CUI Inc. – VSK-S1, VSK-S2 and VSK-S3 Series: AC/DC Modules Deliver Efficient Power Where Board Space is Tight

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The VSK-S1 series, VSK-S2 series and VSK-S3 series AC/DC isolated power modules have output power of 1W, 2W and 3W respectively, and are designed in compact board-mount packages to target space constrained applications.

The modules have a universal AC input voltage range of 85V AC to 305V AC (VSK-S3 has a 264V AC max input) and isolation voltage of 3kV, making them suitable for use in lighting controls and smart building systems. Operating at up to 78% efficiency, and with industry leading no load power consumption of 100mW, the modules are also ideal for primary or auxiliary power conversion in telecom and networking equipment, consumer products, and industrial control applications. The power supplies feature very low ripple and noise, and operate over the temperature range -25°C to +70°C.

Modules are available with a single fixed output voltage of 3.3V, 5V, 9V, 12V, 15V or 24V. All models carry CE and UL/cUL 60950-1 safety certifications, and are compliant with the EN 55022 Class B EMI standard.

APPLICATIONS

  • Lighting controllers and ballasts
  • Smart building applications
  • Telecom and networking equipment
  • Industrial controls
  • Consumer products
FEATURES

  • 33.7 x 22.2 x 18mm (VSK-S1 and VSK-S2 series)
  • 37.08 x 23.11 x 14.99mm (VSK-S3 series)
  • Over-voltage protection
  • Short circuit protection
  • Over-temperature protection
Model NumberPowerOutput VoltageOutput Current
VSK-S1-3R3U1W3V0.3A
VSK-S1-5U1W5V0.2A
VSK-S1-9U1W9V0.11A
VSK-S1-12U1W12V0.083A
VSK-S1-15U1W15V0.067A
VSK-S1-24U1W24V0.042A
VSK-S2-3R3U2W3.3V0.6A
VSK-S2-5U2W5V0.4A
VSK-S2-9U2W9V0.22A
VSK-S2-12U2W12V0.167A
VSK-S2-15U2W15V0.133A
VSK-S2-24U2W24V0.083A
VSK-S3-3R3U2.3W3.3V0.7A
VSK-S3-5U3W5V0.6A
VSK-S3-9U3W9V0.33A
VSK-S3-12U3W12V0.25A
VSK-S3-15U3W15V0.2A
VSK-S3-24U3W24V0.125A

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