| PartNumber | 2N6545 | 2N6547 | 2N6543 |
| Description | Bipolar Transistors - BJT NPN Power SW | Bipolar Transistors - BJT NPN 850Vcev 450Vcex 400Vceo 175W Trans | Bipolar Transistors - BJT NPN Power SW |
| Manufacturer | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | - | Through Hole |
| Package / Case | TO-3-2 | TO-3-2 | TO-3-2 |
| Transistor Polarity | NPN | - | NPN |
| Collector Emitter Voltage VCEO Max | 400 V | - | 400 V |
| Collector Base Voltage VCBO | 850 V | - | 850 V |
| Emitter Base Voltage VEBO | 9 V | - | - |
| Collector Emitter Saturation Voltage | 5 V | - | 1 V |
| Maximum DC Collector Current | 8 A | - | 5 A |
| Gain Bandwidth Product fT | 28 MHz | - | 6 MHz |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 200 C | - | - |
| Series | 2N6545 | 2N6547 | 2N6543 |
| Packaging | Tube | Bulk | Tube |
| Brand | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| DC Collector/Base Gain hfe Min | 7 at 5 A, 3 V | - | 7 at 3 A |
| Pd Power Dissipation | 125 W | - | 100 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 20 | 20 | 20 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | 2N6545 PBFREE | 2N6547 PBFREE | 2N6543 PBFREE |
| Unit Weight | 0.225789 oz | 0.412705 oz | 0.225789 oz |
| Continuous Collector Current | - | - | 0.45 A |