??? WMZ71/72/73系列PTC熱敏電阻器主要用于彩色電視機/彩色顯示器顯像管消磁電路,具有殘余電流低,可靠性高等優點,其典型應用線路如下圖所示.? 尤其值得一提的是,WMZ71焊接包封型產品從根本上消除了WMZ72/73系列裝殼型產品所固有的電極氧化,簧片老化等先天缺陷,此類產品在技術、工藝、材料等方面有極多特殊要求，只有日本村田、Nichicon和美國WECC等少數高端廠商有能力生產，華巨憑借和外資合作的優勢成功推出了此系列高端產品，其產品性能、品質通過了歐洲著名彩電制造商的認可。我司產品成本、交貨具有一流競爭力，有機會成為各彩色電視機、顯示器主力廠商替代進口的首選品牌。
1:應用電路圖
外形結構 
| 3.產品標志說明 |
| ①產品系列：WMZ71：焊接引線PTC消磁熱敏電阻 ?????????????? 72：殼裝型（單片）PTC消磁熱敏電阻 ?????????????? 73：殼裝型（雙片）PTC消磁熱敏電阻 ②標稱阻值：82R-82Ω 4R7-4.7Ω 151-150Ω ③阻值精度：N-±30％ M-±20％ k-±10％ J-±5％ ④最大工作電壓： 270-270VAC 140-140VAC ⑤特別代碼：符合Rohs標準 |
|
型號 |
標稱阻值 |
開關溫度 | 額定電壓 | 最大電壓 | 電流特性 | 線圈電阻 | 尺寸 | |||
| R25(Ω) | Tb(℃) | U(V) | Umax(A) | 起始電流 (A) |
3秒后 (mA) |
180秒后 (mA) |
(Ω) | D(mm) | T(mm) | |
| WMZ71-5R0M140 | 5 | 60±10 | 110 | 140 | ≥35 | ≤300 | ≤60 | 3.5 | 20 | 7 |
| WMZ71-7R0M140 | 7 | 110 | 140 | ≥28 | ≤300 | ≤60 | 3.5 | 20 | 7 | |
| WMZ71-8R0M140 | 8 | 110 | 140 | ≥22 | ≤300 | ≤60 | 5 | 20 | 7 | |
| WMZ71-9R0M140 | 9 | 110 | 140 | ≥21 | ≤300 | ≤60 | 5 | 20 | 7 | |
| WMZ71-12RM140 | 12 | 110 | 140 | ≥17 | ≤300 | ≤60 | 5 | 20 | 7 | |
| WMZ71-7R0M270 | 7 | 220 | 270 | ≥22 | ≤300 | ≤45 | 20 | 20 | 7 | |
| WMZ71-9R0M270 | 9 | 220 | 270 | ≥20 | ≤300 | ≤45 | 20 | 20 | 7 | |
| WMZ71-12RM270 | 12 | 220 | 270 | ≥22 | ≤300 | ≤45 | 15 | 20 | 7 | |
| WMZ71-14RM270 | 14 | 220 | 270 | ≥20 | ≤300 | ≤45 | 15 | 20 | 7 | |
| WMZ71-18RM270 | 18 | 220 | 270 | ≥19 | ≤300 | ≤45 | 12 | 20 | 7 | |
| WMZ71-27RM270 | 27 | 220 | 270 | ≥15 | ≤300 | ≤30 | 10 | 12 | 7 | |
| MZ72系列 |
|
型號 |
標稱阻值 |
開關溫度 | 額定電壓 | 最大電壓 | 電流特性 | 線圈電阻 | 最小線圈 電阻 | ||
| R25(Ω) | Tb(℃) | U(V) | Umax(A) | 起始電流 (A) |
3秒后 (mA) |
180秒后 (mA) |
(Ω) | (Ω) | |
| WMZ72-3ROM140V | 3 | 60±10 | 110 | 140 | ≥22 | ≤300 | ≤60 | 10 | 5 |
| WMZ72-4R5M140V | 4.5 | 110 | 140 | ≥30 | ≤300 | ≤60 | 5 | 4 | |
| WMZ72-5R0M140V | 5 | 110 | 140 | ≥35 | ≤300 | ≤60 | 3.5 | 1 | |
| WMZ72-7R0M140V | 7 | 110 | 140 | ≥24 | ≤300 | ≤60 | 5 | 4 | |
| WMZ72-8ROM140V | 8 | 110 | 140 | ≥22 | ≤300 | ≤60 | 5 | 3.5 | |
