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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PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): .05 A;
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ComSIT Distribution GmbH
ComSIT USA
LIBRA Elektronik GmbH
Digiode
ABC Electronics Ltd.
Fibra_Brandt Electronic GMBH
Halfin
Ashlea Components Ltd
R&J Components
TME
$0.027
$0.024
ECAB
ACDS - Activité Composants Distribution Service
Anansix
A&K Electronics
Bristol Electronics
Huijzer Components
LWI Electronics Inc
First Choice Components Inc.
Prism Electronics
Manotoh
Corel Iberica Componentes, S.L.
Vyrian
LittleDiode
Pegasus Components GmbH
GES GmbH
Donberg Electronics Ltd
Advanced Electronics
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$0.794
Modulus Dynamics
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$1.247
IDEA Electronic Components Group
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$1.535
MKK Technologies
$3.207
DigiPath Technology Company
Native Components
$22.550
One Stop Electronics
$40.050
Northwest PG Solutions
$68.977
Corphita
UNI Independent Distributors
Problanco Electronics
Alle Elektronik GmbH
TANS Electronics
Perfect Parts
Assy Fe
SupplyDigital Components
Supply Digital
Cyclops Electronics Ltd (Excess)
Parana Technologies
$2.039
Corohmni
UHIMA Technologies
Kulean Microsystems
Small Signal Bipolar Junction Transistors (BJT) BF421 attributes and parameters. Explore more Small Signal Bipolar Junction Transistors (BJT) devices from Siemens
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 Element Material:
Nominal Transition Frequency (fT):
Maximum VCEsat:
BF421 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-33-126-6749, 5961331266749
NIIN
331266749
Siemens is an industrial conglomerate, with businesses selling components and equipment for factory automation, railway equipment, electrical distribution equipment, and medical equipment. Through spinoffs it owns a controlling stake in separately listed Siemens Healthineers and minority take in Siemens Energy, also publicly listed. Healthineers supplies medical imaging equipment, while Siemens Energy supplies power generation, and wind turbines, respectively.
BAV99LT1G
Onsemi
BAV99LT1G by Onsemi is a series connected diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.006 us and can handle up to 100V repetitive peak reverse voltage. Ideal for rectification applications, this diode operates b/w -65°C to 150°C temperature range.
SMBJ18CA
Uniohm
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Secos
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
SPC TECHNOLOGY/ MULTICOMP
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148
Silicon Standard
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MMBF170LT1G
MMBF170LT1G by Onsemi is a N-CHANNEL FET with 60V DS Breakdown Voltage and 0.5A Drain Current. Ideal for SWITCHING applications, it operates in ENHANCEMENT MODE with a max power dissipation of 0.225W. This small outline transistor has a temperature range from -55 to 150 °C.
MBRA340T3G
MBRA340T3G by Onsemi is a Schottky rectifier diode with 40V reverse test voltage and 3A max output current. Ideal for power applications, it operates b/w -55 to 150°C, features matte tin terminal finish, and comes in a small outline package.
Infineon Technologies
2N7002
Comchip Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; Operating Mode: ENHANCEMENT MODE;
American Power Devices
BSS138
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Feedback Capacitance (Crss): 10 pF; JEDEC-95 Code: TO-236AB;
BAV99
Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358AN
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
ERJU06F10R0V
Panasonic
ERJU06F10R0V by Panasonic is an 0805 size SMT fixed resistor with a resistance of 10 ohm and 1% tolerance. It operates b/w -55 to 155 °C, suitable for AEC-Q200 standards in automotive applications due to its high temperature coefficient of 100 ppm/°C. With a max operating voltage of 150 V and power dissipation of 0.125 W, it is ideal for surface mounting type.
LM358MX
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Synsemi
SS495ASP
Micro Switch
The Micro Switch SS495ASP is an analog circuit IC with a supply voltage range of 4.5V to 10.5V, suitable for automotive applications. Its package body material is plastic/epoxy, and it has a rectangular shape with three terminals. Operating temperature ranges from -40°C to 125°C, making it ideal for various automotive sensor and control systems.
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;
MBRS140T3G
MBRS140T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.6V and max output current of 1A. It operates b/w -65°C to 125°C, making it suitable for various applications requiring high-speed switching and low power loss in a small outline package style. The diode's matte tin terminal finish and dual position terminals enhance its performance in surface mount configurations.
Taitron Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3.5 ohm; Maximum Drain Current (ID): .2 A; Peak Reflow Temperature (C): NOT SPECIFIED;
JANTX2N2222A
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3; JESD-609 Code: e0;
BC547CBU
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;
MMBT3906LT1G
MMBT3906LT1G by Onsemi is a PNP BJT with VCEsat of 0.4V, hFE of 30, and fT of 250MHz. Ideal for small signal applications in electronics due to its low power dissipation, high transition frequency, and compact SOT-23 package. Suitable for use in temperature-sensitive environments with an operating range from -65°C to 150°C.
BC817-25
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 170 MHz; Maximum Power Dissipation (Abs): .33 W; Maximum Collector Current (IC): .5 A;
BC847C
Micro Commercial Components
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .31 W; Maximum Collector Current (IC): .1 A;
BC817-40
Itt Semiconductor
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; JEDEC-95 Code: TO-236; Maximum Collector-Base Capacitance: 12 pF;
BC81740
Zetex Plc
BC81740 by Zetex Plc is a NPN BJT transistor with hFE of 250, VCE of 45V, and IC of 0.5A. Ideal for small signal applications in electronics due to its high transition frequency of 200MHz and compact small outline package. Suitable for surface mount designs requiring low power dissipation and high reliability.
MMBT3904
Diodes Incorporated
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): .2 A;
2N2905A
Hi-tron Semiconductor
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;
2N3904TAR
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
BC547B
Forward International Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A; Maximum Operating Temperature: 150 Cel;
BC846BW,115
NXP Semiconductors
BC846BW,115 by NXP Semiconductors is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 65V and a max collector current of 0.1A. It is commonly used for switching applications due to its low VCEsat of 0.6V and high DC current gain (hFE) of 200.
Changzhou Galaxy Century Microelectronics
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 170 MHz; Maximum Collector Current (IC): .5 A; Maximum Collector-Emitter Voltage: 45 V;
BC547C
Vishay Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 420;
2N3906
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .2 A; Maximum Collector-Emitter Voltage: 40 V;
2N3904
Samsung
2N3055-
Ge Industrial Solutions
Small Signal Bipolar Transistors;
ULN2003AIDR
Texas Instruments
ULN2003AIDR by Texas Instruments is a NPN BJT transistor with 7 elements and 16 terminals. It has a max collector-emitter voltage of 50V and max collector current of 0.5A, suitable for switching applications in surface mount designs. The package is rectangular with gull wing terminals, ideal for small outline configurations.
Micro Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;
Allegro MicroSystems
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Siemens
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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