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  • PN8149WSC-A2 chip location on Antminer APW17 power supply board
  • PN8149WSC-A2 quasi-resonant flyback controller SOP-12 package
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PN8149WSC-A2 Quasi-Resonant Flyback Controller for Antminer APW17 PSU Repair

$0.60 USD
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About the Product

PN8149WSC-A2 High-Performance Flyback Controller for Antminer APW17 Power Supply

The PN8149WSC-A2 is a high-performance power management IC specifically used in the Antminer APW17 power supply. It integrates a quasi-resonant current-mode controller together with an internal high-voltage power MOSFET, providing an efficient and reliable solution for AC-DC switching power supplies.

Integrated Quasi-Resonant Controller with Built-in 800V MOSFET

The PN8149WSC-A2 adopts quasi-resonant operation to reduce switching losses and EMI, improving overall power efficiency. Its built-in 800V high-avalanche-capability MOSFET allows compact PSU design while supporting high-voltage and high-load conditions commonly found in ASIC miner power supplies.

Comprehensive Protection for APW17 PSU Reliability

This controller integrates multiple intelligent protection mechanisms to safeguard the power supply and connected mining hardware during abnormal operating conditions.

  • Over-temperature protection (OTP)
  • Output overvoltage protection
  • Cycle-by-cycle over-current protection (OCP)
  • Output open-circuit and short-circuit protection
  • Secondary rectifier short-circuit protection
  • Overload protection (OLP)

PN8149WSC-A2 Technical Specifications

Parameter Specification
Package SOP-12
Controller Type Quasi-Resonant Flyback (Current Mode)
Integrated MOSFET 800V High-Avalanche Capability
Maximum Switching Frequency 125 kHz
Startup Method Built-in High-Voltage Startup (No External Resistors)
Standby Power Consumption < 50 mW @ 230VAC (No Load)
Creepage Distance Design Optimized HV/LV Pin Layout
Primary Application Antminer APW17 Power Supply Repair

Typical Applications

  • Antminer APW17 PSU repair and refurbishment
  • High-efficiency AC-DC switching power supplies
  • ASIC miner power supply maintenance
Shipping & Customs

United States (DDP):
Orders shipped to the US are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.

International (outside the US):
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.

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