| WH250 Series Resettable PTC Fuses | ||||
| Introduction |
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| WH250 series resettable fuse (WHPTC) for program-controlled switches, patch panels designed and manufactured over protection device, but can also used in transformers, security equipment, lamps, ballasts, meters, telephone lines and other fields | ||||
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WH250 Product Data
WH250 product characteristics and dimensions（25℃）
|
Model 型号 |
Ih |
It |
Vmaxi |
Imax |
Rmin |
Rmax |
Product Dimensions (mm) |
|||||
|
A |
A |
V |
A |
Ω |
Ω |
Style |
A |
B |
C |
D |
Lead |
|
|
WH250-030 |
0.03 |
0.06 |
250 |
1 |
35 |
90 |
F2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
WH250-040 |
0.04 |
0.08 |
250 |
1 |
27 |
66 |
F2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
WH250-050 |
0.05 |
0.10 |
250 |
1 |
20 |
45 |
F2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
WH250-060 |
0.06 |
0.12 |
250 |
3 |
20 |
45 |
F2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.6 |
|
WH250-080 |
0.08 |
0.16 |
250 |
3 |
10 |
22 |
F2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.5 |
|
WH250-090 |
0.09 |
0.18 |
250 |
3 |
5.0 |
20 |
F2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.5 |
|
WH250-110 |
0.11 |
0.22 |
250 |
3 |
6.0 |
12.0 |
F1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
WH250-120 |
0.12 |
0.24 |
250 |
3 |
6.5 |
10.5 |
F1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
WH250-145 |
0.145 |
0.29 |
250 |
3 |
3.5 |
6.5 |
F1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
WH250-180 |
0.18 |
0.54 |
250 |
10 |
1.35 |
3.0 |
F2 |
10.5 |
13.5 |
5.1 |
4.6 |
0.6 |
|
WH250-200 |
0.20 |
0.40 |
250 |
10 |
3.0 |
6.0 |
F2 |
10.5 |
13.5 |
5.1 |
4.6 |
0.6 |
|
WH250-400 |
0.40 |
0.80 |
250 |
10 |
1.35 |
3.0 |
F1 |
11.2 |
14.2 |
5.1 |
4.6 |
0.8 |
|
WH250-600 |
0.60 |
1.20 |
250 |
10 |
1.0 |
2.0 |
F1 |
12.6 |
15.6 |
5.1 |
4.6 |
0.8 |
|
WH250-800 |
0.80 |
1.60 |
250 |
10 |
0.4 |
1.0 |
F1 |
15.0 |
19.5 |
5.1 |
4.6 |
0.8 |
|
WH250-1000 |
1.00 |
2.00 |
250 |
10 |
0.4 |
0.8 |
F2 |
21.1 |
23.6 |
10.2 |
4.6 |
0.8 |
|
WH250-1500 |
1.50 |
3.00 |
250 |
10 |
0.3 |
0.6 |
F1 |
21.0 |
27.5 |
10.2 |
4.6 |
0.8 |
|
WH250-2000 |
2.00 |
4.00 |
250 |
10 |
0.2 |
0.4 |
F1 |
26.2 |
32.8 |
10.2 |
4.6 |
0.8 |
|
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 |
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% |
WH250 Typical Time to Trip at 25℃
A:WH250-080
B:WH250-090
C:WH250-110
D:WH250-120
E:WH250-145
F:WH250-180
G:WH250-200
H:WH250-400
|
 |
The product information will be updated without notice. If there is any problem, please call us, thanks!
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 |
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% |
