Nokia AC-16U USB Power Adapter Teardown

ID: 66035

Description: Let's look inside this hockey puck shaped wall...

Steps:

1. This power supply is slim and unusually attractive.
2. That white case is 39mm in diameter, and 15mm thick: pretty small for this power level (see heat sinks later).
3. The case is glued together, so you're not going to get into this one cleanly. I sawed a slot in the side, and used a screwdriver to crack the glue.

4. The wall power pins lead to two spring contacts.
5. There's a plastic barrier between the low voltage and high voltage sides (you can't get much better than that!).

6. Pretty tight layout.
7. Note the heat sink with thermal interface material, and the landing pads for the line voltage springs.