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| Part Number | MRF545 | MRF555 | MRF544 |
|---|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation |
| Product Status | Obsolete | Obsolete | Obsolete |
| Transistor Type | PNP | NPN | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 70V | 16V | 70V |
| Frequency - Transition | 1GHz ~ 1.4GHz | - | 1.5GHz |
| Noise Figure (dB Typ @ f) | - | - | - |
| Gain | 14dB | 11dB ~ 13dB | 13.5dB |
| Power - Max | 3.5W | 3W | 3.5W |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 15 @ 50mA, 6V | 30 @ 250mA, 5V | 15 @ 50mA, 6V |
| Current - Collector (Ic) (Max) | 400mA | 500mA | 400mA |
| Operating Temperature | - | - | - |
| Mounting Type | Through Hole | Surface Mount | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can | Power Macro | TO-39 |
| Supplier Device Package | TO-39 | Power Macro | TO-39 |
