C&K 的 GT 系列密封超小型钮子开关最常用于手持式电信设备或需要小型仪器的应用。GT 系列属于超小型开关 ─ 具有业内最小的占位面积。GT 开关采用高温材料（UL 94V-0）制造, 并且经密封处理使其耐受焊接与水洗过程的污染物 ─ 确保它们在恶劣环境中正常使用。
特点
Sealed against solder and cleaning process contaminants
Ultraminiature size, smallest footprint available
High temperature materials (UL 94V-0)
典型应用
Hand-held telecommunications
Small instrumentation
产品规格
Contact Rating:
0.4 VA max. @ 20 V AC or DC max.

Electrical Life:
40,000 make-and-break cycles at full load

Contact Resistance:
Below 50 millohms typ. initial @ 2-4 V DC, 100 mA

Insulation Resistance:
10? ohms min.

Dielectric Strength:
500 Vrms min. @ sea level

Operating Temperature:
–30oC to 85oC

Solderability:
Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)