Surface-mount tactile switch has a 3.9 mm by 2.9 mm outline and a dust- and moisture-protective structure. The contact rating is 50 mA at 12 VDC with 100 mΩ maximum contact resistance. The AU2 variant uses a 1.0 mm J-bent terminal configuration with a guide boss and no ground cover. Rated operating conditions include 0.13 mm ±0.1 mm travel, 10 ms maximum bounce, and a -20 °C to 70 °C operating temperature range.
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| Switch Type | Tactile switch |
| Mounting Type | Surface mount |
| Outline Dimensions | 3.9 x 2.9mm |
| Contact Rating | 50 mA at 12 VDC |
| Travel | 0.13 ±0.1mm |
| Contact Resistance | 100 maxmΩ |
| Operating Temperature | -20 to 70°C |
| Operating Humidity | 45 to 85% RH |
| Bounce | 10 maxms |
| Operating Force | 160gf |
| Operating Life | 100,000cycles |
| Terminal Height | 1.0mm |
| Terminal Type | J-bent |
| Guide Boss | With |
| Ground Cover | Without |
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