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Heatsinks in bulk for TO-220, BGA, LED, and power modules. Local South African stock, technical specs, and branch collection available from Communica.
Heatsinks for TO-220, LEDs, chips, and power modules in multiple pack sizes.
Check Samrand or branch stock for immediate collection and reduce downtime.
Choose from proven heatsink brands for consistent quality in projects and production.
Whether you're building production batches of custom PCBs, assembling industrial power control enclosures, or managing spares for a technical facility, sourcing bulk heatsinks in South Africa is key to ensuring project consistency and thermal reliability. Communica delivers a full selection of heatsink types - including TO-220, TO-247, BGA, extruded, and adhesive-backed formats - in pack sizes ideal for OEMs, repair labs, educators, and makerspaces.
| Type | Application | Brands at Communica | Sizes/Pack Options |
|---|---|---|---|
| TO-220 extruded | Voltage regulators, MOSFETs | AAVID, Fischer, generic | 10, 50, 100 packs |
| Thermal adhesive chips | Raspberry Pi, LED PCBs | Winbond, generic | 10s, 25s, bulk rolls |
| High-mass extruded | Audio amps, power rails | Fischer, Unbranded | Per-length, multiples |
Choosing the correct bulk heatsink is about matching form factor and thermal resistance to your component:
Consistent, rapid availability matters for South African assemblers and engineers. By choosing Communica for bulk heatsink orders, you benefit from:
Suppose you're assembling 100 amplifier PCBs using TO-220 MOSFETs. Each MOSFET dissipates roughly 2.5W during normal operation. To keep junction temperature under 85 degreesC with an ambient of 35 degreesC, calculate the required heatsink thermal resistance:
Formula: (Tj-max - Tambient) / Power = Total R
(85 degreesC - 35 degreesC) / 2.5W = 20 degreesC/W
So, select a bulk-pack TO-220 heatsink with <=20 degreesC/W per part (allowing some margin), and multiply the pack count (e.g., 100 or 120 for assembly overruns).
With branches across the country and a responsive support team, Communica helps procurement officers and education coordinators keep projects moving with reliable bulk heatsink supply.
Shop online by heatsink category or brand, check branch hours for collection, and request a formal quote for large or recurring orders.
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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