| PartNumber | MPSA42RA | MPSA42RL1 | MPSA42RL1G |
| Description | Bipolar Transistors - BJT NPN Transistor High Voltage | Bipolar Transistors - BJT 500mA 300V NPN | Bipolar Transistors - BJT 500mA 300V NPN |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | N | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92-3 Kinked Lead | TO-92-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 300 V | 300 V | - |
| Collector Base Voltage VCBO | 200 V | 300 V | - |
| Emitter Base Voltage VEBO | 6 V | 6 V | - |
| Collector Emitter Saturation Voltage | 0.5 V | 0.5 V | - |
| Maximum DC Collector Current | 0.5 A | 0.5 A | - |
| Gain Bandwidth Product fT | 50 MHz | 50 MHz | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | MPSA42 | - | - |
| Height | 5.33 mm | 5.33 mm | - |
| Length | 5.2 mm | 5.2 mm | - |
| Packaging | Reel | Reel | - |
| Width | 4.19 mm | 4.19 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor | - |
| Continuous Collector Current | 0.5 A | 0.5 A | - |
| DC Collector/Base Gain hfe Min | 40 | 25 | - |
| Pd Power Dissipation | 625 mW | 625 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.007090 oz | - | - |