电池过流保护片基本知识介绍
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过流保护片概述：过流保护片是专门用于防止由于滥充电而引起的电池过温，电池过温是电池组设计人员主要关心的问题。锂电池组中尽管有过压及过流检测安全保护电路，（包括集成电路及为在有过强的静电放电、温度过高以及短路的情况下半导体电路会出现故障。）但在电压保护电路失效而又没有温度保护的情况下，电池就会在过充或滥充时产生过多热量，使电池破裂、漏液、冒烟、甚至燃烧。 |
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一、圆型电池过流保护片
●Disc PTC产品尺寸
|
Model |
I hold |
Vmax |
I max |
Trip Time |
Rmin |
Rmax | |
|
A |
Vdc |
A |
A |
T(s) |
Ω |
Ω | |
|
PTC-3870D |
3.50 |
15 |
40 |
12.50 |
10.00 |
0.008 |
0.045 |
| PTC-3871D |
2.50 |
15 |
40 |
10.00 |
6.00 |
0.018 |
0.065 |
| PTC-3872N |
3.00 |
15 |
40 |
12.00 |
5.00 |
0.015 |
0.060 |
| PTC-3873N |
3.00 |
15 |
40 |
10.00 |
5.00 |
0.017 |
0.065 |
| PTC-3874N |
2.50 |
15 |
40 |
10.00 |
5.00 |
0.014 |
0.060 |
| PTC-3875N |
2.80 |
15 |
40 |
5.00 |
80.00 |
0.015 |
0.060 |
| PTC-3876N |
1.20 |
15 |
40 |
10.00 |
10.00 |
0.015 |
0.078 |
| PTC-3877N |
1.20 |
15 |
40 |
10.00 |
5.00 |
0.025 |
0.072 |
| PTC-3878N |
1.40 |
15 |
40 |
8.00 |
1.00 |
0.040 |
0.100 |
| PTC-3879N |
2.20 |
15 |
40 |
10.00 |
5.00 |
0.005 |
0.055 |
●Disc PTC product characteristics(23℃)
|
Model |
A |
B |
C |
Electrode Material 电极材料 |
|
MAX |
MAX |
MAX | ||
|
PTC-3870D |
14.15 |
7.55 |
0.36 |
Ni/Cu |
| PTC-3871D |
15.15 |
9.05 |
0.36 |
Ni/Cu |
| PTC-3872N |
16.10 |
10.15 |
0.38 |
Ni |
| PTC-3873N |
16.33 |
11.05 |
0.35 |
Ni |
| PTC-3874N |
16.10 |
10.15 |
0.36 |
Ni |
| PTC-3875N |
14.45 |
6.35 |
0.38 |
Ni |
| PTC-3876N |
15.45 |
9.05 |
0.36 |
Ni |
| PTC-3877N |
15.80 |
9.05 |
0.34 |
Ni |
| PTC-3878N |
11.75 |
5.55 |
0.36 |
Ni |
| PTC-3879N |
16.05 |
8.05 |
0.36 |
Ni |
二、带状电池过流保护片
●RFS系列过流保护片产品尺寸
|
Model |
A | B | C | D1 | D2 | E | ||||
| MIN | MAX | MIN | MAX | MIN | MAX | MIN | MIN | MIN | MAX | |
| RFS-070 | 19.9 | 22.1 | 4.9 | 5.2 | 0.7 | 1.2 | 5.5 | 5.5 | 3.9 | 4.1 |
| RFS-120 | 19.9 | 22.1 | 4.9 | 5.2 | 0.6 | 1.0 | 5.5 | 5.5 | 3.9 | 4.1 |
| RFS-175 | 20.9 | 23.1 | 4.9 | 5.2 | 0.6 | 1.0 | 4.1 | 4.1 | 3.9 | 4.1 |
| RFS-200 | 21.3 | 23.4 | 10.2 | 11.0 | 0.5 | 1.1 | 5.0 | 5.0 | 4.8 | 5.4 |
