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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 21–30 of 27,513 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
PMST4401,115NexperiaSmall Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon297,674
PDTC143ZU,115NexperiaTransistor Digital BJT NPN 50V 100mA 3-Pin SC-70 T/R4,373,127
PDTB113ZT,215NexperiaSmall Signal Bipolar Transistor, 0.5A I(C), 50V V(BR)CEO, 1-Element, PNP, Silicon, TO-236AB1,045,762
PDTA144ET,215NexperiaSmall Signal Bipolar Transistor, 0.1A I(C), 50V V(BR)CEO, 1-Element, PNP, Silicon, TO-236AB481,222
PBSS4320T,215NexperiaPBSS4320T Series 20 V 2 A SMT NPN Low VCEsat Transistor - SOT-23443,632
PBSS4120T,215NexperiaPBSS4120T Series 20 V 1 A SMT NPN Low VCEsat (BISS) Transistor - SOT-23-3475,249
NJVNJD2873T4GonsemiPower Bipolar Transistor, 2A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin608,403
NJT4030PT3Gonsemi40V 2W 200@1A,1V 3A PNP SOT-223 Bipolar Transistors - BJT ROHS1,015,053
MUN5211T1GonsemiBipolar Pre-Biased / Digital Transistor, BRT, Single NPN, 50 V, 100 mA, 10 kohm, 10 kohm1,959,795
MMFTN3019E-MSMSKSemi SemiconductorsFind MMFTN3019E on Octopart: the fastest source for datasheets, pricing, specs and availability.12,620

How to Choose Discrete Semiconductors

A practical selection framework for Discrete Semiconductors covering specifications, packaging, lifecycle, and sourcing on Octatronics.

  1. Define electrical and environmental requirements

    Start with the required function and operating conditions for Discrete Semiconductors, then lock in critical parameters such as breakover voltage, on-state current, gate trigger current, holding current, and dv/dt capability. Match these against datasheet limits, not catalog summaries alone.

  2. Validate package and land pattern compatibility

    Confirm the Discrete Semiconductors package matches your PCB footprint, pick-and-place constraints, and moisture sensitivity handling. Verify reel/tape or tube packaging for production.

  3. Check lifecycle, compliance, and alternates

    Review lifecycle status (Active, NRND, EOL), RoHS, and approved alternate sources for Discrete Semiconductors before committing to high-volume builds. Use Octatronics cross-reference data when a drop-in replacement is needed.

  4. Compare manufacturers and request pricing

    Filter Discrete Semiconductors by manufacturers such as onsemi and ROHM, compare key specs side by side, then submit an RFQ with quantity, target delivery, and traceability requirements.

About Discrete Semiconductors

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.