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Technical content
Refer to P.306 for soldering conditions. Refer to P.308 for standard knobs. Drawing No. Product Line Product No. Operating force Travel ʢmmʣ Rating ʢmax.ʣ Operating life ʢ5mA 5V DCʣ Initial contact resistance Stem color 1.27NSKHCBEA010 SKHCBGA010 SKHCBJA010 SKHCBFA010 SKHCBHA010 SKHCBKA010 2.55N 0.74N 1.27N 2.55N 0.74N Operating direction Vertical 0.3 50mA 12V DC Rating ʢmin.ʣ 10BA 1V DC 500,000 cycles 1,000,000 cycles 1,000,000 cycles 500,000 cycles 500,000 cycles 100mЊ max. Black Minimum order unitʢpcs.ʣ 1,000 Variety Joint stem Flat stem Dark gray Blue Black Dark gray Blue 12mm Square(Snap-in Type) SKHC Series Joint stem & flat stem with stable operation feeling. TACT SwitchTM
Unit:mm PC board mounting hole dimensions ʢViewed from switch mounting faceʣ Flat stem type No. Style Photo Circuit Diagram Please use 1.6mm thick PC boards. Note 12mm Square(Snap-in Type) SKHC Series TACT SwitchTM /K31/K32/K2E/K35 /K32/K2D/KBF /K31/K2E/K37 /K68/K6F/K6C/K65/K73 /K34/K2D/KBF /K31/K2E/K32 /K68/K6F/K6C/K65/K73 /K35 /K39 /K31/K32/K2E/K35 /K32/K2D/KBF /K31/K2E/K37 /K68/K6F/K6C/K65/K73 /K34/K2D/KBF /K31/K2E/K32 /K68/K6F/K6C/K65/K73 /K35 /K39 /KBF /K37/K2E/K39 /K34/K2E/K33 /K33/K2E/K35 /KBF /K31/K2E/K36 /K31/K32/K2E/K35 /K33/K2E/K35/K31/K2E/K35 /K47/K75/K69/K64/K65 /K62/K6F/K73/K73/K65/K73 /K53/K74/K65/K6D /K31 /K39 /K35 /KBF/K31/K2E/K38 /K64/K69/K6D/K70/K6C/K65 /K6F/K6E /K65/K69/K74/K68/K65/K72 /K6F/K66 /K74/K68/K65 /K74/K77/K6F /K6C/K6F/K63/K61/K74/K69/K6F/K6E/K73 1 2 3 4 H/K31/K32 H12 3.8 4.3 3 3.53.5 1.5 ø1.6 12.5 Guide bosses Stem 3.8 1.2 1 2 3 4
˘10 7.1 482 See the relevant pages for respective product descriptions 11.5 11.9 11.3 265 ˘12 4.3 267 268 270 Snap–in Surface mountType Dimensions ʢmmʣ W D H Operation force coverage Page
Features
ʕ 4–direction switchʴpush switch SKQB ʕ Water–proof Horizontal type SKQE Long Life SKHC ʕ SKHK Long Stem SKRW ˘3.7 0.35 Low–profile SKRM ˘4.5 0.4 SKQR ˘4.8 0.5 SKRB 0.55 SKRR 7.5 0.6 Low–profile and long life SKQG ˘5.2 0.8 Low–profile Operating direction Vertical Horizontal Series Operating temperature range Ŗ30ˆ to ʴ85ˆ 100MЊ min. 100V DC 250V AC for 1min. SKRW/RM/RB/RR : 100V AC for 1min. Ŗ30ʶ2ˆ for 96h 80ʶ2ˆ for 96h 60ʶ2ˆ, 90 to 95%RH for 96h 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 2hours respectively Shall be in accordance with individual specifications. Electrical performanceDurabilityEnvironmental performance Insulation resistance Voltage proof Vibration Lifetime Cold Dry heat Damp heat ʕ ˔ ʕ 271 272 273 274 276275 ˔ 5"$54XJUDI 4PMEFSJOH$POEJUJPOT ʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜ ˔ 5"$54XJUDI $BVUJPOT ʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜ ˔ 1SPEVDU-JOFPG,OPCGPS5"$54XJUDI ʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜʜ WɿWidth. The most outer dimension excluding terminal portion. D ɿDepth. The most outer dimension excluding terminal portion. H ɿHeight. The minimum dimension if there are variances. The automotive operating temperature range to be individually discussed upon request. Note
- Heating method: Double heating method with infrared heater. 2. Temperature measurement: Thermocouple 0.1 to 0.2 П CAʢKʣor CCʢTʣat solder jointsʢcopper foil surface ʣ. A heat resistive tape should be used to fix thermocouple. 3. Temperature profile Soldering Conditions Condition for Reflow Available for Surface Mount Type. 180 150 260˚C max. 3 sec max. 230˚C Time TFDNBYʢQSFIFBUJOHʣ 3 to 4min. Time inside soldering equipment Temperature (˚C ) 40s max. Manual SolderingʢExcept SKRT Seriesʣ Flux built-up Mounting surface should not be exposed to fluk Ambient temperature of the soldered surface of PC board. 100ˆ max. 60s max. 260ˆ max. 5s max. Preheating temperature Preheating time Soldering temperature Duration of immersion Items Condition Condition 2times max.Number of soldering Soldering temperature 350ˆmax. 3s max.Duration of soldering 60W max.Capacity of soldering iron Items 1. Consult with us for availability of TACT Switch TM washing. 2. Prevent flux penetration from the top side of the TACT Switch TM. 3. Switch terminals and a PC board should not be coated with flux prior to soldering. 4. The second soldering should be done after the switch is stable with normal temperature. 5. Use the flux with a specific gravity of min 0.81. ʢEC-19S-8 by TAMURA Corporation, or equivalents.ʣ Notes Conditions for Auto-dip Available for Snap-in Type and Radial Type ʢExcept SKHJ, SKHL, SKQJ, SKQK, SKEG seriesʣ 1. The above temperature shall be measured on the mounting surface of a PC board. There are cases where the PC board's temperature greatly differs from that of the switch, depending on the material, size, thickness of PC boards and others. The above-stated conditions shall also apply to switch surface temperatures. 2. Soldering conditions differ depending on reflow soldering machines. Prior verification of soldering condition is highly recommended. Note
ʢUnit:mmʣ H6.5 Cap Key top1.8 3.8 H10 4-R1 H6.5 Thickness 0.1 Thickness 0.1 Applicable to joint stem type Applicable to joint stem type H12 H10 31.5 Key top Cap 5.5 2.8 Thickness 0.1 SKEG Cap Keytop Clear Red Blue Ivory Black Yellow SK2AA00540 SK2AA00310 SK2AA00320 SK2AA00330 SK2AA00340 SK2AA00350 SK2AA00360 SK2AA00370 SK2AA00380 SK2AA00390 SK2AA00400 H7.4 Key top Cap 4-RO.5 Applicable to joint stem type Keytop+Cap SK2AA00010~00090(Keytop) Stem of key switch Unit:mm 1. The knob will be delivered together with the switch but packed separately. 2. The label is not included. 3. For SK2AA00010 to SK2AA00090 types, please check the mounting direction. Notes TACT SwitchTM