| PartNumber | CMPTA42E TR | CMPTA42 TR | CMPTA44 TR |
| Description | Bipolar Transistors - BJT NPN Enhanced High Voltage | Bipolar Transistors - BJT NPN GP | Bipolar Transistors - BJT NPN High Voltage |
| Manufacturer | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | SOT-23 | SOT-23-3 | SOT-23 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 350 V | 350 V | 400 V |
| Collector Base Voltage VCBO | 350 V | 350 V | 450 V |
| Emitter Base Voltage VEBO | 6 V | 6 V | 6 V |
| Collector Emitter Saturation Voltage | 125 mV | 125 mV | 750 mV |
| Maximum DC Collector Current | 500 mA | 500 mA | 300 mA |
| Gain Bandwidth Product fT | 50 MHz | 50 MHz | 20 MHz |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | CMPTA42 | CMPTA42 | CMPTA44 |
| DC Current Gain hFE Max | 110 | - | - |
| Packaging | Reel | Reel | Reel |
| Brand | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| Continuous Collector Current | 500 mA | - | - |
| DC Collector/Base Gain hfe Min | 50 at 1 mA, 10 V | 50 at 1 mA, 10 V | 20 at 100 mA, 10 V |
| Pd Power Dissipation | 350 mW | 350 mW | 350 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | CMPTA42E PBFREE TR | - | CMPTA44 PBFREE TR |
| Unit Weight | 0.000282 oz | 0.000282 oz | 0.000282 oz |
| Height | - | 0.96 mm | 0.96 mm |
| Length | - | 3.05 mm | 3.05 mm |
| Width | - | 1.4 mm | 1.4 mm |