Instrumentation Grade Power Supplies

Relec Electronics have a large range of PCB and External (Plugtop & Desktop) AC DC & DC DC Converters suitable for Instrumentation applications.  Products start at 1W with solutions available through to 300W.  Many of the products listed below are available from stock and we are always happy to supply free of charge samples for new projects – Call us today on +44 1929 555800 for more information.

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  • IB_S-W75R3 Series

    Input: 5Vdc (others pending)
    Outputs: 3V3 to 24V dc
    Power: 0.75 Watt
    Tamb: -40°C to +85°C
    Dims: SIP4
    1500V Isolation, 3kV (1 sec)

  • LD01 Series

    Input: 85-305Vac
    Outputs: 3V3 to 24V
    Power: 1 Watt
    Tamb: -25 to +70°C
    Dims: 33.7 x 22 x 18mm
    UL / CE EN60950 Approved

  • LS01 Series

    Input: 85-305Vac
    Outputs 3V3 to 24V
    Power: 1 Watt
    Tamb: -40 to 85°C
    Dims: 35 x 11 x 18mm
    UL / CE EN60950 Approved

  • A_S-1WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±3V3 to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    1500V Isolation

  • A_S-1WR3 Series

    Input: 5Vdc (others to follow early 2020)
    Outputs: ±3V3 to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    Very low cost, UL approved

  • A_XT-1WR3 Series

    Input: 5Vdc (others to follow early 2020)
    Outputs: ±5V to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD10
    Very low cost, UL approved

  • B_XT-1WR3 Series

    Input: 5Vdc (others to follow early 2020)
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD8
    Very low cost, UL approved

  • F_XT-1WR3 Series

    Input: 5Vdc (others to follow early 2020)
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD8
    3000V isolation

  • F_LT-1WR3 Series

    Input: 5Vdc (others to follow early 2020)
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD12
    3000V isolation

  • B_S-1WR2 Series

    Input: 3/5/12/24Vdc
    Outputs: 5V to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP4
    1500V Isolation

  • A_XT-1WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±3V3 to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD10
    1500V Isolation

  • B_LS-1WR3 Series

    Input: 5V dc (others to follow early 2020)
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP4
    1500V Isolation, very low cost

  • B_S-1WR3 Series

    Input: 5Vdc (others pending)
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP4
    1500V Isolation, 3kV (1 sec)

  • SCM1201 Series

    Input: 4 to 8V dc
    Outputs: Any (Transformer dependent)
    Power: 1 Watt
    Tamb: -40°C to +150°C
    Dims: SOT23-6
    Push-Pull PWM Controller

  • TSHT Series

    Turns ratio 1:1.1
    Input current 250mA
    Tamb: -40°C to +125°C
    Dims: SMT 12.7 x 8.5mm
    Push-Pull PWM Transformer

  • SCM9601A Series

    Input range 40 - 700V dc
    Ouput current 4mA
    Tamb: -40°C to +150°C
    Dims: SMT SOT23
    Ultra-high Voltage Start-up controller
    Very low cost

  • SCM9602A Series

    Input range 40 - 700V dc
    Ouput current 4mA
    Tamb: -40°C to +150°C
    Dims: SMT SOT23
    Ultra-high Voltage Start-up controller
    Very low cost

  • SCM9603B Series

    Input range 4 - 85V dc
    Ouput current 20mA
    Tamb: -40°C to +150°C
    Low Voltage Start-up controller
    Very low cost

  • TTB05 Series

    Turns ratio 1:1.1 or 1:1.94
    Input current 200mA
    Tamb: -40°C to +125°C
    Dims: SMT 6.5 x 8.8mm
    Push-Pull PWM Transformer

  • B_XT-1WR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SMD8
    1500V Isolation

  • E_S-1WR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: ±3V3 to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    3000V Isolation

  • E_XT-1WAR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: ±5V to ±24V dc
    Power: 1 Watt
    Tamb: -40°C to +105°C
    Dims: DIP10
    3000V Isolation

  • F_S-1WR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: 3V3 to 24V dc
    Power: 1 Watt
    Tamb: -40 to +105°C
    Dims: SIP7
    3000V Isolation

  • F_XT-1WR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: 3V3 to 24Vdc
    Power: 1 Watt
    Tamb: -40 to +105°C
    Dims: SMD8
    3000V Isolation

  • G_S-1WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±5V to ±15V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    6000V Isolation

