$0.679
IDEA Electronic Components Group
$0.922
$0.830
MKK Technologies
$1.733
DigiPath Technology Company
AZTECH Wire
$9.520
Perfect Parts
Kepictronics
Authorized Procurement Solutions
Alle Elektronik GmbH
Corphita
Northwest PG Solutions
Native Components
Parana Technologies
$1.102
The use of plastic/epoxy materials provides durability and protects the transistor from environmental factors, making it suitable for various applications.
NPN transistors are popular for applications needing high speed and reliability, making this product ideal for switching applications.
The built-in diode enhances the functionality of the transistor, providing additional protection and simplifying circuit design.
Designed specifically for switching applications, this transistor ensures efficient operation in digital or power switching circuits.
Being a surface mount device (SMD) allows for easy integration into modern circuit designs, saving space and reducing assembly costs.
The rectangular package shape aids in efficient layout in printed circuit boards (PCBs), optimizing space utilization.
Gull wing terminals provide excellent solder joint reliability and ease of handling during automated assembly.
A simple two-terminal configuration makes it easy to integrate and minimizes the complexity of the circuit design.
With a high power dissipation rating, this transistor can handle substantial loads, ensuring reliable operation in demanding applications.
The small outline package style helps in saving board space while allowing for efficient heat management.
A minimum DC current gain of 4 ensures sufficient amplification for reliable switching operations in circuits.
A high maximum operating temperature enables the transistor to function reliably in high-temperature environments.
With a high collector-emitter voltage rating, this transistor can be used in high-voltage applications, expanding its versatility.
Silicon as the material provides good thermal stability and efficiency, making it a preferred choice for robust electronic devices.
A maximum collector current rating of 5 A allows for handling significant current loads, suitable for various power applications.
The matte tin finish improves solderability and enhances the durability of the connections, reducing the risk of oxidation.
A single terminal position simplifies assembly and facilitates ease of handling during manufacturing.
A peak reflow time of up to 30 seconds provides sufficient thermal exposure for reliable solder joints during assembly.
With a peak reflow temperature of 245 °C, this transistor can withstand high temperatures during soldering processes without damage.
Power Bipolar Junction Transistors (BJT) BULB49DT4 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:
Moisture Sensitivity Level (MSL):
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:
Maximum Time At Peak Reflow Temperature (s):
Transistor Application:
Transistor Element Material:
BULB49DT4 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
PCN Obsolescence/ EOL - Mult Dev 7/Apr/2020
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
LM317LMX/NOPB
National Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Maximum Seated Height: 1.75 mm; Nominal Dropout Voltage-1: 3 V;
C1005X7R1E103K050BB
TDK
The TDK C1005X7R1E103K050BB is a ceramic capacitor with capacitance of 0.01uF and rated DC voltage of 25V. It features X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications requiring compact size and stable performance in various electronic circuits.
ABS25-32.768KHZ-1-T
Abracon
Abracon's ABS25-32.768KHZ-1-T crystal oscillator offers 10 ppm frequency tolerance, 126% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal operating frequency, such as IoT devices and precision timing systems.
SMBJ18CA
Pro-an Electronic
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Polarity: BIDIRECTIONAL; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
BSS138
Taitron Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3.5 ohm; Maximum Drain Current (ID): .2 A; Peak Reflow Temperature (C): NOT SPECIFIED;
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Cheng-yi Electronic
1N4148W-T
Micro Commercial Components
1N4148W-T by Micro Commercial Components is a single rectifier diode with a max reverse recovery time of 0.004 us. It operates b/w -55 to 150 °C and has a max output current of 0.15 A. Ideal for applications requiring fast switching speeds in small outline packages.
Weitron Technology
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Form: GULL WING; Terminal Position: DUAL;
World Products
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Diotec Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM7805CT/NOPB
Texas Instruments
LM7805CT/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a package style of flange mount, and offers low line/load regulation making it ideal for various electronic applications requiring stable power supply.
BAV99
NXP Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Nexperia
OPA2277UA
OPA2277UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 100 uV and micropower consumption of 1.65 mA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1000 kHz in a small outline package.
SS14
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Forward Voltage (VF): .5 V;
EU2B-YS3203F
Idec
ROTARY SWITCH;
Continental Device India
Calogic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Drain Current (Abs) (ID): .2 A;
Secos
TIP35C
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 25 A; Transistor Application: SWITCHING;
NJVMJD45H11T4G
Onsemi
NJVMJD45H11T4G by Onsemi is a PNP BJT transistor with 80V VCEO, 8A IC, and 20W Ptot. Ideal for switching applications, it operates b/w -55 to 150°C. Its small outline package and high transition frequency of 90MHz make it suitable for various electronic designs.
BDX53C
STMicroelectronics
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Nominal Transition Frequency (fT): 20 MHz; Maximum Power Dissipation (Abs): 60 W; Maximum Collector Current (IC): 8 A;
TIP120
Fairchild Semiconductor
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;
TIP127
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Transistor Element Material: SILICON; Package Style (Meter): FLANGE MOUNT;
TIP111
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Minimum DC Current Gain (hFE): 500;
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 Finish: TIN;
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Nominal Transition Frequency (fT): 4 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A;
BD139-16
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;
TIP110
Central Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 25 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A;
BD243C
Power Innovations
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 6 A; Package Body Material: PLASTIC/EPOXY; Transistor Element Material: SILICON;
TIP29C
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 30 W; Maximum Collector Current (IC): 1 A;
2N3055
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2.5 MHz; Maximum Collector Current (IC): 15 A; Transistor Application: SWITCHING;
BD140-16
Samsung
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 1.5 A; Package Body Material: PLASTIC/EPOXY; No. of Elements: 1;
ULN2003APW
ULN2003APW by Texas Instruments is a NPN BJT with 7 elements and 16 terminals. It has a max collector-emitter voltage of 50V and max collector current of 0.5A, suitable for switching applications. This surface-mount transistor in small outline package is made of silicon with nickel/palladium/gold terminal finish.
TIP32C
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 3 A; No. of Elements: 1;
TIP125
PNP; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 4 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A;
MJ15015G
The Onsemi MJ15015G is a PNP BJT transistor with 180W power dissipation, 120V max collector-emitter voltage, and 15A max collector current. Ideal for switching applications, it has a min hFE of 5 and operates up to 200°C. The package style is flange mount with a round shape and matte tin finish on the bottom terminal.
TIP47
Bourns
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 1 A; Qualification: Not Qualified;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BULB128-1
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; No. of Elements: 1;
BULB128D-1
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; Terminal Finish: TIN;
BULB128D-BT4
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; Maximum Operating Temperature: 150 Cel;
BULB39D
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Collector Current (IC): 4 A; Package Shape: RECTANGULAR; Terminal Form: GULL WING;
BULB39DT4
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; No. of Terminals: 2;
BULB49D-1
NPN; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 5 A; Terminal Position: SINGLE;
BULB7216-1
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 3 A; Maximum Operating Temperature: 150 Cel;
BULB7216T4
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 3 A; Terminal Finish: MATTE TIN;
BULB742C-1
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; JEDEC-95 Code: TO-262AA;
BULB742CT4
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 4 A; Terminal Form: GULL WING;
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