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| PartNumber | BC237B | BC237 | BC237(J35Z) |
| Description | Bipolar Transistors - BJT NPN Trans 50Vcbo 50Vces 45Vceo 300mW | Bipolar Transistors - BJT 100mA 50V NPN | |
| Manufacturer | Central Semiconductor | ON Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | N | - |
| Technology | Si | - | - |
| 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 | 45 V | 45 V | - |
| Collector Base Voltage VCBO | 50 V | 50 V | - |
| Emitter Base Voltage VEBO | 6 V | 6 V | - |
| Collector Emitter Saturation Voltage | 0.25 V | 0.2 V | - |
| Maximum DC Collector Current | 200 mA | 0.1 A | - |
| Gain Bandwidth Product fT | 15 MHz | 200 MHz | - |
| Minimum Operating Temperature | - 65 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Packaging | Bulk | Bulk | - |
| Brand | Central Semiconductor | ON Semiconductor | - |
| Continuous Collector Current | 100 mA | 0.1 A | - |
| DC Collector/Base Gain hfe Min | 180 at 2 mA, 5 V | 120 | - |
| Pd Power Dissipation | 300 mW | 350 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 2000 | 5000 | - |
| Subcategory | Transistors | Transistors | - |
| Part # Aliases | BC237B PBFREE | - | - |
| Height | - | 5.33 mm | - |
| Length | - | 5.2 mm | - |
| Width | - | 4.19 mm | - |