Can I use a AOLITTEL PPTC device for overtemperature control?

August 26, 2024

Latest company news about Can I use a AOLITTEL PPTC device for overtemperature control?

Although primarily intended as an overcurrent protection device, many devices have been successfully used to prevent overtemperature conditions as well. A good example of this is our D product family which allows battery pack designers to eliminate thermal devices from some designs due to the low activation temperature of this product family.

 

Example- JK130 series Electrical Characteristic

 

Model Ihold(A) Itrip(mA) Vmax interrupt(V) Imax(A) Pd max(W) Maximum Time to Trip Resistance(Ω)
Current (A) Time(S) Rmin- Rmax
JK130-010 0.10 0.20 130 3 0.8 0.5 6 2.5-9.0
JK130-015 0.15 0.30 130 3 0.8 0.75 5.5 2.5-7.5
JK130-017 0.17 0.34 130 3 0.8 0.85 5.2 1.5-7.0
JK130-020 0.20 0.40 130 3 0.8 1.0 5.0 1.9-4.0
JK130-025 0.25 0.50 130 3 1.0 1.25 4.8 1.45-3.50
JK130-030 0.30 0.60 130 3 1.0 1.5 4.5 1.0-3.0
JK130-040 0.40 0.80 130 3 1.0 2.0 4.5 0.75-2.0
JK130-050 0.50 1.0 130 3 1.0 2.5 5.0 0.50-1.60
JK130-065 0.65 1.3 130 10 1.0 3.25 5.2 0.45-1.0
JK130-075 0.75 1.5 130 10 1.0 3.75 5.5 0.40-0.90
JK130-090 0.90 1.8 130 10 1.5 4.5 5.8 0.30-0.70
JK130-110 1.10 2.2 130 10 1.8 5.5 6.3 0.20-0.65
JK130-135 1.35 2.7 130 10 1.8 6.75 7.5 0.15-0.60
JK130-160 1.60 3.2 130 10 2.0 8.0 8 0.10-0.50
JK130-185 1.85 3.7 130 10 2.0 9.25 9 0.10-0.40
JK130-200 2.00 4.0 130 10 2.2 10.0 10 0.10-0.30
JK130-250 2.50 5.0 130 10 2.5 12.5 12 0.05-0.25

 

 

IH=Hold current:maximum current at whichthe device will not trip at 25℃ still air.

IT=Tripcurrent:minimum current at which the device will nalways at 25℃ still air.

Vmax=Maximum voltage devicecan 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.

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