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The fundamental switches, rectifiers, and amplifiers of every power circuit.

Discrete Semiconductors

Discrete semiconductors are individual active components — diodes, transistors, MOSFETs, IGBTs, thyristors, and rectifiers — that perform switching, rectification, amplification, and voltage regulation in virtually every power and signal circuit. Octatronics indexes tens of thousands of discrete devices from Vishay, Nexperia, onsemi, Infineon, ROHM, Toshiba, and Diodes Incorporated with parametric search, package filtering, and RFQ support.

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Browse Discrete Semiconductors Products

Showing 4811–4820 of 27,513 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
FOD4218SVonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless160,000
FOD4218SDVonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless160,000
FOD4218SDonsemiTriac & SCR Output Optocouplers 6-PIN DIP TRIAC DRIVER160,000
FOD4218SonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless10
FOD4218onsemiTriac & SCR Output Optocouplers 800V low triggr curr RANDOM PHASE TRIAC160,000
FOD4216VonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless80,000
FOD4216TVonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless80,000
FOD4216SVonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless80,000
FOD4216SDVonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless80,000
FOD4216SDonsemiTriac & SCR Output Optocouplers Random Phase Triac Snubberless80,000

About Discrete Semiconductors

Unlike integrated circuits that combine multiple functions on one die, discrete semiconductors perform a single electrical function per device — making them fundamental building blocks that engineers combine to create custom power stages, protection circuits, signal switches, and amplifier topologies tailored to specific system requirements.

This category encompasses Diodes (Schottky, Zener, TVS, rectifier, and switching), Transistors (BJTs, MOSFETs, JFETs, IGBTs), and Thyristors (SCRs, TRIACs, DIACs). Discrete devices are selected based on voltage and current ratings, switching speed, on-resistance (RDS(on)), forward voltage drop, thermal characteristics, and package footprint.

On Octatronics, filter discrete semiconductors by device type, polarity, voltage/current class, package (SOT-23, TO-220, D2PAK, QFN), and automotive AEC-Q101 qualification. Compare parametric data across manufacturers and submit RFQs for prototyping or production volumes.

Frequently Asked Questions

Octatronics can help source a wide range of Discrete Semiconductors from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.

Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.

Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.

Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.

Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.