KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT
Features/Benefits • Saves PCB space • Range of 4 actuation forces • G terminations • N.O. • Detect type available • Rubber actuator • IP 50 sealed • RoHS compliant and compatible Typical Applications • Automotive • Cellular phones & accessories • Industrial electronics • Computers & network equipment
B Tactile Switches
Specification
FUNCTION: momentary action CONTACT ARRANGEMENT: Normally Open TERMINALS: Gullwing type for SMT
Electrical
MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT DC: MINIMUM CURRENT DC: Travel
Silver 1 VA 32 V dc 20 m Vdc 50 mA 1 mA
Gold 0.2 VA 32 V dc 20 m Vdc 10 mA 1 mA
Mechanical
Type
Silver versions KSR212G LFS KSR222G LFS KSR232G LFS KSR252G LFS Gold versions KSR214G LFS KSR224G LFS KSR234G LFS KSR254G LFS
Operating force(Fa) Operating life Newtons (grams) (operations)
1.5 < Fa < 2.2 1.9 < Fa < 2.6 2.25 < Fa < 3.75 3.37 < Fa < 5.6 1.5 < Fa < 2.2 1.9 < Fa < 2.6 2.25 < Fa < 3.75 3.37 < Fa < 5.6 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000
0,25 ± 0,15 0,3 ± 0,15 0,35 ± 0,15 0,5 ± 0,15 0,25 ± 0,15 0,3 ± 0,15 0,35 ± 0,15 0,5 ± 0,15
CONTACT RESISTANCE: ≤ 100 m_Ω INSULATION RESISTANCE (100 V): 1 G_ Ω BOUNCE TIME: 1 ms max
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
Process
SOLDERING: Compatible with lead free reflow soldering process.
NOTE: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center.
OVERLOAD: 20 Newtons
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.
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. However, please note that all the combinations of these options are not feasible. For any part number different from those listed above, please consult your local representative.
K
S
R
Actuator 2 Soft actuator Operating Force 1 1.8 N (180 grams) 2 2.0 N (200 grams) 3 3.0 N (300 grams) 5 4.5 N (450 grams) Contact Material 2 Silver 4 Gold LFS RoHS compliant and compatible. Silver plated. LFG RoHS compliant and compatible. Gold plated.
Termination G Gull wing
Dimensions shown in: mm (inch) Specifications and dimensions subject to change
B–19
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KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT
KSR
Ø1,9 (.075) 2,5±0,15 (.098±.006) 1±0,1 (.394±.004) 7,3±0,15 (.287±.006) 6 (.236)
0,1 (.004) 1,75 ± 0,15 (.069 ± .006)
B Tactile Switches
0,15 (.006)
TERMINATION
G
GULLWING
PAD LAYOUT NORMALLY OPEN
0,15 (.006) 7,3±0,15 (.287±.006) 1,4 (.055)
1,0 (.039)
5 (.197) 8 (.315)
TAPE & REEL
0,25±0,02 (.010±.001)
+0,1 2±0,05 Ø1,50 +.004 (.079±.002) (Ø.060+0)
2±0,05 (.079±.002) 4 4 (.157) (.157)
3,8 (.150)
8 (.315)
8 (.315)
A
1,75 (.068) B (.217±002) 5,5 ±0,05
12±0,3 (.472±.012)
6,25 (.246) 7,65 (.301)
B Ø1,5±0,25 (Ø.060±.010)
4º0'max
A
DIRECTION OF FEED
Dimensions shown in: mm (inch) Specifications and dimensions subject to change
B–20
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