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| Part Number | BFU550R | BFU520R | BFU530R | BFU550AR | 
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | 
| Product Status | Active | Active | Active | Active | 
| Transistor Type | NPN | NPN | NPN | NPN | 
| Voltage - Collector Emitter Breakdown (Max) | 12V | 12V | 12V | 12V | 
| Frequency - Transition | 11GHz | 10.5GHz | 11GHz | 11GHz | 
| Noise Figure (dB Typ @ f) | 0.7dB @ 900MHz | 0.65dB @ 900MHz | 0.6dB @ 900MHz | 0.6dB @ 900MHz | 
| Gain | 21dB | 20dB | 21.5dB | 18dB | 
| Power - Max | 450mW | 450mW | 450mW | 450mW | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 60 @ 15mA, 8V | 60 @ 5mA, 8V | 60 @ 10mA, 8V | 60 @ 15mA, 8V | 
| Current - Collector (Ic) (Max) | 50mA | 30mA | 40mA | 50mA | 
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-253-4, TO-253AA | TO-253-4, TO-253AA | TO-253-4, TO-253AA | TO-236-3, SC-59, SOT-23-3 | 
| Supplier Device Package | SOT-143B | SOT-143B | SOT-143B | SOT-23 (TO-236AB) |