181-1880, onsemi, onsemi FPAB20BH60B, Power Factor Pre-Regulator Circuit, 20 kHz, 253 Vrms 27-Pin, SPMIC, Brand onsemi, Maximum Switching Frequency 20 kHz, IC Type Power Factor Pre-Regulator Circuit IC onsemi FPAB20BH60B, Power Factor Pre-Regulator Circuit, 20 kHz, 253 Vrms 27-Pin, SPMIC