| PartNumber | FZTA42TA | FZTA14TA | FZTA42TC |
| Description | Darlington Transistors NPN High Voltage Darlington | Darlington Transistors NPN Darlington | Darlington Transistors NPN High Voltage |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Category | Darlington Transistors | Darlington Transistors | Darlington Transistors |
| RoHS | Y | Y | Y |
| Configuration | Single | Single Dual Collector | - |
| Transistor Polarity | NPN | NPN | NPN |
| Collector Emitter Voltage VCEO Max | 300 V | 30 V | 300 V |
| Emitter Base Voltage VEBO | 5 V | 10 V | 5 V |
| Collector Base Voltage VCBO | 300 V | 30 V | 300 V |
| Maximum DC Collector Current | 500 mA | 1 A | 0.5 A |
| Pd Power Dissipation | 2 W | 2 W | 2 W |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-223 | SOT-223 | SOT-223 |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | FZTA42 | FZTA14 | FZTA42 |
| Packaging | Reel | Reel | Reel |
| DC Current Gain hFE Max | 25 | 10000 | 25 |
| Height | 1.65 mm | 1.6 mm | - |
| Length | 6.7 mm | 6.5 mm | - |
| Width | 3.7 mm | 3.5 mm | - |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| DC Collector/Base Gain hfe Min | 25 at 2 mA, 10 V | 10000 at 10 mA at 5 V, 20000 at 100 mA at 5 V, 5000 at 1 A at 5 V | - |
| Gain Bandwidth Product fT | 50 MHz | - | 50 MHz |
| Product Type | Darlington Transistors | Darlington Transistors | Darlington Transistors |
| Factory Pack Quantity | 1000 | 1000 | 4000 |
| Subcategory | Transistors | Transistors | Transistors |
| Unit Weight | 0.003951 oz | 0.003951 oz | 0.003951 oz |
| Maximum Collector Cut off Current | - | 0.1 uA | - |
| Continuous Collector Current | - | 1 A | - |