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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P2647 by Onsemi is a Unijunction Transistor with key specs: Min. Intrinsic Stand-off Ratio 0.68, Max. Static Inter-Base Resistance 9.1 kohm, and Min. Valley Point Current 4 mA. It is used in applications requiring precise triggering and timing control in electronic circuits.
Median Price
$85.310
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
American Microsemiconductor Inc.
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Vyrian
Digiode
Microfarads
Corohmni
SupplyDigital Components
Kulean Microsystems
Corphita
Problanco Electronics
TANS Electronics
UHIMA Technologies
A high minimum intrinsic stand-off ratio of 0.68 ensures reliable performance and stability in the circuit, making this UFT a dependable choice for various applications.
With a maximum static inter-base resistance of 9.1 kohm, this UFT offers efficient conduction and minimal signal loss, enhancing overall performance and signal integrity.
The maximum intrinsic stand-off ratio of 0.82 indicates a well-designed and balanced UFT, providing consistent and accurate operation for the circuit.
The low minimum static inter-base resistance of 4.7 kohm enables smooth and efficient current flow within the circuit, ensuring optimal functionality and output.
The minimum valley point current of 4 mA indicates a stable operating point for the UFT, allowing for precise control and modulation of currents in the circuit.
With a maximum peak point current of 5 mA, this UFT can handle higher current spikes or surges, making it suitable for applications with varying current demands.
Unijunction Transistors (UFT) P2647 attributes and parameters. Explore more Unijunction Transistors (UFT) devices from Onsemi
Maximum Intrinsic Stand-off Ratio:
Minimum Intrinsic Stand-off Ratio:
Maximum Peak Point Current:
Maximum Static Inter-Base Resistance:
Minimum Static Inter-Base Resistance:
Sub-Category:
Surface Mount:
Minimum Valley Point Current:
P2647 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
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
Rochester
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
2N2222A
Swampscott Electronics
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
Taiwan Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Peak Reflow Temperature (C): 260; Maximum Operating Temperature: 175 Cel; JESD-609 Code: e3; No. of Elements: 1;
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;
SS495A-SP
Honeywell Sensing And Control
SS495A-SP by Honeywell is a magnetic field sensor with 10.5V max supply voltage, 3" body width, and 1.5% linearity. Ideal for applications requiring a Hall effect sensor with -40 to 150°C operating temperature range, such as position sensing in automotive or industrial systems.
SMBJ18CA
Sangdest Microelectronics (Nanjing)
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Kingwell Technonlogy
LM555CMX
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
SS14
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; No. of Phases: 1; Config: SINGLE; Maximum Operating Temperature: 125 Cel;
M39029/58-360
Glenair
CONNECTOR ACCESSORY; Contact Gender: MALE; Material: COPPER ALLOY; IEC Conformity: NO; MIL-Connector Accessory Name: CONTACT; MIL Conformity: YES;
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z+T&R
Analog Devices
DS18B20Z+T&R by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. The sensor comes in a plastic package suitable for surface mount applications, with a max supply voltage of 5.5V and min of 3V.
NC7WZ17P6X
The Onsemi NC7WZ17P6X is a logic gate with 2 functions, featuring a propagation delay of 13.1 ns at 1.8V supply voltage. Ideal for industrial applications, it operates b/w -40 to 85°C and has a max power supply current of 100mA. With Schmitt Trigger technology and small outline packaging, it suits compact electronic designs requiring fast signal processing.
Loras Industries
RC0805FR-0710RL
Yageo
Yageo's RC0805FR-0710RL is a 10 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. With a temperature range of -55 to 155 °C, it suits applications requiring precise resistance values in compact surface mount designs.
BAV99+
Multicomp Pro
BAV99+ by Multicomp Pro is a series connected diode with 0.2A output current and 75V peak reverse voltage. Its 0.006us reverse recovery time makes it ideal for high-speed applications. This small outline rectifier diode is designed for surface mount installation in electronic circuits.
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z/T&R
Maxim Integrated
DS18B20Z/T&R by Maxim Integrated is a 12-bit digital temperature sensor with a max supply voltage of 5.5V and an accuracy of 0.50°C. It features a 1-Wire interface, operates b/w -55°C to 125°C, and is ideal for applications requiring precise temperature monitoring in compact spaces.
