MF52系列NTC热敏电阻技术参数
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MF52系列NTC热敏电阻说明:
- 温度传感器绝缘引线规格: UL 3398 22AWG.黑色
- 传感器端子规格：XH 2.5黑色
- HOUSING规格：XH 2.5-2P.
- NTC温度传感器未标注尺寸公差为±1.5mm.
- 热敏电阻器符合RoHS要求.
- NTC热敏电阻规格：R25=10K±1% B25/85=3435
| 1. MF52系列NTC热敏电阻电气特性（ElectricalCharacteristics） | |||||||||||||
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序号 Sym. |
项 目 Item |
定 义 Particular |
规 格 Standard |
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| 1 | 电阻值 | 环境温度为 | 25 | ℃时的阻值 | R | 25 | = | 10KΩ | |||||
| Resistance | Resistance at | 25 | ℃ | ±1% | |||||||||
| 2 |
B值 B-value |
温度t1℃、t2℃之间的Ｂ值 B-value between t1℃ and t2℃ |
B | 25/85 | =3435K | ||||||||
| ±1% | |||||||||||||
| 3 |
热时间常数（响应速度） Thermal time constant |
在搅拌水中，将下降到63.2%所需时间。水温范围：25℃-50℃ The time required for the temperature of a thermistor to change into 63.2% of temp. range: 25℃-50℃ |
≤10sec | ||||||||||
| 4 |
使用温度范围 Operating temp. |
冷热冲击环境下 Hot and cold shock environment |
-40－115℃ | ||||||||||
| 5 |
热耗散系数 Dissipation constant |
静止空气中温度每升高1℃所需消耗的功率 Consumption power taking temp. of thermistor 1 degree up in still air. |
6mW/℃ | ||||||||||
| 6 |
耐压 Withstanding voltage |
AC1800V 1秒（NTC热敏电阻头部置于水中） In≤5mA A.C.1800V for a second in water Cut-off current: 5mA |
无异常 No visible difference |
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| 7 |
绝缘电阻 Insulation resistance |
DC500V（NTC温度传感器头部置于水中） DC500V megger in water |
≥100MΩ | ||||||||||
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2. MF58热敏电阻机械特性（MechanicalCharacteristics） |
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|
序号 Sym. |
项 目 Item |
定 义 Particular |
试验后特性 Characteristic after test |
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| 1 |
热敏电阻引线强度 pull test |
沿轴线方向外加30N（3kg.f） 静负荷并保持1分钟 From axis direction,hang a load 30N(3kg.f) and stay for a min. |
热敏电阻外观无损坏 电气性能 无异常 No abnormal found and no electric abnormality |
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| 2 |
NTC跌落试验 Drop test |
1米高度自由落在规定的木版上5次 From height 1m drop on wood 5 times. |
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| 3 |
NTC传感器振动试验 Vibration test |
将振动频率为20~200HZ，加速度4.4G，周期15分钟。沿上下、前后、左右各振动2小时。 Vibration freq.: 20~200HZ, acceleration: 4.4G, cycle: 15min.,up/down 2 hours, back/front and left/right each 2 hours increase vibration. |
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3. MF52热敏电阻可靠性（Reliability Test） |
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|
序号 Sym. |
项 目 Item |
定 义 Particular |
试验后变化率 Changing ratio after test |
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| 1 |
MF52热敏电阻芯片高温放置 Heat resistance Test |
100℃环境放置1000小时 100℃ in air placed 1000 hours |
△R | 25 | ≤ | ±3% | |||||||
| R | 25 | ||||||||||||
| △B | 25/85 | ≤ | ±3% | ||||||||||
| B | 25/85 | ||||||||||||
|
2 |
NTC探头低温放置 Cold resistance Test |
-30℃环境放置1000小时 -30℃ in air placed 1000 hours |
△R | 25 | ≤ | ±3% | |||||||
| R | 25 | ||||||||||||
| △B | 25/85 | ≤ | ±3% | ||||||||||
| B | 25/85 | ||||||||||||
| 3 |
NTC高温高湿放置 High temp. Humidity test |
60℃、95%RH环境放置1000小时 60℃，95%RH placed 1000 hours |
△R | 25 | ≤ | ±3% | |||||||
| R | 25 | ||||||||||||
| △B | 25/85 | ≤ | ±3% | ||||||||||
| B | 25/85 | ||||||||||||
| 4 |
热敏电阻温度循环试验 Heat cycle test |
在空气中：-20℃，1小时 常温，5分钟<═> 100℃，1小时。循环50次 In air, -20℃,1 hours<═>R.T. 5 min.<═> 100℃, 1 hours.50 cycles |
△R | 25 | ≤ | ±3% | |||||||
| R | 25 | ||||||||||||
| △B | 25/85 | ≤ | ±5% | ||||||||||
| B | 25/85 | ||||||||||||
| 5 |
MF52温度传感器煮沸试验 Boiling test |
沸水中5小时 <═> 室温中19小时 In boiling water, 5 hours <═> in R.T. air 19 hours |
△R | 25 | ≤ | ±3% | |||||||
| R | 25 | ||||||||||||
| △B | 25/85 | ≤ | ±3% | ||||||||||
| B | 25/85 | ||||||||||||
4.热敏电阻RT特性表（RT attribute table）：
| T(℃) | R(KΩ) | T(℃) | R(KΩ) | T(℃) | R(KΩ) | T(℃) | R(KΩ) | T(℃) | R(KΩ) |
| -40 | 206.1 | 5 | 22.17 | 50 | 4.160 | 95 | 1.111 | 140 | 0.3935 |
| -39 | 194.6 | 6 | 21.25 | 51 | 4.025 | 96 | 1.083 | 141 | 0.3950 |
| -38 | 183.9 | 7 | 20.36 | 52 | 3.895 | 97 | 1.056 | 142 | 0.3600 |
| -37 | 173.8 | 8 | 19.53 | 53 | 3.770 | 98 | 1.030 | 143 | 0.3613 |
| -36 | 164.4 | 9 | 18.73 | 54 | 3.649 | 99 | 1.004 | 144 | 0.3538 |
| -35 | 155.5 | 10 | 17.97 | 55 | 3.533 | 100 | 0.9788 | 145 | 0.3465 |
| -34 | 147.1 | 11 | 17.25 | 56 | 3.421 | 101 | 0.9546 | 146 | 0.3380 |
| -33 | 139.3 | 12 | 16.56 | 57 | 3.313 | 102 | 0.9311 | 147 | 0.3325 |
| -32 | 131.9 | 13 | 15.91 | 58 | 3.210 | 103 | 0.9082 | 148 | 0.3258 |
| -31 | 125.0 | 14 | 15.28 | 59 | 3.109 | 104 | 0.8860 | 149 | 0.3192 |
| -30 | 118.4 | 15 | 14.69 | 60 | 3.013 | 105 | 0.8644 | 150 | 0.3129 |
| -29 | 112.3 | 16 | 14.12 | 61 | 2.920 | 106 | 0.8434 | ||
| -28 | 106.5 | 17 | 13.57 | 62 | 2.830 | 107 | 0.8229 | ||
| -27 | 101.0 | 18 | 13.05 | 63 | 2.743 | 108 | 0.8031 | ||
| -26 | 95.85 | 19 | 12.56 | 64 | 2.660 | 109 | 0.7838 | ||
| -25 | 91.00 | 20 | 12.08 | 65 | 2.579 | 110 | 0.7650 | ||
| -24 | 86.43 | 21 | 11.63 | 66 | 2.502 | 111 | 0.7467 | ||
| -23 | 82.12 | 22 | 11.20 | 67 | 2.427 | 112 | 0.7290 | ||
| -22 | 78.05 | 23 | 10.78 | 68 | 2.354 | 113 | 0.7117 | ||
| -21 | 74.20 | 24 | 10.38 | 69 | 2.285 | 114 | 0.6949 | ||
| -20 | 70.58 | 25 | 10.00 | 70 | 2.217 | 115 | 0.6785 | ||
| -19 | 67.16 | 26 | 9.635 | 71 | 2.152 | 116 | 0.6626 | ||
| -18 | 63.93 | 27 | 9.285 | 72 | 2.089 | 117 | 0.6471 | ||
| -17 | 60.87 | 28 | 8.949 | 73 | 2.029 | 118 | 0.6320 | ||
| -16 | 57.98 | 29 | 8.627 | 74 | 1.970 | 119 | 0.6173 | ||
| -15 | 55.24 | 30 | 8.319 | 75 | 1.914 | 120 | 0.6030 | ||
| -14 | 52.65 | 31 | 8.022 | 76 | 1.859 | 121 | 0.5891 | ||
| -13 | 50.20 | 32 | 7.738 | 77 | 1.807 | 122 | 0.5756 | ||
| -12 | 47.87 | 33 | 7.465 | 78 | 1.756 | 123 | 0.5624 | ||
| -11 | 45.66 | 34 | 7.203 | 79 | 1.707 | 124 | 0.5496 | ||
| -10 | 43.56 | 35 | 6.952 | 80 | 1.659 | 125 | 0.5371 | ||
| -9 | 41.58 | 36 | 6.710 | 81 | 1.613 | 126 | 0.5249 | ||
| -8 | 39.69 | 37 | 6.478 | 82 | 1.569 | 127 | 0.5131 | ||
| -7 | 37.90 | 38 | 6.255 | 83 | 1.526 | 128 | 0.5016 | ||
| -6 | 36.20 | 39 | 6.040 | 84 | 1.484 | 129 | 0.4904 | ||
| -5 | 34.58 | 40 | 5.834 | 85 | 1.451 | 130 | 0.4795 | ||
| -4 | 33.05 | 41 | 5.636 | 86 | 1.406 | 131 | 0.4688 | ||
| -3 | 31.59 | 42 | 5.446 | 87 | 1.369 | 132 | 0.4585 | ||
| -2 | 30.21 | 43 | 5.262 | 88 | 1.333 | 133 | 0.4484 | ||
| -1 | 28.89 | 44 | 5.086 | 89 | 1.299 | 134 | 0.4386 | ||
| 0 | 27.63 | 45 | 4.917 | 90 | 1.265 | 135 | 0.4291 | ||
| 1 | 26.42 | 46 | 4.753 | 91 | 1.232 | 136 | 0.4198 | ||
| 2 | 25.27 | 47 | 4.596 | 92 | 1.201 | 137 | 0.4107 | ||
| 3 | 24.18 | 48 | 4.445 | 93 | 1.170 | 138 | 0.4019 | ||
| 4 | 23.15 | 49 | 4.300 | 94 | 1.140 | 139 | 0.3977 |
*MF52系列NTC热敏电阻器阻值与温度对应特性R/T表由专业温度传感器生产厂家富温传感技术公司提供。
