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
BUL128FP by STMicroelectronics is a NPN Power BJT with 400V VCEO, 4A IC, and 31W Ptot. Ideal for switching applications, it has a single configuration in a rectangular package with through-hole terminals. Operating up to 150 °C, it features silicon transistor element material and matte tin terminal finish.
Median Price
-
Lifecycle Status
Suppliers In-Stock
6
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Anansix
ComSIT Distribution GmbH
LIBRA Elektronik GmbH
NAC Semi
Corohmni
$0.691
IDEA Electronic Components Group
$0.723
$0.651
Advanced Electronics
$1.220
$1.110
$1.000
MKK Technologies
$1.360
DigiPath Technology Company
AZTECH Wire
$10.020
Authorized Procurement Solutions
Alle Elektronik GmbH
Corphita
Northwest PG Solutions
Parana Technologies
$0.865
Native Components
Metaverse IC Inc.
Kepictronics
The use of plastic/epoxy material makes the transistor lightweight and durable, ideal for portable electronic devices.
NPN transistors are commonly used in amplification and switching applications, offering good performance and reliability.
Single configurations are easy to use and suitable for basic switching purposes, making this transistor user-friendly.
Designed specifically for switching applications, this transistor provides efficient performance in turning a circuit on/off.
Rectangular package shape allows for easy mounting and fitting within electronic circuits, maximizing space efficiency.
Through-hole terminals ensure secure and reliable connections to a circuit board, enhancing durability and ease of assembly.
With a high maximum power dissipation, this transistor can handle significant power levels, suitable for demanding applications.
Flange mount package style provides stability and heat dissipation, making it suitable for high-power applications.
The minimum DC current gain of 14 ensures reliable and consistent amplification in various electronic circuits.
With a high maximum operating temperature, this transistor can withstand extreme conditions, making it suitable for industrial environments.
The high maximum collector-emitter voltage rating allows this transistor to handle high voltage levels, increasing its versatility.
Silicon is a common material for transistors due to its reliability and efficiency in electronic circuits.
With a maximum collector current of 4 A, this transistor can handle moderate current levels, suitable for various applications.
Matte tin terminal finish provides corrosion resistance and solderability, ensuring long-lasting performance in electronic circuits.
Single terminal position simplifies the connection process, making it easy to integrate this transistor into electronic designs.
Isolated case connection enhances safety and reliability by preventing electrical interference, making this transistor a secure choice for circuits.
Power Bipolar Junction Transistors (BJT) BUL128FP attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from STMicroelectronics
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):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
BUL128FP Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
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
SMBJ18CA
Rectron
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Kec
GRM155R71H103KA88D
Murata Manufacturing
The Murata Manufacturing GRM155R71H103KA88D is a ceramic capacitor with 0.01uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and high reliability.
2N2222A
Tt Electronics Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
2N7002,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
LL4148
Sinyork
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V;
New Jersey Semiconductor Products
Vishay Intertechnology
Vishay Intertechnology's SMBJ18CA is a bidirectional TRANS VOLTAGE SUPPRESSOR DIODE with a max clamping voltage of 29.2 V and a breakdown voltage of 21.05 V. It is surface mountable and commonly used in transient suppression applications.
Bytesonic Electronics
LM7805CT/NOPB
National Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Voltage Tolerance: 5 %; Operating Temperature (TJ-Max): 125 Cel; Maximum Output Voltage-1: 5.25 V;
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.
International Components
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Terminal Finish: Tin/Lead (Sn/Pb); JESD-609 Code: e0; Maximum Reverse Recovery Time: .004 us;
MBR1560CT
General Instrument
MBR1560CT by General Instrument is a common cathode rectifier diode with a max forward voltage of 0.75V and max output current of 15A. It is used for efficiency applications, has a package shape of rectangular, and can operate in temperatures ranging from -65 to 150 °C.
International Semiconductor
Taitron Components
L7805CV
STMicroelectronics
L7805CV by STMicroelectronics is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation in electronic circuits.
LM358MX
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
DS18B20+
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: THROUGH HOLE MOUNT; No. of Terminals: 3; Package Shape or Style: RECTANGULAR; Maximum Operating Current: 1.5 mA; Package Equivalence Code: SIP3,.1,50;
2N3055
Electronic Transistors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): .8 MHz; Maximum Power Dissipation (Abs): 115 W; Maximum Collector Current (IC): 15 A;
TIP29C
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 2 A; No. of Terminals: 3; Transistor Element Material: SILICON;
TIP112
Crimson Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 2 A; Package Body Material: PLASTIC/EPOXY;
BCP56-16-TP
Micro Commercial Components' BCP56-16-TP is a NPN Power BJT with VCEsat of 0.5V, hFE of 100, and IC of 1A. Ideal for applications requiring high power dissipation up to 1.5W in small outline packages. Suitable for surface mount designs operating b/w -55°C to 150°C.
BD13910S
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;
MJD31CT4
Motorola
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 3 A; Transistor Application: AMPLIFIER;
TIP147
Central Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 10 A; Transistor Element Material: SILICON;
TIP111
Microsemi
NPN; Surface Mount: NO; Maximum Collector Current (IC): 2 A; Terminal Position: SINGLE; JESD-30 Code: R-PSFM-T3; Package Body Material: PLASTIC/EPOXY;
MJE3055T
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Power Dissipation (Abs): 75 W; Maximum Collector Current (IC): 10 A;
TIP41CTU
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
TIP47
NPN; Configuration: SINGLE; Nominal Transition Frequency (fT): 10 MHz; Maximum Collector Current (IC): 1 A; Transistor Element Material: SILICON; No. of Elements: 1;
TIP120
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 4 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A;
Transys Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Minimum Operating Temperature: -65 Cel;
TIP122
SPC TECHNOLOGY/ MULTICOMP
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; JESD-30 Code: R-PSFM-T3;
TIP41CG
Onsemi
TIP41CG by Onsemi is a NPN power BJT with 65W max power dissipation, 100V max collector-emitter voltage, and 6A max collector current. Ideal for switching applications, it has a min hFE of 15 and operates at up to 150°C. Its package style is flange mount with through-hole terminals.
MJE350
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A;
BD243C
TIP36C
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 25 A; Package Style (Meter): FLANGE MOUNT;
TIP31C
Power Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 3 A; Package Body Material: PLASTIC/EPOXY;
MJD112T4G
MJD112T4G by Onsemi is a NPN BJT with Darlington configuration, ideal for switching applications. It has a max collector-emitter voltage of 100V, max collector current of 2A, and min DC current gain of 200. With a package style of small outline and surface mount capability, it operates up to 150°C making it suitable for various power applications.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BUL138
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 70 W; Maximum Collector Current (IC): 5 A; Qualification: Not Qualified;
BUL146BD
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; No. of Terminals: 3;
BUL146BG
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Case Connection: COLLECTOR;
BUL146BA
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Terminal Finish: TIN LEAD;
BUL146BU
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; No. of Elements: 1;
BUL146BS
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Transistor Application: SWITCHING;
BUL146BC
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Package Shape: RECTANGULAR;
BUL146FG
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 6 A;
BUL146AS
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Package Style (Meter): FLANGE MOUNT;
BUL146AN
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Terminal Position: SINGLE;
BUL146AK
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; JESD-609 Code: e0;
BUL146BV
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; Package Body Material: PLASTIC/EPOXY;
BUL146DW
BUL146F
BUL146AF
BUL147
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 8 A;
BUL146G
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Power Dissipation (Abs): 100 W; Maximum Collector Current (IC): 6 A;
BUL146AU
BUL146AJ
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 14 MHz; Maximum Collector Current (IC): 6 A; JESD-30 Code: R-PSFM-T3;
BUL146
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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