A53TP50D
Three-phase solid-state relay (Crydom)
A5303
Photoelectric Smoke Detector (Allegro)
A531
10 TO 500 MHz CASCADABLE AMPLIFIER (Tyco Electronics)
A5338
Smoke Detector (Allegro MicroSystems)
A5347CA
SMOKE DETECTOR WITH INTERCONNECT AND TIMER (Allegro MicroSystems)
A5348
Ionization Smoke Detector (Allegro)
A5348CA
Ionization Smoke Detector (Allegro MicroSystems)
A5349CA
AC SMOKE DETECTOR (Allegro MicroSystems)
A5350
Ionization Smoke Detector (Allegro)
A5350CA
Ionization Smoke Detector (Allegro MicroSystems)