  • H_S-1WR2 Series

    Input: 3/5/12/15/24Vdc
    Outputs: 5V to 15V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    6000V Isolation

  • IB_LS-1W Series

    Input: 5/12/15/24Vdc
    Outputs: 5V to 24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    1000V Isolation

  • IB_XT-1WR2 Series

    Input: 5/12/24Vdc
    Outputs: 5V to 15V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SSMD10
    1000V Isolation

  • CF_XT-1WR3 Series

    Input: 5Vdc
    Outputs: 5Vdc
    Power: 1 Watt
    Tamb: -40 to +105°C
    Dims: SMD8
    AEC-Q100 for automotive applications

  • IF_S-1W Series

    Input: 5/12/24Vdc
    Outputs: 5V to 15V dc
    Power:1 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    3000V Isolation

  • WRA_S-1WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: ±3V to ±24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    1500V Isolation

  • WRB_S-1WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: 3V to 24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    1500V Isolation

  • WRE_S-1WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: ±3V to ±24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    3000V Isolation

  • WRF_S-1WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: 3V to 24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    3000V Isolation

  • HVA Series

    Input:24V dc ±10%
    Outputs: 1kV to 20kV
    Power: 2 Watt
    Tamb: +10°C to +45°C
    Dims: 152.4 x 96.8 x 31.8mm

  • LDE02 Series

    Input: 85-305Vac
    Outputs: 3V3 to 24Vdc
    Power: 2 Watt
    Tamb: -40 to +70°C
    Dims: 33.7 x 22.2 x 18mm
    UL / CE EN62368

  • LD02 Series

    Input: 85-305Vac
    Outputs: 3V3 to 24V
    Power: 2 Watt
    Tamb: -25 to +70°C
    Dims: 33.7 x 22 x 18mm
    UL / CE EN60950 Approved

  • A_S-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±3V3 to ±24V dc
    Power: 2 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    1500V Isolation

  • B_M-2WR2 Series

    Input: 5/12/24Vdc
    Outputs: 5V to 24V dc
    Power: 2 Watt
    Tamb: -40°C to +105°C
    Dims: SIP4
    1500V Isolation

  • B_S-2WR2 Series

    Input: 3/5/9/12/24Vdc
    Outputs: 5V to 24V dc
    Power: 2 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    1500V Isolation

  • B_XT-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: 3V to 24V dc
    Power: 2 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    1500V Isolation

  • E_S-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±3V3 to ±24V dc
    Power: 2 Watt
    Tamb: -40°C to +105°C
    Dims: SIP7
    3000V Isolation

  • F_S-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: 3V3 to 24V dc
    Power: 2 Watt
    Tamb: -40 to +105°C
    Dims: SIP7
    3000V Isolation

  • F_XT-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: 3V3 to 24V dc
    Power: 2 Watt
    Tamb: -40 to +105°C
    Dims: SMD8
    3000V Isolation

  • G_S-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: ±5V to ±15V dc
    Power: 2 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    6000V Isolation

  • H_S-2WR2 Series

    Input: 5/12/15/24Vdc
    Outputs: 5V to 15Vdc
    Power: 2 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    6000V Isolation

  • IB_S-2W Series

    Input:5/12/15/24Vdc
    Outputs: 5V to 15V dc
    Power: 2 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    1000V Isolation

  • IF_S-2W Series

    Input: 5/12/24Vdc
    Outputs 5V dc
    Power: 2 Watt
    Tamb: -40 to +85°C
    Dims: SIP7
    3000V Isolation

  • IF_XT-1WR2 Series

    Input: 5/12/24Vdc
    Outputs: 5V to 15V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SMD10
    3000V Isolation

  • LD03 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 3 Watt
    Tamb: -25 to +70°C
    Dims: 37 x 24.5 x 18mm
    UL / CE EN60950 Approved

  • WRB_S-3WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: 3V to 24V dc
    Power: 3 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    1500V Isolation

  • WRF_S-3WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: 3V to 24V dc
    Power: 3 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    3000V Isolation

  • WRE_S-3WR2 Series

    Input: Wide input(2:1) 4.5 to 75Vdc
    Outputs: ±3V to ±24V dc
    Power: 1 Watt
    Tamb: -40 to +85°C
    Dims: SIP8
    3000V Isolation

  • LDE03W Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 3 Watt
    Tamb: -40 to +70°C
    Dims: 37 x 24.5 x 18mm
    UL / CE EN62368 Approved

