电池过流维护片基本知识介绍
过流维护片概述:过流维护片是专门用于避免因为滥充电而引起的电池过温,电池过温是电池组规划人员首要关怀的问题。锂电池组中虽然有过压及过流检测安全维护电路,(包含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呈现毛病。)但在电压维护电路失效而又没有温度维护的情况下,电池就会在过充或滥充时发生过多热量,使电池决裂、漏液、冒烟、乃至焚烧。 |
一、圆型电池过流维护片
●Disc PTC产品尺度
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 电极资料 |
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、带状电池过流维护片
●RFS系列过流维护片产品尺度
Model
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