How to Identify Mosfet Type ( N-chanel, P-Chanel )
THERE ARE 4 TYPE OF MOSFET’S ON LAPTOP MOTHERBOARD
1.N-chanel mosfet
2.P-chanel mosfet
3.Dual N-chanel mosfet
4.Dual P-chanel mosfet
We can identify p-chanel or n-chanel mosfet with different marking code.
Easy way to identified look at the ending number of marking code.
For example :
AO4435 look at end of marking code number is odd numbers ( 3 ).
this is P-channel mosfet
For example :
AO 4407 (7) is odd number ,this is P-channel too,
they could be substitute each other even different manufacture and code.
For example :
AON6414A look at last number of marking code it is even (4) numbers it’s mean this is N-channel mosfet and they could replace by other N-channel even different manufacture and code.
For example :
AO4800, AON7404, AON7410, AON7528 ETC
Conclusion : Mosfet which have last Even numbers (0,2,4,6,8) they are all
N-Channels.