  • LS03 Series

    Input: 85-305Vac
    Outputs 3V3 to 24V
    Power: 3 Watt
    Tamb: -40 to 85°C
    Dims: 35 x 11 x 18mm
    UL / CE EN60950 Approved

  • LDE03 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 3 Watt
    Tamb: -40 to +70°C
    Dims: 37 x 24.5 x 18mm
    UL / CE EN62368 Approved

  • URB_MT-3WR3 Series

    Input: 9-36V or 18-75V dc
    Outputs: 3V3 to 24V dc
    Power: 3 Watt
    Tamb: -40 to +85°C
    Dims: SMD14
    1500V Isolation

  • LD05 Series

    Input: 85-265Vac
    Outputs: 3V3 to 24V
    Power: 5 Watt
    Tamb: -25 to +70°C
    Dims: 50.8 x 25.4 x 15.16mm
    UL / CE EN60950 Approved

  • LHE05 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 5 Watt
    Tamb: -40 to 70°C
    Dims: 48.5 x 36 x 20.5mm
    UL / CE EN62368 Approved

  • LH05 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 5 Watt
    Tamb: -25 to 70°C
    Dims: 48.5 x 36 x 20.5mm
    UL / CE EN60950 Approved

  • LDE05W Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 5 Watt
    Tamb: -40 to +70°C
    Dims: 37 x 24.5 x 18mm
    UL / CE EN62368 Approved

  • LS05 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 5 Watt
    Tamb: -40 to 85°C
    Dims: 42 x 13.65 x 20.0mm
    UL / CE EN60950 Approved

  • LDE05 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 5 Watt
    Tamb: -40 to +70°C
    Dims: 37 x 24.5 x 18mm
    UL / CE EN62368 Approved

  • LS05-26B Series

    Input: 90-528Vac
    Outputs 3V3 to 24V
    Power: 5 Watt
    Tamb: -40 to 85°C
    Dims: 44.5 x 13 x 24.0mm
    UL / CE EN62368 (pending)

  • D Series

    Input:15V dc
    Outputs: up to 6kVdc
    Power: up to 6 Watt
    Tamb: -10°C to +65°C
    Dims: 63.5 x 44 x 17.5mm

  • LDE06 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 6 Watt
    Tamb: -40 to +70°C
    Dims: 50.80 x 25.4 x 15.36mm
    UL / CE EN62368 Approved

  • 5008 series

    Input: 85 - 264Vac
    Current: 0.5 - 6A
    Tamb: -25°C to +85°C
    Dims: C8 Panel inlet filter

  • FMW-41 series

    Input: 85 - 264Vac
    Current: 0.5 - 6A
    Tamb: -25°C to +85°C
    Dims: 67 x 46 x 25mm
    Single stage

  • CUWB_YMD-6WR3 Series

    Input: 4.5-36V dc
    Outputs 3V to 24V dc
    Power: 6 Watt
    Tamb: -40 to +105°C
    Dims: 1" x 1" x 0.465"
    AEC-Q100 for automotive applications

  • K78xxW-500R3 Series

    Input: 4.75-36Vdc
    Outputs: 3 to 15V dc
    Power: 1.65-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SIP3 with flying leads
    Non isolated

  • K78_JT-500R3 Series

    Input: 4.75-36Vdc
    Outputs: 3V3 to 15Vdc
    Power: 0.75-6.0 Watt
    Tamb: -40 to +85°C
    Dims: 13.5 x 12.5 x 3.5mm (SMD)
    Non isolated

  • K78_T-500R3 Series

    Input: 4.75-36Vdc
    Outputs: 1 to 15Vdc
    Power: 0.75-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SMD10
    Non isolated

  • K78Lxx-500R3 Series

    Input:4.75-36Vdc
    Outputs: 3 to 15V dc
    Power:1.65-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • K78xx-500R3 Series

    Input: 4.75-36Vdc
    Outputs: 3 to 15V dc
    Power: 1.65-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • LHE10 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 10 Watt
    Tamb: -40 to 85°C
    Dims: 55 x 45 x 21mm
    UL / CE EN62368 Approved

  • LD10 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24V
    Power: 10 Watt
    Tamb: -25 to +70°C
    Dims: 53.8 x 28.8 x 19mm
    UL / CE EN60950 Approved

  • LH10 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 10 Watt
    Tamb: -40 to 70°C
    Dims: 55 x 45 x 21mm
    UL / CE EN60950 Approved

