WH60-110、1WH60-135、WH60-160、WH60-250。
主要是WH60-110應(yīng)用較多，電源電壓多為12V、5V，考慮特殊環(huán)境而選偏高壓的。
2、SMD的常用(WH1812)：WH1812-010、WH1812-014、WH1812-110、WH1812-150、WH1812-160、 WH1812-260。
電源電壓12V居多。
3、對新客戶、新產(chǎn)品要根據(jù)實際要求選型。
| 適用于門禁系統(tǒng)的自恢復(fù)保險絲 | ||||
| 產(chǎn)品簡介 |
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| 由于門禁控制器的通訊線路是分布的，容易遭受感應(yīng)雷的侵襲，所以門禁控制器一定要進(jìn)行防雷設(shè)計。我們建議采用多級的防雷設(shè)計，先通過放電管將雷擊產(chǎn)生的大電流和高電壓釋放掉，再通過 | ||||
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WH60-110、1WH60-135、WH60-160、WH60-250。
主要是WH60-110應(yīng)用較多，電源電壓多為12V、5V，考慮特殊環(huán)境而選偏高壓的。
2、SMD的常用(WH1812)：WH1812-010、WH1812-014、WH1812-110、WH1812-150、WH1812-160、 WH1812-260。
電源電壓12V居多。
3、對新客戶、新產(chǎn)品要根據(jù)實際要求選型。
| 符號Sign | 說明 | Definition |
| Ih |
WHPTC在25℃環(huán)境溫度下的最大 工作電流 |
Hold current-maximum current at which the device will not trip at 25℃ |
| It | WHPTC在25℃環(huán)境溫度下啟動保護(hù)的最小電流 | Trip current-minimum current at which the device will always trip at 25℃ |
| Vmax | WHPTC的最大工作電壓 | Maximum voltage at which the device will not trip |
| Vmaxi | WHPTC在阻斷狀態(tài)下所承受的最大電壓 | Maximum voltage device can withstand without damage at it rated current |
| Imax | WHPTC能承受的最大電流 | Maximum fault current device can withstand without damage at rated voltage |
| Rmin | WHPTC工作前的初始最小阻值 | Minimum device resistance at 25℃ prior to tripping |
| Rmax | WHPTC工作前的初始最大阻值 | Maximum device resistance at 25℃ prior to tripping |
| Figure | 圖示 | The Figure of WHPTC |
| Lead | 導(dǎo)線尺寸 | Lead diameter |
| WH Series | -20℃ | 0℃ | 25℃ | 30℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ |
| WH6 | 130% | 115% | 100% | 91% | 83% | 77% | 68% | 61% | 52% |
| WH16 | 132% | 120% | 100% | 96% | 88% | 80% | 71% | 61% | 47% |
| WH30 | 130% | 115% | 100% | 91% | 83% | 77% | 68% | 61% | 52% |
| WH60 | 136% | 119% | 100% | 90% | 81% | 72% | 63% | 54% | 40% |
| WH130 | 136% | 119% | 100% | 92% | 81% | 72% | 63% | 54% | 40% |
| WH250 | 132% | 117% | 100% | 91% | 85% | 77% | 68% | 61% | 48% |
| WH600 | 138% | 119% | 100% | 92% | 83% | 73% | 64% | 55% | 42% |
