The BC557 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the collector, base, and emitter leads.
5Pcs BC557 Transistor
- Collector-Emitter Volt (Vceo): 45V
- Collector Current (Ic): 0.1A
- hfe: 120-800 @ 2mA
- Power Dissipation (Ptot): 625mW
- Current-Gain-Bandwidth (ftotal): 320MHz
- Type: PNP