| RFS-350 | 28.4 | 31.8 | 13.0 | 13.5 | 0.5 | 1.1 | 6.3 | 6.3 | 6.0 | 6.6 |
| RFS-420 | 30.6 | 32.4 | 12.9 | 13.6 | 0.5 | 1.1 | 5.0 | 5.0 | 6.0 | 6.7 |
●RFS系列过流保护片电气特性(25℃)
|
Model |
Ih |
It |
Trip Time |
Vmax |
Imax |
Rmin |
Rmax |
Pdmax | |
|
A |
A |
A |
S |
V |
A |
Ω |
Ω |
W | |
| RFS-070 | 0.70 | 1.45 | 3.5 | 5.0 | 15 | 100 | 0.100 | 0.200 | 0.7 |
| RFS-120 | 1.20 | 2.70 | 6.0 | 5.0 | 15 | 100 | 0.085 | 0.16 | 0.8 |
| RFS-175 | 1.75 | 3.80 | 8.75 | 5.0 | 15 | 100 | 0.050 | 0.090 | 0.9 |
| RFS-200 | 2.00 | 4.40 | 10.0 | 4.0 | 30 | 100 | 0.30 | 0.60 | 1.6 |
| RFS-350 | 3.5 | 6.3 | 20 | 3.0 | 30 | 100 | 0.017 | 0.031 | 1.9 |
| RFS-420 | 4.2 | 7.6 | 20 | 6.0 | 30 | 100 | 0.012 | 0.024 | 2.2 |
●LV系列过流保护片产品尺寸
|
Model |
A | B | C | D1 | D2 | E | ||||
| MIN | MAX | MIN | MAX | MIN | MAX | MIN | MIN | MIN | MAX | |
| LV110 | 23.6 | 25.6 | 2.7 | 2.9 | - | 0.7 | 7.0 | 7.0 | 2.3 | 2.5 |
| LV170 | 20.9 | 22.9 | 4.9 | 5.3 | 0.5 | 0.8 | 6.0 | 6.0 | 3.9 | 4.1 |
| LV175 | 21.2 | 23.2 | 3.5 | 3.7 | - | 0.7 | 5.6 | 5.6 | 2.9 | 3.1 |
| LV210 | 20.9 | 23.1 | 4.9 | 5.3 | 0.6 | 0.8 | 4.1 | 4.1 | 3.9 | 4.1 |
| LV220 | 21.1 | 23.3 | 3.5 | 3.9 | 0.6 | 0.8 | 5.1 | 5.1 | 2.9 | 3.1 |
| LV230 | 23.9 | 23.1 | 4.9 | 5.1 | - | 0.7 | 4.1 | 4.1 | 3.9 | 4.1 |
| LV270 | 20.9 | 23.1 | 4.9 | 5.3 | 0.6 | 0.8 | 4.1 | 4.1 | 3.9 | 4.1 |
●LV系列过流保护片电气特性(25℃)
|
Model |
Ih |
It |
Trip Time |
Vmax |
Imax |
Rmin |
Rmax |
Pdmax | |
|
A |
A |
A |
S |
V |
A |
Ω |
Ω |
W | |
| LV110 | 1.1 | 2.7 | 7.00 | 5.0 | 16 | 100 | 0.038 | 0.070 | 0.7 |
| LV170 | 1.7 | 3.4 | 8.50 | 5.0 | 16 | 100 | 0.030 | 0.052 | 0.7 |
| LV175 | 1.75 | 3.6 | 8.75 | 5.0 | 16 | 100 | 0.029 | 0.051 | 0.8 |
| LV210 | 2.1 | 4.7 | 10.0 | 5.0 | 16 | 100 | 0.018 | 0.030 | 1.2 |
| LV220 | 2.2 | 5.3 | 11.0 | 5.0 | 16 | 60 | 0.017 | 0.029 | 0.8 |
| LV230 | 2.3 | 5.0 | 10.0 | 5.0 | 12 | 100 | 0.012 | 0.018 | 1.4 |
| LV270 | 2.7 | 6.5 | 13.5 | 5.0 | 16 | 60 | 0.012 | 0.018 | 1.2 |
●LR系列过流保护片尺寸
