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| Part Number | 2SA1977-T1B-A | 2SA1978-T1B-A |
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Obsolete | Obsolete |
| Transistor Type | PNP | PNP |
| Voltage - Collector Emitter Breakdown (Max) | 12V | 12V |
| Frequency - Transition | 8.5GHz | 5.5GHz |
| Noise Figure (dB Typ @ f) | 1.5dB @ 1GHz | 2dB @ 1GHz |
| Gain | 12dB | 10dB |
| Power - Max | 200mW | 200mW |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 20 @ 20mA, 8V | 20 @ 15mA, 10V |
| Current - Collector (Ic) (Max) | 50mA | 50mA |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT23-3 (TO-236) | SOT23-3 (TO-236) |
