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Signal Transformer Announces ST and DST Series Low Power Transformers Now UL Recognized as Class 2 Models

November 07, 2019 by Bel Power Solutions

Signal Transformer Announces ST and DST Series Low Power Transformers Now UL Recognized as Class 2 Models.

Signal Transformer, a Bel group company (NASDAQ: BELFA and BELFB) and global manufacturer of custom and standard transformers, chokes, inductors, transformers and SMD inductors, 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 a 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.

The ST and DST Series are RoHS and REACH certified and are available through our distribution network, including Digi-KeyMouser, and Sager. For more detailed information, please download the series datasheet. For technical inquiries, call Signal at 866-239-5777, visit the website or email [email protected].


About Bel

Bel designs, manufactures, and markets a broad array of products that power, protect and connect electronic circuits. These products are primarily used in networking, telecommunications, computing, military, aerospace, transportation and broadcasting industries.  Bel’s product groups include Magnetic Solutions (integrated connector modules, power transformers, power inductors and discrete components), Power Solutions and Protection (front-end, board-mount and industrial power products, module products and circuit protection), and Connectivity Solutions (expanded beam fiber optic, copper-based, RF and RJ connectors and cable assemblies). The Company operates facilities around the world.