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
The Onsemi BD157 is a NPN BJT transistor with max. collector-emitter voltage of 250V and max. collector current of 0.5A. It has a min DC current gain of 30, making it suitable for amplifier applications in various electronic circuits due to its single configuration and through-hole terminal form. Operating up to 150 °C, it features a plastic/epoxy package body material with flange mount style for easy installation.
Median Price
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10
In-Stock Inventory
1k+
Anansix
1+ parts
100+ parts
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Digiode
ACDS - Activité Composants Distribution Service
LIBRA Elektronik GmbH
Fibra_Brandt Electronic GMBH
ECAB
LittleDiode
Vyrian
Huijzer Components
GES GmbH
IDEA Electronic Components Group
$1.354
$1.219
MKK Technologies
$2.547
DigiPath Technology Company
Kulean Microsystems
Problanco Electronics
Corphita
Northwest PG Solutions
Parana Technologies
$1.619
Native Components
SupplyDigital Components
TANS Electronics
UHIMA Technologies
Corohmni
Supply Digital
Assy Fe
Provides durability and protection for the transistor, ensuring a longer lifespan.
NPN transistors are commonly used in amplification applications, making this transistor suitable for amplifier circuits.
Simplifies circuit design by requiring only a single transistor in the circuit.
Specifically designed for use in amplifier circuits, ensuring optimal performance in amplification applications.
Compact and space-efficient design for easier integration into electronic devices.
Allows for easy soldering and secure placement on circuit boards.
Simplified connection with minimal terminals, reducing complexity in circuit design.
Facilitates mounting of the transistor in various applications, providing flexibility in design.
Ensures reliable amplification of input signals with a minimum gain specified.
Can operate at high temperatures without compromising performance, suitable for industrial applications.
Supports high voltage applications, providing versatility in circuit design.
Silicon transistors offer reliable performance and stability in electronic circuits.
Capable of handling current up to 0.5 A, suitable for low to medium power applications.
Allows for reliable electrical connections and soldering, ensuring secure attachment to circuit boards.
Simplifies the installation and connection process, reducing chances of error in circuit assembly.
Power Bipolar Junction Transistors (BJT) BD157 attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Onsemi
Additional Features:
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:
Qualification:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
BD157 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-99-781-4891, 5961997814891
NIIN
997814891
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
LM555CMX
Texas Instruments
LM555CMX by Texas Instruments is an Analog Waveform Generation IC with 8 terminals. It operates at a nominal voltage of 5V and supports power supplies ranging from 5V to 15V. This versatile IC, housed in a small outline package, is commonly used for pulse and rectangular waveform generation in commercial temperature environments.
BAV99
First Components 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;
1N4148
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Config: SINGLE;
1N4148WT
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Semicoa
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Surge Components
Temic Semiconductors
ST3485EBDR
STMicroelectronics
ST3485EBDR by STMicroelectronics is a Line Driver & Receiver with 3.3V power supply, EIA-422/EIA-485 interface standard, and 30ns max transmit delay. It is ideal for industrial applications requiring differential output and operates in temperatures ranging from -40 to 85°C.
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.
M39029/58-360
Carlisle Interconnect Technologies
GENERAL CONN ACCESSORY; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; Maximum Operating Temperature: 200 Cel; MIL-Connector Accessory: CONTACT; Terminal Type: CRIMP; MIL Conformity: YES;
FDV304P
Onsemi
The Onsemi FDV304P is a P-CHANNEL FET with 25V DS Breakdown Voltage, ideal for SWITCHING applications. It features a max Drain Current of 0.46A and an Operating Temperature range of -55 to 150 °C. The transistor comes in a PLASTIC/EPOXY package with GULL WING terminals, suitable for surface mount configurations.
SMBJ18CA
Lite-on Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C1206C104M5RACTU
KEMET Corporation
KEMET C1206C104M5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±20% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
LL4148
TDK
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); No. of Phases: 1; No. of Elements: 1; Maximum Output Current: .2 A;
MBRS1100T3G
MBRS1100T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.75V. It operates in temperatures ranging from -65 to 175°C, making it suitable for power applications. With a reverse test voltage of 100V, this diode is ideal for high-power circuits requiring efficient rectification.
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
08055C104KAT2A
KYOCERA AVX
08055C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
SS14
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317TG
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Minimum Input-Output Voltage Differential: 3 V; Qualification Status: Not Qualified; No. of Functions: 1;
TIP47
Tt Electronics Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Collector Current (IC): 1 A; Package Body Material: PLASTIC/EPOXY;
TIP125
Crimson Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 5 A; No. of Terminals: 3;
TIP41C
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
TIP120
Rectron
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; JESD-609 Code: e3; Package Style (Meter): FLANGE MOUNT;
TIP35C
Comset Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 25 A;
TIP115
Micro Commercial Components
Power Bipolar Transistors; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; No. of Terminals: 3;
Central Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 25 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A;
TIP36C
Continental Device India
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 25 A;
MJE15035G
MJE15035G by Onsemi is a PNP BJT transistor with 50W power dissipation, 350V max collector-emitter voltage, and 4A max collector current. Ideal for amplifier applications due to its single configuration and silicon element material. Operates at up to 150°C with a min DC current gain of 10 (hFE).
PNP; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 2 A; No. of Terminals: 3;
BD243C
Bourns
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A; JESD-30 Code: R-PSFM-T3;
MJD122T4
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): 8 A; Maximum Time At Peak Reflow Temperature (s): 30;
BD139
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 12.5 W; Maximum Collector Current (IC): 1.5 A; No. of Terminals: 3;
TIP111
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Nominal Transition Frequency (fT): 25 MHz; Maximum Collector Current (IC): 2 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 500;
TIP32C
Diotec Semiconductor Ag
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 3 A;
BD140
Baneasa S A
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Collector Current (IC): 1 A; Terminal Position: SINGLE;
ULN2803A
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; No. of Elements: 8; Minimum DC Current Gain (hFE): 1000;
ULN2804APG
Toshiba
Toshiba's ULN2804APG is an 8-bank NPN Darlington transistor array with built-in diode and resistor, ideal for switching applications. Featuring a min DC current gain of 1000x, it can handle up to 0.5A collector current at 50V collector-emitter voltage. This through-hole package with 18 terminals is made of silicon material in a rectangular shape.
MJE350
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Package Body Material: PLASTIC/EPOXY;
Kec
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 25 A; Transistor Application: AMPLIFIER;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BD158
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Terminal Position: SINGLE; JESD-30 Code: R-PSFM-T3;
BD159
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Transistor Element Material: SILICON;
BD159G
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; No. of Elements: 1;
BD159STU
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Terminal Position: SINGLE;
BD157
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Case Connection: ISOLATED;
Samsung
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Minimum DC Current Gain (hFE): 30;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Qualification: Not Qualified;
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Maximum Collector-Emitter Voltage: 300 V; Qualification: Not Qualified;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; JESD-30 Code: R-PSFM-T3;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Transistor Application: SWITCHING;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Package Shape: RECTANGULAR;
BD157STU
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; JESD-609 Code: e3;
BD159BULK
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Maximum Time At Peak Reflow Temperature (s): 10;
BD159TUBE
BD159-AQBULK
Supply Digital Components
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