K250 Datasheet, PDF (2/3 Pages) StarHope – Radial leaded Devices

PPTC/K250 Series
Model Ihold Itrip
(A)
(A)
K250-040U 0.040 0.08
K250-060U 0.060 0.12
K250-080U 0.080 0.16
K250-090U 0.090 0.18
K250-110U 0.110 0.22
K250-120 0.120 0.24
K250-120U 0.120 0.24
K250-145U 0.145 0.29
K250-180T 0.180 0.65
K250-180U 0.180 0.65
K250-200U 0.200 0.40
K250-400U 0.400 0.80
K250-600U 0.600 1.20
K250-800U 0.800 1.60
Electrical characteristics(25℃)
Vmax
OP
(Vdc)
60
60
60
60
60
60
60
60
60
60
60
60
60
60
Vmax
Interrupt
Vrms
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Imax
(A)
3
3
3
3
3
3
3
3
10
10
10
10
10
10
Pd max Maximum Time To Trip
Current
Time
(w)
(A)
(S)
1.0
0.5
0.2
1.0
0.5
0.5
1.0
1
0.25
1.0
1
0.5
1.0
1
1.1
1.0
1
1.2
1.0
1
1.2
1.0
1
2.5
1.8
3
3.0
1.8
3
1.5
2.4
3
5.0
2.8
3
8.0
3.2
3
12.0
3.6
5
18.0
Resistance
Rmin Rmax R1max
(Ω)
(Ω)
(Ω)
30
60
80
20
60
90
14
22
33
10
20
31
6
12
16
5
10
14
6
11
16
3.5
6.5
14
1.0
2.2
4
2
4
6
3
6
9
1
3
6
0.6
2
5
0.4
1
3
Ihold
Hold Current:Maximum current device will not trip in 25℃ still air.
Itrip
Trip current:Minimum current at which the device will always trip in 25℃ still air
Vmax OP Maximum operating volatge(Vdc) device can withstand without damage at ratde current(Imax).
Vmax InterruMpat ximum interrupt volatge(Vac) device can withstand without damage at ratde current.
Imax
Maximum fault current device can withstand without damage at rated voltage.
Pd
Typical power dissipatde from device when in the tripped state in 25℃ still air environment at rated voltage
Rmin/max Minimum device resistance prior to tripping at 25℃.
Rmax
Maximum device resistance prior to tripping at 25℃.
R1max
Maximum device resistance one hour after it is trippde at 25℃ .
*CAUTION Operation beyond the specified rating may result in damage and possible arcing.
Part number
K250-040U
K250-060U
K250-080U
K250-110U
K250-120/120U
K250-145U
K250-180T/180U
K250-200U
K250-400U
K250-600U
K250-800U
-40
0.060
0.090
0.124
0.171
0.191
0.225
0.269
0.300
0.600
0.900
1.200
-20
0.053
0.080
0.110
0.151
0.170
0.199
0.240
0.266
0.532
0.798
1.064
Thermal Derating Chart-IH(A)
Maximum ambidnt operating temperatures(℃)
0
25
40
50
60
70
0.047 0.040 0.034 0.031
0.027
0.024
0.070 0.060 0.050 0.046
0.041
0.036
0.095 0.080 0.066 0.059
0.051
0.044
0.131 0.110 0.091 0.081
0.071
0.061
0.148 0.120 0.104 0.093
0.082
0.071
0.172 0.145 0.119 0.106
0.093
0.080
0.211 0.180 0.153 0.138
0.123
0.109
0.234 0.200 0.170 0.154
0.136
0.120
0.468 0.400 0.340 0.308
0.272
0.240
0.702 0.600 0.510 0.462
0.408
0.360
0.936 0.800 0.680 0.616
0.544
0.480
80
0.019
0.029
0.033
0.046
0.055
0.060
0.087
0.096
0.192
0.288
0.384
REV.2014.05.01
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