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 MJF31C is a NPN BJT transistor with 3 terminals, capable of handling up to 28W power dissipation. Ideal for switching applications, it has a max collector-emitter voltage of 100V and max collector current of 3A. With a min DC current gain of 10 and operating temp up to 150 °C, it's UL recognized for reliability in various electronic circuits.
Median Price
$0.317
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Rochester
1+ parts
-
100+ parts
1k+ parts
$0.263
10k+ parts
$0.235
Digiode
$0.247
Vyrian
PC Components Company LLC
Bristol Electronics
R&J Components
LIBRA Elektronik GmbH
Q Components
Corphita
$0.234
Corohmni
$0.260
Problanco Electronics
SupplyDigital Components
TANS Electronics
Kulean Microsystems
Authorized Procurement Solutions
UHIMA Technologies
Plastic/epoxy material is lightweight and durable, making the transistor easy to handle and resistant to damage during installation.
NPN transistors are widely used in electronic circuits for switching and amplification, providing versatility in various applications.
Designed specifically for switching applications, ensuring efficient performance and reliable operation when used in switching circuits.
High power dissipation capability allows the transistor to handle significant power loads without overheating, making it ideal for power applications.
With a high maximum voltage rating, this transistor can be used in circuits with higher voltage requirements, providing protection against voltage spikes.
Power Bipolar Junction Transistors (BJT) MJF31C attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Onsemi
Case Connection:
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
JEDEC-95 Code:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Reference Standard:
Sub-Category:
Surface Mount:
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Maximum Time At Peak Reflow Temperature (s):
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Nominal Transition Frequency (fT):
MJF31C Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.29.00.95
SB
8541.29.00.80
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
LM358MX
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
LL4148
Panjit International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS84-7-F
Diodes Incorporated
Diodes Inc. BSS84-7-F is a P-channel FET with 50V DS breakdown voltage, 0.13A max drain current, and 10 ohm RDS(on). Ideal for switching applications, it features a single configuration with built-in diode in a small outline package. Operating in enhancement mode at up to 150°C, it has Gull Wing terminals and matte tin finish.
LM107H
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
LM317TG
Onsemi
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;
1N4148
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Config: SINGLE; No. of Phases: 1; No. of Elements: 1;
SS14
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N5819HW-7-F
1N5819HW-7-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 1A output current, and 0.75V forward voltage. It's a surface mount device in a small outline package ideal for efficiency applications at temperatures ranging from -65 to 125°C.
B340A-13-F
SPC TECHNOLOGY/ MULTICOMP
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Surface Mount: NO; Config: SINGLE; Peak Reflow Temperature (C): 260; No. of Phases: 1; Diode Element Material: SILICON;
BAV99
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
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.
LM2931Z-5.0RPG
LM2931Z-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V Nominal Output Voltage, 0.1A Max Output Current, and 6V Min Input Voltage. It operates in temperatures ranging from -40 to 125 °C and is ideal for applications requiring stable voltage regulation in electronic circuits.
DS18B20Z
Maxim Integrated
DS18B20Z by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring precise temperature monitoring in compact spaces.
Formosa Microsemi
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
Electronic Transistors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
2N7002
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-236AB; Qualification: Not Qualified; Package Style (Meter): SMALL OUTLINE;
SMBJ18CA
Eic Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N3055
Digitron Semiconductors
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;
TIP42C
Baneasa S A
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 6 A; JEDEC-95 Code: TO-220AB; Qualification: Not Qualified;
TIP122
Nte Electronics
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): 5 A; JEDEC-95 Code: TO-220AB; Case Connection: COLLECTOR;
TIP127
Power Innovations
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Case Connection: COLLECTOR; Terminal Position: SINGLE;
TIP142
STMicroelectronics
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 10 A; Qualification: Not Qualified;
TIP147T
Fairchild Semiconductor
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 80 W; Maximum Collector Current (IC): 10 A; JEDEC-95 Code: TO-220;
MJ15016G
The Onsemi MJ15016G is a PNP BJT transistor with max. collector-emitter voltage of 120V, max. collector current of 15A, and max. power dissipation of 180W. It is commonly used for switching applications due to its single configuration and high transition frequency of 2.2MHz.
TIP115
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; Package Style (Meter): FLANGE MOUNT; Package Body Material: PLASTIC/EPOXY;
MJD44H11T4
MJD44H11T4 by Onsemi is a NPN BJT transistor for switching applications. It has a max collector-emitter voltage of 80V, max collector current of 8A, and min DC current gain of 40. With a package style of small outline, it operates up to 140°C and features Gull Wing terminals for surface mount assembly.
TIP47
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 10 MHz; Maximum Collector Current (IC): 1 A; Maximum Operating Temperature: 150 Cel;
Inchange Semiconductor
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Transistor Element Material: SILICON;
TIP41C
Samsung
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 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;
BD679
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; No. of Elements: 1; JESD-30 Code: R-PSFM-T3;
TIP142G
TIP142G by Onsemi is a NPN power BJT with 125W max power dissipation, ideal for switching applications. Featuring a Darlington configuration with built-in diode and resistor, it has a hFE of 500 and can handle up to 10A collector current. With a max operating temperature of 150°C and collector-emitter voltage of 100V, this transistor is suitable for high-power electronic circuits.
D44H8
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Collector Current (IC): 10 A; Package Shape: RECTANGULAR;
BD243C
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A; Terminal Finish: Matte Tin (Sn);
JANTXV2N3055
Microchip Technology
JANTXV2N3055 by Microchip Tech is a NPN BJT with 115W power dissipation, 70V max collector-emitter voltage, and 15A max collector current. Ideal for high-power applications in military electronics due to MIL-19500/407D standard compliance and flange mount package style.
BD139
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 12.5 W; Maximum Collector Current (IC): 1.5 A; No. of Terminals: 3;
TIP120
Toshiba
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Qualification: Not Qualified;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MJF3055
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Power Dissipation (Abs): 30 W; Maximum Collector Current (IC): 10 A;
MJF3055G
MJF31CG
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 28 W; Maximum Collector Current (IC): 3 A;
MJF32C
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 28 W; Maximum Collector Current (IC): 3 A;
MJF32CG
MJF31C
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 3 A; Terminal Position: SINGLE;
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 3 A; Case Connection: ISOLATED;
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