SRKLBKEE

DIGITAST Microminiature SPDT, Key Switches Features/Benefits • High reliability/long life • Designed for low level switching Typical Applications • Medical • Instrumentation • Industrial electronics • Audio electronics • • • • Construction Ready to implement on PCB Latching function available Several button options RoHS compliant and compatible 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 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) 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) Environmental OPERATING TEMPERATURE: -25˚C to 85˚C. Process SOLDERABILITY: Wave soldering, compatible with lead free soldering profile Hand soldering, 350˚C for 3 seconds 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. Some of the configurations may not be available or could require some development. Switch A U D Key Switches Series SER Narrow button SET Wide button SERU Switch body only (no button) LED NONE No LED L 1 LED 2L 2 LED’s 1st LED Color*** NONE No LED RD Red YE Yellow GN Green LED Spacing* NONE Narrow LED Spacing (TYP Europe) 7.62 Wide LED Spacing (TYP No. America) Function EE Latching OA Non-latching Contact Material AU Gold 2nd LED Color*** NONE No LED RD Red YE Yellow GN Green Body Color NONE White (STD) BRN Brown Button Color** None (SERU) BK Black GY Gray Button Button Style SR Narrow ST Wide K LED Holes NONE No LED holes L 1 LED hole 2L 2 LED holes * LED spacing only applies when 1 LED requested ** Additional button colors available by request *** Additional LED colors available by request including Bi color configurations Button Color** BK Black GY Gray Latching None For use with momentary switch EE With “EE” staple for latching Dimensions are shown: mm Specifications and dimensions subject to change D–26 www.ck-components.com DIGITAST Microminiature SPDT, Key Switches DESIGNATION SER NARROW BUTTON 17,5 (0.680) 2,54 (0.1) 12,3 (0.484) 221 00 (0.563) 14,3 1 (0.315) 5,08 5,08 10,16 (0.4) 14,74 (0.6) (0.0394) (0.2) (0.2) 0,4 0,7 (0.0276) [0.0157] ø1 (0.0394) SER 12,3 (0.484) SERL SER2L 1st LED 2nd LED 17,1 (0.673) SET WIDE BUTTON 221 00 14,3 (0.563) Total travel 3 (0.118) Switching travel 1.5 (0.0591) SET 17,3 (0.681) SETL SET2L 1st LED 2nd LED 17,1 (0.673) (0.177) 4,5 Total travel 3 (0.118) Switching travel 1.5 (0.0591) 7,62 (0.3) 8 D Key Switches 17.3 [0.681] 15.24 [0.6] SERU NO BUTTON 0 1 5.08 [0.2] [0.311] 7.9 [0.0197] 0.5 [0.787] ø1 [0.0394] 0.4 [0.015] 0.7 [0.0276] 2 [0.177] 4.5 [0.484] [0.3] 7.62 0 2 12.3 2 Dimensions are shown: mm Specifications and dimensions subject to change D–27 www.ck-components.com DIGITAST Microminiature SPDT, Key Switches LED NONE NO LED L 2 7,62 [0.3] 1 LEDs 7.62 mm Spacing (TYP No. America) 2,54 [0.1] 2L 0 2 2 LEDs + - [0.3] 7,62 - 2,54 0 2 [0.1] 7,62 [0.3] 0 0 1 0 1 0 5,08 [0.2] 15,24 [0.6] 2,54 [0.1] + 5,08 5,08 2,54 [0.1] + 5,08 [0.2] 5,08 [0.2] 1 2,54 [0.1] [0.2] [0.2] 10,16 [0.4] 15,24 [0.6] 10,16 [0.4] 15,24 [0.6] NARROW SPACING (TYP EUROPE) 2,54 + [0.1] ø 1.0±0.1 (0.0394±0.00349) 0 2 7,62 [0.3] - 0 + 5,08 [0.2] 5,08 [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 COLOR Models without LED Red Green Yellow D Key Switches NONE RD GN YE CONTACT MATERIAL OPTION CODE 1 ø 1.1±0.05 (0.0433±0.00197) MATERIAL Gold AU FUNCTION OPTION CODE COLOR Momentary 0 0 SCHEMATIC OA 2 1 EE Push-Push 0 0 2 1 Dimensions are shown: mm Specifications and dimensions subject to change D–28 www.ck-components.com