8M Series Sub-Miniature Pushbutton Switches SPECIFICATIONS CONTACT RATING: Dependent upon contact material See Page 120. MECHANICAL LIFE: 50,000 make-and-break cycles. CONTACT RESISTANCE: 20 m max. initial 2-4VDC 100mA for both silver and gold plated contacts. INSULATION RESISTANCE: 1,000 M min. DIELECTRIC STRENGTH: 1,000 Vrms min. sea level. OPERATING TEMPERATURE: -40C to 85C. MATERIALS CASE: Diallyl phthalate(DAP) (UL94V-0). PLUNGER: Nylon 6/6,black. BUSHING: Brass or zinc,nickel plated. HOUSING: Stainless Steel. SWITCH SUPPORT: Brass.tin plated. CONTACT/TERMINAL: Copper alloy or Brass, with silver or gold plated.(See Page 120) HOW TO ORDER MODEL NO. ACTUATOR BUSHING TERMINATIONS TERMINAL SEAL RoHS ADDITIONAL CAPS CAP PLATING SOLDERING HARDWARE COLOR Caps Model NO. Seal (See Page 119) 8MS8 ON-(ON) E EPOXY (std) C1 8MS9 OFF-(ON) C3 N NO EPOXY Actuator C4 Bushing P1 3.94 high B05 5.59 high,flat (thd) Terminal plating RoHS soldering B06 5.59 high,flat (non-thd) Q Silver S RoHS & Lead Free B07 5.59 high (non-thd) R Gold B08 7.87 high (non-thd) C Gold over silver B09 7.87 high (thd) B10 3.30 high Additional hardware 0 Without 5 Additional hardware Terminations CAP Color M1 Solder Lug ITEM NO COLOR M2 PC thru-hole 1 White M5 Wire wrap 2 Black (Std) M6 Right angle, PC thru-hole 3 Red M6N Right angle, snap-in, PC thru-hole 4 Orange M7 Vertical right angle, PC thru-hole 5 Yellow M7N Vertical rightangle, snap-in, 6 Green 7 Blue PC thru-hole 8 Brown VS2 8.94 high, V-bracket 9 Gray V2N 8.94 high, snap-in V-bracket Besides standard color, other colors need to check stocks available. We have invented the rules 113 www.dailywell.com.tw 8M Pushbutton Switches8M Series Sub-Miniature Pushbutton Switches SWITCH FUNCTION SWITCH FUNCTION CONNECTED TERMINALS / SCHEMATIC UL/CSA NO. MODEL MODEL POS.1 POS.2 POS.1 POS.2 POLES NO. NO. 2 (COMM) 2 (COMM) 2-1 2-3 Q2818 8MS8 ON (ON) SP NC 1 3 NO NC 1 3 NO 1-3 Q2819 8MS9 OFF (ON) OPEN 13 ( )=MOMENTARY POLE OPTIONS EPOXY .240 .220 6.10 SEAL 5.59 FLAT .155 .020 3.94 0.51 3 .200 .320 3 8.13 5.08 1 .100 1 .137 2.54 .340 4.39 .060 8.64 .200 10-48 UNS 1.52 .110 5.08 2.79 SPST Part No. Shown : 8MS9P1B05M1QES .240 EPOXY 6.10 .220 SEAL 5.59 .155 FLAT .020 .100 3.94 0.51 2.54 3 3 .320 2 8.13 2 1 .100 1 .137 2.54 4.39 .340 .060 .200 8.64 1.52 10-48 UNS 5.08 .160 4.06 SPDT Part No. Shown : 8MS8P1B05M1QES BUSHING OPTIONS B05 THD B06 NON-THD B07 NON-THD B08 NON-THD B10 B09 THD .225 .200 .245 5.72 .240 5.08 .240 6.22 .240 6.10 6.10 6.10 .173 .173 .185 4.39 .280 4.39 4.75 7.11 .120 .215 .155 3.05 5.46 .155 .155 3.94 .100 .100 .100 3.94 3.94 2.54 2.54 2.54 .220 .100 1/4-40 UNS .220 .220 5.59 .130 10-48 UNS 2.54 5.59 5.59 3.30 .310 7.87 .020 .020 .020 .020 .020 0.51 0.51 0.51 0.51 0.51 We have invented the rules 114 www.dailywell.com.tw 8M Pushbutton Switches