Inside a power adapter

[Thrilla]

Ever wondered what's it like inside a power adapter?
I was bored and decided to mount a 12vDC PSU inside a project I'm doing, but in order to do so, I'll have to use some of the parts from a power adapter.

Enjoy!

There is no screws or anything, the adapter was totally sealed, time to use a plyer



Soft plastic really is a pain in the neck, it's strong and flexible


Insulation in the foreground and AC wires in the back


Bottom view


Top view


Parts list by the looks:
120vAC to 12vAC transformer
2 diodes
2 resistors
1 capacitor

[nn_step]

let me guess it is hooked up kind of like this


would be more energy efficient if they made it like this:

[Thrilla]

lol yep

I want to build one of these with it :P

[Thrilla]

Question:
With a half wave rectifier, the output is rated 12vDC 200mA, 1000uF 25v capacitor.
What's the output goin to be if I use:
a full wave rectifier and 4x 1600uF 16v capacitor?

[[XC] MarioMaster]

Your standard run-of-the-mill ac adapter. Pretty boring eh?

[nn_step]

Question:
With a half wave rectifier, the output is rated 12vDC 200mA, 1000uF 25v capacitor.
What's the output goin to be if I use:
a full wave rectifier and 4x 1600uF 16v capacitor?

24v DC 200mA

[Thrilla]

oh ya, I forgot about the rectifier, guess I'll run 2 half wave circuits with it then.

btw what's the circle thingy in the foreground? I never figured out what it does, looks like a transformer but I'm not sure.



EDIT: another thought, I can use a 78S12 regulator to bring the voltage down to 12v and throw a heatsink on it XD

[[XC] MarioMaster]

It's just a choke (correct me if I'm wrong) but their mainly used in power conditioning circuits and power supplies.

[Crazy Chuckster]

you like taking everything apart dont you?