Hein (fub) wrote,
Hein
fub

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Found electronics

Monday, when we walked from the supermarket back to the office on our lunch break, I saw something lying on the sidewalk close to the entrance to the park we cross on our way. I recognised the shape of a TO-220 package -- either a power transistor or a voltage regulator.
When I picked it up (much to the amusement of my colleagues), I saw that it had been de-soldered off something, though none of the leads had been trimmed. Perhaps a hobbyist had used it in a prototype, decided to use something else, and then lost the loose part when he transported his project?

It turned out to be a BD902, a power transistor that can switch up to 100 Volts and 8 Ampère of current. Pretty hefty stuff!

Just what kind of hobby project would need such powerful transistors?
Tags: electronics
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