Signal Transformer ST and DST Series Low Power Transformers UL Recognised as Class 2 Models

Various models of Signal Transformer’s ST series and DST Series of high isolation split bobbin low power transformers are recognised by UL as Inherently Limited Class 2 transformers per (UL 5085-3) and incorporate a UL 1446 Class F 155.0C Insulation System.

The ST and DST Series utilise 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 Transformer’s ST and DST Series are available in power variations from 1.1 VA to 36 VA, with dielectric strength of 2,500 Vrms, with primaries in single or dual configurations, secondaries in series or parallel configurations. Combined, both series offer over 120 standard configurations. The ST and DST Series are RoHS and REACH certified and are available through our distribution network, including Digi-Key, Mouser and Sager.

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