| WMZ72-9R0M140V | 9 | 110 | 140 | ≥20 | ≤250 | ≤50 | 5 | 3 | |
| WMZ72-12RM140V | 12 | 110 | 140 | ≥17 | ≤250 | ≤50 | 5 | 3 | |
| WMZ72-14RM140V | 14 | 110 | 140 | ≥15 | ≤250 | ≤50 | 5 | 3 | |
| WMZ72-4R5M270V | 4.5 | 220 | 270 | ≥30 | ≤200 | ≤50 | 15 | 12 | |
| WMZ72-7ROM270V | 7 | 220 | 270 | ≥27 | ≤200 | ≤50 | 15 | 12 | |
| WMZ72-9R0M270V | 9 | 220 | 270 | ≥24 | ≤200 | ≤40 | 15 | 10 | |
| WMZ72-12RM270V | 12 | 220 | 270 | ≥24 | ≤200 | ≤40 | 12 | 8 | |
| WMZ72-14RM270V | 14 | 220 | 270 | ≥24 | ≤200 | ≤40 | 10 | 8 | |
| WMZ72-18RM270V | 18 | 220 | 270 | ≥22 | ≤200 | ≤40 | 8 | 8 | |
| WMZ72-27RM270V | 27 | 220 | 270 | ≥17 | ≤200 | ≤40 | 6 | 5 | |
| WMZ72-14RM270V | 14 | 220 | 270 | ≥24 | ≤300 | ≤60 | 10 | 8 | |
| WMZ72-18RM270V | 18 | 80±10 | 220 | 270 | ≥20 | ≤300 | ≤60 | 10 | 8 |
| MZ73系列 |
|
型號 |
標稱阻值 |
副片電阻 |
開關溫度 | 額定電壓 | 最大電壓 | 電流特性 | 線圈電阻 | ||
| R25(Ω) | R25(Ω) | Tb(℃) | U(V) | Umax(A) | 起始電流 (A) |
3秒后 (mA) |
180秒后 (mA) |
(Ω) | |
| WMZ73-3R0M140V | 3 | 100-1000 | 60±10 | 110 | 140 | ≥28 | ≤300 | ≤15 | 5.5 |
| WMZ73-4R5M140V | 4.5 | 110 | 140 | ≥23 | ≤300 | ≤15 | 8 | ||
| WMZ73-5R0M140V | 5 | 110 | 140 | ≥35 | ≤300 | ≤15 | 3.5 | ||
| WMZ73-7R0M140V | 7 | 110 | 140 | ≥24 | ≤300 | ≤15 | 5 | ||
| WMZ73-8R0M140V | 8 | 110 | 140 | ≥22 | ≤300 | ≤15 | 5 | ||
| WMZ73-9R0M140V | 9 | 110 | 140 | ≥17 | ≤300 | ≤15 | 8 | ||
| WMZ73-12RM140V | 12 | 110 | 140 | ≥14 | ≤300 | ≤15 | 8 | ||
| WMZ73-14RM140V | 14 | 110 | 140 | ≥12 | ≤300 | ≤15 | 10 | ||
| WMZ73-4R5M270V | 4.5 | 220 | 270 | ≥30 | ≤300 | ≤12 | 15 | ||
| WMZ73-7R0M270V | 7 | 220 | 270 | ≥26 | ≤300 | ≤10 | 15 | ||
| WMZ73-9R0M270V | 9 | 220 | 270 | ≥24 | ≤300 | ≤10 | 15 | ||
| WMZ73-12RM270V | 12 | 220 | 270 | ≥24 | ≤300 | ≤10 | 12 | ||
| WMZ73-14RM270V | 14 | 220 | 270 | ≥24 | ≤300 | ≤10 | 10 | ||
| WMZ73-18RM270V | 18 | 220 | 270 | ≥22 | ≤300 | ≤10 | 8 | ||
| WMZ73-27RM270V | 27 | 220 | 270 | ≥14.5 | ≤300 | ≤6 | 12 | ||
| WMZ73-36RM270V | 36 | 220 | 270 | ≥12.5 | ≤300 | ≤6 | 10 | ||