This part is a kind of semiconductor called TM0165.

Function of this product has Off-line switching power supply current mode control circuit.

Manufacturers : Titan Micro Electronics

Image and pinout :

Some of the text within the PDF file :

¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ DRAIN 650V POWER MOS ISENCE SENSE POWERMOS ©Titan Micro Electronics SC VFB ISENSE DRAIN 18 27 36 45 TM0165R GND VCC NC DRAIN www.titanmec.com -1- ©Titan Micro Electronics www.titanmec.com -2- ©Titan Micro Electronics www.titanmec.com -3- : E20/10/6; N27 : 0.5mm Al = 103nH Lp = 692uH : ©Titan Micro Electronics www.titanmec.com -4- 41 + 41 11 5 Ø 0.25 mm Ø 0.25 mm 2 x Ø0,80 mm with triple Insulation ©Titan Micro Electronics www.titanmec.com -5- ©Titan Micro Electronics www.titanmec.com -6- VDS FOSC RDSon 1) 230VAC±15% 2) 85-265 VAC 3) 1) typ @ T=25°C 2) Ta=75°C, Tj=125°C PCB 3) = 6cm² ©Titan Micro Electronics www.titanmec.com -7- z ©Titan Micro Electronics www.titanmec.com -8- [ ... ]

TM0165 PDF Datasheet Download