摘机切换
概述
过去断开电话连接需要将听筒放在受话器上。此放置动作激活一个机械开关，然后形成电路断开。机械开关会遇到溢出物或碎屑物堵塞触点、影响电路开关的可靠性。MEDER已开发了几种对干簧开关的封装，彻底解决了可靠问题…
Full write-up: Off Hook Switching application
特性
- 动态测试接触电阻
- 干簧开关可密封于受话器外壳中
- 大监测距离
- 磁体安装于听筒而干簧开关位于受话器
- 磁体不受环境影响
- 可靠切换上千万次，极大提高电话使用寿命
- 不受恶劣操作的影响
- 干簧开关不与外部环境接触
- 触点密封
- 表面贴装、穿孔与螺钉安装
| 系列 | 尺寸 | 图片 | ||
|---|---|---|---|---|
| mm | 英寸 | |||
| MK15 | W | 2.5 | 0.098 |  |
| H | 2.5 | 0.098 | ||
| L | 19.50 | 0.768 | ||
| MK16 | W | 2.3 | 0.091 |  |
| H | 2.3 | 0.091 | ||
| L | 15.60 | 0.614 | ||
| MK17 | W | 2.1 | 0.083 |  |
| H | 2.1 | 0.083 | ||
| L | 12.15 | 0.478 | ||
| MK22 | W | 2.7 | 1.060 |  |
| H | 2.3 | 0.091 | ||
| L | 15.60 | 0.614 | ||
| MK23-35 | W | 2.2 | 0.087 |  |
| H | 1.95 | 0.077 | ||
| L | 15.75 | 0.620 | ||
| MK23-66 | W | 2.2 | 0.087 |  |
| H | 2.7 | 1.060 | ||
| L | 19.60 | 0.772 | ||
| MK23-87 | W | 2.0 | 0.079 |  |
| H | 2.1 | 0.083 | ||
| L | 15.60 | 0.614 | ||
MK24 | W | 2.2 | 0.086 |  |
| H | 1.8 | 0.070 | ||
| L | 5.5 | 0.216 | ||
| 系列 | 尺寸 | 图片 | ||
|---|---|---|---|---|
| mm | 英寸 | |||
| MK06-4 | W | 3.3 | 0.130 |  |
| H | 3.3 | 0.130 | ||
| L | 12.06 | 0.475 | ||
| MK06-5 | W | 2.8 | 0.110 |  |
| H | 3.2 | 0.126 | ||
| L | 14.30 | 0.563 | ||
| MK06-6 | W | 3.3 | 0.130 |  |
| H | 4.2 | 0.165 | ||
| L | 17.24 | 0.679 | ||
| MK06-7 | W | 3.3 | 0.130 |  |
| H | 4.2 | 0.165 | ||
| L | 19.78 | 0.779 | ||
| 系列 | 尺寸 | 图片 | ||
|---|---|---|---|---|
| mm | 英寸 | |||
| MK03 | Dia | 5.25 | 0.207 |  |
| L | 25.5 | 1.004 | ||
| MK14 | Dia | 4.0 | 0.157 |  |
| L | 25.5 | 1.004 | ||
| MK18 | Dia | 5.0 | 0.197 |  |
| L | 17.0 | 0.669 | ||
| MK20/1 | Dia | 2.72 | 0.107 |  |
| L | 10.0 | 0.394 | ||
| 系列 | 尺寸 | 图片 | ||
|---|---|---|---|---|
| mm | 英寸 | |||
| MK04 | W | 13.9 | 0.547 |  |
| H | 5.9 | 0.232 | ||
| L | 23.0 | 0.906 | ||
| MK05 | W | 19.6 | 0.772 |  |
| H | 6.1 | 0.240 | ||
| L | 23.2 | 0.913 | ||
| MK12 | W | 14.9 | 0.587 |  |
| H | 6.9 | 0.272 | ||
| L | 32.0 | 1.260 | ||