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1.软启动电阻应用范围:
高压大容量储能电容充电保护热敏电阻是华巨电子专门应用于充储能电容充电保软启动护用热敏电阻,在储能电容初始充电电流进行限制,防止上电开机因储能电容充电电流过大引起设备损坏,防止大浪涌电流对设备的破坏。
高压大容量储能电容大量地应用于工业产品中,由于电容两端电压不能跃变的特性,在系统开机的瞬间,电网能量往电容的灌电流往往达到上百安培的峰值水平,如此高的开机电流严重威胁电路中的整流器件与过流保险丝,同时也会给公共商业电网带来很大的谐波污染。因此几乎所有电路中都设置了“开机浪涌抑制电路”,将开机冲击电流抑制到合理的水平。
传统的“浪涌抑制元件”是常见的固定阻值“水泥电阻”,尤其是在千瓦以上功率的产品中,普遍使用大功率“水泥电阻”作为浪涌抑制元件。从开机浪涌抑制电路设计的初衷来看,固定电阻可以满足设计的基本功能—抑制开机充电电流。
但是固定电阻本身又带来了新的安全隐患—由于与“浪涌抑制元件”并联的继电器存在不能有效闭合的可能性,如机械疲劳,驱动故障,负载故障等情况下,持续的负载电流流过这个阻值较高的固定电阻(常用阻值在10~100欧姆),势必会产生*的温度, 导致“水泥电阻”冒烟,炸裂等不安全现象,情况下PCB会被高温熔毁甚至点燃。这是线性电阻在浪涌抑制应用中存在的缺陷要解决这个问题,华巨电子推出具有浪涌抑制功能的正温度系数PTC陶瓷热敏电阻。其*的正温度系数特性(即阻值随温度增加而加大)能有效抑制器件本身温度的持续增加,其温度变化过程如下:
PTC低温低阻=〉被电流加热=〉温度增加=〉(当超过PTC动作温度后)阻值增大=〉电流减小=〉热功率减小=〉PTC阻值继续增大(直到几十KΩ)=〉发热与散热平衡=〉PTC温度维持在动作点附近(约130~150°C)。
从以上分析可以看出,华巨电子的浪涌抑制PTC软启动电阻“阻值-温度”正相关特性使它具有“自保护”的功能—在继电器不能闭合的故障情况下,负载电流产生的热功率只能将它加热到居里温度点附近,有效地避免了类似“水泥电阻”温度失控的现象,意味着它可以安全地保护自身,同时保护位于其后方的下游电路,而且在继电器故障排除后,它本身还可以自动恢复原有的功能。
因此,华巨的浪涌抑制PTC软启动电阻为提高开关电源的安全性与可靠性提供了帮助,是理想的开机浪涌电流抑制元件,这款产品正逐步广泛地为空调、工业变频器、电源等行业提供安全可靠的开机浪涌保护。该PTC软启动电阻主要用于数字化焊机 、逆变直流手弧焊机、逆变直流氩弧/手弧焊机等焊接设备的过热、过流保护。其主要原理为当焊接设备正常工作时流经PTC热敏电阻的电流不超过其工作电流,PTC处于低阻状态,当出现异常状态时电路电流大大超过额定电流时,PTC陡然发热,阻值骤增至高阻态,从而限制或阻断电流,保护电路不受损坏。电流电流回复正常后,PTC亦自动回复至低阻态,电路恢复正常工作。
开关电源的输入电路大都采用电容滤波型整流电路,在进线电源合闸瞬间,由于电容器上的初始电压为零,电容器充电瞬间会形成很大的浪涌电流,特别是大功率开关电源,采用容量较大的滤波电容器,使浪涌电流达100A以上。在电源接通瞬间如此大的浪涌电流,重者往往会导致输入熔断器烧断或合闸开关的触点烧坏,整流桥过流损坏;轻者也会使空气开关合不上闸。上述现象均会造成开关电源无法正常工作,为此几乎所有的开关电源都设置了防止流涌电流的软启动电路,以保证电源正常而可 靠运行。下图(1)是采用继电器K1和限流电阻WMZ13A系列耐冲击PTC热敏电阻 构成的防浪涌电流电路。电源接通瞬间,输入电压经整流(D1~D4)和限流电阻RT对滤波电容器C1充电,防止接通瞬间的浪涌电流,同时辅助电源Vcc经电阻R2对并接于继电器K1线包的电容器C2充电,当C2上的电压达到继电器K1的动作电压时,K1动作,其触点K1.1闭合而旁路限流电阻R1,电源进入正常运行状态。限流的延迟时间取决于时间常数(R2C2),通常选取为0.3~0.5s。为了提高延迟时间的准确性及防止继电器动作抖动振荡,延迟电路可采 用图2所示电路替代RC延迟电路。
逆变电源原理图
图(1)
其中红色框中的RT为有良好的耐冲击性的MZFLY系列耐冲击PTC热敏电阻
图(2)
1.主要技术参数
型号 | 零功率电阻R25 | 电压 | 热容量 | 不作动能量 | 工作温度 | |||
(Ω) | Vmax | Cth(J/K) | ENon(J) | (℃) | ||||
(Vac) | Vdc | 25℃ | 40℃ | 60℃ | ||||
工频电压260Vac | ||||||||
MZFLY-07D120T70RH-260 | 70 | 260 | 370 | 0.15 | 14 | 12 | 9 | -55~+85 |
MZFLY-07D120T80RH-260 | 80 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T101RH-260 | 100 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T121RH-260 | 120 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T151RH-260 | 150 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T201RH-260 | 200 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T251RH-260 | 250 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T401RH-260 | 400 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T501RH-260 | 500 | 260 | 370 | 0.15 | 14 | 12 | 9 | |
MZFLY-07D120T102RH-260 | 1000 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T70RH-260 | 70 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T80RH-260 | 80 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T101RH-260 | 100 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T121RH-260 | 120 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T151RH-260 | 150 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T201RH-260 | 200 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T251RH-260 | 250 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T401RH-260 | 400 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T501RH-260 | 500 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-08D120T102RH-260 | 1000 | 260 | 370 | 0.3 | 28 | 24 | 18 | |
MZFLY-09D120T70RH-260 | 70 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D120T101RH-260 | 100 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D120T121RH-260 | 120 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D120T151RH-260 | 150 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D120T201RH-260 | 200 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D251T251RH-260 | 250 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D501T501RH-260 | 500 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-09D120T102RH-260 | 1000 | 260 | 370 | 0.4 | 38 | 32 | 24 | |
