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
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Intrinsic Stand-off Ratio: .62; Transistor Application: SWITCHING;
Median Price
$14.400
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Bristol Electronics
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Vyrian
Digiode
PUI
Odintec Ltd.
Electronic Expediters
DF Sales Co.
Native Components
$0.031
$0.029
Parana Technologies
$0.708
$1.739
DigiPath Technology Company
$0.779
$0.717
ChromeModa Solutions
$0.795
$0.652
IDEA Electronic Components Group
$0.716
AZTECH Wire
$15.140
One Stop Electronics
$42.050
Kulean Microsystems
Problanco Electronics
TANS Electronics
Corphita
SupplyDigital Components
Northwest PG Solutions
UHIMA Technologies
Corohmni
Unijunction Transistors (UFT) 2N494B attributes and parameters. Explore more Unijunction Transistors (UFT) devices from Onsemi
Configuration:
Maximum Emitter Current:
Maximum Inter-base Voltage:
Maximum Intrinsic Stand-off Ratio:
Minimum Intrinsic Stand-off Ratio:
JEDEC-95 Code:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Maximum Peak Point Current:
Maximum Power Dissipation (Abs):
Maximum Static Inter-Base Resistance:
Minimum Static Inter-Base Resistance:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Minimum Valley Point Current:
2N494B Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-913-2863, 5961009132863, 5961-99-623-0817, 5961996230817, 5961-99-118-3292, 5961991183292
NIIN
009132863, 996230817, 991183292
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
SMBJ18CA
Concord Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V;
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N7002
Weitron Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Terminal Finish: TIN LEAD; Maximum Operating Temperature: 150 Cel;
1N4148WT
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Maximum Power Dissipation Ambient: .5 W;
Leshan Radio
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/56-351
Defense Logistics Agency
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Gender: FEMALE; Mating Contacts: M39029/58-363; Removal Tool Sources: MILITARY; Alternate Contact Sources: MILITARY;
EU2B-YS3303C
Idec
ROTARY SWITCH;
1N4148WS
Panjit International
Texas Instruments
1N4148 by Texas Instruments is a rectifier diode with max reverse recovery time of 0.004 us and max forward voltage of 1V. Ideal for applications requiring low reverse current such as signal demodulation circuits. Operates at max temp of 200°C, making it suitable for high-temperature environments.
OPA2277UA/2K5
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
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;
LM317T
Fairchild Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Output Current-1: 1.5 A; No. of Outputs: 1; Qualification Status: Not Qualified;
STMicroelectronics
MBRM140T1G
Onsemi
MBRM140T1G by Onsemi is a Schottky rectifier diode with 40V max repetitive peak reverse voltage, 1A max output current, and 0.3V max forward voltage. It is used in applications requiring small outline surface mount diodes for efficient power management.
LM7805CT
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
C0603C104K5RACAUTO
KEMET Corporation
KEMET C0603C104K5RACAUTO is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for automotive applications meeting AEC-Q200 standard, it comes in SMT package with matte tin finish and wraparound terminals.
Unitrode
Daco Semiconductor
2N2646
Semitronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; JESD-609 Code: e0; Maximum Operating Temperature: 125 Cel;
North American Philips Discrete Products Div
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Minimum Intrinsic Stand-off Ratio: .56; Maximum Inter-base Voltage: 35 V; Minimum Static Inter-Base Resistance: 4.7 kohm;
2N494
The Texas Instruments 2N494 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 in applications requiring a single configuration transistor for temperature range -65 to 140°C.
2N490A
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.
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.
NXP Semiconductors
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Package Shape: ROUND; No. of Elements: 1; Package Body Material: METAL;
2N4949
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Inter-base Voltage: 25 V; Transistor Element Material: SILICON;
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.
2N489B
2N489B 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 max power dissipation of 0.45W. With a package style of cylindrical and isolated case connection, it offers reliable performance in various electronic circuits.
2N4870
Space Power Electronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; JESD-30 Code: O-PBCY-W3; Minimum Operating Temperature: -55 Cel;
Central Semiconductor
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Qualification: Not Qualified; Package Body Material: PLASTIC/EPOXY;
Semiconductors
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Intrinsic Stand-off Ratio: .75; Minimum Intrinsic Stand-off Ratio: .56; Maximum Static Inter-Base Resistance: 9.1 kohm;
2N489A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Peak Point Current: 12 mA; JEDEC-95 Code: TO-5;
NTE6410
Nte Electronics
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.
2SH14
Toshiba
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Peak Point Current: 2000000 mA; Minimum Valley Point Current: 50 mA; Maximum Emitter Current: 50 mA;
2N2160
2N2160 by Texas Instruments is a Unijunction Transistor (UFT) with max emitter current of 70mA, max inter-base voltage of 35V, and max power dissipation of 0.45W. It is used for switching applications due to its silicon element material and operating temperature range from -65°C to 150°C.
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.
2N2421B
The Onsemi 2N2421B 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 UFT for temperature range -65 to 140 °C.
2N3980
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Emitter Current: 50 mA; Minimum Operating Temperature: -65 Cel;
2N490B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Transistor Element Material: SILICON; Package Shape: ROUND;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
2N4946
New Jersey Semiconductor Products
Unijunction Transistors; Configuration: SINGLE; JESD-609 Code: e0; Terminal Finish: Tin/Lead (Sn/Pb); Transistor Element Material: SILICON;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Emitter Current: 70 mA; JESD-30 Code: O-MBCY-W3;
2N491A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Package Body Material: METAL; Maximum Inter-base Voltage: 65 V;
2N491B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Qualification: Not Qualified; Minimum Operating Temperature: -65 Cel;
2N4947
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Intrinsic Stand-off Ratio: .69; Maximum Operating Temperature: 200 Cel;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; JEDEC-95 Code: TO-5; Maximum Emitter Current: 70 mA;
2N494A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; No. of Elements: 1; Maximum Static Inter-Base Resistance: 9.1 kohm;
2N490
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; JESD-30 Code: O-MBCY-W3; Package Body Material: METAL;
2N492
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Valley Point Current: 8 mA; JEDEC-95 Code: TO-5;
2N493A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Static Inter-Base Resistance: 6.8 kohm; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
2N492B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Static Inter-Base Resistance: 9.1 kohm; Qualification: Not Qualified;
2N492A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Package Shape: ROUND; Maximum Emitter Current: 70 mA;
2N4948
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Peak Reflow Temperature (C): NOT SPECIFIED; Minimum Operating Temperature: -65 Cel;
2N493
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; No. of Elements: 1; JEDEC-95 Code: TO-5;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Static Inter-Base Resistance: 12 kohm; Minimum Intrinsic Stand-off Ratio: .74;
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Intrinsic Stand-off Ratio: .75; Maximum Inter-base Voltage: 65 V; Maximum Peak Point Current: 6 mA;
2N493B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Intrinsic Stand-off Ratio: .75; Minimum Operating Temperature: -65 Cel;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Intrinsic Stand-off Ratio: .51; Maximum Peak Point Current: 12 mA;
2N491
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; JESD-30 Code: O-MBCY-W3; JEDEC-95 Code: TO-5;
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;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved