Skip to main content
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.

Request Quote Browse Base Models
27,513+Products
3Subcategories
10+Manufacturers
100%Original & New
GlobalDelivery

Browse Discrete Semiconductors Products

Showing 3861–3870 of 27,513 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
MJW21196GonsemiNPN BJT 250V 16A TO-247 Power Transistor50,400
MJW21195GonsemiBipolar Transistor, PNP, 250 V, 16 A, TO-247, 30-TUBE4
MJW21194GonsemiNPN BJT 250V 16A TO-247 Power Transistor43,200
MJW21193GonsemiBipolar Transistor, PNP, 250 V, 16 A, TO-247, 30-TUBE43,200
MJW18020GonsemiNPN BJT 450V 30A TO-247 Power Transistor28,800
MJW1302AGonsemiPNP BJT | 230V | 15A | 200W | TO-247 Power Transistor55,200
MJW1302Aonsemi15 A, 230 V, 200 Watt, PNP Bipolar Power Junction Transistor, TO-247, 30-TUBE28
MJW0302Aonsemi150W Audio Transistor, TO-247, 30-TUBE31
MJW0281Aonsemi150W Audio Transistor, TO-247, 30-TUBE137
MJL4302AGonsemiPNP BJT 350V 15A 230W TO-264 Power Transistor32,000

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.

Articles & Technology

View All →