Common signs of LED drivers

author: Sona
1970-01-01
LV: Low voltage < 1000V
ELV: Extra low voltage
SELV: Safety extra-low voltage, voltage ≤ 50Vac or ≤ 120Vdc
FELV: Functional extra-low voltage
Ta:  Ambient temperature
Tc: Case temperature
EMC: Electro magnetic compatibility = Electromagnetic susceptibility + Electromagnetic immunity
IP: Ingress protection （Comsist of two numbers, the larger the number, the higher the protection level)
PF: Power factor
THD: Total harmonic distortion
                                                                           Suncom label

 

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