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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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27,513+Products
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Browse Discrete Semiconductors Products

Showing 11–20 of 27,513 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
SS8050CTAonsemiSmall Signal Bipolar Transistor, 1.5A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92306,709
SMUN5311DW1T1GonsemiSmall Signal Bipolar Transistor, 0.1A I(C), 50V V(BR)CEO, 2-Element, NPN and PNP, Silicon1,976,968
SMMBT4403LT1GonsemiON Semi SMMBT4403LT1G PNP Bipolar Transistor; 0.6 A; 40 V; 3-Pin SOT-231,735,157
SMBT3906DW1T1GonsemiON SEMI SMBT3906DW1T1G DUAL PNP BIPOLAR TRANSISTOR, 0.2 A, 40 V, 6-PIN SOT-363415,201
S1M-E3/61TVishayDIODE GEN PURP 1KV 1A DO214AC / Rectifier Diode Switching 1KV 1A 1800ns 2-Pin SMA T/R28,468,858
RUM002N02T2LROHMRUM002N02 Series 20 V 1.2 Ohm 200 mA Surface Mount N-Channel MOSFET - VMT-34,235,077
PZTA92T1GonsemiBipolar (BJT) Single Transistor, General Purpose, PNP, 300 V, 50 mA, 1.5 W, SOT-223, Surface Mount875,651
PUMT1,115NexperiaSmall Signal Bipolar Transistor, 0.1A I(C), 40V V(BR)CEO, 2-Element, PNP, Silicon893,013
PUMH20,115Nexperia50 V, 100 mA NPN/NPN resistor-equipped double transistor; R1 = 2.2 kOhm, R2 = 2.2 kOhm246,842
PUMB2,115NexperiaSmall Signal Bipolar Transistor, 0.1A I(C), 50V V(BR)CEO, 2-Element, NPN and PNP, Silicon629,662

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.