| PartNumber | ZTX601ASTOB | ZTX601ASTOA | ZTX601A |
| Description | Darlington Transistors NPN Darlington | Darlington Transistors NPN Darlington | TRANS NPN DARL 160V 1A E-LINE |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | - |
| Product Category | Darlington Transistors | Darlington Transistors | - |
| RoHS | Y | Y | - |
| Configuration | Single | Single | - |
| Transistor Polarity | NPN | NPN | - |
| Collector Emitter Voltage VCEO Max | 160 V | 160 V | - |
| Emitter Base Voltage VEBO | 10 V | 10 V | - |
| Collector Base Voltage VCBO | 180 V | 180 V | - |
| Maximum DC Collector Current | 1 A | 1 A | - |
| Maximum Collector Cut off Current | 0.01 uA | 0.01 uA | - |
| Pd Power Dissipation | 1 W | 1 W | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92 | TO-92 | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Packaging | Bulk | Bulk | - |
| DC Current Gain hFE Max | 1000 | 1000 | - |
| Height | 4.01 mm | 4.01 mm | - |
| Length | 4.77 mm | 4.77 mm | - |
| Width | 2.41 mm | 2.41 mm | - |
| Brand | Diodes Incorporated | Diodes Incorporated | - |
| Continuous Collector Current | 1 A | 1 A | - |
| Product Type | Darlington Transistors | Darlington Transistors | - |
| Factory Pack Quantity | 4000 | 4000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.016000 oz | 0.016000 oz | - |