PUMB3 transistors equivalent, pnp/pnp resistor-equipped transistors.
* Transistors with built-in bias resistor R1 (typ. 4.7 kΩ)
* No mutual interference between the transistors
* Simplification of circuit design
* Reduces n.
* General purpose switching and amplification
* Inverter and interface circuits
* Circuit driver. DESCRIPTIO.
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