SI8261BBD Isolator – High-Speed 5kV Gate Driver for Whatsminer P21 Power Supply Repair
Couldn't load pickup availability
Have questions about this product? Our team is here to help — just reach out on WhatsApp.
💬 Contact Us on WhatsAppAbout the Product
10kV Surge Protection & 60ns Delay for Crypto Miner PSUs
Maximize uptime for your Whatsminer P21 with the SI8261BBD isolator, a 5kV RMS-rated gate driver engineered for crypto miner power supply repairs. Leveraging Silicon Labs’ proprietary isolation technology, this drop-in upgrade outperforms optocouplers with 10kV surge protection, 60ns propagation delay, and ±125°C thermal stability—critical for high-load ASIC mining environments.
Pin-Compatible Optocoupler Replacement for Reliable IGBT/MOSFET Control in Mining Rigs
Key crypto mining repair advantages:
- Pin-compatible with optocouplers—no PCB redesign needed.
- 4A peak output drives MOSFETs/IGBTs in mining PSUs and industrial inverters.
- Rail-to-rail voltage and 0.6–4A adjustable current for precision control.
- AEC-Q100 certified for reliability in extreme conditions.
Ideal for renewable energy inverters, UPS systems, and mining rig power modules, the SI8261BBD ensures longer lifespan and tighter performance matching than optocoupled alternatives.
SI8261BBD Isolator Specifications:
| Feature | Specification |
|---|---|
| Model | SI8261BBD |
| Isolation Voltage | 5000 VRMS (UL1577) |
| Surge Protection | 10 kV (IEC60747) |
| Output Current | 0.6A–4.0A (Peak) |
| Propagation Delay | 60 ns (Current-Independent) |
| Operating Temperature | –40°C to +125°C |
| Certification | AEC-Q100 Qualified |
Shipping & Customs
🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.
🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.
Blog posts
-
Bitcoin Mining Profitability in 2026: What the Post-Halving Landscape Means for Your Hardware
Two years after the halving, Bitcoin mining margins are tighter than ever. Here's what the... -
5 Most Common Antminer S19 Problems and How to Fix Them
The Antminer S19 series is built for endurance, but after 2+ years of continuous operation,... -
How to Ship Crypto Mining Parts from China to Venezuela (2026 Guide)
This guide explains how to ship crypto mining parts from China to Venezuela, including DHL/UPS...
-
How to Use the Antminer & Whatsminer Power Supply Test Rack (User Manual & Safety Guide)
Learn how to safely use the Antminer & Whatsminer power supply test rack. This user...
Contact us. We'll get back to you within 24 hours
-
BM1368 Series ASIC Chip Tester for Antminer S21XP S21 T21 Hashboard$314.90 USD$314.90 USD $365.00 USDSale Sold out -
K8 Universal ASIC Hashboard & PSU Tester for Repair Labs$205.90 USD$205.90 USD $279.00 USDSale Sold out -
SGM8304 Voltage Amplifier Module for Antminer S21 S19XP T21 S21XP Hash Board$2.50 USD$2.50 USD $2.90 USDSale Sold out -
Whatsminer CB6 V10 Control Board Replacement for M20s M21s M30s M30 M31s+ M32 M50$36.00 USD$36.00 USD $44.90 USDSale Sold out
You might like
-
BM1368 Series ASIC Chip Tester for Antminer S21XP S21 T21 Hashboard$314.90 USD$314.90 USD $365.00 USDSale Sold out
-
K8 Universal ASIC Hashboard & PSU Tester for Repair Labs$205.90 USD$205.90 USD $279.00 USDSale Sold out
-
SGM8304 Voltage Amplifier Module for Antminer S21 S19XP T21 S21XP Hash Board$2.50 USD$2.50 USD $2.90 USDSale Sold out
-
Whatsminer CB6 V10 Control Board Replacement for M20s M21s M30s M30 M31s+ M32 M50$36.00 USD$36.00 USD $44.90 USDSale Sold out
- Choosing a selection results in a full page refresh.
- Opens in a new window.