ArticCynda
Advanced Member level 1
Hi everyone,
I'm designing a power supply circuit that can take inputs from USB (max. 500mA) and a DC jack (max. 1A). I'd prefer to protect both with a PTC resettable fuse.
Can I wire 2 PTCs with a trip current of 500mA in parallel to act as a 1A PTC for the DC jack? Is this a good practice? If not, why?
Thanks in advance!
I'm designing a power supply circuit that can take inputs from USB (max. 500mA) and a DC jack (max. 1A). I'd prefer to protect both with a PTC resettable fuse.
Can I wire 2 PTCs with a trip current of 500mA in parallel to act as a 1A PTC for the DC jack? Is this a good practice? If not, why?
Thanks in advance!