LEADEMC ELECTRONICS CO., LTD.
Polymeric Positive Temperature Coefficient
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JK600 SERIES
FEATURE
Radial leaded Devices
Cured，flame retardant epoxy polymer insulating material meets UL94V-0 requirements
RoHS compliant and lead-free
THERMAL DERATING CHART-IH(A)
Model
Maximum ambient operating temperatures（℃）
-40℃ -20℃ 0℃ 25℃ 30℃ 40℃ 50℃ 60℃ 70℃ 85℃
JK-600 Series 147% 138% 119% 100% 92% 83% 73% 64% 55% 42%
ENVIRONMENTAL SPECIFICATIONS
Test Conditions Resistance change
Passive aging
+85℃，1000hrs
±8% typical
Humidity aging
+85℃，85%R.H.1000hrs
±8% typical
Thermal shock
+125℃ to -55℃，10times
±12% typical
Resistance to solvent
MIL-STD-202，Method 215
No change
Vibration
MIL-STD-202，Method 201
No change
MARKING
JK
XX
XXX
IHOLD
VMAX
JK Series Production
LEADEMC ELECTRONICS CO., LTD.
Polymeric Positive Temperature Coefficient
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JK600 SERIES
ELECTRICAL CHARACTERISTICS
Part Number
IH IT Vmax Imax
Max.
Time-to-trip
PdTyp RMin RMax
（A） （A） （V） （A） （A） （S） （W） （Ω） （Ω）
JK600-110U
0.11
0.22 600
3
1.0
8
1.0 6 16
JK600-150U
0.15
0.30 600
3
1.0
9
1.0 5 14
JK600-160U
0.16
0.32 600
3
1.0 10 1.0 4 12
I
H
= Hold Current. Maximum current device will not trip in 25°C still air.
I
T
= Trip Current. Minimum current at which the device will always trip in 25°C still air.
V
max
= Maximum operating voltage device can withstand without damage at rated current (Imax).
I
max
= Maximum fault current device can withstand without damage at rated voltage (V max).
T
trip
= Maximum time to trip at assigned current.
Pd
typ
= Typical power dissipation when device is in the tripped state in 25°C still air environment at rated voltage
R
min
= Minimum device resistance at 25℃ prior to tripping.
R
max
= Maximum device resistance at 25℃ prior to tripping.
1000
100
10
1
0.1
0.01
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00
A
B
A
B
Fault Current (A)
Time-to-trip (S)