| Part Number | MRF555 | MRF555T | 
|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | 
| Category | Transistors - Bipolar (BJT) - RF | Transistors - Bipolar (BJT) - RF | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Transistor Type | NPN | NPN | 
| Voltage - Collector Emitter Breakdown (Max) | 16V | 16V | 
| Frequency - Transition | - | - | 
| Noise Figure (dB Typ @ f) | - | - | 
| Gain | 11dB ~ 13dB | 11dB ~ 12.5dB | 
| Power - Max | 3W | 3W | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 250mA, 5V | 50 @ 100mA, 5V | 
| Current - Collector (Ic) (Max) | 500mA | 500mA | 
| Operating Temperature | - | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | Power Macro | Power Macro | 
| Supplier Device Package | Power Macro | Power Macro |