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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 7991–8000 of 27,513 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
SI4936ADY-T1-E3VishayN-Channel JFET, 30V, 4.4A, 36mR RdsOn, SOIC-8170
SI4931DY-T1-GE3VishayP-CH JFET 12V 6.7A 18mR SOIC N Surface Mount26
SI4931DY-T1-E3VishayP-CH JFET 12V 6.7A 18mR SOIC N T/R100
SI4925DY-T1-E3VishayP-CH MOSFET 30V 4.7A 32mR SO Tape & Reel100
SI4925DDY-T1-GE3VishayP-Channel JFET, 30V, 7.3A ID, 29mR Rds On, SOIC13,335
SI4925BDY-T1-E3VishayP-Channel JFET, 30V, 5.3A, 25mR Rds(on), 2-Ch, SOP-82,956
SI4922BDY-T1-E3Vishay2N-CH MOSFET 30V 8A 16mR SOIC100
SI4920DY-T1-E3VishayMOSFET 2N-CH 30V 8SOIC100
SI4914BDY-T1-E3VishayMOSFET 2N-CH 30V 8.4A/8A 8SOIC1
SI4913DY-T1-E3VishayP-CH MOSFET 20V 7.1A 15mR SOIC100

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.

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