For POE power, the international IEEE 802.3 standard description and two power methods
IEEE 802.3af Power classification of PSE and PD
| Use | Lowest Power Output Level On PSE | Maximum power level on flashlight equipment |
| Default | 15.4W | 0.44 to 12.95 W |
| Optional | 4.0W | 0.44 to 3.84 W |
| Optional | 7.0W | 3.84 to 6.49 W |
| Optional | 15.4W | 6.49 to 12.95 W |
YINT's P0640SCL+PPTC POE Protection Power Devices.
Note: The selection of PPTC should be based on IEEE 802.3 standards.
Effect on TVS diode and TSS thyristor:
