| PartNumber | ZTX649STZ | ZTX649STOB | ZTX649STOA |
| Description | Bipolar Transistors - BJT NPN Super E-Line | Bipolar Transistors - BJT NPN Super E-Line | TRANS NPN 25V 2A E-LINE |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92-3 | TO-92-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 25 V | 25 V | - |
| Collector Base Voltage VCBO | 35 V | 35 V | - |
| Emitter Base Voltage VEBO | 5 V | 5 V | - |
| Collector Emitter Saturation Voltage | 0.23 V | - | - |
| Maximum DC Collector Current | 2 A | 2 A | - |
| Gain Bandwidth Product fT | 240 MHz | 240 MHz | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | ZTX649 | - | - |
| Height | 4.01 mm | 4.01 mm | - |
| Length | 4.77 mm | 4.77 mm | - |
| Packaging | Bulk | Bulk | - |
| Width | 2.41 mm | 2.41 mm | - |
| Brand | Diodes Incorporated | Diodes Incorporated | - |
| Continuous Collector Current | 2 A | 2 A | - |
| Pd Power Dissipation | 1 W | 1 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 2000 | 4000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.016000 oz | 0.016000 oz | - |
| DC Current Gain hFE Max | - | 70 at 50 mA, 2 V | - |