Small Size Strap type Axial leaded PTC Resettable Fuse for Battery
Packs JK-M SERIES
Product Information
The JK M Seris axial leaded type resettable pptc thermal fuse
highest current can be reach 10Amp, which operation current can be
from 1.2A to 10A. Maximum Voltage is 10Vdc ,Operating Temperature:-40℃ TO 85℃ .Lead is free by customize.
Features
◇ Lower power consumption by lower resistance
◆ The miniaturized PTC elements leads a flexible design around
battery
◆ Typical used for protection of Li-ion /Polymer Li-ion battery
◇ Lead-free
◆ Halogen free
◇ Agency recognition:UL,CSA,TUV
1. Electrical parameters
| Model | IH | IT | Vmax | Imax | Pd | Maximum Time-to-trip | Rmin | Rmax | R1max |
| (A) | (A) | (V) | (A) | (W) | Current(A) | Time(S) | (Ω) | (Ω) | (Ω) |
| JK-M120 | 1.20 | 3.50 | 10 | 50 | 1.00 | 6.0 | 5.0 | 0.015 | 0.035 | 0.070 |
| JK-M140 | 1.40 | 3.60 | 10 | 50 | 1.00 | 7.0 | 5.0 | 0.010 | 0.020 | 0.040 |
| JK-M175 | 1.75 | 4.30 | 10 | 50 | 1.00 | 8.75 | 5.0 | 0.009 | 0.018 | 0.036 |
| JK-M190 | 1.90 | 4.90 | 10 | 50 | 1.00 | 9.50 | 3.0 | 0.007 | 0.014 | 0.028 |
| JK-M210 | 2.10 | 5.60 | 10 | 50 | 1.00 | 10.50 | 3.0 | 0.007 | 0.014 | 0.028 |
| JK-M260 | 2.60 | 6.00 | 10 | 50 | 1.00 | 13.00 | 3.0 | 0.006 | 0.014 | 0.028 |
| JK-M270 | 2.70 | 6.20 | 10 | 50 | 1.00 | 13.50 | 3.0 | 0.006 | 0.014 | 0.028 |
| JK-M300 | 3.00 | 8.00 | 10 | 50 | 1.30 | 15.00 | 3.0 | 0.005 | 0.013 | 0.026 |
| JK-M350 | 3.50 | 8.80 | 10 | 50 | 1.30 | 17.50 | 3.0 | 0.005 | 0.013 | 0.026 |
| JK-M370 | 3.70 | 9.00 | 10 | 50 | 1.30 | 18.50 | 5.0 | 0.005 | 0.013 | 0.026 |
| JK-M400 | 4.00 | 9.60 | 10 | 50 | 1.50 | 20.00 | 5.0 | 0.004 | 0.012 | 0.024 |
| JK-M430 | 4.30 | 10.00 | 10 | 50 | 1.50 | 21.50 | 5.0 | 0.004 | 0.012 | 0.024 |
| JK-M450 | 4.50 | 10.80 | 10 | 50 | 1.50 | 22.50 | 5.0 | 0.004 | 0.012 | 0.024 |
| JK-M500 | 5.00 | 12.00 | 10 | 50 | 1.50 | 25.00 | 5.0 | 0.003 | 0.011 | 0.022 |
| JK-M550 | 5.50 | 13.00 | 10 | 50 | 1.50 | 27.50 | 5.0 | 0.003 | 0.011 | 0.022 |
| JK-M600 | 6.00 | 13.00 | 10 | 50 | 1.50 | 30.00 | 5.0 | 0.003 | 0.009 | 0.018 |
| JK-M650 | 6.50 | 13.00 | 10 | 50 | 1.50 | 32.50 | 5.0 | 0.002 | 0.008 | 0.016 |
| JK-M700 | 7.00 | 14.00 | 10 | 50 | 1.50 | 35.00 | 5.0 | 0.002 | 0.007 | 0.015 |
| JK-M730 | 7.30 | 15.00 | 10 | 50 | 1.50 | 36.50 | 5.0 | 0.002 | 0.007 | 0.014 |
| JK-M800 | 8.00 | 17.00 | 10 | 50 | 1.50 | 40.00 | 5.0 | 0.002 | 0.005 | 0.010 |
| JK-M850 | 8.50 | 17.50 | 10 | 50 | 1.50 | 42.00 | 5.0 | 0.002 | 0.005 | 0.010 |
| JK-M900 | 9.00 | 18.00 | 10 | 50 | 1.50 | 45.00 | 5.0 | 0.002 | 0.005 | 0.010 |
| JK-M950 | 9.50 | 19.00 | 10 | 50 | 1.50 | 47.50 | 5.0 | 0.002 | 0.004 | 0.010 |
| JK-M1000 | 10.00 | 20.00 | 10 | 50 | 1.50 | 50.00 | 5.0 | 0.001 | 0.004 | 0.010 |
IH=Hold current:maximumcurrent at which the device will not trip at
25℃ still air.
IT=Trip current:minimumcurrent at which the device will nalways at
25℃ still air.
Vmax=Maximum voltagedevice can withstand without damage at rated
current.
Imax=Maximum faultcurrent device can withstand tithout damage at rated
voltage.
Ttrip=Maximum time totrip(s) at assigned current.
Pd=Typical powerdissipation:typical amount of power dissipated by the
decice when in state airenvironment.
