DS065J010C Silicon Carbide Schottky diode for Avalon Power Supply Unit
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DS065J010C Silicon Carbide Schottky Diode – Avalon Power Supply Repair
The DS065J010C is a silicon carbide (SiC) Schottky diode engineered for the high-frequency, high-voltage secondary rectification stage inside Avalon miner power supplies. Unlike standard silicon Schottky diodes, SiC devices exhibit virtually zero reverse-recovery charge, eliminating the switching losses that plague conventional rectifiers at the 100+ kHz frequencies used in modern PSU topologies. The result is cooler operation, higher conversion efficiency, and longer PSU service life.
Why SiC Matters in a Mining PSU
Mining power supplies run at sustained full load 24/7 — a regime that magnifies every inefficiency. A conventional silicon diode wastes energy on reverse-recovery current each switching cycle, generating heat that accelerates electrolytic-capacitor aging and eventually triggers PSU failure. The DS065J010C's near-zero recovery loss reduces rectifier-stage heating by a significant margin, keeping internal temperatures lower and extending the interval between PSU replacements. When an original SiC diode fails (typically from a transient overvoltage event), replacing it with another SiC part — rather than a standard silicon substitute — preserves the PSU's designed thermal margin.
Replacement Procedure
Identify the failed diode on the PSU's secondary board — it is usually near the output inductor and high-side MOSFET. Desolder with a hot-air station or soldering iron, clean the pads, and install the new DS065J010C observing polarity (cathode band). After replacement, power the PSU on a test load and verify the output voltage is within spec at rated current. Check the diode's case temperature with a thermocouple during the first 10 minutes under full load to confirm it is running within its thermal budget.
DS065J010C SiC Diode Specifications
| Parameter | Value |
|---|---|
| Part Number | DS065J010C |
| Technology | Silicon Carbide (SiC) Schottky |
| Recovery Type | Fast (near-zero reverse recovery) |
| Application | Avalon miner PSU secondary rectification |
| Condition | New |
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Repairing Avalon power supplies at component level? Contact us at contact@lys-sz.com for diode and MOSFET repair kits.
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