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Tiny black rectangular Pico PSU module, 20-pin ATX connector and DC jack, fanless solid-capacitor design

myVolts

myVolts 20-Pin 12V 90W Pico PSU Power Supply

SKU CH-14KS-HFZKP

Compact 20-pin DC-ATX module delivers 90 W from a 12 V adapter, fanless for silent operation in Mini-ITX and 1U cases

  • TypeAT
  • Ultra-compact 53 mm × 39 mm × 10 mm footprint fits Mini-ITX and 1U cases
  • Fanless solid-capacitor design delivers silent 100 % mute operation
  • ≥ 90 % efficiency converts 12 V input to clean +3.3 V, +5 V, +12 V rails
  • Industrial-grade components rated for −40 °C to +70 °C storage extremes
  • 90 W peak output supports embedded PCs, POS terminals and thin clients

Compact Pico PSU for Mini-ITX Builds

This 20-pin DC-ATX module delivers up to 90W of power from a single 12V input. It targets builders assembling fanless Mini-ITX systems, embedded PCs or 1U appliances where space and silence are primary constraints. An external 12V adapter rated for at least 7.5A is required for operation.

Fanless Thermal Design and Efficiency

Without a fan the unit runs at 100% mute, relying on industrial solid capacitors rated for high heat endurance. Efficiency meets or exceeds 90% across the load range, with ripple held to 50mV on the 3.3V and 5V rails and 120mV on the 12V and -12V rails. Operating temperature spans 15 to 35°C at 45-75% humidity.

Bundled Cable Simplifies Integration

The package includes the DC-ATX module with its output cable, removing the need to source a separate loom. A 2.5mm inner, 5.5mm outer diameter DC jack accepts the mandatory external adapter. No software, mounting brackets or additional connectors are supplied.

Points forts

  • Ultra-compact 53 mm × 39 mm × 10 mm footprint fits Mini-ITX and 1U cases
  • Fanless solid-capacitor design delivers silent 100 % mute operation
  • ≥ 90 % efficiency converts 12 V input to clean +3.3 V, +5 V, +12 V rails
  • Industrial-grade components rated for −40 °C to +70 °C storage extremes
  • 90 W peak output supports embedded PCs, POS terminals and thin clients

Caractéristiques

TypeAT

Questions sur cet article

How do I connect the 20-pin ATX cable and the 2.5 mm DC jack, and which step is often missed?

Plug the 20-pin cable into the motherboard ATX socket and the 5.5 mm outer-diameter jack into a 12 V adapter; the step often missed is confirming the adapter can supply at least 7.5 A at 11.4-12.6 V.

What component will need replacement first in a dusty, fanless ITX build?

The industrial solid capacitors are rated for harsh environments, but the external 12 V adapter has its own electrolytic caps and will likely need replacement before the pico module.

At what sustained load does the 12 V rail hit its 120 mV ripple limit first?

The 12 V rail allows up to 4.0 A maximum load; at that current ripple reaches 120 mV, which is the tightest spec on the module.

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