DIGITAST
详情
DIGITAST SERIES Microminiature SPDT, Key Switches
Features/Benefits
·High reliability/long life
·Designed for low level switching
·Ready to implement on PCB
·Latching function available
·Several button options
·RoHS compliant and compatible
Typical Applications
•Medical
•Instrumentation
•Industrial electronics
•Audio electronics
Construction
1.FUNCTION: momentary or push-push
2.CONTACT ARRANGEMENT: 1 change over contact SPDT, NO
3.MODE OF SWITCHING: Non-shorting
4.DISTANCE BETWEEN BUTTON CENTERS:
5.HORIZONTAL MINIMUM: 12,7 (0.500) or 17,78 (0.700)
6.VERTICAL MINIMUM: 17,78 (0.700)
7.TERMINALS: PC pins
8.MOUNTING: Soldering, centering pins
Mechanical
1.TOTAL TRAVEL: ÷ 3 (.0018)
2.SWITCHING TRAVEL: 1,5 (0.0591)
3.LATCHING TRAVEL: 1,8 (0.0709)
4.OPERATING FORCE: 1.5 +/- 0.5 N (150 +/- 50 grams)
Process
1.SOLDERABILITY: Wave soldering, compatible with lead free soldering profile. Hand soldering, 350ìC for 3s.
Electrical
1.SWITCHING POWER MAX.: 240 mW DC
2.SWITCHING VOLTAGE MAX.: 24 V DC
3.SWITCHING CURRENT MAX.: 10 mA DC
4.CARRYING CURRENT AT 20ⅹC (push-push version): 100 mA
5.DIELECTRIC STRENGTH (50 Hz, 1 min): 500 V
6.OPERATING LIFE with or without max. switching power Momentary: ∶ 5 x 106 operations Push-push: ∶ 5 x 105 operations
7.CONTACT RESISTANCE: Initial ÷ 50 mヘ After 5 x 106 operations: ÷ 100 mヘ
8.INSULATION RESISTANCE: ∶ 1010 ヘ
9.CAPACITANCE at f= 10 kHz: ÷ 0.8pF
10.BOUNCE TIME: ÷ 2.5 ms
11.Operating speed 400 mm/s (15.75/s)
Environmental
1.OPERATING TEMPERATURE: -25∑C to 85∑C.
数字系列微型单刀双掷,按键开关
功能/优点
·高可靠性/长寿命
·设计用于低电平切换
·准备在PCB上实施
·可用闭锁功能
·多个按钮选项
·RoHS兼容
典型应用
•医疗
•仪器
工业电子
•音频电子设备
施工
1.功能:瞬间或推压
2.触点排列:1个转换触点SPDT,无
3.切换方式:非短路
4.按钮中心间距:
5.最小水平:12,7(0.500)或17,78(0.700)
6.垂直最小值:17,78(0.700)
7.端子:PC插脚
8.安装:焊接、定心销
机械
1.总行程:÷3(.0018)
2.切换行程:1,5(0.0591)
3.闭锁行程:1,8(0.0709)
4.操作力:1.5+/-0.5 N(150+/-50克)
过程
1.可焊性:波峰焊,与无铅焊接型材兼容。手工焊接,350摄氏度,持续3秒。
电气
1.开关功率最大:240mw dc
2.开关电压最大值:24 V dc
3.开关电流最大:10 mA dc
4.20_C时的载流(推压式):100 mA
5.介电强度(50赫兹,1分钟):500伏
6.带或不带最大开关电源时的工作寿命:瞬间:5×106次操作推送:5×105次操作
7.接触电阻:5 x 106操作后初始÷50 m_:100 m_
8.绝缘电阻:
9.F=10 kHz时的电容:÷0.8pF
10.弹跳时间:÷2.5 ms
11.运行速度400 mm/s(15.75/s)
环境的
1.工作温度:-25∑C至85∑C。
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