609-5292 ZF Cherry

Keymodule Cherry GmbH Cherrystrasse D-91275 Auerbach/Opf. Phone: (0 96 43) 18 - 0 Hotline: (0 96 43) 18 - 2 06 Fax: (0 96 43) 18 - 15 45 Internet: www.cherry.de 800407 The manufacturer accepts no liability for errors or changes in specification. Printed in Germany. 45392530 E, Juni 2002 3, Mn 2002 Cherry GmbH Contents Technical Data Model ML Model MX General Information ________________________________________2 Electrical Characteristics Technical Data ______________________________________________3 Switching voltage 12 V AC/DC 12 V AC/DC max, 2 V DC min Switching current 10 mA AC/DC max, 10 uA DC min. 10 mA AC/DC max, 10uA DC min. Contact resistance 200 mW (typically. 25 m) 200 mW (typically 25 m) Capacity at 1kHz pF pF Keymodule ML ______________________________________________4 Dielectric strength 500 V/50Hz 500 V/50Hz Isolation resistance (new) 100 M 100 M 6 Durability at 5V, 1mA linear 50x10 linear Keymodule MX ______________________________________________6 Durability at 5V, 1mA 6 6 pressure point 20x10 50x10 pressure point Service life at 5V, 6 1mA latched pushbutton 0,5x10 latched pushbutton 6 MCBF 1x10 Mechanical Characteristics Number of contacts Single-gap make contact element Single-gap make contact element Action Pressure point Linear, pressure point, latching Actuator travel 3.0 -0.5 mm 4.0 -0.4 mm Pulse / 4.2 0.3 mm latching Pre-travel 1.5 0.5 mm 2 0.6 mm Pulse / 1.4 0.4 mm latching Initial force 30 cN min 40 cN Actuation force 45 20 cN 60 +20 cN linear and latching; 45 20 cN pressure point Pressure point force 50 20 cN 55 20 cN Bounce time during actuation with 0.4 m/s 5 ms 5 ms Standard lead spacing 19.05 mm (16 mm min) 19.05 mm (16 mm min) Keymodule Fastening Fixing pins in the printed circuit board Snap fastening in frame or Fixing pins in the printed circuit board Cherry key modules are mechanical Lighting (optional) LED in red, green or yellow input elements with a single-gap Decoupling diode optional make contact element. Low assembly Wire jumper optional height, pleasant feel and excellent contact reliability thanks to Gold- Crosspoint contact technology allow Materials flexible designing of low-cost keypads Insulation materials Thermoplastics (min UL 94 HB) Thermoplastics UL listed and keyboards. Depending on the Spring Stainless steel Stainless steel key cap, different lead spacings are Contacts AuAg 10 High-quality gold alloy also possible. Other Characteristics Very short bounce times, very pleasant feel and exceptionally high Protection class IP 40 IP 40 reliability and durability pave the way Operating temperature -10 C to +70 C -10 C to +70 C for a wide range of applications. Storage temperature -40 C to +70 C -40 C to +70 C Humidity (without condensation) 5% to 95% 5% to 95% Soldering capability DIN IEC 68 DIN IEC 68 Soldering temperature/duration 260 C / 5s 260 C / 5s 2 3