SK2AA00540 ALPS | Alldatasheet
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Technical content
Refer to P.334 for soldering conditions. Refer to P.336 for standard knobs. D raw ing N o. Product Line Product N o. O perating force Travel （m m ） Rating （m ax. ） O perating life （5m A 5V D C ） Initial contact resistance Stem color 1.2 7N SKH CBEA 01 0 SKH CBG A 01 0 SKH CBJA 01 0 SKH CBFA 01 0 SKH CBH A 01 0 SKH CBKA 01 0 2 .5 5 N 0.74N 1.2 7N 2 .5 5 N 0.74N O perating direction Vertical 0.3 5 0m A 12V DC Rating （m in. ） 10 BA 1V DC 5 00,000 cycles 1,000,000 cycles 1,000,000 cycles 5 00,000 cycles 5 00,000 cycles 100m Ω m ax. Black M inim um order uni t（pcs. ） 1,000 Stem Joint stem Flat stem Dark gray Blue Black Dark gray Blue 1 2m m Square (Snap-in Type) SKH C Series Joint stem & flat stem with stable operation feeling. TA CT Sw itch TM Packing Specifications Bulk 15 ,000 5 ,000 N um ber of package s（pcs. ） 3 09 ×476 ×3 47 Export package m easurem ents （mm ）1 case / Japan 1 case / export packing Please place purchase orders per m inim um order unit N (integer). N ote
U nit:m m PC board m ounting hole dim ensions （V iew ed from sw itch m ounting face ） Flat stem type N o. Style Photo Circuit D iagram Please use 1.6m m thick PC boards. N ote 1 2m m Square (Snap-in Type) SKH C Series TA CT Sw itch TM /K31/K32/K2E/K35 /K32/K2D/KBF/K31/K2E/K37/K20/K68/K6F/K6C/K65/K73 /K34/K2D/KBF/K31/K2E/K32/K20/K68/K6F/K6C/K65/K73 /K35 /K39 /K31/K32/K2E/K35 /K32/K2D/KBF/K31/K2E/K37/K20/K68/K6F/K6C/K65/K73 /K34/K2D/KBF/K31/K2E/K32/K20/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/K20/K62/K6F/K73/K73/K65/K73 /K53/K74/K65/K6D /K31 /K39 /K35 /KBF/K31/K2E/K38/K20/K64/K69/K6D/K70/K6C/K65/K20/K6F/K6E/K20/K65/K69/K74/K68/K65/K72/K20/K6F/K66/K20/K74/K68/K65/K20/K74/K77/K6F/K20/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
W： W idth. The m ost outer dim ension excluding term inal portion. D ：Depth. The m ost outer dim ension excluding term inal portion. H ：H eight. The m inim um dim ension if there are variances. H orizontal 11.5 11.9 11.3 2 9 2 □12 4.3 2 9 4 2 9 5 Snap–in Surface m ount Type D im ension s （m m ） W D H 1 N O peration force coverage Page
Features
W ater–proof H orizontal type SKQ E Long Life SKH C SKRW □3 .7 Low –profile SKRM □4.5 0.4 □4.8 SKRB SKRR 7.5 0.6 Low –profile and long life SKQ G □5 .2 0.8 Low –profile Operating direction V ertical Series O perating tem perature range ｰ3 0 ℃ to ＋8 5 ℃ 100M Ω m in. 100V DC 2 5 0V A C for 1m in. SKSH /RW /RB/RR/SK/SD : 100V A C for 1m in. ｰ3 0 ±2 ℃ for 9 6h 8 0 ±2 ℃ for 9 6h 60 ±2 ℃, 9 0 to 9 5 % RH for 9 6h 10 to 5 5 to 10H z/m in., the am plitude is 1.5 m m for all the frequencies, in the 3 direction of X , Y and Z for 2 hours respectively Shall be in accordance w ith individual specifications. Electrical performance Durability Environmental performance Insulation resistance V oltage proof V ibration Lifetim e Cold D ry heat D am p heat 2 9 8 2 9 9 3 00 3 02 3 01 A utom otive use ● ● — ○ 4.1 3 .9 3 05 SKSD
0.3 Trave l（m m ）
