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| PartNumber | MMST6427-7-F | MMST6427-7 | MMST6428 |
| Description | Darlington Transistors NPN BIPOLAR | Darlington Transistors NPN BIPOLAR | |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | - |
| Product Category | Darlington Transistors | Darlington Transistors | - |
| RoHS | Y | N | - |
| Configuration | Single | Single | - |
| Transistor Polarity | NPN | NPN | - |
| Collector Emitter Voltage VCEO Max | 40 V | 40 V | - |
| Emitter Base Voltage VEBO | 12 V | 12 V | - |
| Collector Base Voltage VCBO | 40 V | 40 V | - |
| Maximum DC Collector Current | 0.5 A | 0.5 A | - |
| Maximum Collector Cut off Current | 0.05 uA | 0.05 uA | - |
| Pd Power Dissipation | 200 mW | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-323-3 | SOT-323 | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | MMST64 | MMST6427 | - |
| Packaging | Reel | Reel | - |
| Height | 1 mm | 1 mm | - |
| Length | 2.2 mm | 2.2 mm | - |
| Width | 1.35 mm | 1.35 mm | - |
| Brand | Diodes Incorporated | Diodes Incorporated | - |
| Continuous Collector Current | 0.5 A | - | - |
| DC Collector/Base Gain hfe Min | 10000 | 10000, 20000, 14000 | - |
| Product Type | Darlington Transistors | Darlington Transistors | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.000176 oz | 0.000212 oz | - |