NCEP039N10M N-Channel MOSFET – 100V 135A for Power Supply & DC/DC Converters
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NCEP039N10M 100V N-Channel Power MOSFET | 135A Super Trench II for ASIC PSU and DC/DC Converters
The NCEP039N10M is a 100V N-Channel power MOSFET built on Super Trench II technology for low conduction loss and fast switching. Sized for high-current applications — ASIC miner PSU output stages, DC/DC converters, synchronous rectification positions where the 100V VDS rating provides comfortable headroom on 48V or 60V bus rails.
Headline specs: VDS 100V, ID 135A continuous, ultra-low RDS(on), gate charge optimized for fast switching, operating temperature up to 175°C, Pb-free / RoHS compliant.
When to Replace the NCEP039N10M
- Output rail dead while bus voltage is present at the drain — MOSFET shorted or open.
- Output drooping under load — degraded MOSFET with elevated RDS(on).
- Visible damage — burnt or cracked package on the heatsink position.
- Multimeter diode-test shows shorted drain-source.
NCEP039N10M Specifications
| Parameter | Specification |
|---|---|
| Model | NCEP039N10M |
| Type | N-Channel MOSFET |
| Technology | Super Trench II |
| VDS (Drain-Source Voltage) | 100V |
| ID (Continuous Drain Current) | 135A |
| RDS(on) | Ultra-low (typically 3.9mΩ at VGS = 10V) |
| Operating Temperature | Up to 175°C |
| Compliance | Pb-free, RoHS |
FAQ — NCEP039N10M MOSFET
Q: 60V vs 100V vs 150V variants — which one do I need?
A: Match the original part exactly from the PCB silk. The NCEP039N10M is the 100V variant. Don't downgrade voltage — going from 100V to 60V on a higher-voltage rail = immediate failure. Upgrading to 150V is generally safe if pinout and RDS(on) match.
Q: How do I confirm failure?
A: Power off and discharge caps. Multimeter in diode-test mode across drain-source: healthy = OL one way, ~0.5V body-diode drop the other. Shorted = ~0V both ways; open = OL both ways.
Q: Rework profile?
A: Standard SMD reflow at 250°C peak. Most NCEP039N10M variants ship in TO-220 / TO-263 (D2PAK) — match the package on your board.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com for tray-quantity pricing.
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PSU repair benches stocking NCEP039N10M MOSFETs in volume? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.
Buying in bulk for a mining farm or repair shop?
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