Small Signal Bipolar Transistor,
| Parameter Name | Attribute value |
| Maker | KEC |
| package instruction | , |
| Reach Compliance Code | unknown |
| Is Samacsys | N |
| Base Number Matches | 1 |

| BC858W-B-RTK/PU | BC858W-A-RTK/PU | BC856W-A-RTK/PU | BC856W-RTK/PU | BC856W-B-RTK/PU | BC857W-RTK/PU | BC857W-B-RTK/PU | BC857W-C-RTK/PU | BC857W-A-RTK/PU | BC858W-C-RTK/PU | |
|---|---|---|---|---|---|---|---|---|---|---|
| Description | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, | Small Signal Bipolar Transistor, |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown |
| Maker | KEC | - | KEC | KEC | KEC | KEC | KEC | KEC | KEC | KEC |