A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components www.standexmeder.com Series Datasheet - KSK-1A87 Reed Switches KSK-1A87 Reed Switches Features: Miniature, Long Life Applications: Rotary Detection, Level Sensor, Metering & Others Markets: Fluid Flow, Test & Measurement, Automotive & Others KSK-1A87 XX XX Part Description: Contact QTY Contact Form Switch Model Pull-In Excitation 1 A (SPST-NO) 87 10 - 45 (AT-Range) Contact Data Unit Rated Power (max.) Any DC combination of V&A not to exceed their individual max.'s Switching Voltage (max.) DC or peak AC Switching Current (max.) DC or peak AC Carry Current (max.) DC or peak AC Contact Resistance (max.) @ 0.5V & 10mA Breakdown Voltage (min.) DC or peak AC Operating Time (max.) Incl. Bounce; Measured with 40% Overdrive Release Time (max.) Measured with no Coil Excitation Test Coil Insulation Resistance (min.) W 200 V 0.4 A 0.5 A 150 mOhm 230 V 0.6 ms 0.1 ms KMS-01 RH < 45%, 100 V Test Voltage Capacitance (typ.) @ 10kHz across open Switch USA: Europe: Asia: 10 +1.866.782.6339 +49.7731.8399.0 +86.21.37820625 109 Ohm 0.2 pF salesusa@standexmeder.com info@standexmeder.com salesasia@standexmeder.com Modifications in the sense of technical progress are reserved. Version 01 27.01.2015 A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components www.standexmeder.com Series Datasheet - KSK-1A87 Reed Switches Dimensions (mm) KSK-1A87 Reed Switch Overall Length (max.) 35.7 Glass Length (max.) 10.0 Glass Dia (max.) 2.0 Lead Dia. (max.) 0.4 Environmental Data Unit Shock Resistance (max.) 50 g 20 g Operating Temperature -40 to 130 C Storage Temperature Soldering Temperature (max.) -55 to 130 C 260 C 1/2 sine wave duration 11ms Vibration Resistance (max.) 5 sec. max. Handling & Assembly Instructions Life Test Data Use proper lead clamping or heat sinking techniques to prevent mechanical and/or heat stress to the glass seal during bending, cutting, soldering, and welding *Load increase reduces life expectancy of Reed Switches Mechanical shock as the result of dropping the reed switch typically from a distance of greater than 12" may change it's magnetic sensitivity and/or destroy the switch Any form of modification to the switch leads will alter it's magnetic sensitivity Series resistor recommended for >5m cable length Glossary Contact Form Form A NO = Normally Open Contacts SPST = Single Pole Single Throw Form B NC = Normally Closed Contacts SPST = Single Pole Single Throw Form C Changeover SPDT = Single Pole Double Throw USA: Europe: Asia: +1.866.782.6339 +49.7731.8399.0 +86.21.37820625 salesusa@standexmeder.com info@standexmeder.com salesasia@standexmeder.com Modifications in the sense of technical progress are reserved. Version 01 27.01.2015