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| PartNumber | MPSA28 | MPSA28G | MPSA28LF |
| Description | Darlington Transistors NPN Darlington | Darlington Transistors 500mA 80V NPN | |
| Manufacturer | Central Semiconductor | ON Semiconductor | - |
| Product Category | Darlington Transistors | Darlington Transistors | - |
| RoHS | Y | Y | - |
| Configuration | Single | Single | - |
| Transistor Polarity | NPN | NPN | - |
| Collector Emitter Voltage VCEO Max | 80 V | 80 V | - |
| Emitter Base Voltage VEBO | 12 V | 12 V | - |
| Collector Base Voltage VCBO | 80 V | 80 V | - |
| Maximum Collector Cut off Current | 0.1 uA | 0.1 uA | - |
| Pd Power Dissipation | 625 mW | 625 mW | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92 | TO-92-3 (TO-226) | - |
| Series | MPSA | - | - |
| Packaging | Bulk | Bulk | - |
| Height | 5.33 mm | 5.33 mm | - |
| Length | 5.21 mm | 5.2 mm | - |
| Width | 4.19 mm | 4.19 mm | - |
| Brand | Central Semiconductor | ON Semiconductor | - |
| Continuous Collector Current | 0.1 A | 0.5 A | - |
| DC Collector/Base Gain hfe Min | 10000 | 10000 | - |
| Product Type | Darlington Transistors | Darlington Transistors | - |
| Factory Pack Quantity | 2500 | 5000 | - |
| Subcategory | Transistors | Transistors | - |
| Part # Aliases | MPSA28 PBFREE | - | - |
| Unit Weight | 0.007055 oz | - | - |
| Maximum DC Collector Current | - | 0.5 A | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Maximum Operating Temperature | - | + 150 C | - |