|
Model |
A | B | C | D1 | D2 | E | ||||
| MIN | MAX | MIN | MAX | MIN | MAX | MIN | MIN | MIN | MAX | |
| LR-070 | 19.0 | 22.0 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-100 | 20.0 | 23.0 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-170 | 16.0 | 18.0 | 4.9 | 5.2 | 0.6 | 0.8 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-175 | 20.0 | 23.0 | 3.5 | 3.8 | 0.6 | 0.8 | 5.0 | 5.0 | 2.9 | 3.1 |
| LR-180 | 23.0 | 25.0 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-190 | 20.0 | 22.5 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-200 | 20.0 | 23.0 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-260 | 20.0 | 23.0 | 4.9 | 5.2 | 0.6 | 1.0 | 5.0 | 5.0 | 3.9 | 4.1 |
| LR-300 | 28.0 | 31.8 | 6.9 | 7.5 | 0.6 | 1.0 | 6.0 | 6.0 | 4.9 | 5.1 |
| LR-350 | 28.0 | 31.8 | 6.9 | 7.5 | 0.6 | 1.0 | 6.0 | 6.0 | 4.9 | 5.1 |
| LR-380 | 28.0 | 31.8 | 6.9 | 7.5 | 0.6 | 1.0 | 6.0 | 6.0 | 4.9 | 5.1 |
| LR-450 | 25.0 | 28.0 | 10.0 | 15.5 | 0.6 | 1.0 | 5.0 | 5.0 | 4.9 | 5.1 |
| LR-550 | 30.0 | 35.0 | 6.9 | 7.5 | 0.6 | 1.0 | 6.0 | 6.0 | 4.9 | 5.1 |
| LR-600 | 28.0 | 30.0 | 6.9 | 14.5 | 0.6 | 1.0 | 6.0 | 6.0 | 5.9 | 6.1 |
| LR-730 | 27.0 | 29.0 | 13.9 | 14.5 | 0.9 | 1.0 | 6.0 | 6.0 | 5.9 | 6.1 |
| LR-900 | 45.0 | 48.0 | 7.5 | 8.5 | 0.9 | 1.3 | 6.0 | 6.0 | 5.9 | 6.1 |
| LR-1300 | 61.0 | 66.0 | 9.4 | 10.0 | 0.9 | 1.3 | 6.0 | 6.0 | 5.9 | 6.1 |
| LR-1410 | 58.0 | 60.0 | 13.4 | 14.0 | 0.9 | 1.3 | 6.0 | 6.0 | 5.9 | 6.1 |
●LR 系列过流保护片电气特性(25℃)
|
Model |
Ih |
It |
Trip Time |
Vmax |
Imax |
Rmin |
Rmax |
Pdmax | |
|
A |
A |
A |
S |
V |
A |
Ω |
Ω |
W | |
| LR-070 | 0.70 | 1.45 | 3.5 | 5.0 | 15 | 100 | 0.100 | 0.200 | 0.70 |
| LR-100 | 1.00 | 2.5 | 5.0 |
7.0 |
16 | 100 | 0.070 | 0.130 | 0.90 |
| LR-170 | 1.70 | 3.4 | 8.5 | 5.0 | 16 | 100 | 0.030 | 0.052 | 0.70 |
| LR-175 | 1.75 | 3.6 | 8.5 | 5.0 | 16 | 100 | 0.030 | 0.050 | 0.80 |
| LR-180 | 1.8 | 3.8 | 9.0 | 2.9 | 16 | 100 | 0.040 | 0.050 | 1.0 |
| LR-190 | 1.9 | 4.2 | 10.0 | 3.0 | 16 | 100 | 0.039 | 0.079 | 1.9 |