MZFLY-11D120T10RH-260 | 10 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T15RH-260 | 15 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T20RH-260 | 20 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T30RH-260 | 30 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T50RH-260 | 50 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T70RH-260 | 70 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T101RH-260 | 100 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T151RH-260 | 150 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T201RH-260 | 200 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T251RH-260 | 250 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T401RH-260 | 400 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T501RH-260 | 500 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T801RH-260 | 800 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-11D120T102RH-260 | 1000 | 260 | 370 | 0.6 | 57 | 48 | 36 | |
MZFLY-14D120T15RH-260 | 15 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T18RH-260 | 18 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T25RH-260 | 25 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T30RH-260 | 30 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T45RH-260 | 45 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T50RH-260 | 50 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T70RH-260 | 70 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T101RH-260 | 100 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T151RH-260 | 150 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T201RH-260 | 200 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T251RH-260 | 250 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T401RH-260 | 400 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T501RH-260 | 500 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T801RH-260 | 800 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-14D120T102RH-260 | 1000 | 260 | 370 | 1.0 | 95 | 80 | 60 | |
MZFLY-18D120T6R0H-260 | 6 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T10RH-260 | 10 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T15RH-260 | 15 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T18RH-260 | 18 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T25RH-260 | 25 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T30RH-260 | 30 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T45RH-260 | 45 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T50RH-260 | 50 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T70RH-260 | 70 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T101RH-260 | 100 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T151RH-260 | 150 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T201RH-260 | 200 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T251RH-260 | 250 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T401RH-260 | 400 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T501RH-260 | 500 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T801RH-260 | 800 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-18D120T102RH-260 | 1000 | 260 | 370 | 1.5 | 143 | 120 | 90 | |
MZFLY-20D120T6R0H-260 | 6 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T10RH-260 | 10 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T15RH-260 | 15 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T18RH-260 | 18 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T25RH-260 | 25 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T30RH-260 | 30 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T45RH-260 | 45 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T50RH-260 | 50 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T70RH-260 | 70 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T101RH-260 | 100 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T151RH-260 | 150 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T201RH-260 | 200 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T251RH-260 | 250 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T401RH-260 | 400 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T501RH-260 | 500 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T801RH-260 | 800 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-20D120T102RH-260 | 1000 | 260 | 370 | 1.9 | 180 | 152 | 114 | |
