SKST 8.5mm Square Middle-stroke (Surface Mount Type) TACT SwitchTM Switch with 0.9mm stroke realizing a refined operating feel Typical Specifications Items Specifications Sharp Feeling Ratingmax. 50mA 16V DC Ratingmin. 10A 1V DC Initial contact resistance 100m max. Travelmm 0.9 Soft Feeling Product Line Snap-in Type Surface Mount Type Product No. Operating force SKSTAAE010 4N SKSTACE010 7N SKSTADE010 10N Operating direction Operating life 5mA 5V DC Stem color Minimum order unitpcs. Japan Export 1,500 1,500 Green 500,000 cycles Top push Yellow 200,000 cycles Blue Packing Specifications Taping Unit:mm Number of packagespcs. Radial Type 1 reel 1 case / Japan 1 case / export packing 1,500 9,000 9,000 Tape width mm Export package measurementsmm 24 395x395x205 Reel size Note For reels of 330mm diameter, please inquire. o380 25.4 Dimensions Unit:mm PC board land dimensions Viewed from switch mounting face Style 8.5 2.1 8.5 2.7 9.8 6.4 Stem 3.95 O4.3 8.6 1 2 Circuit Diagram 1 2 Refer to P.249 for soldering conditions. 230 TACT SwitchTM List of Varieties TACT SwitchTM Sharp Feeling Type Type Surface Mount SKST Series SKRA SKHM SKHU SKTD SKSN -- -- Low-profile Mid-mount SKTG SKSL Photo Features Middle travel Half-mount Sharp Feeling Soft Feeling Water-proof -- -- -- -- Dust-proof -- -- -- -- IP standard -- 67 equivalent -- -- 67 equivalent -- 67 equivalent -- Top push -- -- -- -- Side push -- -- -- -- 8.5 6.2 6.2 6.2 3.9 6.2 5.2 4.5 6.5 6.3 2.9 3 3.5 2.6 3.95 3.5/5.2 3.1 2.5/3.1 1.55 3.5 1.55 2.2 0.15 0.2 -30 to 85 -40 to 85 -- -- Operating direction Snap-in Type W Dimensions mm D H Surface Mount Type 1N max. 1N to 2N Operation force coverage 2N to 3N 4N to 10N 3N to 4N 4N to 5N Radial Type Travelmm 0.9 See the relevant pages for respective product description Ground terminal -- -- Operating temperature range Automotive use -40 to 90 0.25 -40 to 85 -- 0.15 -30 to 85 -- -- Life Cycle Ratingmax. Resistive load Electrical performance 50mA 16V DC 50mA 12V DC Ratingmin. Resistive load 10A 1V DC Insulation resistance 100M min. 100V DC 1min. Voltage proof 250V AC 1min. 250V AC 1min. Vibration 10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z for 2 hours respectively Lifetime Shall be in accordance with individual specifications. Durability Environmental performance 100V AC 1min. Cold -40 1,000h Dry heat 90 1,000h Damp heat 60, 90 to 95%RH 1,000h Page 230 231 100V AC 1min. -40 96h 90 96h 85 96h 90 96h 85 96h 90 96h 237 238 60, 90 to 95%RH 96h 232 233 235 236 WWidth. The most outer dimension excluding terminal portion. D Depth. The most outer dimension excluding terminal portion. H Height. The minimum dimension if there are variances. TACT SwitchTM Soldering Conditions 249 TACT SwitchTM Cautions 250 Notes 1. The automotive operating temperature range to be individually discussed upon request. 2. Indicates applicability to all products in the series, while indicates applicability to some products in the series. 184 TACT SwitchTM / Soldering Conditions TACT SwitchTM Condition for Reflow Available for Surface Mount Type. Temperature profile Temperature (C ) 260C max. 3s max. 230C Sharp Feeling 180 150 Time Soft Feeling 120s max. pre-heating 40s max. 3 to 4min. Time inside soldering equipment Snap-in Type Notes 1. Please confirm the specifications of our product for the detailed condition. 2. Soldering conditions differ depending on reflow soldering machines. Prior verification of soldering condition is highly recommended. Surface Mount Type Conditions for Auto-dip Manual Soldering Available for Snap-in Type and Radial Type. Condition Flux built-up Mounting surface should not be exposed to flux Preheating temperature Ambient temperature of the soldered surface of PC board. 100 max. Items Condition Soldering temperature 350 max. Duration of soldering 3s max. Capacity of soldering iron 60W max. Preheating time 60s max. Soldering temperature 260 max. Duration of immersion 5s max. Items Condition Number of soldering 2times max. Soldering temperature 360 max. Duration of soldering 3s max. Capacity of soldering iron 60W max. SKHH Series Radial Type Items SKHH, SKHW Series Items Condition Flux built-up Mounting surface should not be exposed to flux Preheating temperature Ambient temperature of the soldered surface of PC board. 110 max. Items Condition Preheating time 60s max. Soldering temperature 350 max. Soldering temperature 260 max. Duration of soldering 3s max. Duration of immersion 5s max. Capacity of soldering iron 20W max. Number of soldering 2times max. SKTD, SKTG, SKQJ Series SKHLTop Push Type, SKQJ Series Items Condition Flux built-up Mounting surface should not be exposed to flux Preheating temperature Ambient temperature of the soldered surface of PC board. 100 max. Preheating time 45s max. Soldering temperature 255 max. Duration of immersion 5s max. Number of soldering 2times max. Notes 1. Prevent flux penetration from the top side of the TACT SwitchTM. 2. Switch terminals and a PC board should not be coated with flux prior to soldering. 3. The second soldering should be done after the switch is stable with normal temperature. 4. Use the flux with a specific gravity of min 0.81. EC-19S-8 by TAMURA CORPORATION, or equivalents. 249