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; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Intrinsic Stand-off Ratio: .56; Package Style (Meter): CYLINDRICAL;
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Unijunction Transistors (UFT) 2N491B attributes and parameters. Explore more Unijunction Transistors (UFT) devices from Hi-tron Semiconductor
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 Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Maximum Peak Point Current:
Maximum Power Dissipation (Abs):
Qualification:
Maximum Static Inter-Base Resistance:
Minimum Static Inter-Base Resistance:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Element Material:
Minimum Valley Point Current:
2N491B Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-239-9589, 5961002399589, 5961-00-766-2947, 5961007662947
NIIN
002399589, 007662947
ULN2803ADWRG4
Texas Instruments
ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
2N2222A
Semicoa
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM555CMX
LM555CMX by Texas Instruments is an Analog Waveform Generation IC with 8 terminals. It operates at a nominal voltage of 5V and supports power supplies ranging from 5V to 15V. This versatile IC, housed in a small outline package, is commonly used for pulse and rectangular waveform generation in commercial temperature environments.
1N4148WS
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SMBJ18CA
Fagor Electronica S Coop
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
International Devices
Tak Cheong Electronics Holdings
Hitachi
Rectron
ABS06-32.768KHZ-T
Abracon
Abracon's ABS06-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 90000 ohm series resistance, and -40 to 85 °C operating temperature range. Ideal for applications requiring precise timing in compact designs like IoT devices and wearables.
STM32H743IIT6
STMicroelectronics
STM32H743IIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications due to its wide temperature range (-40°C to 85°C) and various connectivity options (CAN, I2C, UART, USB).
MMBF170LT1G
Onsemi
MMBF170LT1G by Onsemi is a N-CHANNEL FET with 60V DS Breakdown Voltage and 0.5A Drain Current. Ideal for SWITCHING applications, it operates in ENHANCEMENT MODE with a max power dissipation of 0.225W. This small outline transistor has a temperature range from -55 to 150 °C.
Changzhou Galaxy Century Microelectronics
FDC5614P
TAIZHOU ELECTRONICS CO LTD
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.92 W; Maximum Operating Temperature: 150 Cel; Package Body Material: PLASTIC/EPOXY;
LL4148
Continental Device India
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM107H/883C
National Semiconductor
LM107H/883C by National Semiconductor is a MILITARY-grade Operational Amplifier with +-5/+-15V supplies. Featuring 2000uV max input offset voltage, it operates from -55 to 125 °C. Ideal for applications requiring VOLTAGE-FEEDBACK architecture and frequency compensation.
Ksl Microdevices
SS14
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Hy Electronic
2N4870
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;
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;
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);
2N493B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Package Shape: ROUND; Minimum Intrinsic Stand-off Ratio: .62;
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.
2N493A
2N493A by Texas Instruments 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, and it features a package style of cylindrical with isolated case connection.
2N2646
Philips Semiconductors
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Peak Point Current: 5 mA; Maximum Static Inter-Base Resistance: 9.1 kohm; Terminal Finish: Tin/Lead (Sn/Pb);
2N3980
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Emitter Current: 50 mA; Minimum Operating Temperature: -65 Cel;
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.
Thomson Consumer Electronics
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Inter-base Voltage: 35 V; Maximum Emitter Current: 50 mA; Minimum Valley Point Current: 4 mA;
Digitron Semiconductors
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Style (Meter): CYLINDRICAL; Maximum Operating Temperature: 125 Cel;
2N1671A
2N1671A 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 single configuration and silicon transistor element material. Operating temperature ranges from -65°C to 140°C, making it suitable for various electronic devices.
Silicon Group
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; JESD-609 Code: e0; Minimum Valley Point Current: 4 mA; Maximum Operating Temperature: 125 Cel;
JANTX2N4948
Motorola
JANTX2N4948 by Motorola is a Unijunction Transistor (UFT) with a single configuration for switching applications. It features a min valley point current of 2 mA and max peak point current of 2 mA. This transistor has a cylindrical package style with a metal body material, making it suitable for various electronic circuit designs.
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;
2N492B
2N492B 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.
2N2646 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 125°C and min intrinsic stand-off ratio of 0.56, making it suitable for various electronic circuits. With a package style of cylindrical and terminal form as wire, it offers reliable performance in diverse environments.
NXP Semiconductors
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Package Shape: ROUND; No. of Elements: 1; Package Body Material: METAL;
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.
TIS43
TIS43 by Texas Instruments is a Unijunction Transistor (UFT) with a max power dissipation of 0.36W, ideal for switching applications. It features a single configuration, silicon transistor element material, and 3 wire terminals in a cylindrical package shape. With a max static inter-base resistance of 9.1 kohm and min valley point current of 2 mA, it offers reliable performance for various electronic circuits.
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Hi-tron Semiconductor
Supply Digital Components
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