| LR-200 | 2.0 | 4.4 | 10.0 | 4.0 | 16 | 100 | 0.030 | 0.060 | 1.6 |
| LR-260 | 2.6 | 5.8 | 13.0 | 5.0 | 16 | 100 | 0.020 | 0.042 | 1.0 |
| LR-300 | 3.0 | 6.3 | 15.0 | 4.0 | 20 | 100 | 0.015 | 0.031 | 1.7 |
| LR-350 | 3.5 | 7.2 | 20.0 | 3.0 | 20 | 100 | 0.017 | 0.031 | 1.9 |
| LR-380 | 3.8 | 8.3 | 19.0 | 5.0 | 20 | 100 | 0.013 | 0.026 | 1.2 |
| LR-450 | 4.5 | 8.9 | 22.5 | 5.0 | 20 | 100 | 0.011 | 0.020 | 1.4 |
| LR-550 | 5.5 | 10.5 | 27.5 | 5.0 | 20 | 100 | 0.009 | 0.016 | 2.0 |
| LR-600 | 6.0 | 11.7 | 30.0 | 5.0 | 20 | 100 | 0.007 | 0.014 | 1.7 |
| LR-730 | 7.3 | 14.1 | 30.0 | 5.0 | 20 | 100 | 0.006 | 0.012 | 1.9 |
| LR-900 | 9.0 | 17.0 | 45.0 | 5.0 | 20 | 100 | 0.004 | 0.010 | 2.5 |
| LR-1300 | 13.0 | 21.2 | 50.0 | 10.0 | 20 | 100 | 0.004 | 0.007 | 2.2 |
| LR-1410 | 14.1 | 26.2 | 70.0 | 5.0 | 20 | 100 | 0.003 | 0.005 | 2.2 |
●RFV系列过流保护片产品尺寸
|
Model |
A | B | C | D1 | D2 | E | ||||
| MIN | MAX | MIN | MAX | MIN | MAX | MIN | MIN | MIN | MAX | |
| RFV-110 | 23.6 | 25.6 | 2.7 | 2.9 | - | 0.7 | 7.0 | 7.0 | 2.3 | 2.5 |
| RFV-170 | 15.4 | 17.5 | 7.0 | 7.4 | 0.5 | 0.8 | 4.0 | 4.0 | 3.9 | 4.1 |
| RFV-175 | 21.2 | 23.2 | 3.5 | 3.7 | - | 0.7 | 5.6 | 5.6 | 2.9 | 3.1 |
| RFV-200 | 20.9 | 23.1 | 4.1 | 4.5 | - | 0.8 | 3.0 | 3.0 | 3.9 | 4.1 |
| RFV-210 | 20.9 | 23.1 | 4.9 | 5.3 | 0.6 | 0.8 | 4.1 | 4.1 | 3.9 | 4.1 |
| RFV-240 | 23.8 | 26.2 | 4.9 | 5.3 | - | 0.8 | 3.5 | 3.5 | 3.9 | 4.1 |
●RFV系列过流保护片产品电气特性(25℃)
|
Model |
Ih |
It |
Trip Time |
Vmax |
Imax |
Rmin |
Rmax |
Pdmax | |
|
A |
A |
A |
S |
V |
A |
Ω |
Ω |
W | |
| RFV-110 | 1.1 | 2.7 | 7.0 | 5.0 | 16 | 100 | 0.038 | 0.070 | 0.7 |
| RFV-170 | 1.7 | 3.4 | 8.5 | 3.0 | 16 | 100 | 0.030 | 0.052 | 1.0 |
| RFV-175 | 1.75 | 3.6 | 8.75 | 5.0 | 16 | 100 | 0.029 | 0.051 | 0.8 |
| RFV-200 | 2.0 | 4.7 | 10.0 | 5.0 | 16 | 100 | 0.018 | 0.030 | 1.2 |
| RFV-210 | 2.1 | 4.7 | 10.0 | 5.0 | 16 | 100 | 0.018 | 0.030 | 1.2 |
| RFV-240 | 2.4 | 5.9 | 12.0 | 5.0 | 16 | 100 | 0.014 | 0.026 | 1.0 |