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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Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Static Inter-Base Resistance: 9.1 kohm; Minimum Static Inter-Base Resistance: 4.7 kohm; Maximum Emitter Current: 50 mA;
Median Price
$5.875
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43
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1k+
Element14
1+ parts
$5.430
100+ parts
$4.360
1k+ parts
$3.200
10k+ parts
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Farnell
$6.320
$3.510
$1.760
TEDSS.com
$1.750
Digiode
$3.571
Ace Electronics
$4.000
Component Electronics Inc.
$5.380
$4.040
$3.500
Forefront Electronics and Design
$9.800
American Microsemiconductor Inc.
$9.950
Vyrian
PUI
Bristol Electronics
Halfin
DigiKey Marketplace
Huijzer Components
LittleDiode
ACDS - Activité Composants Distribution Service
Resion
ECAB
Tech-Mark Corp
Electronics Depot
Electronic Expediters
DF Sales Co.
Manoshevitz Elec. Sales
Holdelec - ElecDif-Pro
Inland Empire Components Inc.
Century Electronics Ltd.
Lakeview Electronics
Manotoh
Fibra_Brandt Electronic GMBH
Connector Distribution Corp
Right Parts Inc.
Kallista Electronics Ltd
ComSIT Distribution GmbH
Euro-Tech
Donberg Electronics Ltd
MISTER SPROCKETS
LWI Electronics Inc
R&J Components
Microfarads
Prism Electronics
GES GmbH
Odi Ramu Company
Advanced Electronics
$0.404
$0.400
$0.384
Parana Technologies
$0.836
$1.798
DigiPath Technology Company
$0.920
$0.847
ChromeModa Solutions
$0.939
$0.770
IDEA Electronic Components Group
$0.845
Component Stockers USA
$1.630
$1.500
Corphita
$3.383
Continental Prestige Electronics
$6.590
$3.660
$2.060
Native Components
$16.069
Northwest PG Solutions
$17.676
$15.908
QUARKTWIN TECHNOLOGY LTD
Microchip USA
Authorized Procurement Solutions
Glotronic Ltd.
Futuretech Components
Kepictronics
Perfect Parts
Cyclops Electronics Ltd (Excess)
RTC Component Inc.
Assy Fe
Unijunction Transistors (UFT) 2N2647 attributes and parameters. Explore more Unijunction Transistors (UFT) devices from Boca Semiconductor
Maximum Emitter Current:
Maximum Inter-base Voltage:
Maximum Intrinsic Stand-off Ratio:
Minimum Intrinsic Stand-off Ratio:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Peak Point Current:
Maximum Power Dissipation (Abs):
Maximum Static Inter-Base Resistance:
Minimum Static Inter-Base Resistance:
Sub-Category:
Surface Mount:
Minimum Valley Point Current:
2N2647 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-148-2659, 5961001482659, 5961-00-097-8676, 5961000978676, 5961-00-764-3167, 5961007643167, 5961-00-895-6389, 5961008956389, 5961-00-472-3255, 5961004723255, 5961-01-104-2883, 5961011042883
NIIN
001482659, 000978676, 007643167, 008956389, 004723255, 011042883
Boca Semiconductor Corp., a leading global supplier of Discrete Semiconductor Products, specializes in discontinued and end of life products. Our product strengths are: Rectifiers SCR's Transistors Unijunctions Boca Semiconductor Corp. is committed to the highest levels of customer service and support. To better serve our ever-expanding client base we maintain leadership in the manufacture of a comprehensive range of transistors in conventional leaded insertion mount and surface mount packages. Additionally, as we strive to meet and exceed our client expectations, we are proud that our factories are ISO9002 certified. Our niche is the contract manufacturing of transistors, diodes, voltage regulators, stud base rectifiers, power mosfets that have been discontinued by major manufacturers like Motorola, Fairchild, Texas Instrument and National Semiconductor. Specialized Services from BSC: Custom Built/Designed components and OEM Services Available. Tell us how we can help. Custom testing & certification of electronic components. What are your requirements? We specialize in components for power supplies, electronic measurement & calibration, and fire alarm controls.
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;
OHN3020U
Tt Electronics Plc
OHN3020U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 5mT. It features an output range of 25mA and operates in temperatures ranging from -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields, such as automotive sensors or industrial automation systems.
