K538 - Cooling Power VS Ambient Temperature 5 7 9 11 13 15 17 19 21 23 100 200 300 400 500 600 700 800 900 77K,23°C Regulated Input Power [W] 65K, 23°C 77K,71 °C Total Heat Load [mW] K538 - Regulated Input Power VS Total Heat Load Based on the Proven K508 Design with a 9mm Cold Finger