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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BD678AG by Onsemi is a PNP power BJT with a max collector current of 4A and min DC current gain of 750. It features a built-in diode and resistor, making it ideal for amplifier applications. With a max operating temperature of 150°C, this transistor is suitable for high-power amplification needs.
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Provides good insulation and protection for the transistor, making it durable and reliable.
Suitable for applications where PNP transistors are preferred or required.
Simplified circuit design with built-in components for improved performance and efficiency.
Specifically designed for amplifier applications, ensuring optimal performance in such use cases.
Space-saving design that allows for efficient PCB layout and integration.
Easy to assembly on PCBs and provides secure connections for stable operation.
Can handle high power dissipation, making it suitable for demanding applications.
Allows for convenient mounting and installation in various equipment.
High DC current gain ensures efficient transistor operation and amplification.
Can withstand high temperatures, suitable for applications where heat dissipation is a concern.
Safe operating voltage range for various applications, protecting the transistor from damage.
Silicon is a commonly used semiconductor material known for its reliability and performance.
Capable of handling high collector currents, ideal for applications requiring high power handling.
Provides good corrosion resistance and reliable solder joints for long-term performance.
Simplified connection design with only single terminal position, making it easier to integrate in circuits.
Power Bipolar Junction Transistors (BJT) BD678AG attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Onsemi
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:
BD678AG Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
PCN Obsolescence/ EOL - Mult Dev EOL 7/Jul/2021
PCN Assembly/Origin - Assembly Change 28/Dec/2020
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
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
BAV99
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317BD2TG
Onsemi
LM317BD2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max load regulation of 5.8%. Operating temperature ranges from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact designs.
Cheng-yi Electronic
CDSOT23-SM712
Bourns
Bourns CDSOT23-SM712 is a bidirectional Transient Voltage Suppressor diode with 400W peak power dissipation and 20uA reverse current. Ideal for surge protection in applications requiring a max clamping voltage of 14V, such as IEC-61000-4-2 compliant systems. Operates b/w -55°C to 150°C with matte tin finish and Gull Wing terminals.
LM107H/883C
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Wideband: NO;
Kec
M39029/58-360
Fct Electronic
CONNECTOR ACCESSORY; IEC Conformity: NO; Alternate Contact Sources: MILITARY; MIL Conformity: YES; Contact Gender: MALE; MIL-Connector Accessory Name: CONTACT;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
RK73H2ATTD10R0F
Koa Speer Electronics
RK73H2ATTD10R0F by Koa Speer Electronics is a 0805 SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 reference standard and operating voltage of 150 V.
BSS138
Siemens
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Drain-Source On Resistance: 3.5 ohm; Terminal Finish: Tin/Lead (Sn/Pb);
MBRS340T3G
MBRS340T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.5V and output current of 4A. It operates b/w -65°C to 150°C, making it suitable for various applications requiring high-speed switching and low power loss in a small outline package. The diode's matte tin terminal finish and dual position make it ideal for surface mount PCB designs.
SMBJ18CA
Changzhou Starsea Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
ABS10-32.768KHZ-T
Abracon
Abracon's ABS10-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and wearables due to its compact size and low power consumption.
AT90CAN128-16AUR
Microchip Technology
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
RC0805FR-0710RL
Yageo
Yageo's RC0805FR-0710RL is a 10 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. With a temperature range of -55 to 155 °C, it suits applications requiring precise resistance values in compact surface mount designs.
SSL-LXA228SRC-TR11
Lumex
SSL-LXA228SRC-TR11 by Lumex is a 1.9mm SINGLE COLOR LED with peak wavelength of 660nm and max forward current of 0.03A. Ideal for applications requiring SUPER RED light emission, such as indicator lights in electronic devices due to its clear lens and surface mounting feature.