0.15 0.2 SKSH 3 .3 2 .9 0.3 5 2 9 7 0.15 0.2 5 See the relevant pages for respective product descriptions 3 .5 3 .2 0.6 3 04 See the relevant pages for respective product descriptions SKSK Double action 0.5 5 1. The autom otive operating tem perature range to be individually discussed upon request. 2 . ○m arks in "A vailable for autom otive use" indicate that som e of the series products can w ork at the operating tem perature range from -40 ℃ to + 8 5 ℃, ●m arks in "A vailable for autom otive use" indicate that all of the series products can w ork at the operating tem perature range from -40 ℃ to + 8 5 ℃. N otes
- Heating method: Double heating method with infrared heater. 2. Temperature measurement: Thermocouple 0.1 to 0.2 φ CA（K）or C C（T）at solder joint s（copper foil surface ）. A heat resistive tape should be used to fix thermocouple. 3. Temperature profile Soldering C onditions C ondition for Reflow A vailable for Surface M ount Type. 180 150 260˚C max. 3 sec max. 230˚C Time TFDNBYʢQSFIFBUJOHʣ 3 to 4min. Time inside soldering equipment Temperature (˚C ) 40s max. M anual Soldering （Except SKRT Series ） Flux built-up M ounting surface should not be exposed to fluk Am bient tem perature of the soldered surface of PC board. 1 0 0 ℃ m ax. 6 0 s m ax. 2 6 0 ℃ m ax. 5 s m ax. Preheating tem perature Preheating tim e Soldering tem perature D uration of im m ersion Item s C ondition C ondition 2 tim es m ax. N um ber of soldering Soldering tem perature 35 0 ℃m ax. 3s m ax. D uration of soldering 6 0 W m ax. C apacity of soldering iron Item s 1 . Consult w ith us for availability of TACT Sw itch TM w ashing. 2 . Prevent flux penetration from the top side of the TACT Sw itch TM 3. Sw itch term inals and a PC board should not be coated w ith flux prior to soldering. 4 . The second soldering should be done after the sw itch is stable w ith norm al tem perature. 5 . U se the flux w ith a specific gravity of m in 0 .81 . （EC-1 9S-8 by TAM U RA Corporation, or equivalents. ） N otes C onditions for A uto-dip A vailable for Snap-in Type and Radial Type （Except, SKH L, SKQ J, SKQ K, SKEG series ） 1 . The above tem perature shall be m easured of the top of sw itch. There are cases w here the PC board's tem perature greatly differs from that of the sw itch, depending on the m aterial, size, thickness of PC boards and others. The above-stated conditions shall also apply to sw itch surface tem peratures. 2 . Soldering conditions differ depending on reflow soldering m achines. Prior verification of soldering condition is highly recom m ended. N otes TA C T Sw itch TM
（U nit:m m ） H10 4-R1 Thickness 0 .1 A pplicable to joint stem type A pplicable to joint stem type H12 H10 31.5 Key top Cap 5.5 2.8 Thickness 0 .1 SKEG C ap Keytop C lear Red Blue Ivory Black Yellow SK2 A A 0 0 5 40 SK2 A A 0 0 31 0 SK2 A A 0 0 32 0 SK2 A A 0 0 330 SK2 A A 0 0 340 SK2 A A 0 0 35 0 SK2 A A 0 0 360 SK2 A A 0 0 370 SK2 A A 0 0 380 SK2 A A 0 0 390 SK2 A A 0 0 40 0 H7.4 Key top Cap 4-RO.5 A pplicable to joint stem type Keyto p + C ap SK2AA00010~00090(Keytop) Stem of key switch U nit:m m 1 . The knob w ill be delivered together w ith the sw itch but packed separately. 2 . The label is not included. 3. For SK2 AA0 0 0 1 0 to SK2 AA0 0 0 90 types, please check the m ounting direction. N otes TA C T Sw itch TM