MZFLY-22D120T3R3H-260 | 3.3 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T4R7H-260 | 4.7 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T6R0H-260 | 6 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T10RH-260 | 10 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T15RH-260 | 15 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T18RH-260 | 18 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T25RH-260 | 25 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T30RH-260 | 30 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T45RH-260 | 45 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T50RH-260 | 50 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T70RH-260 | 70 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T101RH-260 | 100 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T151RH-260 | 150 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T201RH-260 | 200 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T251RH-260 | 250 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T401RH-260 | 400 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T501RH-260 | 500 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T801RH-260 | 800 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-22D120T102RH-260 | 1000 | 260 | 370 | 2.4 | 228 | 192 | 144 | |
MZFLY-27D120T3R3H-260 | 3.3 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T4R7H-260 | 4.7 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T6R0H-260 | 6 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T10RH-260 | 10 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T15RH-260 | 15 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T18RH-260 | 18 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T25RH-260 | 25 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T30RH-260 | 30 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T45RH-260 | 45 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T50RH-260 | 50 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T70RH-260 | 70 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T101RH-260 | 100 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T151RH-260 | 150 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T201RH-260 | 200 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T251RH-260 | 250 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T401RH-260 | 400 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T501RH-260 | 500 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T801RH-260 | 800 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
MZFLY-27D120T102RH-260 | 1000 | 260 | 370 | 3.75 | 356 | 300 | 225 | |
工频电压280Vac | ||||||||
MZFLY-14D115T25RH-280 | 25 | 280 | 400 | 1.1 | 100 | 82 | 60 | |
MZFLY-14D115T50RH-280 | 50 | 280 | 400 | 1.1 | 100 | 82 | 60 | |
MZFLY-14D115T80RH-280 | 80 | 280 | 400 | 1.1 | 100 | 82 | 60 | |
MZFLY-18D130T22RH-280 | 22 | 280 | 400 | 1.6 | 168 | 152 | 112 | |
MZFLY-18D130T33RH-280 | 33 | 280 | 400 | 1.6 | 168 | 152 | 112 | |
MZFLY-20D130T33RH-280 | 22 | 280 | 400 | 2.1 | 220 | 200 | 147 | |
MZFLY-20D130T33RH-280 | 33 | 280 | 400 | 2.1 | 220 | 200 | 147 | |
工频电压440Vac | ||||||||
MZFLY-09D120T70RH-440 | 70 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D120T101RH-440 | 100 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D120T121RH-440 | 120 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D120T151RH-440 | 150 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D120T201RH-440 | 200 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D251T251RH-440 | 250 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D501T501RH-440 | 500 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-09D120T102RH-440 | 1000 | 440 | 620 | 0.5 | 47.5 | 40 | 30 | |
MZFLY-11D120T50RH-440 | 50 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T70RH-440 | 70 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T101RH-440 | 100 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T151RH-440 | 150 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T201RH-440 | 200 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T251RH-440 | 250 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T401RH-440 | 400 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T501RH-440 | 500 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T801RH-440 | 800 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-11D120T102RH-440 | 1000 | 440 | 620 | 0.8 | 76 | 64 | 48 | |
MZFLY-14D115T121RH-440 | 120 | 440 | 620 | 1.4 | 126 | 105 | 77 | |
MZFLY-14D115T151RH-440 | 150 | 440 | 620 | 1.4 | 126 | 105 | 77 | |
