MK23 STANDEX | Alldatasheet
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standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner1 MK23 Series Reed Sensors ➢ Features: Miniature, Close Differential, Long Life Expectancy ➢ Applications: Air Conditioning, Gas Metering , Barcode Scanner, Security Panel, Water Flow Gauge & Others ➢ Markets: Automotive, Telecommunication, Security, Test & Measurement, Household, Medical & Others Part Description: MK 23 - 00 - X - 0 Switch Model Magnetic Sensitivity Lead Design 35, 46, 52, 66, 80, 85, 87, 90, 501 B, C, D, E, F, G 1, 2, 4, Helix Customer Options Switch Model Unit Contact Data 35 46 52 66 80 85 87 90 501 Lead Design 1, 2, 4 4 1, 2 1, 2 1, 2 1, 2 1, 2 1, 2 Helix Rated Power (max.) Any DC combination of V&A not to exceed their individual max.’s 20 10 50 10 10 100 10 10 10 W Switching Voltage (max.) DC or peak AC 200 200 350 180 170 1000 200 175 200 V Switching Current (max.) Carry Current (max.) Contact Resistance (max.) @ 0.5V & 50mA 150 150 150 150 200 150 150 150 100 mOhm Breakdown Voltage (min.) Operating Time (max.) Incl. Bounce; Measured with w/ Nominal Voltage Release Time (max.) Insulation Resistance (typ.) Rh<45%, 100V Test Voltage 1012 109 1010 1010 109 1010 109 109 1010 Ohm Capacitance (typ.)
standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner2 MK23 Series Reed Sensors MK23 Reed SensorDimensions (mm) and Lead Specifications Overall Length 13.0 – 29.6 Glass Length 7.0 – 21.0 Glass Dia. 1.8 – 2.75 Lead Dia. 0.3 – 0.6 Lead Design 1 Flat, straight leads for PCB slot mounting Lead Design 2 Flat, bent SMD leads (Gull-wing) Lead Design 4 Round, bent SMD leads for PCB slot mount Helix Layout Top View 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 Glossary Magnetic Sensitivity Sens. A B C D E F G AT 05-10 10-15 15-20 20-25 25-30 30-35 35-40 Environmental Data Unit Shock Resistance (max.) 1/2 sine wave duration 11ms 30 g Vibration Resistance (max.) 20 g Operating Temperature -40 to 130 °C Storage Temperature -55 to 130 °C Soldering Temperature (max.) 5 sec. max. 260 °C Handling & Assembly Instructions ➢ Use proper lead clamping or heat sinking techniques to prevent mechanical and/or heat stress during, soldering, and welding ➢ Mechanical shock as the result of dropping the reed sensor typically from a distance of greater than 12” may change it’s magnetic sensitivity and/or destroy the sensor ➢ Reflow Soldering Conditions according to JEDEC norm J-STD-020D.1
standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner3 MK23 Series Reed Sensors Life Test Data *Load increase reduces life expectancy of Reed Switches Load Typical Number of Operations KSK-1A66 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches Load Typical Number of Operations KSK-1A80 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches Typical Number of Operations KSK-1A85 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches Load Typical Number of Operations KSK-1A35 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches Typical Number of Operations KSK-1A46 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches Typical Number of Operations KSK-1A52 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA
standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner4 MK23 Series Reed Sensors Please note: All technical specifications on this series datasheet refer to the standard product range. Modifications in the sense of technical progress are reserved. For general information only. For more specific information, please consult the product datasheet, available upon request. This series datasheet could contain technical inaccuracies or typographical errors. Changes are periodically made to the information herein. These change will be incorporated in future revisions. For deviating values, most current specifications and products please contact your nearest sales office. Life Test Data *Load increase reduces life expectancy of Reed Switches Typical Number of Operations KSK-1A87 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches KSK-1C90U / KSK-1C90F 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Load (DC) Typical Number of Operations