| PartNumber | BC637 | BC637RL1G | BC637G |
| Description | Bipolar Transistors - BJT 500mA 60V NPN | Bipolar Transistors - BJT SS T092 HC XSTR NPN 60V | TRANS NPN 60V 1A TO-92 |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | N | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92-3 | TO-92-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 60 V | 60 V | - |
| Collector Base Voltage VCBO | 60 V | - | - |
| Emitter Base Voltage VEBO | 5 V | 5 V | - |
| Collector Emitter Saturation Voltage | 0.5 V | - | - |
| Maximum DC Collector Current | 1 A | - | - |
| Gain Bandwidth Product fT | 200 MHz | 200 MHz | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Height | 5.33 mm | - | - |
| Length | 5.2 mm | - | - |
| Packaging | Bulk | Reel | - |
| Width | 4.19 mm | - | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Continuous Collector Current | 1 A | 1 A | - |
| DC Collector/Base Gain hfe Min | 25 | 25 | - |
| Pd Power Dissipation | 625 mW | 625 mW, 800 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 5000 | 2000 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.007090 oz | 0.016000 oz | - |
| Series | - | BC637 | - |