LSB65R070GF MOSFET Loveminer A1 Power Supply Repair
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LSB65R070GF MOSFET for Loveminer A1 Power Supply Repair
The LSB65R070GF is a 650V N-channel super-junction power MOSFET used as the primary-side switching transistor in the Loveminer / Aixin A1 power supply. The super-junction process delivers extremely low on-resistance and gate charge — the headline electrical traits that translate into high switching efficiency and high power density on rebuilt PSUs.
Common failure mode: the MOSFET dies hard during a primary-side fault, taking out adjacent gate-drive components. Always inspect gate drive and current-sense circuitry before reinstalling a fresh LSB65R070GF.
Typical Use in A1 PSU Repair
- Primary-side MOSFET replacement — restoring the half-bridge or PFC switch on A1 PSU.
- Hard-failure recovery — short-circuit failures that take out the original transistor.
- Production refurbishment — bulk MOSFET stock for A1 rebuild lines.
- Spare inventory — operators stocking common-failure components.
LSB65R070GF Specifications
| Parameter | Specification |
|---|---|
| Part Number | LSB65R070GF |
| Transistor Type | N-channel super-junction power MOSFET |
| Max Drain-Source Voltage | 650V |
| Max Power Dissipation | 290W |
| RDS(on) | Ultra-low (super-junction process) |
| Gate Charge | Low |
| Application | Hard-switching primary-side / PFC |
| Compatible PSU | Loveminer / Aixin A1 |
| Condition | Brand New |
FAQ — LSB65R070GF MOSFET
Q: Why does the original always fail in pairs or trios?
A: Half-bridge and PFC layouts have multiple MOSFETs sharing the rail. A single failure usually drags neighbours into avalanche. Replace as a set and inspect the gate driver.
Q: Cross-substitute possible?
A: Any 650V super-junction MOSFET with matching RDS(on), gate charge and TO-220 / TO-247 footprint can work in principle, but for OEM-spec A1 repair stick with LSB65R070GF.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com.
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- L4981AD PFC Controller – Loveminer A1 PSU
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- NCP1397AG LLC Controller – Lovecore / Aisen
- WMJ80N65F2 650V MOSFET – ASIC PSU Repair
A1 PSU rebuild shops stocking LSB65R070GF? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.
Buying in bulk for a mining farm or repair shop?
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