• 产品中心
  • 产品应用领域分类
产品大图
锂电池适用自恢复保险丝
产品简介
单个PPTC元件就可完成电池过流保护、电池过温保护和电池短路保护。在锂离子电池及其管理电路的保护应用中具备了无可替代性的作用,现在已发展成为锂离子电池及其管理电路中必须应用的
产品编号: 所属类别:电源相关自恢复保险丝
浏览次数:订购热线:400-0503-668
标签 PPTC 自恢复保险丝
 
  • 产品详情
  • 还不知道如何选型吗?请点击
WHPTC(SMD表面贴装型)自复位过流保护器 SMD0805系列(SMD0805 Series)

在锂电池电路中,通常是选用贴片保险丝,型号一般选用SMD1206,SMD0805,


产品电气特性参数 Performance specification (25℃)
Model
型号
Vmax Imax Ih It Pd Time to trip Resistance
V A A A W Current(A) Time(s) Rmin(Ω) R1max(Ω)
WH0805
-005
16 10 0.05 0.15 0.5 0.25 1.50 3.500 5.000
WH0805
-010
16 20 0.10 0.30 0.5 0.5 1.50 1.000 6.000
WH0805
-020
16 20 0.20 0.40 0.5 8.0 0.02 0.700 3.500
WH0805
-025
16 20 0.25 0.50 0.5 8.0 0.02 0.650 2.600
WH0805
-035
8 20 0.35 0.70 0.6 8.0 0.10 0.300 1.600
WH0805
-050
6 40 0.50 1.00 0.6 8.0 0.10 0.180 1.000
WH0805
-075
6 40 0.75 1.50 0.8 8.0 0.20 0.100 0.450
WH0805
-100
6 40 1.00 2.00 0.8 8.0 0.30 0.060 0.250

万和”;自恢复保险丝(插件式)技术参数

WHPTC Technical Support

符号定义 Definition 

符号Sign 说明 Definition
Ih

WHPTC在25℃环境温度下的最大 工作电流

Hold current-maximum current at which the device will not trip at 25℃
It WHPTC在25℃环境温度下启动保护的最小电流 Trip current-minimum current at which the device will always trip at 25℃
Vmax WHPTC的最大工作电压 Maximum voltage at which the device will not trip
Vmaxi WHPTC在阻断状态下所承受的最大电压 Maximum voltage device can withstand without damage at it rated current
Imax WHPTC能承受的最大电流 Maximum fault current device can withstand without damage at rated voltage
Rmin WHPTC工作前的初始最小阻值 Minimum device resistance at 25℃ prior to tripping
Rmax WHPTC工作前的初始最大阻值 Maximum device resistance at 25℃ prior to tripping
Figure 图示 The Figure of WHPTC
Lead 导线尺寸 Lead diameter

环境温度及电流值折减比率表

Discount rate of ambient temperature and current

WH Series -20℃ 0℃ 25℃ 30℃ 40℃ 50℃ 60℃ 70℃ 85℃
WH6 130% 115% 100% 91% 83% 77% 68% 61% 52%
WH16 132% 120% 100% 96% 88% 80% 71% 61% 47%
WH30 130% 115% 100% 91% 83% 77% 68% 61% 52%
WH60 136% 119% 100% 90% 81% 72% 63% 54% 40%
WH130 136% 119% 100% 92% 81% 72% 63% 54% 40%
WH250 132% 117% 100% 91% 85% 77% 68% 61% 48%
WH600 138% 119% 100% 92% 83% 73% 64% 55% 42%

 

2001-2013 © 万瑞和电子 粤ICP备05046856号-1
电话:400-0503-668 传真:0755-29503998 E-mail:ec1@whptc.com
地址:深圳市龙华区观澜街道桂花社区观光路1231号美泰科技园1栋3楼北