Lab Gruppen FP14000 · amplifier

Pwm board

19 components · 9 parts identified · 1 photo. Tap a marked part to see what it is.

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Parts on this board

DesignatorPart (number or value)MarkingDescriptionPackage
D1, D2BAV99sot23
D3BAT54tentative diodesot23
D4BZV49zener diodesot89
IC1LM393comparatorsoic8
Q1, Q4, Q71GTsot23
Q2BC847C1gtnpnsot23
Q3, Q5, Q8BC857Cpnpsot23
Q6BCV46tentative pnp darlingtonsot23
-white ceramic
TL555C555 timersoic8

Marked, not identified yet: VR1