| Part Number | BC557B | BC557C |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Diotec Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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|
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| Product Status | Obsolete | Active |
| Transistor Type | PNP | - |
| Current - Collector (Ic) (Max) | 100 mA | - |
| Voltage - Collector Emitter Breakdown (Max) | 45 V | 45 V |
| Vce Saturation (Max) @ Ib, Ic | 650mV @ 5mA, 100mA | - |
| Current - Collector Cutoff (Max) | 100nA | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 180 @ 2mA, 5V | - |
| Power - Max | 625 mW | - |
| Frequency - Transition | 320MHz | 100MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | - |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92 (TO-226) | - |