| PartNumber | MPS6521 PBFREE | MPS6522 | MPS6521 |
| Description | Bipolar Transistors - BJT NPN 40Vcbo 25Vceo 4.0Vebo 100mA 625mW | Bipolar Transistors - BJT PNP Gen Pur SS | Bipolar Transistors - BJT NPN Gen Pur SS |
| Manufacturer | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | T | N |
| Technology | Si | - | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-92-3 | TO-92-3 | TO-92-3 |
| Transistor Polarity | NPN | PNP | NPN |
| Configuration | Single | - | - |
| Collector Emitter Voltage VCEO Max | 25 V | 25 V | 25 V |
| Collector Base Voltage VCBO | 40 V | 25 V | 40 V |
| Emitter Base Voltage VEBO | 4 V | - | 4 V |
| Gain Bandwidth Product fT | 400 MHz | - | 400 MHz |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 150 C | - | + 150 C |
| Series | MPS65 | MPS65 | MPS65 |
| DC Current Gain hFE Max | 600 at 2 mA, 10 V | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Central Semiconductor | Central Semiconductor | Central Semiconductor |
| Continuous Collector Current | 100 mA | 0.1 A | 0.1 A |
| DC Collector/Base Gain hfe Min | 300 at 2 mA, 10 V | - | 150 at 100 uA, 10 V |
| Pd Power Dissipation | 625 mW | 625 mW | 625 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | Transistors | Transistors | Transistors |
| Collector Emitter Saturation Voltage | - | 0.5 V | 500 mV |
| Part # Aliases | - | MPS6522 TIN/LEAD | MPS6521 TIN/LEAD |
| Unit Weight | - | 0.016000 oz | 0.016000 oz |
| Maximum DC Collector Current | - | - | 100 mA |