  • K78_T-1000R3 Series

    Input: 4.75-36Vdc
    Outputs: 1 to 15Vdc
    Power: 0.75-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SMD10
    Non isolated

  • 5200 series

    Input: 85 - 264Vac
    Current: 1 - 10A
    Tamb: -25°C to +85°C
    Dims: C14 Panel inlet filter
    + single pole fuseholder

  • DC12 series

    Input: 85 - 264Vac
    Current: 1 - 10A
    Tamb: -25°C to +85°C
    Dims: C14 Panel inlet filter
    + 1 or 2 pole switch

  • 5500 series

    Input: 85 - 264Vac
    Current: 1 - 10A
    Tamb: -25°C to +85°C
    Dims: 30.8 x 27.5 x 22.2mm

  • LDE10 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 10 Watt
    Tamb: -40 to +70°C
    Dims: 53.80 x 28.80 x 19mm
    UL / CE EN62368 Approved

  • K78Uxx-500 Series

    Input: 9.0-72Vdc
    Outputs: 3 to 24Vdc
    Power: 1.65-7.5 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • K78xx-2000 Series

    Input: 4.75-18Vdc
    Outputs: 1.5 to 12V dc
    Power: 3-13 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • LHE15 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 15 Watt
    Tamb: -40 to 85°C
    Dims: 62 x 45 x 22.5mm
    UL / CE EN62368 Approved

  • K78xxM-1000R3 Series

    Input: 6.0-36Vdc
    Outputs: 3 to 15V dc
    Power: 3.3-15 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • LH15 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 15 Watt
    Tamb: -40 to 70°C
    Dims: 62 x 45 x 22.5mm
    UL / CE EN60950 Approved

  • K78Lxx-1000R3 Series

    Input: 6-36Vdc
    Outputs: 3 to 15V dc
    Power: 3.3-15 Watt
    Tamb: -40 to +85°C
    Dims: SIP3
    Non isolated

  • K78xx-1000R3 Series

    Input: 6-36Vdc
    Outputs: 3 to 15V dc
    Power: 3.3-15 Watt
    Tamb: -40 to +85°C
    Dims: SIP3 (90° pins optional)
    Non isolated

  • LDE15 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 15 Watt
    Tamb: -40 to +70°C
    Dims: 53.80 x 28.80 x 23.5mm
    UL / CE EN62368 Approved

  • LDE20 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 20 Watt
    Tamb: -40 to +70°C
    Dims: 53.80 x 28.80 x 23.5mm
    UL / CE EN62368 Approved

  • EA1020R Series

    Input: 100-240Vac
    Outputs: 5V to 24V
    Power: 20 Watt
    Tamb: 0 to +40°C
    Dims: 98 x 45 x 38mm
    CEC Level V Compliant

  • LHE20 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 20 Watt
    Tamb: -40 to 85°C
    Dims: 62 x 45 x 22.5mm
    UL / CE EN62368 Approved

  • LD20 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 20 Watt
    Tamb: -25 to +70°C
    Dims: 50.8 x 25.4 x 15.16mm
    UL / CE EN60950 Approved

  • LH20 Series

    Input: 85-264Vac
    Outputs: 3V3 to 24Vdc
    Power: 20 Watt
    Tamb: -40 to 70°C
    Dims: 70 x 48 x 23.5mm
    UL / CE EN60950 Approved

  • EC7BW18-72 Series

    Input: 8.5-160V dc- Single range
    Outputs: 5V to +/-24V dc
    Power: 20 Watt
    Tamb: -40°C to +105°C
    Dims: 2.0" x 1.0" x 0.4"
    3000V ac Isolation

  • C20F series

    Input: 85 - 264Vac
    Current: 16 - 20A
    Tamb: -25°C to +85°C
    Dims: C20 Panel inlet filter

  • LHE25 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 25 Watt
    Tamb: -40 to 85°C
    Dims: 70 x 48 x 23.5mm
    UL / CE EN62368 Approved

  • LH25 Series

    Input: 85-264Vac
    Outputs 3V3 to 24V
    Power: 25 Watt
    Tamb: -40 to 70°C
    Dims: 70 x 48 x 23.5mm
    UL / CE EN60950 Approved

  • E Series

    Input:23 to 30V dc
    Outputs: 0 to 15kV dc
    Power: 30 Watt
    Tamb: +10°C to +45°C
    Dims: 152.4 x 96.8 x 38.1mm

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