DIGITAST Microminiature SPDT, Key Switches Features/Benefits • High reliability/long life • Designed for low level • • • • Typical Applications • Medical • Instrumentation • Industrial electronics switching Ready to implement on PCB Latching function available Several button options RoHS compliant and compatible • Audio electronics Construction Electrical FUNCTION: momentary or push-push CONTACT ARRANGEMENT: 1 change over contact SPDT, NO MODE OF SWITCHING: Non-shorting DISTANCE BETWEEN BUTTON CENTERS: HORIZONTAL MINIMUM: 12,7 (0.500) or 17,78 (0.700) VERTICAL MINIMUM: 17,78 (0.700) TERMINALS: PC pins MOUNTING: Soldering, centering pins SWITCHING POWER MAX.: 240 mW DC SWITCHING VOLTAGE MAX.: 24 V DC SWITCHING CURRENT MAX.: 10 mA DC CARRYING CURRENT AT 20˚C (push-push version): 100 mA DIELECTRIC STRENGTH (50 Hz, 1 min): 500 V OPERATING LIFE with or without max. switching power Momentary: ≥ 5 x 106 operations Push-push: ≥ 5 x 105 operations CONTACT RESISTANCE: Initial ≤ 50 mΩ After 5 x 106 operations: ≤ 100 mΩ INSULATION RESISTANCE: ≥ 1010 Ω CAPACITANCE at f= 10 kHz: ≤ 0.8pF BOUNCE TIME: ≤ 2.5 ms Operating speed 400 mm/s (15.75/s) Mechanical TOTAL TRAVEL: ≤ 3 (.0018) SWITCHING TRAVEL: 1,5 (0.0591) LATCHING TRAVEL: 1,8 (0.0709) OPERATING FORCE: 1.5 +/- 0.5 N (150 +/- 50 grams) Environmental Process OPERATING TEMPERATURE: -25˚C to 85˚C. SOLDERABILITY: Max. soldering time and temperature: 5 s at 260˚C How To Order Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired option from each category and place it in the appropriate box. Switch A Key Switches E Series SER Narrow button SET Wide button SERU Switch body only (no button) 1st LED Color NONE No LED RD Red YE Yellow GN Green LED NONE No LED L 1 LED 2L 2 LED’s Button Color** None (SERU) BK Black GY Gray Function EE Latching OA Non-latching LED Spacing* NONE Narrow LED Spacing (TYP Europe) 7.62 Wide LED Spacing (TYP No. America) * LED spacing only applies when 1 LED requested Button U Contact Material AU Gold 2nd LED Color NONE No LED RD Red YE Yellow GN Green Body Color NONE White (STD) BRN Brown K Button Style SR Narrow ST Wide LED Holes NONE No LED holes L 1 LED hole 2L 2 LED holes ** Additional button colors available by request Button Color** BK Black GY Gray Latching None For use with momentary switch EE With “EE” staple for latching Dimensions are shown: mm (inch) Specifications and dimensions subject to change E–26 www.ittcannon.com DIGITAST Microminiature SPDT, Key Switches DESIGNATION SER NARROW BUTTON 4,5 (0.0394) (0.2) 5,08 5,08 10,16 (0.4) 14,74 (0.6) SERL Total travel 3 (0.118) Switching travel 1.5 (0.0591) 0,4 [0.0157] ø1 (0.0394) SER (0.177) 8 1 (0.315) 14,3 (0.563) 12,3 (0.484) 0 0 (0.1) (0.2) 221 7,62 (0.3) 2,54 17,5 (0.680) 0,7 (0.0276) SER2L 12,3 (0.484) 1st LED 2nd LED 17,1 (0.673) 221 14,3 (0.563) WIDE BUTTON 0 0 SET SET SETL Total travel 3 (0.118) Switching travel 1.5 (0.0591) SET2L 17,3 (0.681) 1st LED 2nd LED E 17,1 (0.673) Key Switches 17.3 NO BUTTON [0.681] 15.24 12.3 [0.484] 1 2 2 0 7.62 [0.3] 0 [0.6] 5.08 [0.0197] ø1 [0.0394] [0.177] 4.5 2 [0.787] 7.9 0.5 [0.2] [0.311] SERU 0.4 [0.015] 0.7 [0.0276] Dimensions are shown: mm (inch) Specifications and dimensions subject to change E–27 www.ittcannon.com DIGITAST Microminiature SPDT, Key Switches LED NONE L NO LED 2L 1 LEDs 2 LEDs 2,54 [0.2] [0.1] [0.1] 7,62 [0.3] 1 0 5,08 2,54 - [0.3] 7,62 1 0 2 0 [0.1] 2,54 2 + - 1 0 7,62 [0.3] 0 2 0 7.62 mm Spacing (TYP No. America) + 5,08 5,08 2,54 [0.2] [0.2] 10,16 [0.1] 15,24 [0.6] [0.4] + 5,08 5,08 2,54 [0.2] [0.2] [0.1] 10,16 [0.4] 15,24 15,24 [0.6] [0.6] 2,54 ø 1.0±0.1 (0.0394±0.00349) ø 1.1±0.05 (0.0433±0.00197) 1 0 - 7,62 [0.3] 2 0 + [0.1] NARROW SPACING (TYP EUROPE) + 5,08 5,08 [0.2] [0.2] 2,54 [0.1] 10,16 [0.4] 15,24 [0.6] TOP VIEW OF PCB BUTTON COLOR BK BLACK GY GRAY Other button colors available by request [red (RD), green (GN), white (WH), yellow (YE) , blue (BU) , orange (OG)]. LED COLOR OPTION CODE E Key Switches COLOR NONE RD GN YE Models without LED Red Green Yellow CONTACT MATERIAL OPTION CODE MATERIAL AU Gold NOTE: For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. FUNCTION OPTION CODE COLOR OA Momentary EE SCHEMATIC 0 2 0 1 Push-Push 0 2 0 1 Dimensions are shown: mm (inch) Specifications and dimensions subject to change E–28 www.ittcannon.com