KSK-1A53-... MEDER electronic DIMENSIONS CHARACTERISTICS All dimensions in mm [inches] Switch Model --> Contact For m --> All data at 20 0C 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-... For m A Min. T yp . Max. Units 10 W 220 V A Contact Rating * Any DC combination of V & A not to exceed their individual max.'s Switching Voltage D C or peak A C Switching Current D C or peak A C 1.0 Carry Current D C or peak A C 2.5 A Static Contact Resistance w/ 0.5V & 10mA 150 mΩ Dynamic Contact Resistance Measured w/ 0.5V & 50mA 1.5 ms after closure 200 mΩ Insulation Resistance across Contacts 100 Volts applied Breakdown Voltage Voltage applied for 60 sec. min. Operate Time, Incl. Bounce Measured w/ 100% overdrive 1 0 10 Release Time Measured w/ no coil suppression Capacitance @ 10kHz across contact Ω kV D C 2 0.75 ms 0.1 ms pF 0.2 Test Coil ** KMS-01 Standard AT range 20 50 AT g Environmental Data Shock Resistance 1/2 sine wave duration 11ms 50 Vibration Resistance From 10 - 2000 Hz 20 Ambient Temperature 10 C/ minute max. allowable -20 Storage Temperature 10 C/ minute max. allowable -55 Soldering Temperature 5 sec. dwell 0 0 g 130 0 C 130 0 C 260 0 C Please note: The indicated electrical data are maximum values and can vary downwards when using a more sensitive switch. * For life expectancy see our life test section located on page 151. ** See our test coil section located on page 157. ORDER INFORMATION SERIES CONTACT FORM SWITCH MODEL AT RANGE (between) KSK - 1A 53 - XXXX OPTIONS 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) 20 50 www.meder.com 128 Germany # ++49-(0)7733-94870, USA # 800-870-5385