Low Power Transformers Now UL Recognized as Class 2 Models


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Both ST and DST Series Incorporate the UL 1446 Class F 155.0C Insulation System

Signal Transformer announced selected models of the ST and DST Series of high isolation split bobbin, low power transformers, are now recognized by UL as Inherently Limited Class 2 transformers per (UL 5085-3) and now incorporate a UL 1446 Class F 155.0C Insulation System. The ST and DST Series utilize split bobbin construction, providing superior isolation and low capacitive coupling, as well as a rigid pin construction for easier board insertion and higher reliability.

Signal’s ST and DST Series are available in power variations from 1.1 VA to 36 VA, with dielectric strength of 2500 Vrms, with primaries in single or dual configurations, secondaries in series or parallel configurations. Combined, both series offer over 120 standard configurations.

For technical inquiries, visit belfuse.com/signal.