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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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.
Median Price
$174.560
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
American Microsemiconductor Inc.
1+ parts
100+ parts
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1k+ parts
10k+ parts
Vyrian
Digiode
Manoshevitz Elec. Sales
Corohmni
Kulean Microsystems
TANS Electronics
UHIMA Technologies
Corphita
SupplyDigital Components
Problanco Electronics
This ensures a stable operation and prevents premature firing, making the product reliable and efficient.
With a high inter-base resistance, the product offers improved isolation and reduced leakage currents, enhancing its performance in various applications.
A higher intrinsic stand-off ratio allows for better control over triggering, leading to precise operation and better overall performance.
The low static inter-base resistance results in reduced power consumption and improved efficiency, making it an ideal choice for power-sensitive applications.
The minimum valley point current ensures a smooth transition during triggering, minimizing voltage spikes and improving the stability of the product.
With a maximum peak point current of 5 mA, the product can handle high current requirements without risking damage, making it a reliable choice for demanding applications.
Unijunction Transistors (UFT) P2646 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:
P2646 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5130-21-905-9776, 5130219059776, 5365-00-353-2596, 5365003532596, 5925-01-073-3409, 5925010733409
NIIN
219059776, 003532596, 010733409
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
LM358N
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
BSS138PS,115
NXP Semiconductors
NXP Semiconductors' BSS138PS,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A max drain current. Ideal for switching applications, it features a 1.6 ohm max on-resistance and operates in enhancement mode. The transistor comes in a small outline package with GULL WING terminals, making it suitable for surface mount designs.
BAV99
Silicon Standard
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Dionics-usa
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
M39029/58-360
Conesys
CONNECTOR ACCESSORY; MIL Conformity: YES; Mating Contacts: M39029/57-354; Terminal Type: CRIMP; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT;
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Promax-johnton
1N4148
Kec
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Non Repetitive Peak Forward Current: 2 A; Config: SINGLE; Maximum Operating Temperature: 200 Cel;
2N7002
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Terminal Form: GULL WING; Maximum Drain-Source On Resistance: 7.5 ohm; Minimum DS Breakdown Voltage: 60 V;
Fct Electronic
CONNECTOR ACCESSORY; IEC Conformity: NO; Alternate Contact Sources: MILITARY; MIL Conformity: YES; Contact Gender: MALE; MIL-Connector Accessory Name: CONTACT;
SMBJ18CA
Mde Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Goodwork Semiconductor
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.
Diodes Incorporated
SS14
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Forward Voltage (VF): .5 V;
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
ESD5Z5.0T1G
ESD5Z5.0T1G by Onsemi is a unidirectional Trans Voltage Suppressor Diode with 5V reverse test voltage and 174W peak power dissipation. It is used for transient suppression in electronic circuits, meeting IEC-61000-4-2, 4-4 standards and UL recognized for reliability.
Transys Electronics
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
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;
2N1671A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; JESD-30 Code: O-MBCY-W3; Minimum Intrinsic Stand-off Ratio: .47;
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.
2N1671
Texas Instruments
2N1671 by Texas Instruments is a Unijunction Transistor (UFT) with a max emitter current of 50mA and max power dissipation of 0.45W. It is commonly used for switching applications due to its configuration as a single transistor with wire terminals, suitable for operating temperatures ranging from -65°C to 140°C.
2N2421A
The Onsemi 2N2421A 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, such as pulse generators and timing circuits.
2N4870
Silicon Group
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Peak Point Current: 5 mA; Minimum Static Inter-Base Resistance: 4 kohm; Maximum Intrinsic Stand-off Ratio: .75;
2N490A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Package Style (Meter): CYLINDRICAL; Package Body Material: METAL;
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;
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.
2N490A by Texas Instruments 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 isolated case connection.
2N490B
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.
2N4853
2N4853 by Texas Instruments is a Unijunction Transistor with max emitter current of 50mA, max inter-base voltage of 35V, and max power dissipation of 0.3W. It is used for switching applications due to its single configuration and silicon element material.
2N4892
2N4892 by Texas Instruments is a Unijunction Transistor (UFT) with a max emitter current of 50mA, ideal for switching applications. It has a max operating temperature of 150°C and min operating temperature of -55°C. The transistor element material is silicon, with a package shape of ROUND and terminal form WIRE.
2N491
The Texas Instruments 2N491 is a Unijunction Transistor (UFT) with a max emitter current of 70mA and max power dissipation of 0.45W. It is commonly used for switching applications due to its single configuration and silicon transistor element material. Operating temperature ranges from -65°C to 140°C, making it suitable for various electronic devices.
NTE6400A
Nte Electronics
NTE6400A by Nte Electronics is a Unijunction Transistor (UFT) with 3 terminals, made of silicon. It has a max emitter current of 50 mA and can handle up to 55 V inter-base voltage. Ideal for switching applications due to its low static inter-base resistance and high intrinsic stand-off ratio.
2N2646
Central Semiconductor
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Position: BOTTOM; JEDEC-95 Code: TO-18;
2N2160
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Transistor Application: SWITCHING; Peak Reflow Temperature (C): NOT SPECIFIED;
2N4947
2N4947 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. With a package style of cylindrical and terminal form as wire, it offers reliable performance in various electronic circuits.
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);
2N491B
2N491B by Texas Instruments 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 in various electronic devices.
New Jersey Semiconductor Products
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Form: THROUGH-HOLE; Transistor Application: SWITCHING;
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P2647
Unijunction Transistors; Surface Mount: NO; Maximum Static Inter-Base Resistance: 9.1 kohm; Minimum Static Inter-Base Resistance: 4.7 kohm; Minimum Valley Point Current: 4 mA; Maximum Intrinsic Stand-off Ratio: .82;
P2646
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;
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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