Buy IRFZ44 N-Channel MOSFET Online in South Africa
Purchase IRFZ44 N-FET transistors at Communica. Check local stock in Samrand, compare specs, request quotes for bulk buys, and collect in-branch.

Local Stock & Pickup
Check Samrand, Pretoria, or Cape Town branch availability for fast collection.
Specs to Compare
Verify Vds, Rds(on) at Vgs, gate charge, and thermal limits before buying.
Complete Your Build
Add heatsinks, gate resistors, and protection parts to avoid failures.
Overview: IRFZ44 N-Channel MOSFET
The IRFZ44 is a popular N-channel power MOSFET used for switching and low-side power control in hobby, education, and industrial prototypes. When you search to buy IRFZ44 N-FET transistor online in South Africa, key considerations are package type (TO-220), Rds(on), Vds rating, gate charge, and availability from local suppliers to minimise lead times and allow branch collection.
Why choose locally stocked parts
- Faster turnaround for repairs and student projects - check Samrand, Pretoria CBD, or Cape Town branch stock.
- VAT invoices and local account quoting for procurement teams and tertiary institutions.
- Easier swap for equivalent MOSFETs and accessory parts (heatsinks, gate resistors, snubbers).
Common specs to confirm
When comparing offers to buy IRFZ44 N-FET transistor online, verify these specifications on the product page or datasheet:
| Spec | Typical Value | Why it matters |
|---|---|---|
| Vds (Drain-Source Voltage) | ~55V | Maximum voltage the device can block when off. |
| Rds(on) | ~0.028-0.08Ohm (depending on gate) | On-resistance affects conduction losses and heating. |
| Id (Continuous Drain Current) | Tens of amps (thermal limited) | Determine cooling and heatsink needs for sustained loads. |
Note: exact figures vary by manufacturer and batch. Always consult the specific product datasheet linked on the product page before purchase.
Stock tip: Use Communica's product search and the Samrand branch stock checker to confirm immediate availability. If lead times apply, request a quote for larger quantities.
Compatibility & application notes
IRFZ44 devices are commonly used in motor drivers, DC-DC converters, and power switching for LED drivers and battery systems. For gate-drive compatibility, ensure your drive voltage reaches the MOSFET's recommended gate threshold and consider logic-level alternatives if you are driving from 3.3V logic.
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Selecting the Right IRFZ44 and Accessories
When you buy IRFZ44 N-FET transistor online, consider these accessory and replacement options to complete your build: TO-220 heatsinks, M3 mounting hardware, gate resistors (10-100Ohm), flyback diodes for inductive loads, and PCB footprints that accept TO-220 or TO-247 packages.
Specification callouts and compatibility guidance
- If your control signal is 5V, IRFZ44 typically works well; for 3.3V gate drive, check logic-level MOSFETs with lower Rds(on) at Vgs=3.3V.
- For continuous currents above a few amps, plan a heatsink rated for the expected thermal dissipation using P = I^2 x Rds(on).
- Add a gate resistor to limit switching transients and a snubber or TVS for inductive load protection.
Pricing, procurement, and local logistics
Prices for single IRFZ44 units are typically modest; for example, small quantities might range from a few ZAR up to tens of ZAR depending on brand and packaging (estimate only). For bulk buys, use Communica's Request a Quote option to get formal pricing and VAT invoices for procurement. Branch pickup is available from Samrand, Pretoria CBD, or Cape Town when in stock - check the branch pages for trading hours and collection procedures.
Compare specs & request help
Use the "Compare Specs" tool on product pages to view datasheets side-by-side: Vds, Rds(on) at specific Vgs, gate charge (Qg), and thermal resistance. If you need a direct replacement or alternate MOSFET recommendation, Communica's product listings include related categories like Semiconductors, Power, and Tools & Test for builds and validation.
How to buy
- Shop Now: add IRFZ44 units and accessories to your cart.
- Check Stock in Samrand: confirm immediate collection availability on the product page.
- Compare Specs: use datasheets to ensure the right fit for gate drive and power dissipation.
- Request a Quote: for larger quantities or formal procurement documentation including VAT.
Sources
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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