Triad PC mount World Series transformers incorporate a dual bobbin construction with an insulating shroud, both made of a high temperature material that exceeds UL flammability requirements. These units are designed with very high isolation between the primary and secondary, and also, between each winding and the core. Since the dual bobbin construction effectively reduces capacitance, electrostatic shielding is not required. PC mount transformers are available with ratings from 2.5 VA 56.0 VA and have dimensionally accurate pin placement for through hole PC board mounting. All World Series transformers meet U.S. and International standards including CSA, IEC, TUV and UL requirements, and therefore have universal application.
Unit of Measure

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Electrical Rating

N/A 10 V·A

Secondary Series

N/A 28.0 V CT at 0.36 A

Secondary Parallel

N/A 14.0 V at 0.72 A

Transformer Contact Type

N/A Center Tap

Height (H)

N/A 1 3/8 in

Width (W)

N/A 1 7/8 in

Depth (D)

N/A 1 9/16 in

Dimension (A)

N/A 0.200 in

Dimension (B)

N/A 0.400 in

Dimension (C)

N/A 1.140 in

Pin Dimension

N/A 0.036 in²

Mounting Length

N/A 1 1/4 in

Primary Voltage

N/A 115 V230 V

Primary Frequency

N/A 50 Hz60 Hz

Industry Standards



N/A 0.50 lb

Technical Notes


  1. Hi-pot tested at 4,000 VRMS.
  2. Both primary and secondary coils may be connected as either series or parallel, but both must be used simultaneously.


N/A Class 2/3 UL File: E65390