| PartNumber | BC546A | BC546ABU | BC546ATA |
| Description | Bipolar Transistors - BJT NPN Trans 80Vcbo 50Vces 45Vceo 500mW | Bipolar Transistors - BJT NPN 65V 100mA HFE/220 | Bipolar Transistors - BJT NPN 65V 100mA HFE/220 |
| Manufacturer | Central Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Technology | Si | - | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-92-3 | TO-92-3 | TO-92-3 Kinked Lead |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 65 V | 65 V | 65 V |
| Collector Base Voltage VCBO | 80 V | 80 V | 80 V |
| Emitter Base Voltage VEBO | 6 V | 6 V | 6 V |
| Collector Emitter Saturation Voltage | 250 mV | 250 mV | 250 mV |
| Gain Bandwidth Product fT | 300 MHz | 300 MHz | 300 MHz |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Bulk | Bulk | Ammo Pack |
| Brand | Central Semiconductor | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Continuous Collector Current | 100 mA | 0.1 A | 0.1 A |
| DC Collector/Base Gain hfe Min | 110 | - | - |
| Pd Power Dissipation | 500 mW | 500 mW | 500 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2000 | 10000 | 2000 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | BC546A PBFREE | - | - |
| Unit Weight | 0.007266 oz | 0.006314 oz | 0.008466 oz |
| Maximum DC Collector Current | - | 0.1 A | 0.1 A |
| Series | - | BC546 | BC546 |
| Height | - | 5.33 mm | 5.33 mm |
| Length | - | 5.2 mm | 5.2 mm |
| Width | - | 4.19 mm | 4.19 mm |