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DC switching power supply

DF1790-1303

DC switching power supply. Explore the supplied catalogue record and request the current configuration, documentation and quotation for this model.

DF1790-1303, illustrative render

DF1790 series / catalogue model

DF1790-1303

DF1790 13.8V switching power supplies

  • Output current 3A
  • Surge current 5A
  • Load regulation 0.5%
  • Ripple voltage 100mV

Reconstructed exterior

Every side,
square on.

DF1790-1303, illustrative three-quarter view
Illustrative render
DF1790-1303, illustrative front view
Front view
DF1790-1303, illustrative rear view
Rear view

Illustrative renders reconstructed from catalogue photographs; dimensions are estimated. Appearance and configuration may vary by version.

Interactive exterior

DF1790-1303,
in the round.

Illustrative exterior model reconstructed from catalogue photographs. Appearance and configuration may vary by version.

DF1790-1303 illustrative exterior render

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Illustrative exterior model. Appearance and configuration may vary by version; check against the current product specification.

Historical catalogue record

What the catalogue says.
What to confirm.

Model
DF1790-1303
Series
DF1790
Product category
DC switching power supply
Output current
3A
Surge current
5A
Load regulation
0.5%
Ripple voltage
100mV
External package size
33.0 × 29.5 × 28.0 cm
Net / gross weight
15 / 17 kg
Pieces per carton
16
Source
Company website archive (2014)
Source
DIYTrade listing (2025)
Current specifications & availability
Confirm by enquiry

Features as printed in the catalogue

  • Input voltage: AC 110V ±15% or 220V ±15%
  • Output voltage: 13.8V ±3%
  • 0.5% power adjustment rate
  • Overload and short-circuit protective circuit
  • High-frequency switching: small dimensions, high efficiency, low ripple

Catalogue values are historical reference information, not confirmed current specifications. Confirm the exact model, ratings, input range and certification status before ordering.

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More in the DF1790 series.

  1. DF1790-13066A
  2. DF1790-131010A
  3. DF1790-132020A
Browse the whole DF1790 series

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