STM8S003F3P6TR
STMicroelectronics
STM8S003F3P6TR by STMicroelectronics is an 8-bit microcontroller with a max clock frequency of 16 MHz. It features 1024 RAM bytes, 128 data EEPROM size, and 5-ch 10-bit ADC channels. Ideal for industrial applications requiring low power mode and connectivity via I2C, SPI, and UART interfaces.
BAV99
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; Maximum Forward Voltage (VF): 1 V; Maximum Operating Temperature: 150 Cel;
2N2222A
Micro Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
STM32H753ZIT6
STM32H753ZIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20-Ch 16-Bit ADC and 2-Ch 12-Bit DAC channels. With a clock frequency of up to 48 MHz, it is ideal for industrial applications requiring CAN, Ethernet, and USB connectivity. This microcontroller operates b/w -40°C to +85°C temperature range.
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
Tesla Elektronicke Soucastky
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
AT90CAN128-16AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Micronas Semiconductor Holding Ag
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Output Current: .2 A; Maximum Forward Voltage (VF): 1.2 V;
M85049/85-08W02
TE Connectivity
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Wire Gauge (AWG): 0; Maximum Wire Size: 0 AWG; Maximum Operating Temperature: 175 Cel; Material: ALUMINUM ALLOY;
M39029/56351
Souriau
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Gender: FEMALE; Insertion Tools: M81969/14-10; Tool Settings: M22520/2-10; DIN Conformity: NO;
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
LM317D2TG
Onsemi
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
ERJ3EKF1002V
Panasonic
Panasonic's ERJ3EKF1002V is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance.
1N4148
Bytesonic Electronics
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;
2N491A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Qualification: Not Qualified;
2N492A
Texas Instruments
2N492A by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 70mA, operating temperature range of -65 to 140°C, and package style in cylindrical shape. With a min static inter-base resistance of 6.2kohm and max peak point current of 12mA, it is ideal for low-power electronic circuits.
2N2422A
The Onsemi 2N2422A is a Unijunction Transistor with max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.3W. It is used in applications requiring precise triggering and timing control such as pulse generators and thyristor firing circuits.
2N4870
Asi Semiconductor
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Emitter Current: 50 mA; Terminal Form: WIRE;
Harris Semiconductor
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Intrinsic Stand-off Ratio: .75; Maximum Emitter Current: 50 mA; Maximum Peak Point Current: 5 mA;
2N489B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Operating Temperature: 140 Cel; JEDEC-95 Code: TO-5;
2N492C
The Onsemi 2N492C is a Unijunction Transistor with max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.45W. It is used for switching applications due to its silicon element material and single configuration.
2N4947
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Peak Point Current: 2 mA; Minimum Intrinsic Stand-off Ratio: .51;
Motorola
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Inter-base Voltage: 35 V; Minimum Valley Point Current: 2 mA;
2N4852
2N4852 by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 50mA, operating temperature range from -65 to 125°C, and max power dissipation of 0.3W. With a package style of cylindrical and terminal form wire, it offers reliable performance in various electronic circuits.
2N2646
Digitron Semiconductors
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Style (Meter): CYLINDRICAL; Maximum Operating Temperature: 125 Cel;
Semiconductors
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Static Inter-Base Resistance: 9.1 kohm; Minimum Intrinsic Stand-off Ratio: .56; Maximum Operating Temperature: 125 Cel;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; JEDEC-95 Code: TO-18; No. of Elements: 1;
2N490C
The Onsemi 2N490C is a Unijunction Transistor (UFT) with max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.45W. It is used for switching applications due to its silicon element material and cylindrical package style.
2SH20
Toshiba
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .25 W; Maximum Inter-base Voltage: 55 V; Maximum Peak Point Current: 3.5 mA; Terminal Finish: Tin/Lead (Sn/Pb);
New Jersey Semiconductor Products
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Position: BOTTOM; Qualification: Not Qualified;
Nte Electronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Body Material: PLASTIC/EPOXY; Minimum Operating Temperature: -55 Cel;
2N4949
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Inter-base Voltage: 25 V; Transistor Element Material: SILICON;
2N494B
The Texas Instruments 2N494B is a Unijunction Transistor with max emitter current of 70mA, max inter-base voltage of 65V, and power dissipation of 0.45W. It operates b/w -65°C to 140°C, with static inter-base resistance ranging from 6.2kohm to 9.1kohm. Ideal for applications requiring precise triggering and timing control in electronic circuits.
2N489A
2N489A by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 70mA, operating temperature range from -65 to 140°C, and max power dissipation of 0.45W. With a package style of cylindrical and isolated case connection, it offers reliable performance in various electronic circuits.
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