Pushbutton Switches MSPM Series, Magnetic Reed, Long Life, Hermetically Sealed Features Glass to metal hermetic seal Magnetic return (no springs) Wire lug or pc terminals Actuator cap and mounting hardware supplied Typical performance characteristics Environmental specification Contact configuration . SPST Operating temperature -10C to +80C Contact timing Break-Before-Make Storage temperature -10C to +80C Contact rating max. 1.0 VA (100 mA max. 100 VDC max.) Solder heat resistance . hand solder Electrical life . at 0.1 VA: 5,000,000 cycles Seal glass to metal . at 5 VA: 50,000 cycles Contact resistance, initial . max.100 mOhms Insulation resistance . 1,000 MOhms min. Material specifications Dielectric strength 1,000 Volts rms sea level Contacts . copper alloy gold plated over nickel Actuation force . tactilekeyboard fee 1.15 to 2 N (115 to 200 gf.) Actuator polyamide breakaway reducing immediately Terminals copper alloy gold plated over nickel . to 0.43 N (43gf.)follow-throug Case . steel Actuator travel .078 (2.0 mm) RoHS Directive 2002/95/EC . compliant Product key Typical product key MSPM 101 B 1 04 Type MSPM Pushbutton, magnetic reed, long life, hermetically sealed Version 101 standard version Action B normally closed, black button C normally open, red cap Button blank with button soft detent S without button audible detent Terminals blank pin 2 pin 0 pin 1 wire lug Material 04 RoHS compliant D18 Catalogue No. 8-1773450-9 Dimensions are in mm and inches and Specifications subject to change. www.tycoelectronics.com Issued 09/2008 are shown for reference purposes only. Pushbutton SwitchesPushbutton Switches Pushbutton Switches MSPM Series, Magnetic Reed, Long Life, Hermetically Sealed (Continued) Button blank with button, soft detent, normally open or normally closed .160 .315 MSPM101B0 (4.06) (8.00) .250 - .253 .250 - .253 .080 (6.35 - 6.43) .280 (2.03) (6.35 - 6.43) .520 .560 DIA. (7.11) DIA. (13.21) (14.20) .280 .317 (7.11) (8.05) .227 - .230 .392 (5.77 - 5.84) .244 (9.95) (6.20) DIA030 .110 (0.76) .030 - .035 .093 (2.80) .020 Dp. x .040 W (0.76 - 0.89) (2.36) (0.51 Dp. x 1.00 W) 1/4-40 UNS-2A DIA. KEYWAY MSPM101B1 S without button, audible detent, normally open or normally closed .320 MSPM101CS1 .250 - .253 (8.12) .250 - .253 (6.35 - 6.43) (6.35 - 6.43) .280 .510 .560 DIA. (7.11) DIA. (12.95) (14.20) .200 .160 (4.06) (5.08) .227 - .230 (5.77 - 5.84) .244 (6.20) .160 (4.06) .060 .030 - .035 .093 (1.52) 1/4-40 UNS-2A .020 Dp. x .040 W (0.76 - 0.89) (2.36) DIA. TYP. (0.51 Dp. x 1.00 W) DIA. KEYWAY MSPM101BS Product key Action Button Terminals Material Part Number MSPM101B004 normally closed with button pin RoHS 1825538-1 MSPM101B104 black button soft detent wire lug compliant 1825538-2 MSPM101C104 normally open 1825538-3 MSPM101C204 red button pin 1825538-4 MSPM101BS04 normally closed without button 1825539-1 MSPM101BS104 black button audible detent wire lug 1825539-2 MSPM101CS04 normally open pin 1825539-3 MSPM101CS104 red button wire lug 1825539-4 D19 Catalogue No. 8-1773450-9 Dimensions are in mm and inches and Specifications subject to change. www.tycoelectronics.com Issued 09/2008 are shown for reference purposes only.