PT550 terminal equivalent, to-18 type phototransistor with base terminal.
1. High sensitivity PT550 I C : MIN.3mA at E e = 0.1mW/cm 2 PT550F I C : MIN.3mA at E e = 1mW/cm 2 2. Narrow acceptance : PT550 (∆ θ : TYP. ± 6˚ ) Wide acceptance : PT550.
1. Optoelectronic switches, optoelectronic counters 2. Smoke detectors 3. Infrared applied systems
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