hi there,
i want a mosfet switching circuit as a replacement for 2/2 relay,
i want to change the driving voltage from 12v to 5v,i was told that its much reliable to use mosfet switching circuit instead of using a relay.
please any one provide one for me..

 

 

thank u....

 

sir i am not able to design this
mosfet switching time and this two by two relay,its so confusing please help...

 

hi there some one asked me to use a CD4016 instead.
is it reliable???plse provide me with some details

 

A relay can handle large voltages and high currents, plus AC voltages. FET's can switch large DC voltages and currents. A CD4016 (use a 4066 instead) can handle very small voltages and almost no current.

What voltage and current are you interested in switching? May we assume than a "teo by two" relay is a double pole type? Is that double pole & double throw?

 

actually i have drawn some ckt using cd4016b ic,
for creating a DPDT type relay equivalent,i had to use two cd4016b's,
(each IC comprise of four switches)
one switch for relay control,and four switches for i/p o/p switching.
(current?? well may be in milli ampere range,thats all.
voltage maximum of 12v{this 12v is an input to be switched}
and supply voltage is 5v.

 

in the datasheet they are telling about some out put filters and all,
is it necessory?? i was not able to inderstand those things well,so please
give me some help

 

oh sorry one more thing to ask..
whats the advantage of 4066 over 4016b???
please do replay