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TRIAD MAGNETICS FS28040 Dual Primary Dual Secondary Transformer

The TRIAD MAGNETICS FS28-040 is a versatile power transformer featuring a dual primary and dual secondary split bobbin design. It's engineered to operate with either a parallel input of 115V or a series input of 230V, providing flexibility for various applications. The split bobbin construction minimizes electrostatic interference, enhancing performance. This transformer is ideal for applications requiring efficient power conversion and is UL listed for safety and compliance. It is RoHS compliant, meeting environmental standards.

Authorized Distributors
Source:DigiKey
Part No:FS28-040
Stock:0
Inv Date:06-08-2026
Price: Unit price: $8.76
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Part No:FS28-040
Stock:0
Inv Date:06-09-2026
Price: Unit price: $7.22
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Part No:FS28-040
Stock:0
Inv Date:06-08-2026
Price: Unit price: $6.41
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Part No:FS28-040
Stock:10
Inv Date:06-08-2026
Price: Unit price: $5.81
Buy/RFQ:
Part No:FS28-040
Stock:10
Inv Date:06-08-2026
Price: Unit price: $5.81
Buy/RFQ:

TRIAD MAGNETICS FS28040 Dual Primary Dual Secondary Transformer Specifications:

  • Maximum Power: 1.1VA
  • Primary Input (Series): 230V
  • Primary Input (Parallel): 115V
  • Secondary Output (Series): 28.0V CT @ 0.04A
  • Secondary Output (Parallel): 14.0V @ 0.08A
  • Voltage Regulation: 25% TYP @ full load to no load
  • Temperature Rise: 25C TYP
  • Hipot Test: 2500 VRMS
  • Construction: Three flange bobbin, side-by-side winding
  • UL Listing: File E53148, UL 5085-2 (506)
  • cUL Listing: File E53148, UL 5085-2 (506)
  • Canadian Use: CSA 22.2, No.66.2-06
  • RoHS Compliant: Yes (since Feb 2005)
  • Dimensions H: 0.937 inches
  • Dimensions W: 1.125 inches
  • Dimensions L: 1.375 inches
  • Dimensions A: 0.250 inches
  • Dimensions B: 0.250 inches
  • Dimensions C: 1.200 inches
  • Dimensions D: 0.041 inches
  • Dimensions E: 0.020 inches
  • Dimensions F: 0.234 inches
  • Weight: 0.17 lbs

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Frequently Asked Questions

Where can I buy TRIAD MAGNETICS FS28040?

You can click on the BUY or RFQ button to purchase FS28040 from an authorized TRIAD MAGNETICS distributor.

How do I troubleshoot issues or seek technical support for part FS28040?

You can download the FS28040 datasheet or visit the TRIAD MAGNETICS website for support.

Who is the manufacturer of FS28040?

TRIAD MAGNETICS

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