Jun 7, 2006 #1 S suromenggolo Advanced Member level 4 Joined Feb 25, 2005 Messages 107 Helped 9 Reputation 18 Reaction score 0 Trophy points 1,296 Activity points 2,240 How to connect solenoide 12V, 300mA on power supply 24V..? Can I series with resistor..?
Jun 7, 2006 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 You can use 40Ω (39Ω) 5W resistor or 12V 5W zener diode .. Regards, IanP
Jun 7, 2006 #3 S suromenggolo Advanced Member level 4 Joined Feb 25, 2005 Messages 107 Helped 9 Reputation 18 Reaction score 0 Trophy points 1,296 Activity points 2,240 thax IanP... why about heat from resistor..? very hot may be destroy the resistor
Jun 7, 2006 #4 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 If 100% of time under power, this resistor will convert 3.6W (12V @ 300mA) to heat. Therefore for continous operation you should consider resistor rated for 5W, or more .. Regrads, IanP
If 100% of time under power, this resistor will convert 3.6W (12V @ 300mA) to heat. Therefore for continous operation you should consider resistor rated for 5W, or more .. Regrads, IanP