BSS123-7-F
Diodes Incorporated
BSS123-7-F by Diodes Inc. is a N-channel FET with 100V DS breakdown voltage and 0.17A drain current. Ideal for switching applications, it features a single configuration with built-in diode, operates in enhancement mode, and has a max power dissipation of 0.3W.
Silicon Standard
2N494A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Peak Point Current: 12 mA; Maximum Emitter Current: 70 mA;
2N490B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Transistor Element Material: SILICON; Package Shape: ROUND;
P2646
Onsemi's P2646 is a Unijunction Transistor with key specs: Min. Stand-off Ratio 0.56, Max. Inter-Base Resistance 9.1 kohm, Min. Valley Point Current 4 mA. Ideal for applications requiring precise triggering and control in electronic circuits.
2N4870
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;
2N2160
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Transistor Application: SWITCHING; Peak Reflow Temperature (C): NOT SPECIFIED;
2N2646
Semiconductors
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Finish: Tin/Lead (Sn/Pb); Minimum Valley Point Current: 4 mA; Maximum Emitter Current: 50 mA;
Semitronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Qualification: Not Qualified; No. of Terminals: 3;
2N491B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Operating Temperature: 140 Cel; Maximum Inter-base Voltage: 65 V;
2SH21
Toshiba
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .25 W; Maximum Intrinsic Stand-off Ratio: .85; Terminal Finish: Tin/Lead (Sn/Pb); Minimum Static Inter-Base Resistance: 4 kohm;
Texas Instruments
2N490B by Texas Instruments is a Unijunction Transistor (UFT) with max emitter current of 70mA and max power dissipation of 0.45W. It is used for switching applications, featuring a package shape of ROUND and terminal form WIRE. Operating temperature ranges from -65 to 140 °C.
2N2417A
The Onsemi 2N2417A 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 such as pulse generators and timing circuits due to its single configuration and silicon element material.
2N490
The Texas Instruments 2N490 is a Unijunction Transistor (UFT) with a max emitter current of 70mA, ideal for switching applications. It has a max inter-base voltage of 65V and can operate in temperatures ranging from -65 to 140°C. The transistor element material is silicon, with a package style that is cylindrical in shape.
Crimson Semiconductor
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Inter-base Voltage: 35 V; Transistor Element Material: SILICON;
2N2419A
The Onsemi 2N2419A 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 a single configuration transistor for low to medium power operations at temperatures ranging from -65 °C to 140°C.
NTE6410
NTE6410 by Nte Electronics is a plastic/epoxy unijunction transistor with single configuration for switching applications. It has a max emitter current of 50mA, max inter-base voltage of 35V, and max power dissipation of 0.3W. Ideal for low-power switching circuits due to its compact cylindrical package design and silicon element material.
2N3980
2N3980 by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 50mA, operating temperature range of -65 to 200°C, and max power dissipation of 0.36W. Ideal for low-power switching circuits in various electronic devices.
2N490A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Package Style (Meter): CYLINDRICAL; Package Body Material: METAL;
2N494C
The Onsemi 2N494C is a Unijunction Transistor for switching applications. It has a max emitter current of 70mA, max inter-base voltage of 65V, and max power dissipation of 0.45W. Ideal for low-power switching circuits due to its silicon element material and operating temperature range from -65 °C to 140°C.
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.
2N2418A
The Onsemi 2N2418A 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 a single configuration transistor for temperature range -65 to 140 °C.
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Unijunction Transistors; Surface Mount: NO; Minimum Intrinsic Stand-off Ratio: .56; Maximum Static Inter-Base Resistance: 9.1 kohm; Minimum Valley Point Current: 4 mA; Minimum Static Inter-Base Resistance: 4.7 kohm;
Unijunction Transistors; Surface Mount: NO; Minimum Static Inter-Base Resistance: 4.7 kohm; Minimum Intrinsic Stand-off Ratio: .56; Maximum Peak Point Current: 5 mA; Maximum Intrinsic Stand-off Ratio: .75;
P2647
Unijunction Transistors; Surface Mount: NO; Maximum Peak Point Current: 5 mA; Maximum Static Inter-Base Resistance: 9.1 kohm; Maximum Intrinsic Stand-off Ratio: .82; Minimum Valley Point Current: 4 mA;
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