T10AH250V Cartridge Ceramic Fuse 5x20mm 10A 250V for Power Supply Unit 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
T10AH250V Ceramic Fuse 5×20mm 10A 250V – Bitmain APW7 / APW9 / APW12 PSU
The T10AH250V is a precision-engineered delayed-blow ceramic cartridge fuse specified for industrial PSU protection in Antminer and Whatsminer power supply circuits. At 10 A / 250 V, this fuse sits at the critical protection point for mid-range ASIC power-delivery systems. The delayed-blow characteristic allows legitimate inrush during startup while providing failsafe protection against sustained overcurrent.
Ceramic vs Glass Fuses for ASIC PSU Protection
Ceramic construction outperforms traditional glass fuses in mining environments. The tin-coated body resists corrosion from temperature cycling and humidity exposure common in mining-container deployments. A single corroded fuse contact can cascade into voltage-regulation failures across the entire hashboard supply rail — ceramic construction eliminates that failure mode. The ceramic body also withstands thermal shock from PSU shutdown / restart cycles that would degrade glass.
T10AH250V Specifications + APW7 / APW9 / APW12 Fit
The 5×20 mm form factor is the standard for Bitmain APW7, APW9 and APW12 power supply platforms. Drop-in replacement maintains OEM specifications without requiring recertification or derating. The "AH" designation specifies delayed-blow time characteristics — approximately 1.5-2 seconds at 300% rated current, preventing nuisance blows while protecting circuit components from damage during sustained fault conditions.
T10AH250V Specifications
| Specification | Detail |
|---|---|
| Part Number | T10AH250V |
| Type | Cartridge ceramic delayed-blow fuse |
| Form Factor | 5 × 20 mm standard |
| Current Rating | 10 A |
| Voltage Rating | 250 V |
| Time Characteristic | Delayed-blow (~1.5-2 s @ 300% rated) |
| Construction | Tin-coated, corrosion-resistant |
| Compatible PSUs | Bitmain APW7 / APW9 / APW12 |
| Condition | Brand New |
FAQ — T10AH250V Fuse
Q: T10AH vs T10AL — which to use?
A: AH = delayed-blow (mining PSU standard). AL = fast-blow (logic-circuit protection). Use AH on APW7/APW9/APW12 — fast-blow nuisance-trips on legitimate inrush.
Q: Blown fuse — replace blindly or diagnose first?
A: Diagnose first. A blown fuse is a symptom, not a cause. Verify the downstream short or overload before installing the fresh fuse — otherwise you blow it again instantly.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com.
Related products
- T5AH250V Ceramic Fuse 5×20mm – 5A 250V
- T15AH250V Ceramic Fuse 6×30mm – 15A 250V
- Ceramic Fuse 20A 500V – APW11 PSU
- SCK-2R55A 2.5Ω 5A NTC Thermistor – PSU Inrush
Bitmain PSU rebuild shops stocking T10AH250V fuses? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
