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Dome Arrays
B3D Ultra-low Profile Dome Key
Single-key Type Added to Series of B3DA Ultra-low Profile Dome Arrays
- No soldering required. Attach directly to PCB to make an ultra-low profile tactile switch. Construction provides strong resistance to static electricity by having no soldered terminals.
- Matrix adhesive used to create highly dust-proof construction with good ventilation.
- Lower profile, lighter weight, and crisp clicking action.
- OMRON’s unique circular contact action ensures a high level of resistance to foreign matter.
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Updated October 24, 2011
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This web page provides an excerpt from a datasheet.
Refer to Datasheet and other applicable documents for more information.
Refer to Datasheet and other applicable documents for more information.
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| Diameter of contact dome | 4-mm dia. | 5-mm dia. | ||
| Operating force (OF) | 1.67±0.49 N {170±50 gf} | |||
| Releasing force (RF) | 0.2 N {20 gf} min. | |||
| Pretravel (PT) | 0.2±0.1 mm | |||
| Thickness | 0.3±0.1 mm | |||
| Durability | 500,000 operations min. | 1,000,000 operations min. | ||
| Switching capacity | 10 mA, 12 VDC (resistive load) (recommended minimum load: 1 mA, 3 VDC (resistive load)) |
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| Ambient operating temperature | −40 to 80°C (60%RH) (with no icing or condensation) | |||
| Ambient storage humidity | 10% to 90% (at 40°C max.) | |||
| Contact dome | Stainless steel | |||
| Plating | Silver | |||
| Note: | The Dome Keys are sold in units of 500 (20 sheets, with 25 Dome Keys per sheet). Order in multiples of 500 Dome Keys. |
Recommended Contact Form
4-mm Diameter Contact Dome (B3D-4112)
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5-mm Diameter Contact Dome (B3D-5112) |
B3D-4112
B3D-5112
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