Resettable Fuse - PPTC DIP - 0.05A~3.75A / 72V Series
Description:
A Resettable fuse, also known as PPTC, polyfuse or polyswitch, is a passive electronic component used to protect against over-current faults in electronic circuits. They are very commonly used by hobbyists in their projects.
Technical Parameter:
| Model No | Resistance Range | |||||||||
| V max | Imax | I hold | I trip | Pd | Max.current/time to trip | Rimin | Rimax | R1max | ||
| (Vdc) | (A) | (A) | (A) | (W) | (A) | (Sec) | (W) | (W) | (W) | |
| A72-020 | 72 | 40 | 0.2 | 0.4 | 0.41 | 1 | 2.2 | 1.25 | 2.75 | 4.4 |
| A72-025 | 72 | 40 | 0.25 | 0.5 | 0.45 | 1.25 | 2.5 | 0.65 | 1.95 | 3 |
| A72-030 | 72 | 40 | 0.3 | 0.72 | 0.49 | 1.5 | 3 | 0.45 | 1.33 | 2.1 |
| A72-040 | 72 | 40 | 0.4 | 0.8 | 0.56 | 2 | 3.8 | 0.4 | 0.86 | 1.29 |
| A72-050 | 72 | 40 | 0.5 | 1 | 0.77 | 2.5 | 4 | 0.35 | 0.77 | 1.17 |
| A72-065 | 72 | 40 | 0.65 | 1.3 | 0.88 | 3.25 | 5.3 | 0.25 | 0.48 | 0.72 |
| A72-075 | 72 | 40 | 0.75 | 1.5 | 0.92 | 3.75 | 6.3 | 0.2 | 0.4 | 0.6 |
| A72-090 | 72 | 40 | 0.9 | 1.8 | 0.99 | 4.5 | 7.2 | 0.15 | 0.31 | 0.47 |
| A72-110 | 72 | 40 | 1.1 | 2.2 | 1.5 | 5.5 | 8.2 | 0.13 | 0.25 | 0.38 |
| A72-135 | 72 | 40 | 1.35 | 2.7 | 1.7 | 6.75 | 9.6 | 0.1 | 0.19 | 0.3 |
| A72-160 | 72 | 40 | 1.6 | 3.2 | 1.9 | 8 | 11.4 | 0.07 | 0.14 | 0.22 |
| A72-185 | 72 | 40 | 1.85 | 3.7 | 2.1 | 9.25 | 12.6 | 0.06 | 0.12 | 0.19 |
| A72-250 | 72 | 40 | 2.5 | 5 | 2.5 | 12.5 | 15.6 | 0.04 | 0.08 | 0.13 |
| A72-300 | 72 | 40 | 3 | 6 | 2.8 | 15 | 19.8 | 0.03 | 0.06 | 0.1 |
| A72-375 | 72 | 40 | 3.75 | 7.5 | 3.2 | 18.75 | 24 | 0.02 | 0.05 | 0.08 |