Rmin=Minimum deviceresistance at 25℃ prior to tripping.
Rmax=Maximum deviceresistance at 25℃ prior to tripping.
2. Dimension Details
| Model | A | B | C | D | E |
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max |
| JK-M120 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M140 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M175 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M190 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M210 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M260 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M270 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M300 | 13 | 15 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M350 | 14.5 | 17 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M370 | 14.5 | 17 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M400 | 14.5 | 17 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M430 | 14.5 | 17 | 3.0 | 3.6 | 0.6 | 1.0 | 3.5 | 5.5 | 2.2 | 2.4 |
| JK-M450 | 21.5 | 23.3 | 3.50 | 3.90 | 0.55 | 1.0 | 4.5 | 6.5 | 2.2 | 2.4 |
| JK-M500 | 21.5 | 23.3 | 3.50 | 3.90 | 0.55 | 1.0 | 4.5 | 6.5 | 2.2 | 2.4 |
| JK-M550 | 21.5 | 23.3 | 3.50 | 3.90 | 0.55 | 1.0 | 4.5 | 6.5 | 2.2 | 2.4 |
| JK-M600 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M650 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M700 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M730 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M800 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M850 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M900 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M950 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
| JK-M1000 | 20.9 | 23.1 | 4.6 | 5.5 | 0.60 | 1.00 | 4.0 | 6.0 | 3.8 | 4.2 |
3. Thermal Derating Chart-IH(A)
| Model | Maximum ambient operating temperature(℃) |
| -40 | -20 | 0 | 25 | 40 | 50 | 60 | 70 |
| JK-M120 | 2.00 | 1.80 | 1.55 | 1.20 | 1.00 | 0.85 | 0.70 | 0.55 |
| JK-M140 | 2.40 | 2.10 | 1.80 | 1.40 | 1.14 | 0.97 | 0.80 | 0.63 |
| JK-M175 | 3.10 | 2.65 | 2.25 | 1.75 | 1.40 | 1.25 | 1.05 | 0.85 |
| JK-M190 | 3.60 | 3.10 | 2.60 | 1.90 | 1.60 | 1.30 | 1.20 | 1.00 |
| JK-M210 | 3.60 | 3.20 | 2.80 | 2.10 | 1.84 | 1.40 | 1.34 | 1.10 |
| JK-M260 | 4.50 | 3.95 | 3.35 | 2.60 | 2.15 | 1.85 | 1.70 | 1.15 |
| JK-M270 | 4.60 | 4.00 | 3.40 | 2.70 | 2.20 | 1.90 | 1.60 | 1.30 |
| JK-M300 | 5.20 | 4.50 | 3.85 | 3.00 | 2.45 | 2.10 | 1.75 | 1.40 |
| JK-M350 | 5.90 | 5.20 | 4.50 | 3.50 | 2.80 | 2.40 | 2.00 | 1.60 |
| JK-M370 | 6.10 | 5.40 | 4.70 | 3.70 | 3.00 | 2.50 | 2.10 | 1.70 |
| JK-M400 | 6.20 | 5.50 | 4.80 | 4.00 | 3.30 | 2.80 | 2.50 | 2.00 |
| JK-M430 | 6.30 | 5.60 | 4.90 | 4.30 | 3.50 | 3.00 | 2.70 | 2.20 |
| JK-M450 | 6.40 | 5.70 | 5.05 | 4.50 | 4.05 | 3.70 | 3.40 | 3.05 |
| JK-M500 | 6.95 | 6.20 | 5.60 | 5.00 | 4.50 | 4.10 | 3.80 | 3.40 |
| JK-M550 | 7.60 | 6.80 | 6.15 | 5.50 | 4.95 | 4.50 | 4.25 | 3.85 |
| JK-M600 | 8.25 | 7.40 | 6.65 | 6.00 | 5.40 | 5.00 | 4.70 | 4.30 |
| JK-M650 | 8.90 | 8.05 | 7.20 | 6.50 | 5.80 | 5.45 | 5.10 | 4.70 |
| JK-M700 | 9.60 | 8.70 | 7.70 | 7.00 | 6.20 | 5.80 | 5.40 | 5.05 |
| JK-M730 | 9.85 | 9.00 | 8.00 | 7.30 | 6.45 | 6.05 | 5.65 | 5.25 |
| JK-M800 | 10.40 | 9.80 | 8.80 | 8.00 | 7.00 | 6.60 | 6.20 | 5.80 |
| JK-M850 | 11.25 | 10.40 | 9.40 | 8.50 | 7.50 | 7.00 | 6.75 | 6.10 |
| JK-M900 | 12.10 | 11.00 | 9.95 | 9.00 | 7.95 | 7.40 | 6.90 | 6.40 |
| JK-M950 | 12.60 | 11.50 | 10.0 | 9.50 | 8.40 | 7.90 | 7.25 | 6.75 |
| JK-M1000 | 13.15 | 12.00 | 11.00 | 10.00 | 8.90 | 8.40 | 7.65 | 7.10 |
Product Application
This type Resettable Fuse JK-P SERIES is a protection device for NiCd/NiMH rechargesble battery
packs,Li-ion/Polymer Li-ion battery,which are widely used in Portable media player battery packs;digital camera
battery packs;Computer battery packs;Mobile radio battery
packs;Tablet PC battery packs,etc.
