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| PartNumber | FZT591AQTA | FZT591ATA | FZT591A |
| Description | Bipolar Transistors - BJT Pwr Mid Perf Transistor SOT223 T&R 1K | Bipolar Transistors - BJT PNP Medium Power | |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| Technology | Si | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-223-3 | SOT-223-4 | - |
| Transistor Polarity | PNP | PNP | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | - 40 V | - 40 V | - |
| Collector Base Voltage VCBO | - 40 V | - 40 V | - |
| Emitter Base Voltage VEBO | - 7 V | - 7 V | - |
| Collector Emitter Saturation Voltage | - 0.5 V | - 500 mV | - |
| Maximum DC Collector Current | - 1 A | - 1 A | - |
| Gain Bandwidth Product fT | 150 MHz | 150 MHz | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | FZT591AQ | FZT591 | - |
| DC Current Gain hFE Max | 800 | 300 | - |
| Packaging | Reel | Reel | - |
| Brand | Diodes Incorporated | Diodes Incorporated | - |
| Continuous Collector Current | - 1 A | - 1 A | - |
| DC Collector/Base Gain hfe Min | 300 | 30 at 2 A, 5 V | - |
| Pd Power Dissipation | 3 W | 2 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.003951 oz | 0.003951 oz | - |
| RoHS | - | Y | - |
| Height | - | 1.65 mm | - |
| Length | - | 6.7 mm | - |
| Width | - | 3.7 mm | - |