Product Code: BC557B Manufacturer: TOSHIBA Semiconductors Product Type: PNP Amplifier Transistor / General Purpose Mounting: Through-hole Product Series: BC55xx
From 0,0700 
Product Code: BD139 Manufacturer: Philips Semiconductors Product Type: NPN Power transistor General Purpose Mounting: Through-hole Product Series: BD13x
From 0,1980 
Brand Manufacturer: MINFCN Dimensions: 6mm x 6mm Stem Length: 5.0mm Actuator: Momentary DC Rating: 50mA @ 12Vdc Mounting: Through-Hole Mount Actuator Style: Round Button Packaging: Bulk
From 0,0280 
Brand Manufacturer: MINFCN Dimensions: 6mm x 6mm Stem Length: 15mm Actuator: Momentary DC Rating: 50mA @ 12Vdc Mounting: Through-Hole Mount Actuator Style: Round Button Packaging: Bulk
From 0,0289 
Brand Manufacturer: MINFCN Dimensions: 12mm x 12mm Stem Length: 7.3mm Actuator: Momentary DC Rating: 50mA @ 12Vdc Mounting: Through-Hole Mount Actuator Style: Square Button Packaging: Bulk
From 0,0430 
Brand Manufacturer: MINFCN Dimensions: 6mm x 6mm Stem Length: 4.3mm Actuator: Momentary DC Rating: 50mA @ 12Vdc Mounting: Through-Hole Mount Actuator Style: Round Button Packaging: Bulk
From 0,0280