| PartNumber | BC549BTA | BC549BTF | BC549B |
| Description | Bipolar Transistors - BJT NPN 30V 100mA HFE/450 | Bipolar Transistors - BJT NPN Si Transistor Epitaxial | Bipolar Transistors - BJT NPN 30V 100mA HFE/45 |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-92-3 Kinked Lead | TO-92-3 Kinked Lead | TO-92-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 30 V | 30 V | 30 V |
| Collector Base Voltage VCBO | 30 V | 30 V | 30 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Collector Emitter Saturation Voltage | 250 mV | 250 mV | 250 mV |
| Maximum DC Collector Current | 0.1 A | 0.1 A | 0.1 A |
| 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 |
| Series | BC549 | BC549 | BC549 |
| Height | 5.33 mm | 5.33 mm | 5.33 mm |
| Length | 5.2 mm | 5.2 mm | 5.2 mm |
| Packaging | Ammo Pack | Reel | Bulk |
| Width | 4.19 mm | 4.19 mm | 4.19 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Continuous Collector Current | 0.1 A | 0.1 A | 0.1 A |
| Pd Power Dissipation | 500 mW | 500 mW | 500 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | BC549BTA_NL | - | - |
| Unit Weight | 0.008466 oz | 0.008466 oz | 0.007055 oz |