t SEC/SEC 300 Vrms. Average Power Rating: 2 Watts. UL-478 Recognized, File Number E52661. Schematic/ Package Style A/TH11 A/TH11 B/TH11 B/TH11 B/TH11 A/TH12 A/TH12 A/TH12 A/TH12 B/TH12 B/TH12 A 5 .