8YCB 系列(IP67防尘防水等级)超小型(SMT)按钮开关
密封超小型按钮开关PC板SMT脚安装按钮开关 特色:防水密封能對抗因焊接清理過程中的汙染物,快按把手可接受標準蓋子,可用膠帶和捲軸包裝
應用範圍:電腦及其週邊,電信及網通設備,儀器.測試和控制設備.
功率:取决于触点材料【3 A @ 120VAC 和 28VDC 1 A@ 250VAC/Z大0.4 VA @ Z高20V AC/DC】
机械寿命:50000次操作以上
接触电阻:在2-4VDC,100mA时,镀银和镀金触点的Z大电阻为20毫欧
绝缘电阻:Z小1000兆欧
绝缘强度:触点间Z低1000VAC至少一分钟,在触点与
外壳之间Z低1000VAC至少一分钟
工作温度范围:-30度到85度
材质
外壳/铜头:玻璃填充尼龙4/6,符合(UL94V-0)
按钮棒:热缩性聚脂符合(UL94V-0),所有的按钮棒内部都加装O型密封圈
支撑支架:铜镀镍
弹片/端子:铜合金镀金或镀银.
焊锡条件
手工焊:用烙铁30瓦,控制在350℃,约5秒,同时应用焊料.
波峰焊:推荐焊接温度:260±5℃
锡侵泡时间:Z多5秒.(PCB板的厚度为1.6mm)
焊接:可使用于波峰炉与红外线回流焊接制程.
密封超小型按钮开关PC板SMT脚安装按钮开关 SPECIFICATIONS
CONTACT RATING: Dependent upon contact material.
MECHANICAL LIFE: 50,000 make-and-break cycles.
CONTACT RESISTANCE: 20 m??max. initial @ 2-4VDC
100mA for both silver and gold plated contacts.
INSULATION RESISTANCE: 1,000 M??min.
DIELECTRIC STRENGTH: 1,000 Vrms min.@sea level.
OPERATING TEMPERATURE: -30°C to 85°C.
MATERIALS
CASE & BUSHING: Glass filled nylon 4/6,flame retardant,
heat srabilized (UL94v-0).
PLUNGER: Thermoplastic Polyester (UL 94V-0),
with intenal O-ring seal.
SWITCH SUPPORT: Brass,tin plated.
CONTACT / TERMINALS: Silver or gold plated copper alloy.
SOLDERING PROCESSES
MANUAL SOLDERING: Use soldering iron of 30 watts, controlled at 350°C
approximay 5 seconds while applying solder.
WAVE SOLDERING: Recommended Soldering Temperature: 260 ± 5°C
Duration of Solder Immersion: Max 5 sec. (PCB is 1.6mm in thickness)
SOLDERING: Vapor phase & IR-reflow soldering can be applied.
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