K250-060U

PPTC/K250 Series
Features
Radial leaded Devices
Cured,flame retardant epoxy polymer
insulating material meets UL94V-0
requirements
Bulk packaging,or tape and reel
available on most models
Applications
Almost anywhere there is a low voltage
power supply, up to DC60V and a load
to be protested, including:
Security and fire alarm systems
Analog and digital line cards
Modems and DSL
Product dimensions
Model
K250-040U
K250-060U
K250-080U
K250-090U
K250-110U
K250-120
K250-120U
K250-145U
K250-180T
K250-180U
K250-200U
K250-400U
K250-600U
K250-800U
Fig
1(2)
1(2)
1
1(2)
1
3
4
3
3
1
3
5
5
5
5
A(max)
7.4
7.4
7.4
6.0
7.4
7.0
5.5
7.0
7.0
10.2
9.0
12.0
12.0
16.0
20.0
( mm )
B(max)
12.7
12.7
12.7
9.3
12.7
12.6
5.5
12.6
12.6
14.5
11.0
17.0
17.0
18.0
22.0
C(max)
4.5
4.5
4.5
3.8
4.5
4.5
2.6
4.5
4.5
4.2
4.5
4.5
4.5
4.5
4.5
D(typ)
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
Physical Characteristcs
K250-040U~600U
K250-800U
Test
Passive aging
Humidity aging
Thermal shock
Resistance to solvent
Vibration
Storage conditions:-40℃ to 85℃
REV.2015.02.01
Material:Leads
Environmental Specifications
conditions
+85℃,100hts
+85℃,85%R.H.,100hrs
+125℃,to-55℃,10times
MIL-STD-202,Method 215
MIL-STD-202,Method 201
Tin plated copper,22AWG,0.60mm
Tin plated copper,20AWG,0.80mm
Resistance change
±8% typical
±8% typical
±12% typical
No change
No change
01 | www.spsemi.cn
PPTC/K250 Series
Electrical characteristics(25℃)
Model
Ihold
Itrip
Vmax
Vmax
OP
Interrupt
Imax
Pd max Maximum Time To Trip
Current
Time
Rmin
Resistance
Rmax
R1max
(A)
(A)
(Vdc)
Vrms
(A)
(w)
(A)
(S)
(Ω)
(Ω)
(Ω)
K250-040U
0.040
0.08
60
250
3
1.0
0.5
0.2
30
60
80
K250-060U
0.060
0.12
60
250
3
1.0
0.5
0.5
20
0
60
90
K250-080U
0.080
0.16
60
250
3
1.0
1
0.25
14
22
33
K250-090U
0.090
0.18
60
250
3
1.0
1
0.5
10
20
31
K250-110U
0.110
0.22
60
250
3
1.0
1
1.1
6
12
16
K250-120
0.120
0.24
60
250
3
1.0
1
1.2
5
10
14
K250-120U
0.120
0.24
60
250
3
1.0
1
1.2
6
11
16
K250-145U
0.145
0.29
60
250
3
1.0
1
2.5
3.5
6.5
14
K250-180T
0.180
0.65
60
250
10
1.8
3
3.0
1.0
2.2
4
K250-180U
0.180
0.65
60
250
10
1.8
3
1.5
2
4
6
K250-200U
0.200
0.40
60
250
10
2.4
3
5.0
3
6
9
K250-400U
0.400
0.80
60
250
10
2.8
3
8.0
1
3
6
K250-600U
0.600
1.20
60
250
10
3.2
3
12.0
0.6
2
5
K250-800U
0.800
1.60
60
250
10
3.6
5
18.0
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 Interrupt
Maximum 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.
Thermal Derating Chart-IH(A)
Part number
Maximum ambidnt operating temperatures(℃)
-40
-20
0
25
40
50
60
70
80
K250-040U
0.060
0.053
0.047
0.040
0.034
0.031
0.027
0.024
0.019
K250-060U
0.090
0.080
0.070
0.060
0.050
0.046
0.041
0.036
0.029
K250-080U
0.124
0.110
0.095
0.080
0.066
0.059
0.051
0.044
0.033
K250-110U
0.171
0.151
0.131
0.110
0.091
0.081
0.071
0.061
0.046
K250-120/120U
0.191
0.170
0.148
0.120
0.104
0.093
0.082
0.071
0.055
K250-145U
0.225
0.199
0.172
0.145
0.119
0.106
0.093
0.080
0.060
K250-180T/180U
0.269
0.240
0.211
0.180
0.153
0.138
0.123
0.109
0.087
K250-200U
0.300
0.266
0.234
0.200
0.170
0.154
0.136
0.120
0.096
K250-400U
0.600
0.532
0.468
0.400
0.340
0.308
0.272
0.240
0.192
K250-600U
0.900
0.798
0.702
0.600
0.510
0.462
0.408
0.360
0.288
K250-800U
1.200
1.064
0.936
0.800
0.680
0.616
0.544
0.480
0.384
REV.2015.02.01
02 | www.spsemi.cn
PPTC/K250 Series
Thermal Derating Curve
Typical Time-To-Trip at 25°C
Average Time Current Curves
1000
180.0
160.0
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
K250080T/080U
100
TIME IN SECONDS
Percentage of Derated
Current
Derating Curves for K250 Series
K250110U/120UT
/120T
10
K250120/120U
1
K250145/145U
0.1
-40
-20
0
20
40
60
K250-180
80
0.01
Temperature (°C)
0
1
2
3
CURRENT IN AMPERES
Package Information
Bulk:
K250-040~180
1000pcs per bag
K250-200~600
500pcs per bag
K250-800
200pcs per bag
REV.2015.02.01
03 | www.spsemi.cn