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.
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NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 40 W; Maximum Collector Current (IC): 4 A; Terminal Position: SINGLE;
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DF Sales Co.
$0.720
Component Electronics Inc.
$0.770
$0.580
$0.500
Digiode
$1.265
Ace Electronics
$5.000
American Microsemiconductor Inc.
$10.200
Anansix
Zilex Electronics Inc.
Vyrian
ECAB
J2 Sourcing AB
Electronic Expediters
Sunrise Surplus Inc.
EMSNET
ACDS - Activité Composants Distribution Service
R&J Components
Fibra_Brandt Electronic GMBH
Lakeview Electronics
Inland Empire Components Inc.
Electronics Depot
LittleDiode
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IDEA Electronic Components Group
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MKK Technologies
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SupplyDigital Components
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Power Bipolar Junction Transistors (BJT) MJE521 attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from Semiconductor Technology
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
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 Element Material:
MJE521 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-828-0720, 5961008280720
NIIN
008280720
Since its initial founding in 1968, Semiconductor Technology, Inc. has assumed a leading role in high voltage N-Channel Mosfet and high voltage NPN/PNP Bipolar Transistor technology. We endeavor to offer our customers the most reliable mosfets and transistors in the industry. Transistors, being the building blocks of modern electronics, are found in just about any electrical product made to date. Our products serve a wide range of commercial, industrial, telecommunications, and military OEM's both in the domestic and international markets. Our quality assurance procedures and a zero-defects program have been in force for over 30 years. We can process our products to environmental and burn-in screening Class I, II, and III, which meet military environmental requirements; The product line encompasses the many NPN/PNP dual transistors (dual differential transistors) line. Approximately thirty-five percent of our high voltage N-Channel mosfets and high voltage NPN/PNP transistors are sole source items.
LM317T
Motorola
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; No. of Outputs: 1; Package Equivalence Code: SIP3,.1TB;
BSS138
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Drain Current (Abs) (ID): .2 A; Maximum Feedback Capacitance (Crss): 8 pF;
M39029/56351
Souriau-sunbank Connection Technologies
Souriau-sunbank's M39029/56351 is a CRIMP contact type backshell accessory compliant with MIL-DTL-38999. It features FEMALE gender contacts, compatible with M39029/58363 mating contacts. The insertion and removal tools required are M81969/14-10 and M22520/2-10 respectively, making it ideal for military connector applications.
LM555CM
Texas Instruments
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
SBAV99LT1G
Onsemi
SBAV99LT1G by Onsemi is a rectifier diode with a max repetitive peak reverse voltage of 100V. It has a small outline package style and a fast max reverse recovery time of 0.006 us. It is commonly used in applications requiring low power dissipation and high operating temperatures.
SMBJ18CA
Multicomp Pro
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Diode Element Material: SILICON; Technology: AVALANCHE; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V;
MC7805CTG
MC7805CTG by Onsemi is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation. The package style is flange mount with through-hole terminals, ensuring easy installation and reliability in diverse electronic designs.
2N2222A
Gec Plessey Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LL4148
Weitron Technology
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148
Iskra Semic Capacitors Industry
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; JESD-609 Code: e0; Maximum Non Repetitive Peak Forward Current: 2 A;
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Maximum Power Dissipation Ambient: .5 W;
Shandong Yiguang Electronic Joint Stock
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803A
Sanken Electric
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; JESD-30 Code: R-PDIP-T18; Package Body Material: PLASTIC/EPOXY;
M39029/56-351
TE Connectivity
TE Connectivity's M39029/56-351 is a CRIMP contact type backshell accessory with rated voltage of 115V. It operates b/w -65 to 175 °C, suitable for MIL-C-39029/56 connectors with wire gauge ranging from 28 to 22 AWG. Ideal for military applications requiring female contacts and copper alloy material.
LM107H
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Code: TO-99; Package Shape: ROUND;
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
M24308/2-1F
Defense Logistics Agency
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mounting Type: CABLE AND PANEL; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Empty Shell: NO;
BAV99
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBF170LT1G
Rochester Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Package Style (Meter): SMALL OUTLINE; No. of Terminals: 3;
BDX53C
New Jersey Semiconductor Products
NPN; Configuration: SINGLE; Maximum Collector Current (IC): 8 A; Maximum Collector-Emitter Voltage: 100 V; No. of Elements: 1; Transistor Element Material: SILICON;
2N3055
Solid State Devices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): .8 MHz; Maximum Power Dissipation (Abs): 115 W; Maximum Collector Current (IC): 15 A;
TIP120
Bourns
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Terminal Position: SINGLE; Package Shape: RECTANGULAR;
Fairchild Semiconductor
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE; Surface Mount: NO; Nominal Transition Frequency (fT): 20 MHz; Maximum Power Dissipation (Abs): 60 W; Maximum Collector Current (IC): 8 A;
JAN2N3055
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; Terminal Form: PIN/PEG; Minimum DC Current Gain (hFE): 5;
TIP142
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 10 A; Terminal Position: SINGLE;
D44H8
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 50 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 8 A;
TIP31CG
TIP31CG by Onsemi is a NPN power BJT with 30W max power dissipation, 100V max collector-emitter voltage, and 3A max collector current. Ideal for switching applications, it has a min hFE of 10 and operates up to 150°C. Its through-hole terminal form makes it suitable for various electronic designs.
TIP125
Mospec 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; No. of Elements: 1;
BD139-16
NXP Semiconductors
BD139-16 by NXP Semiconductors is a NPN BJT transistor with 80V VCE, 1.5A IC, and 100 hFE. It is ideal for amplifier applications with a max power dissipation of 8W in a through-hole package style. Operating up to 150°C, it offers a transition frequency of 190MHz for high-performance requirements.
TIP122
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; JEDEC-95 Code: TO-220AB; Terminal Form: THROUGH-HOLE;
Microsemi
NPN; Surface Mount: NO; Maximum Collector Current (IC): 5 A; JESD-30 Code: R-PSFM-T3; Terminal Finish: TIN LEAD; Maximum Collector-Emitter Voltage: 60 V;
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Maximum Collector-Emitter Voltage: 60 V; No. of Elements: 1;
TIP127
PNP; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Package Style (Meter): FLANGE MOUNT; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; JESD-609 Code: e0;
JANTXV2N3055
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; Terminal Form: PIN/PEG; Qualification: Not Qualified;
ZTX951
Zetex Plc
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 120 MHz; Maximum Collector Current (IC): 4 A; Minimum DC Current Gain (hFE): 10;
TIP41C
Comset Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
BCP56-16
Good-ark Electronics
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): 1 A;
MJD122G
MJD122G by Onsemi is a NPN Power BJT with 100V VCEO, 8A IC, and 20W Ptot. Ideal for switching applications, it features a Darlington configuration with built-in diode and resistor in a small outline package. Suitable for surface mount assembly with a max operating temperature of 150°C.
Continental Device India
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Terminal Form: THROUGH-HOLE;
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