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Two green ATX breakout boards with 24-pin connectors USB ports binding posts and fuses

JMT

JMT 2pcs 20/24-pin ATX benchtop adapter board with USB 5V (Green)

SKU CH-FZ3A-X4NB7

Two green ATX breakout boards convert a computer power supply into a benchtop unit with four fused voltage rails and a USB 5 V port

  • TypeAT
  • Four regulated rails (3.3V, 5V, 12V, -12V) from one ATX supply
  • Each rail protected by a replaceable 5A fuse with binding-post ground
  • On-board 24-pin ATX socket accepts 20-pin plugs for broad PSU fit
  • Integrated power switch and LED indicator give instant on/off control
  • Two green boards (128×48×30 mm) ready for bench prototyping

Benchtop ATX adapter with four voltage rails

This green adapter board converts a standard ATX power supply into a benchtop unit offering 3.3V, 5V, 12V and -12V outputs. Each of the four channels includes a replaceable 5A fuse and a dedicated ground binding post. An on-board power switch and indicator LED provide simple control for embedded electronics development.

Fits 20-pin and 24-pin ATX connectors

The module accepts both 20-pin and 24-pin ATX plugs and adds a USB port for 5V convenience power. Four binding-post pairs give direct access to each voltage rail for quick wiring. Plastic spacers on the PCB underside help prevent short circuits when the board sits on a conductive bench surface.

Suits hobbyists building low-voltage test supplies

Makers who need easy access to multiple rails from an ATX unit will find the fused outputs and switch useful. Builders requiring higher current per rail or adjustable voltage regulation should look at a dedicated programmable bench supply instead.

Points forts

  • Four regulated rails (3.3V, 5V, 12V, -12V) from one ATX supply
  • Each rail protected by a replaceable 5A fuse with binding-post ground
  • On-board 24-pin ATX socket accepts 20-pin plugs for broad PSU fit
  • Integrated power switch and LED indicator give instant on/off control
  • Two green boards (128×48×30 mm) ready for bench prototyping

Caractéristiques

TypeAT

Questions sur cet article

How much current can each voltage rail deliver before its 5 A fuse blows?

Every rail — 3.3 V, 5 V, 12 V and -12 V — is protected by its own replaceable 5 A fuse, so sustained draw above 5 A on any single rail will open that fuse.

Does the board add any audible noise or heat of its own during continuous operation?

The adapter has no fan or active components; it simply passes the ATX supply's output through binding posts, so any noise or heat comes from the power supply you connect, not from the board itself.

What ATX power supply connector is required to plug into the 24-pin socket?

The on-board socket accepts a standard 24-pin ATX plug and is also compatible with 20-pin plugs, so any ATX supply with either connector will work.

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