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; Minimum Operating Temperature: -55 Cel; Minimum Valley Point Current: 2 mA; Maximum Operating Temperature: 125 Cel;
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Unijunction Transistors (UFT) 2N4870 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:
2N4870 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
NSN
5961-00-493-5784, 5961004935784
NIIN
004935784
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.
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;
STM32H753IIT6
STMicroelectronics
STM32H753IIT6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs and 2-Ch 12-Bit DACs, suitable for industrial applications requiring high-speed data processing and connectivity via CAN, ETHERNET, USB, and more.
BSS138
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3 ohm; Minimum DS Breakdown Voltage: 50 V; Terminal Form: GULL WING;
1N4148WS
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Synsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
FDV304P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Moisture Sensitivity Level (MSL): 1; Maximum Drain Current (ID): .46 A;
MBRS360T3G
Onsemi
MBRS360T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.63V and a max output current of 3A. It is designed for applications requiring high-speed switching and low power loss, making it suitable for use in various electronic devices.
1N4148
Unitrode
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
Allegro MicroSystems
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAV99
Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
First Components International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Surge Components
SS14
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Hy Electronic
LM555CM
Texas Instruments
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
Invensys Sensor Systems
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; Maximum Repetitive Peak Reverse Voltage: 100 V;
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Forward Voltage (VF): .5 V;
2N7002-7-F
Diodes Incorporated
Diodes Inc. 2N7002-7-F is a N-channel FET with 60V DS breakdown voltage, 0.115A max drain current, and 13.5 ohm RDS(on). Ideal for switching applications in enhancement mode operation. Features Gull Wing terminals, small outline package style, and operates up to 150°C.
Boca Semiconductor
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;
2N4949
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Inter-base Voltage: 25 V; Transistor Element Material: SILICON;
2N1671C
The Onsemi 2N1671C is a Unijunction Transistor (UFT) with max emitter current of 50mA, max power dissipation of 0.45W, and max operating temp of 140 °C. It is used for switching applications due to its single configuration and silicon element material.
2N489B
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Operating Temperature: 140 Cel; JEDEC-95 Code: TO-5;
NTE6401
Nte Electronics
NTE6401 by Nte Electronics is a Unijunction Transistor (UFT) with max emitter current of 50mA, max inter-base voltage of 35V, and max power dissipation of 0.3W. Ideal for switching applications due to its silicon element material and static inter-base resistance ranging from 4.7kohm to 9.1kohm.
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.
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;
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.
2N492A
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Maximum Inter-base Voltage: 65 V; Terminal Position: BOTTOM;
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.
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.
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.
2N2646
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.
Swampscott Electronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Form: WIRE; Maximum Operating Temperature: 125 Cel;
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.
W4893
The Onsemi W4893 is a Unijunction Transistor with key specs: Min. Intrinsic Stand-off Ratio 0.55, Max. Static Inter-Base Resistance 12 kohm, and Min. Valley Point Current 2 mA. It is used in applications requiring precise triggering and timing control in electronic 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;
2N4851
2N4851 by Texas Instruments is a Unijunction Transistor for switching applications. It has a max emitter current of 50mA, operating temperature range from -65 to 200°C, and a package style in cylindrical shape. With a min intrinsic stand-off ratio of 0.56 and max static inter-base resistance of 9.1kohm, it is ideal for low-power electronic circuits.
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.
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;
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.
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Philips Components
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Package Style (Meter): CYLINDRICAL; Package Shape: ROUND; JEDEC-95 Code: TO-92;
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;
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;
General Electric Solid State
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Operating Temperature: 125 Cel; Minimum Intrinsic Stand-off Ratio: .56; Minimum Static Inter-Base Resistance: 4 kohm;
Semitronics
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Qualification: Not Qualified; No. of Terminals: 3;
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;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Body Material: PLASTIC/EPOXY; 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;
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;
New Jersey Semiconductor Products
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Terminal Form: THROUGH-HOLE; Transistor Application: SWITCHING;
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;
2N489
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .45 W; Minimum Operating Temperature: -65 Cel; JEDEC-95 Code: TO-5;
2N4891
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; JESD-30 Code: O-PBCY-W3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
2N4852
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Minimum Static Inter-Base Resistance: 4.7 kohm; Maximum Operating Temperature: 125 Cel;
2N4892
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Minimum Static Inter-Base Resistance: 4 kohm; Package Style (Meter): CYLINDRICAL;
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Emitter Current: 50 mA; No. of Elements: 1;
2N4853
Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Package Body Material: METAL; Maximum Intrinsic Stand-off Ratio: .85;
2N4871
Unijunction Transistors; Surface Mount: NO; Maximum Power Dissipation (Abs): .3 W; Maximum Inter-base Voltage: 35 V; Minimum Valley Point Current: 4 mA; Maximum Peak Point Current: 5 mA;
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