Document
KSS Series Subminiature Side Actuated Tact Switch for SMT
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Features/Benefits
• • • • • • • Low profile of 1.6 mm Excellent tactile feel High shear force Range of actuation forces Large flat top Redundant contacts option Date code marking
Typical Applications
• • • • Cellular phone PDA, pagers Industrial electronics Health diagnostic electronics
Specification
FUNCTION: momentary action CONTACT ARRANGEMENT: N.O. TERMINALS: Gullwing & 3-Way type for SMT
Electrical
MAXIMUM POWER: MAXIMUM VOLTAGE: MAXIMUM CURRENT: MINIMUM CURRENT:
Silver 1 VA 50 VDC 50 mA 1 mA
Gold 0.2 VA 50 VDC 10 mA 1 mA
B Tactile Switches
Mechanical
Type KSS221G KSS231G KSS233W KSS241G Operating force Newtons (grams) 2.0 (200) ± 25% 2.5 (250) ± 20% 2.5 (200) ± 25% 4.0 (400) ± 25% Operating life (operations) 100,000 100,000 100,000 100,000 Travel 0,3 0,3 0,3 0,3
± 0,15 ± 0,10 ± 0,15 ± 0,15
DIELECTRIC STRENGTH: ≥ 250 VDC CONTACT RESISTANCE: ≤ 100 mΩ INSULATION RESISTANCE (100 VDC): ≥ 109 Ω BOUNCE TIME: ≤ 3 ms
Environmental
OPERATING TEMPERATURE: STORAGE TEMPERATURE:
Silver -40˚C to 85˚C -55˚C to 85˚C
Gold -40˚C to 125˚C -55˚C to 125˚C
Packaging
Switches are delivered in tape and reels of 3,000 pieces. The reel diameter is is 330mm (12.992 x .15). The tape dimensions conform to the EIA-RS-481 and CE-2863 norms.
NOTE: Part numbers listed above do not represent all possible configurations. For information on specific and custom switches, consult Customer Service Center.
Process
SOLDERING: Infrared reflow in accordance with CECC00802
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.
K
S
S Termination G Gull wing, SPST W 3 way, 4 redundant contacts Contact Material 1 Silver 3 Gold
Actuator 2 Standard, 1,1 (0.043) 3 Large, 1,8 (0.070) Operating Force 2 2.0 N (200 grams) 3 2.5 N (250 grams) 4 4.0 N (400 grams)
Dimensions are shown: mm (inch) Dimensions subject to change
B-17
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KSS Series Subminiature Side Actuated Tact Switch for SMT
SERIES
KSS
4,4 (.173)
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3,5 (.138) 3,1 (.122) 0,5 (.020) == == 0,3 (.012)
Tactile Switches
Each piece is date code printed: 1st Line: 9308 = Year 1999, 308 day in the year 2nd Line: 221XA = Manufacturing code.
1,1 (.043)
7 (.276)
B
2,5 (.098)
KSS221G
5,5±0,1 (.217±.004)
1,65 (.065)
ACTUATOR
2
STANDARD, 1,1 (0.043) 4,4 (.173)
3
LARGE, 1,8 (0.070) 4,4 (.173)
1,1 (.043)
OPERATING FORCE
OPTION CODE OPERATING FORCE 2.0 N (200 grams) 2.5 N (250 grams) 4.0 N (400 grams)
2 3 4
CONTACT MATERIAL
OPTION CODE MATERIAL SILVER GOLD
1 3
TERMINATION
G
GULLWING 3,1 (.122) == == PAD LAYOUT 7,6 (.299) 7,0 (.276) 5,5±0,1 (.217±.004) 3 3,7 (.147)
W
3 WAY, 4 REDUNDANT CONTACTS 3,1 (.122) == == PAD LAYOUT 7,6 (.299) Common
1,8 (.071)
7 (.276)
3,7 (.147)
2
1 1,7 (.067)
0,8 (.031)
1,0 (.039)
0,55 (.022)
0,8 (.031)
1,4 (.055)
First Angle Projection
Dimensions are shown: mm (inch) Dimensions subject to change
B-18
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2,0 (.079)
0,25 (.010)
KSS Series Subminiature Side Actuated Tact Switch for SMT
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TAPE & REEL
1,75±0,1 (.069±.004) 8±0,1 (.315±.004)
12+0,3/-0,1 (.472+.012/-.004)
5,5±0,1 (.217±.004)
4±0,2 (.157±.008) 7,4+0,2/-0,0 .291+.008/-.000)
2,1 (.083)
ø1,5+0,1/-0,0 (.059+.004/-.000)
2±0,05 (.079±.002)
4±0,1 (.157±.004)
B Tactile Switches
3,8+0,2/-0,0 (.150+.008/-.000)
5±0,1 (.197±.004)
ø1,5+0,25/-0,0 (.059+.010/-.000)
Direction of feed
First Angle Projection
Dimensions are shown: mm (inch) Dimensions subject to change
B-19
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