MZFLY-14D120T50RH-440 | 50 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T70RH-440 | 70 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T101RH-440 | 100 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T151RH-440 | 150 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T201RH-440 | 200 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T251RH-440 | 250 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T401RH-440 | 400 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T501RH-440 | 500 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T801RH-440 | 800 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-14D120T102RH-440 | 1000 | 440 | 620 | 1.4 | 133 | 112 | 84 | |
MZFLY-18D120T50RH-440 | 50 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T70RH-440 | 70 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T101RH-440 | 100 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T151RH-440 | 150 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T201RH-440 | 200 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T251RH-440 | 250 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T401RH-440 | 400 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T501RH-440 | 500 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T801RH-440 | 800 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D120T102RH-440 | 1000 | 440 | 620 | 2.1 | 200 | 168 | 126 | |
MZFLY-18D130T56RH-440 | 56 | 440 | 620 | 2.1 | 220 | 190 | 147 | |
MZFLY-20D120T45RH-440 | 45 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T50RH-440 | 50 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T70RH-440 | 70 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T101RH-440 | 100 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T151RH-440 | 150 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T201RH-440 | 200 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T251RH-440 | 250 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T401RH-440 | 400 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T501RH-440 | 500 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T801RH-440 | 800 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D120T102RH-440 | 1000 | 440 | 620 | 2.6 | 247 | 208 | 156 | |
MZFLY-20D130T56RH-440 | 56 | 440 | 620 | 2.6 | 273 | 234 | 182 | |
MZFLY-22D120T50RH-440 | 50 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T70RH-440 | 70 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T101RH-440 | 100 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T151RH-440 | 150 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T201RH-440 | 200 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T251RH-440 | 250 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T401RH-440 | 400 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T501RH-440 | 500 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T801RH-440 | 800 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-22D120T102RH-440 | 1000 | 440 | 620 | 3.5 | 322 | 280 | 210 | |
MZFLY-27D120T50RH-440 | 50 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T70RH-440 | 70 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T101RH-440 | 100 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T151RH-440 | 150 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T201RH-440 | 200 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T251RH-440 | 250 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T401RH-440 | 400 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T501RH-440 | 500 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T801RH-440 | 800 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
MZFLY-27D120T102RH-440 | 1000 | 440 | 620 | 5.4 | 513 | 432 | 324 | |
工频电压480Vac | ||||||||
MZFLY-18D130T121RH-480 | 120 | 480 | 680 | 2.1 | 220 | 189 | 147 | |
工频电压560Vac | ||||||||
MZFLY-14D110T501RH-560 | 500 | 560 | 800 | 1.4 | 120 | 98 | 70 | |
MZFLY-18D130T101RH-560 | 100 | 560 | 800 | 2.3 | 247 | 207 | 161 | |
工频电压680Vac | ||||||||
MZFLY-14D120T50RH-680 | 50 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T70RH-680 | 70 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T101RH-680 | 100 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T121RH-680 | 120 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T151RH-680 | 150 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T201RH-680 | 200 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T251RH-680 | 250 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T351RH-680 | 350 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T501RH-680 | 500 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T801RH-680 | 800 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-14D120T102RH-680 | 1000 | 680 | 1000 | 2.2 | 210 | 176 | 132 | |
