This part is a kind of semiconductor called UL94V0.
Function of this product has Special Products.
Manufacturers : Littelfuse
Image and pinout :

Some of the text within the PDF file :
Special Products ATO™ Resistor Specifications Operating Temp.: –20°C to +85°C Resistor Value: Optional Power Rating: 1/4 W Max Body Material: Thermoplastic Term. Material: C.R.S. (Ni/Zn Plated) Term. Retention: 25 N ATO™ Diode Specifications Operating Temp.: –40°C to +85°C Diode Rating: 1.0 A Max P.I.V.: Optional Body Material: Thermoplastic Term. Material: C.R.S. (Ni/Zn Plated) Term. Retention: 25 N MINI™ Resistor Specifications Operating Temp.: –40°C to +85°C Resistor Value: Optional Power Rating: 1/4 Max Body Material: Thermoplastic Term. Material: C.R.S. (Ni/Zn Plated) Term. Retention: 25 N MINI™ Diode Specifications Operating Temp.: –40°C to +85°C Diode Rating: 1.0 A Max P.I.V.: Optional Body Material: Thermoplastic Term. Material: C.R.S. (Ni/Zn Plated) T [ ... ]
UL94V0 PDF Datasheet Download
