| Q2,Q4,Q5 | NMOS | N-MOSFET transistor, gate/drain/source |
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| U1 | MMSZ5245BT1G | |
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| U2 | 4N35 | Optocoupler, Phototransistor Output, with Base Connection, Vce 70V, CTR 100%, Viso 5000V, DIP6 |
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| U3 | LM555xN | Timer, 555 compatible, PDIP-8 |
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| U4 | LM393N/NOPB | |
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| C1,C3,C4 | 100nF | Unpolarized capacitor, small symbol |
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| C2 | 1uF | Unpolarized capacitor, small symbol |
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| DEBUG_1-DEBUG_3 | LED | Light emitting diode |
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| J1 | V_BIAS TEST | Generic connector, single row, 01x01, script generated |
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| J2,J5,J7 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | 12V TEST | Generic connector, single row, 01x01, script generated |
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| J4 | V_IN TEST | Generic connector, single row, 01x01, script generated |
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