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Rectangular ATX power supply unit with metal casing and cooling fan grille

KHACHIMO

KHACHIMO 33V 3A 100W ATX power supply

SKU CH-PBJF-4MRA3

ATX power supply delivering 100 W at 33 V with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC DC-to-DC topology for clean, quiet power

  • TypeATX
  • Modern Standby support enables faster wake-from-sleep
  • 80 PLUS Gold certification delivers higher efficiency and cooler running
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 100 W output at 33 V and 3 A powers compatible ECM100US systems

33 V 100 W ATX power supply

This ATX unit delivers a fixed 33 V output at up to 3 A for 100 W total power. It is built as a direct replacement for ECM100US33 and ECM100US industrial modules. System integrators who need a compact, regulated 33 V source for embedded boards or legacy back-planes will find it fits the same footprint.

80 PLUS Gold certified efficiency

The supply meets 80 PLUS Gold requirements, so it wastes less energy and generates less heat across the load range. Resonant LLC topology with DC-to-DC conversion keeps voltage regulation tight and reduces coil whine. Modern Standby support allows the system to enter and exit low-power sleep states quickly.

Zero RPM fan mode at low load

At light and medium loads the cooling fan stops completely, giving near-silent operation in noise-sensitive environments. The fan spins up only when thermal demand rises, so sustained output remains stable without constant airflow noise. This behaviour suits always-on kiosks, digital-signage players and quiet office workstations.

Points forts

  • Modern Standby support enables faster wake-from-sleep
  • 80 PLUS Gold certification delivers higher efficiency and cooler running
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 100 W output at 33 V and 3 A powers compatible ECM100US systems

Caractéristiques

TypeATX

Questions sur cet article

What does the 100 W rating mean when the unit is installed in a system?

It can deliver up to 100 W of continuous power to the components, drawing less from the wall thanks to 80 PLUS Gold efficiency.

How does the ATX form factor limit where this supply can be used?

The ATX size fits standard ATX cases and motherboards; it will not mount in SFX or TFX chassis.

What physical space and mounting points does this power supply need?

It requires a standard ATX cut-out with four rear mounting screws and enough depth for a typical ATX-length unit.

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