2.54mm socket housing not available?

[cupoftea]

Hi,
I have an SMPS PFC controller which is on a daughter board which is mounted vertically to the main SMPS board. It needs to be easily disconnected/reconnected. I need to bring signals (sense and FET drive etc) on to the daughter board from the main board.

As such I will solder one of these 2row connectors to the daughter board….
MC34769:
https://uk.farnell.com/multicomp/mc34769/header-2-row-r-angle-10way/dp/1593451?ost=mc34769

The thing is, I cant find the socket housing which mates with this?...the bit that will be soldered on to the main board. I can only find this…
https://www.farnell.com/datasheets/3148611.pdf
..which has no solder pins….or this..
https://uk.farnell.com/fischer-elektronik/mk201-100z/header-socket-2-54mm-100way/dp/1322596
..which is too shallow.

Could you advise on a suitable housing, or suggest another way……(I am slightly against any solution which means having to buy an expensive crimp tool)

 

[KlausST]

Hi,

try Harwin M20 series. Like M20-78xxxx or M20-79xxx

Klaus

 

[cupoftea]

Thanks very much

M20-7830546 | HARWIN Straight Through Hole Mount PCB Socket, 10-Contact, 2-Row, 2.54mm Pitch, Solder Termination | RS

uk.rs-online.com

...these look great.

Do you think they will be OK passing sensitive current sense signals etc?....I worry that they may be a bit loose when connected?......and they will have to pass the 60khz gate drive signal (only the signal, the gate driver IC is on the main board)

 

[dick_freebird]

0.100" ought to have many, many options?

 

[Easy peasy]

if you are trying to connectorise connections - such as shunt voltages, that are less than 100mV, take care to ensure some current flows thru the connector - i.e. at least 1mA - this will serve to stop the touching faces oxidising over time and essentially going open circuit for low voltages and very little thru current.

p.s. connectorising any important low volt signal should only be done if absolutely necessary because of the above - and the tendency of things to blow up if a current signal goes to zero - when in reality the current is very high.

where it has to happen - gold contacts on male & female and well crimped wires are preferred ...