SMD Transformers

The heart of any DC/DC converter is the transformer. RECOM offers stand-alone, compact SMD transformers for low-wattage power supply applications. They can be driven by one of our transformer driver ICs or by your own circuit.

Transformer characteristics must be matched to the driver and application, so to simplify discrete power supply design, RECOM also offers matched driver IC and transformer pairs that are pre-tested to verify correct operation.

The transformer selection listed below are for common isolated DC power applications and are normally available ex-stock. Full custom transformer solutions are available upon request at short notice.
Vin (V)
  • Min
  • Nom
  • Max
  • Main Vout (V)
  • Min
  • Nom
  • Max
  • Iout 1 (mA)
  • Min
  • Nom
  • Max
  • Iout 2 (mA)
  • Min
  • Nom
  • Max
  • Isolation (kV)
  • Min
  • Nom
  • Max
  • Mounting Type
    Package Style
    Length (mm)
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  • Max
  • Width (mm)
  • Min
  • Max
  • Height (mm)
  • Min
  • Max
  • MAX Operating Temp (°C)
  • Min
  • Topology
    Primary Winding
    Secondary Winding
    Primary Inductance (µH)
    Center Tap
      Part Number Isolation (kV) Topology Primary Inductance (µH) WindingTurnsRatio Mounting Type
    1
    Focus New
    6 Flyback 20 1:0.59:0.88 SMD
    2
    Focus New
    1.5 Flyback 15 1.67:1:1:1 SMD
    3
    Focus New
    1.5 Flyback 11 1:0.63:0.81:1 SMD
    4
    Focus New
    3 Flyback 11 1:1.4:1.4:1.4 SMD
    5
    Focus New
    1.5 Flyback 11 1:1.67:1:1 SMD
    6
    Focus New
    1.5 Flyback 11 1:0.71:0.5:1 SMD
    7
    Focus New
    1.5 Flyback 6.9 1.75:1.75:2.25:1:1:1 SMD
    8
    Focus New
    1.5 Flyback 48 3.6:2.4:1:1 SMD
    9
    Focus New
    1.5 Flyback 7 1:1.25:1.5:1.5 SMD
    10
    Focus New
    1.5 Flyback 6.9 0.88:0.88:1:1:1:1 SMD
    11
    Focus New
    1.5 Flyback 36 1:4.67:1:4.67:1:1.67 SMD
    12
    Focus New
    1.5 Full-Bridge 121 1:1.12 SMD
    13
    Focus New
    3 Full-Bridge 519 1:1:1.03:1.03 SMD
    14
    Focus New
    1.5 Push-Pull 169 1:0.9 SMD
    15
    Focus New
    1.5 Push-Pull 60 1:1.67 SMD
    16
    Focus New
    1.5 Push-Pull 82 1:1.14 SMD
    17
    Focus New
    3 Full-Bridge 158 1:1:1.125:1.125 SMD
    18
    Focus New
    1.5 Push-Pull 121 1.31:1 SMD
    19
    Focus New
    3 Full-Bridge 519 2.23:2.23:1:1 SMD
    20
    Focus New
    6.36 Full-Bridge 108 1:1:1.11:1.11 SMD
    21
    Focus New
    3 Full-Bridge 519 1.53:1.53:1:1 SMD
    22
    Focus New
    1.5 Push-Pull 82 1:1.29 SMD
    23
    Focus New
    3 Push-Pull 88 1:1:3.17:3.17 SMD
    24
    Focus New
    7.07 Full-Bridge 108 2.56:1 SMD
    25
    Focus New
    3 Push-Pull 139 1:1:2.53:2.53 SMD
    26
    Focus New
    7.07 Full-Bridge 85 1:1.125 SMD
    27
    Focus New
    7.07 Full-Bridge 381 1:0.67:0.42 SMD
    28
    Focus New
    1.5 Push-Pull 130 1:1.11 SMD
    29
    Focus New
    6.08 Flyback 11 1:2.25:1:1.25 THT