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
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; Minimum DC Current Gain (hFE): 40;
Median Price
$0.110
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In-Stock Inventory
1k+
Rochester
1+ parts
100+ parts
$0.104
1k+ parts
$0.094
10k+ parts
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Nova Conductors
$0.046
Digiode
$0.100
Mobius Materials
$0.510
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Chip Stock
R&J Components
Fibra_Brandt Electronic GMBH
Rapid Electronics
$0.090
$0.069
Zilex Electronics Inc.
Halfin
Lakeview Electronics
Partservice
$0.174
$0.032
Kronex Distribution GmbH
Anansix
LWI Electronics Inc
Micros sp.j. W. Kędra i J. Lic
$0.197
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Schukat
$0.119
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Component Sense
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LittleDiode
Pegasus Components GmbH
ECAB
Huijzer Components
Corel Iberica Componentes, S.L.
Manotoh
J2 Sourcing AB
Holdelec - ElecDif-Pro
SOS electronic
$0.101
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ACDS - Activité Composants Distribution Service
Sinequanon
GES GmbH
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AZTECH Wire
$5.973
Component Stockers USA
$99.990
GreenTree Electronics
Infinite Electronics LLP (Excess)
Cyclops Electronics Ltd (Excess)
Authorized Procurement Solutions
Metaverse IC Inc.
QUARKTWIN TECHNOLOGY LTD
Glotronic Ltd.
Perfect Parts
SupplyDigital Components
UNI Independent Distributors
Assy Fe
TANS Electronics
Continental Prestige Electronics
Problanco Electronics
S.R.D Solutions
Kulean Microsystems
Supply Digital
A-Z Elektronik GmbH
UHIMA Technologies
Argo Parts USA
Kepictronics
Other Function Transistors BC639 attributes and parameters. Explore more Other Function Transistors devices from North American Philips Discrete Products Div
Maximum Collector Current (IC):
Configuration:
Minimum DC Current Gain (hFE):
JESD-609 Code:
No. of Elements:
Maximum Operating Temperature:
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Sub-Category:
Surface Mount:
Terminal Finish:
BC639 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5820-00-644-0961, 5820006440961, 5961-01-317-5788, 5961013175788
NIIN
006440961, 013175788
M24308/2-1F
Air Electro
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; MIL Conformity: YES; Additional Features: STANDARD: MIL-DTL-24308;
Cristek Interconnects
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; No. of Rows Loaded: 2; Shell Size: 1/E; Filter Feature: NO;
1N4148WS
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
ABS07-32.768KHZ-T
Abracon
Abracon ABS07-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring 0.032768 MHz frequency precision in a compact surface-mount design with gold over nickel finish.
NE555D
STMicroelectronics
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
SMBJ18CA
Yangzhou Yangjie Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
NDT2955
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; Package Style (Meter): SMALL OUTLINE; Maximum Drain Current (Abs) (ID): 2.5 A;
ABS25-32.768KHZ-1-T
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.
Panjit International
2N7002
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
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;
1N4148
Won-top Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM107H/883
Texas Instruments
LM107H/883 by Texas Instruments is a MIL-STD-883 compliant operational amplifier with 3000uV max input offset voltage, 80dB common mode reject ratio, and 250kHz unity gain bandwidth. Ideal for military applications due to its -55 to 125 °C operating temperature range and robust metal package body material.
MBR1560CT
RECTIFIER DIODE; Surface Mount: NO; Maximum Operating Temperature: 150 Cel; Maximum Repetitive Peak Reverse Voltage: 60 V; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 150 A;
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Excel (Suzhou) Semiconductor
Bourns
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Compensated Devices
RECTIFIER DIODE; Terminal Position: UPPER; Terminal Form: NO LEAD; No. of Terminals: 1; Surface Mount: YES; Package Shape: SQUARE;
Silicon Standard
BC327-25
Shanghai Lunsure Electronic Technology
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .8 A; Terminal Finish: Tin/Lead (Sn/Pb);
TIP111
General Electric Solid State
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 4 A; Minimum DC Current Gain (hFE): 500;
TIP125
Inchange Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Minimum DC Current Gain (hFE): 1000;
2N2905A
Dionics-usa
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;
2N2907A
Semiconductors
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .4 W; Maximum Collector Current (IC): .6 A;
BC817-40
Shandong Yiguang Electronic Joint Stock
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .5 A;
SI4532DY
Vishay Intertechnology
SI4532DY by Vishay Intertechnology is a N-CHANNEL AND P-CHANNEL transistor with a max drain current of 3.9A and max power dissipation of 2W. It is a surface mount device suitable for applications requiring metal-oxide semiconductor technology, such as temperature-sensitive systems operating up to 150°C.
TIP127
Sinyork
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .065 W; Maximum Collector Current (IC): .005 A; Maximum Operating Temperature: 85 Cel;
BC817-16
Kodenshi Auk
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 100;
BC847B
North American Philips Discrete Products Div
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .1 A;
2N2222A
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Philips Semiconductors
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 4 A; Terminal Finish: Tin/Lead (Sn/Pb);
BC337-16
Bharat Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 100;
2N4401
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .6 A;
TIP117
Jiangsu Changjiang Electronics Technology
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 4 A; Minimum DC Current Gain (hFE): 500;
TIP29C
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 30 W; Maximum Collector Current (IC): 1 A;
MMBT4401
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): .6 A;
BD243C
National Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 8 A; Maximum Operating Temperature: 150 Cel;
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 260 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .8 A;
Panasonic
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BC639
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 1 A;
Bytesonic Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; No. of Elements: 1;
Telefunken Microelectronics
Infineon Technologies
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; Maximum Operating Temperature: 150 Cel;
Tt Electronics Plc
BC636
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; No. of Elements: 1;
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; Maximum Operating Temperature: 150 Cel;
Secos
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; JESD-609 Code: e0;
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; Minimum DC Current Gain (hFE): 40;
BC636-10,126
NXP Semiconductors
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .83 W; Maximum Collector Current (IC): 1 A; No. of Elements: 1;
BC635-16,126
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .83 W; Maximum Collector Current (IC): 1 A;
BC636,126
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .83 W; Maximum Collector Current (IC): 1 A; Minimum DC Current Gain (hFE): 63;
BC637
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): 1 A; JESD-609 Code: e0;
BC635
BC638
BC635-16
Spc Technology/ Multicomp
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 2.75 W; Maximum Collector Current (IC): 1 A; Maximum Operating Temperature: 150 Cel;
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