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Triad's UL/TUV Approved, Inherently-limited PCB Power Transformers

Industry-leading design with advanced features and performance for worldwide use. Manufactured at Triad's factory in the Philippines for cost effectiveness in all commercial and industrial applications. Backed by Triad's 80 years of experience and quality, with 10-year warranty.

  • Input Voltages: 120V or 120/240V, 50-60Hz, dual windings, series-parallel connection
  • Output Voltages: 5V to 56V, , dual windings, series-parallel connection
  • Secondary Windings UL-approved for independent/isolated use (Hipot 2160 VRMS sec to sec)
  • Power levels: 1.1VA to 36VA
  • UL Class 2/3 and cUL (CSA 22.2, No. 66.3-06) Recognized and TUV certified (120/240V models)
  • Class F 155 deg C UL-recognized Insulation System ( operating temperature -40C to 80 C)
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105 Products

    F20-300-C2 Triad Magnetics
    Power Transformer 4200Vrms 6VA 6Term. PC Pin Thru-Hole
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    In Stock: 15
    Can Ship immediately 

    10
    $5.30
    30
    $4.74
    100
    $4.63
    250
    $4.53
    500
    $4.44
    F20-600-C2 Triad Magnetics
    Power Transformer 4200Vrms 12VA 6Term. PC Pin Thru-Hole
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    In Stock: 20
    Can Ship immediately 

    10
    $9.53
    30
    $8.71
    50
    $8.46
    100
    $8.20
    250
    $7.88
    F24-045-C2 Triad Magnetics
    Power Transformer 4200Vrms 1.1VA 6Term. PC Pin Thru-Hole
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    In Stock: 100
    Can Ship immediately 
    MANUFACTURER STOCK 449
    can ship 12/1/25

    10
    $6.305
    50
    $4.344
    100
    $3.978
    200
    $3.711
    500
    $3.499
    F24-100-C2 Triad Magnetics
    Power Transformer 4200Vrms 2.5VA 6Term. PC Pin Thru-Hole
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    In Stock: 1250
    Can Ship immediately 

    10
    $4.456
    30
    $4.123
    50
    $4.034
    100
    $3.784
    250
    $3.688
    F24-1500-C2 Triad Magnetics
    Power Transformer 4200Vrms 36VA 6Term. PC Pin Thru-Hole
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    In Stock: 16
    Can Ship immediately 

    8
    $11.09
    16
    $10.91
    32
    $10.67
    56
    $10.51
    104
    $10.35
    F24-250-C2 Triad Magnetics
    Power Transformer 4200Vrms 6VA 6Term. PC Pin Thru-Hole
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    18 Weeks

    10
    $7.44
    30
    $6.05
    100
    $5.78
    250
    $5.53
    500
    $5.30
    F24-500-C2 Triad Magnetics
    Power Transformer 4200Vrms 12VA 6Term. PC Pin Thru-Hole
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    In Stock: 60
    Can Ship immediately 
    MANUFACTURER STOCK 7
    can ship 12/1/25

    10
    $8.59
    20
    $7.96
    60
    $7.76
    100
    $7.64
    250 +
    $7.31
    F24-800-C2 Triad Magnetics
    Power Transformer 4200Vrms 20VA 6Term. PC Pin Thru-Hole
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    18 Weeks

    8
    $12.11
    10
    $11.21
    25
    $11.09
    50
    $10.79
    100 +
    $10.48
    F28-040-C2 Triad Magnetics
    Power Transformer 4200Vrms 1.1VA 6Term. PC Pin Thru-Hole
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    In Stock: 160
    Can Ship immediately 

    10
    $6.017
    25
    $4.687
    50
    $4.041
    100
    $3.728
    250
    $3.595
    F28-085-C2 Triad Magnetics
    Power Transformer 4200Vrms 2.5VA 6Term. PC Pin Thru-Hole
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    In Stock: 550
    Can Ship immediately 

    10
    $3.39
    50
    $3.24
    100
    $3.18
    250
    $3.09
    500
    $3.02