IXFH48N60X3 Class X3 Super-Junction MOSFET - Avalon PSU

IXFH48N60X3 600V Class X3 Super-Junction MOSFET | High-Efficiency TO-247 Replacement for Avalon PSU

The IXFH48N60X3 is a 600V Class X3 super-junction power MOSFET commonly used in Avalon power supplies. Built for high-efficiency switching with rugged thermal performance, this device's advanced design significantly reduces channel resistance (RDS(on)) and gate charge (Qg) — leading to improved overall power efficiency in the primary switching stage.

Headline specs: 600V VDS, 48A nominal current, TO-247 package, lowest Figure of Merit (FOM) for RDS(on)×Qg and RDS(on)×RthJC in its class. The thermal-design margin lets the same MOSFET handle more sustained power than older 600V designs of similar rating — particularly useful for ASIC PSU primary stages running 24/7 mining duty.

When to Replace the IXFH48N60X3

• Avalon PSU no output — primary-side switching MOSFET open or shorted.
• Blown mains fuse — shorted MOSFET took out the input fuse on power-up.
• Repeating over-current protection trip — degraded MOSFET causing controller to retry-and-fault.
• Visible cracking on the TO-247 body — overheat damage from cooling-fan failure or sustained over-temperature.
• Adjacent gate driver also failed — voltage spike from a shorting MOSFET often kills the driver in the same event.

IXFH48N60X3 Specifications

FAQ — IXFH48N60X3 MOSFET

Q: Replace in pairs on the Avalon PSU bridge stage?
A: Yes — when the PSU uses a bridge topology, replace in matched pairs to keep switching characteristics balanced. A single new MOSFET paired with an aged partner mismatches Qg and RDS(on), stressing both devices unevenly.

Q: Always check the gate driver IC when this MOSFET dies?
A: Strongly recommended. Voltage spikes from a shorting MOSFET often take out the driver in the same event. Skipping the driver replacement is a common cause of repeat failure within hours.

Q: TO-247 mounting torque?
A: Use the heat-sink manufacturer's torque spec. Overtightening cracks the package, undertightening lets junction temps climb. Re-paste the isolated mounting pad carefully before each install.

Q: Bulk pricing for Avalon PSU repair benches?
A: Yes — email contact@lys-sz.com for volume pricing and matched gate-driver kits.

Related products

• TPW65R040M 650V MOSFET (Avalon PSU3400-03)
• IPA60R360P7S 650V MOSFET (Avalon 1246 PSU)
• GP47S60X MOSFET TO-247 (Miner PSU Primary)
• OSG65R038 / OSG65R038HZ TO-247 600V 80A MOSFET

Avalon PSU repair benches stocking IXFH48N60X3 in tape-and-reel volume? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.