KSK-1A53-... MEDER electronic DIMENSIONS CHARACTERISTICS All dimensions in mm [inches] • • • • • Switch Model → Contact Form → All Data at 20 oC Contact Ratings Conditions Glass length of 20.5 mm and diameter of 2.8 mm Normally open 1 Form A contact Carry current up to 2.5 A High breakdown voltage up to 2 kVDC Good RF switch CONTACT DATA KSK-1A53-... Form A Min. Typ. Max. Units Switching Power* Any DC combination of V and A not to exceed their individual max.’s 10 W Switching Voltage DC or peak AC 220 V Switching Current DC or peak AC 1.0 A Carry Current DC or peak AC 2.5 A Static Contact Resistance at 0.5 V & 10 mA 150 mΩ Dynamic Contact Resistance measured w/ 0.5 V & 50 mA, 1.5 ms after closure 200 mΩ Insulation Resistance cross Contacts 100 Volts applied Breakdown Voltage > 60 sec. Release Time incl. Bounce 100 % overdrive Release Time measured with/ no coil suppression Capacitance at 10 kHz across contact 1010 Ω 2 kVDC 0.75 ms 0.1 ms 0.2 Test Coil ** pF KMS-01 Standard AT range 20 50 AT g Environmental Data Shock Resistance 1/2 sine wave for 11 ms 50 Vibration Resistance 10 - 2000 Hz 20 Ambient Temperature max. 10 C / minute allowance -20 Stock Temperature max. 10 oC / minute allowance -55 Soldering Temperature 5 sec. dwell o g 130 o C 130 o C 260 o C Note: The indicated electric data are maximum values can vary downwards when using a more sensitive switch. * For life expectancy see our test section on Page 116. ** See our test section on Page 116. ORDER INFORMATION Part Number Example - KSK - 1A53 - 2025 2025 is the AT range (Any AT can be ordered between 20 & 50 in a minimum range of 5 AT) Series Contact Form Switch Model KSK - 1A 53 - Options www.meder.com 98 At Range (between) xxxx 20 -50