1N4148
Hitachi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803A
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Package Body Material: PLASTIC/EPOXY; Qualification: Not Qualified;
0462-201-16141
TE Connectivity
TE Connectivity's 0462-201-16141 is a CRIMP terminal with MACHINED contact design. It operates b/w -55 to 125 °C, suitable for wire gauges from 20 to 16 AWG. With a rated current of 13A, it is ideal for applications requiring FEMALE ROUND PIN-SOCKET contacts.
BD679A
Comset Semiconductors
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): .06 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
TIP147T
Central Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 10 A; Package Shape: RECTANGULAR;
TIP110
Diotec Semiconductor Ag
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A; Terminal Position: SINGLE;
TIP115
Motorola
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Nominal Transition Frequency (fT): 25 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A;
D44H8
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Collector Current (IC): 10 A; Package Shape: RECTANGULAR;
TIP120
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;
TIP41C
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
TIP31C
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 3 A;
D44H11
National Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 10 A;
TIP117
Rectron
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 2 A; Package Style (Meter): FLANGE MOUNT; JESD-609 Code: e3;
2N3055
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2.5 MHz; Maximum Collector Current (IC): 10 A; Package Body Material: METAL;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 3 A; Maximum Operating Temperature: 150 Cel;
BD13910
Fairchild Semiconductor
BD13910 by Fairchild Semiconductor is a NPN BJT transistor with 80V VCEO, 1.5A IC, and 13W Ptot. Ideal for switching applications, it has hFE of 63 and fT of 250MHz. The package is through-hole with a flange mount style in plastic/epoxy material.
TIP42C
Inchange Semiconductor
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
ULN2003ADRG3
Texas Instruments
ULN2003ADRG3 by Texas Instruments is a NPN BJT transistor with 7 elements, 16 terminals, and max. Vce of 50V. It is used for switching applications in surface mount designs due to its complex configuration and silicon element material.
TIP122
Semiconductors
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Minimum DC Current Gain (hFE): 1000;
TIP47
Nte Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 1 A;
ULN2002AN
ULN2002AN by Texas Instruments is a NPN BJT transistor with 7 elements and 16 terminals. It has a max VCEsat of 1.6V, IC of 0.5A, and VCE of 50V. Ideal for switching applications due to its complex configuration and silicon element material.
TIP111
Taitron Components
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 2 A; Peak Reflow Temperature (C): NOT SPECIFIED; Terminal Position: SINGLE;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2.5 MHz; Maximum Power Dissipation (Abs): 115 W; Maximum Collector Current (IC): 15 A;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BD679AS
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
The Onsemi BD679AS is a NPN Darlington BJT with 40W power dissipation, 750 min hFE, and 80V VCE. Ideal for switching applications, it operates up to 150°C and has a max collector current of 4A. Its package style is flange mount with matte tin finish in a rectangular shape.
Crimson Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 4 A; Terminal Form: THROUGH-HOLE;
STMicroelectronics
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Transistor Application: AMPLIFIER; Maximum Operating Temperature: 150 Cel;
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Maximum Collector Current (IC): 4 A; Maximum Collector-Emitter Voltage: 80 V; Transistor Element Material: SILICON; No. of Elements: 1;
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 1 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A;
Samsung
Baneasa S A
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Case Connection: ISOLATED; Terminal Form: THROUGH-HOLE;
BD679AG
BD679AG by Onsemi is a NPN Power BJT with 40W power dissipation, 750 min hFE, and 80V VCE. Ideal for amplifier applications due to its Darlington configuration with built-in diode and resistor. Package style is flange mount with through-hole terminals.
BD679
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 4 A; Maximum VCEsat: 2.5 V;
BD679 by Onsemi is a NPN Power BJT with 40W power dissipation, ideal for amplifier applications. Featuring a Darlington configuration, it has hFE of 750 and can handle up to 80V collector-emitter voltage. This transistor operates at temperatures up to 150°C in a through-hole package style.
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; No. of Elements: 1; JESD-30 Code: R-PSFM-T3;
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