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