东莞市彰亿电子有限公司-氧化膜电阻规格书(MOF)
氧化金属皮膜电阻器(MOF)
1. 适用范围
氧化金属皮膜电阻器有较高的负载皮膜,于电气及机械上之性能能极为安定,具有高度信赖性。此基准是供家电、电脑、资讯用之燃性金属氧化皮膜电阻器规格。
2. 形名
依据其种类、额定电力、端子形状、特性、公称电阻值及容许差等分别注明
例:
MOF | W | P(M) | B±350PPM/℃ | Ω | J(±5%) |
种类 | 额定电力 | 端子形状 | 特性 | 公称电阻值 | 容差 |
额定电力 | 最高使用电压 | 最高过负荷电压 |
尺 寸 DIMENSION (mm) |
阻值范围 RESISTANCE RANGE |
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POWER RATING 70℃ |
MAXIMUN WORKING VOLTAGE |
MAXIMUN OVERLOAD VOLTAGE |
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L | I | D | H | d±0.02 | |||||
1/4W | 250V | 500V | 60 | 6.0±0.5 | 2.3±0.3 | 28±2.0 | 0.35 | 0.1E—1M | |
1/2ws | 350V | 600V | 60 | 6.0±0.5 | 2.3±0.3 | 28±2.0 | 0.35 | ||
1/2w | 350V | 600V | 60 | 9.0±0.5 | 3.2±0.5 | 26±2.0 | 0.38 | ||
1WS | 350V | 700V | 60 | 9.0±0.5 | 3.2±0.5 | 26±2.0 | 0.38 | ||
1W 2WS | 350V | 700V | 60 | 11.0±1.0 | 3.5±0.5 | 25±2.0 | 0.40 | ||
2W | 350V | 700V | 63 | 15.0±1.0 | 5.0±0.5 | 24±2.0 | 0.50 | ||
3WS | 500V | 1000V | 63 | 15.0±1.0 | 5.0±0.5 | 24±2.0 | 0.50 | ||
3W | 500V | 1000V | 81 | 17.0±1.0 | 6.0±.5 | 32±2.0 | 0.68 | ||
5WS | 750V | 1000V | 81 | 17.0±1.0 | 6.0±.5 | 32±2.0 | 0.68 | ||
5W | 750V | 1000V | 81 | 24.0±1.0 | 8.0±.5 | 28±2.0 | 0.68 |
项目 ITEM | 规格值 SPECIFICATIONS | 试验方法TEST METHODS(JIS C5202) | |
抵抗值 DC RESISTANCE |
须在规定之R值的容许差内 ALLOWED UNDER R RATE TOLERANCE |
5.1 10±1(mm) 10±1(mm) | |
抵抗温度特性 T、C、R |
±350PPM/℃ |
5.2测定条件25℃/125℃ TEST TERMS25℃/125℃ |
|
短时间过负载 SHORT TIME OVERLOAD |
±(1%+0.05Ω)以内 |
5.5定格电压*2.5倍 测试5秒 PERMANENT RESISTANCE CHANGE AFTER THE APPLICATION OF APOTENTAL OF 2.5 TIME RCWV FOR 5 SECONDS |
|
绝缘抵抗 INSULATION RESISTANCE |
1000MΩ以上 |
5.6将待测物置于V型槽中以500V加压一分后测之 PUT THE TEST ITEM INTO VBLOCK,DC 500V VOLTAGE 1MIN |
|
耐电压 DIELECTRIC WITHSTANDING VOLTAGE |
外涂膜不可损坏,绝缘不可破坏 NO EVIDENCE OF FLASHOVER MECHANICAL DAMAGE,ARCING OR INSULATION BREAKDOWN |
5.7电阻两端道线缘置于V型槽上依特性表之电压规定加压60秒(参考备注) RESISTORS SHALL BE CLAMPER IN VBLOCK AND SHALL BE TEST AT SPECIFIED IN THE ABOVE LIST FOR 60 SECONDS |
|
断续过负载 INTERMITTENCE OVERLOAD VOLTAGE |
±(1%+0.05Ω)以内 |
5.8 定格电压4倍(但不超过负荷电压)开³秒,关25秒,反复10000次 RESISTANCE CHANGE AFTER 1SECOND ON , 25 SECOND OFF 10000 CYCLES AT 4 TIMES RCMV |
|
端子强度 |
拉力强度 TENSILE STRENGTH |
端子外端没有松动 THE END OF LEAD WIRES ARENT LOOSE |
6.1 2.5kg,30SEC |
扭转强度 TORQUE STRENGTH |
6.1 90度弯曲5次360度交互扭转5次 90度 5 TIMES | ||
弯曲强度 BENT STRENGTH |
6.1 垂直方向0.25KG加压900弯曲2次 0.25KG ,OVER 2TIMES |
项目 ITEM | 规格值 SPECIFICATIONS | 试验方法 TEST METHODS(JIS C5202 |
耐振性 RESISTANCE OF VIBRATION |
±(1%+0.05Ω)以内 端子外端没有松动 THE END OF LEAD WIRES ARENT LOOSE |
6.3振动范围10-55HZ全振幅1.5mm向X、 Y、Z. 轴3方向行2小时振动 VIBRATION RANGE 10-55HZ FULL EXTENT1.5mm,VDBRATION TO X、Y、Z AXIS FOR 2 HR |
耐热性 RESISTANCE TO SOLDERING HEAT |
±(1%+0.05Ω)以内 |
6.4 350±10℃ 3±1秒(SEC) |
焊锡附著性 ADHESION OF SOLDERABLLITY |
端子表面积95%以新焊锡所覆盖为原则 95% SURFACE OF TERMINAL COVERED BY SOLDER |
6.5 230±5℃ 5±1秒(SEC) |
耐溶济性 RESISTANCE OF SOLVENT |
外观没有异常,且容易辨识 NO ABNORMALITY IN APPEARANCE,EASY IDENTIFICATION |
6.9 于JIS指定溶济中泡3分钟后取出,并立刻以绒或纱布轻试 SOLVENT APPOINTED BY JIS SOAK FOR 3MINS,THEN WIPE WITH LINT AT ONCE |
温度循环 TEMPERATURE CYCING |
±(1%+0.05Ω) |
7.1 在温度-55℃/+88℃,5次循环 -55℃/+88℃,5CYCLING |
耐湿负荷 LOAD LIFE IN HUMIDITY |
±(5%+0.05Ω) |
7.9 在湿度40℃,相对湿度90-95%于恒湿箱中,加额定直流电压测试1.5小时,停止0.5小时连续1000小时 RESISTANCE CHANGE AFTER 1000HOURS (1.5HRS ON, 0.5HRS OFF) AT RCWV IN A HUMIDITY CHAMBER CONTROLLED AT 40℃,AND 90-95%RELATIVE HUMIDITY |
瓦数 W | 1/4W | 1/2W | 1W2W 3W 5WS | 5W |
耐电压 AC | 250 | 350 | 400 | 600 |
颜色 Color |
第一条 1sh significant |
第二条 2nd significant |
倍数 Multiplier |
误差 Tolerance |
Silver 银 | 0.01 | ±10%(K) | ||
Golden 金 | 0.1 | ±5%( J) | ||
Black 黑 | 0 | 0 | 1 | |
Brown 棕 | 1 | 1 | 10 | ±1%(F) |
Red 红 | 2 | 2 | 100 | ±2%(G) |
Orange 橙 | 3 | 3 | 1K | |
Yellow 黄 | 4 | 4 | 10K | |
Green 绿 | 5 | 5 | 100K | ±0.5%(D) |
Blue 蓝 | 6 | 6 | 1M | ±0.25%(C) |
Purple 紫 | 7 | 7 | 10M | ±0.1%(B) |
Gray 灰 | 8 | 8 | ||
White 白 | 9 | 9 |