MZFLY-18D120T50RH-680 | 50 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T70RH-680 | 70 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T101RH-680 | 100 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T151RH-680 | 150 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T201RH-680 | 200 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T251RH-680 | 250 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T401RH-680 | 400 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T501RH-680 | 500 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T801RH-680 | 800 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-18D120T102RH-680 | 1000 | 680 | 1000 | 3.5 | 322 | 280 | 210 | |
MZFLY-20D120T50RH-680 | 50 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T70RH-680 | 70 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T101RH-680 | 100 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T151RH-680 | 150 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T201RH-680 | 200 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T251RH-680 | 250 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T401RH-680 | 400 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T501RH-680 | 500 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T801RH-680 | 800 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-20D120T102RH-680 | 1000 | 680 | 1000 | 4.5 | 428 | 360 | 270 | |
MZFLY-22D120T50RH-680 | 50 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T70RH-680 | 70 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T101RH-680 | 100 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T151RH-680 | 150 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T201RH-680 | 200 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T251RH-680 | 250 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T401RH-680 | 400 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T501RH-680 | 500 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T801RH-680 | 800 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-22D120T102RH-680 | 1000 | 680 | 1000 | 5.45 | 517 | 436 | 320 | |
MZFLY-27D120T50RH-680 | 50 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T70RH-680 | 70 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T101RH-680 | 100 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T151RH-680 | 150 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T201RH-680 | 200 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T251RH-680 | 250 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T401RH-680 | 400 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T501RH-680 | 500 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T801RH-680 | 800 | 680 | 1000 | 8.50 | 810 | 680 | 510 | |
MZFLY-27D120T102RH-680 | 1000 | 680 | 1000 | 8.50 | 810 | 680 | 510 |
应用和选型
l 典型应用电路:
Ⅱ选型
根据下列公式来选择充电电容
C : 滤波电容.
Tc: PTC的居里温度Ta :环境温度
V : 电容器两端充电电压,电源电压为交流电,V是交流电的峰值。
K 系数 直流DC时 K = 1, 三相交流电整流时 K = 0.96, 半波整流时 K = 0.76
当单个PTC浪涌抑制热敏电阻不能满足要求时,可以多只并联使用
PTC所带电容量计算工具
EPCOS料号华巨替代对照表
EPCOS(爱普科斯) | Sinochip(华巨)替代料号 |
B59213J0130A020 | MZFLY-18D130T33RH-280 |
B59215J0130A020 | MZFLY-18D130T22RH-280 |
B59217J0130A020 | MZFLY-18D130T56RH-440 |
B59219J0130A020 | MZFLY-18D130T101RH-560 |
B59105J0130A020 | MZFLY-18D130T22RH-280 |
B59107J0130A020 | MZFLY-18D130T56RH-440 |
B59109J0130A020 | MZFLY-18D130T101RH-560 |
B59201J0140B010 | MZFLY-18D135T20RH-380 |
B59202J0135B010 | MZFLY-18D135T30RH-440 |
B59204J0130B010 | MZFLY-18D130T101RH-560 |
B59750B0120A070 | MZFLY-14D115T25RH-280 |
B59751B0120A070 | MZFLY-14D115T50RH-280 |
B59752B0120A070 | MZFLY-14D115T80RH-280 |
B59753B0120A070 | MZFLY-14D115T121RH-440 |
B59754B0120A070 | MZFLY-14D115T151RH-440 |
B59755B0120A070 | MZFLY-14D110T501RH-560 |
B59770B0120A070 | MZFLY-09D120T70RH-260 |
B59771B0120A070 | MZFLY-09D120T121RH-260 |
B59772B0120A070 | MZFLY-09D120T151RH-260 |
B59773B0120A070 | MZFLY-09D120T501RH-440 |
B59412C1130A070 | MZFLY-18D130T121RH-480 |
B59451C1130A070 | MZFLY-18D130T56RH-440 |
B59750C0120A070 | MZFLY-14D115T25RH-280 |
B59751C0120A070 | MZFLY-14D115T50RH-280 |
B59755C0115A070 | MZFLY-14D115T501RH-560 |