Step-up / step-down transformer
STU step-up / step-down voltage transformers with USB
Step-up / step-down AC converters with an additional 5V DC USB output, designed for equipment whose rated voltage differs from the local mains voltage.
9Catalogue models
1989Goldsource founded
1Exterior 3D models
Reconstructed exterior
Every side,
square on.
Illustrative renders reconstructed from catalogue photographs; dimensions are estimated. Appearance and configuration may vary by version.
Interactive exterior
STU-100,
in the round.
Illustrative exterior model reconstructed from catalogue photographs. Appearance and configuration may vary by version.
Drag to rotate · Scroll to zoom
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.
- Product category
- Step-up / step-down transformer
- Series
- STU
- Catalogue models
- 9
- Source
- DIYTrade listing (2025)
- Current specifications & availability
- Confirm by enquiry
Features as printed in the catalogue
- Listed on the company's DIYTrade site as step-up / down voltage transformers with a 5V USB output
- Specifications and packing data not published; confirm by enquiry
Catalogue values are historical reference information, not confirmed current specifications. Confirm the exact model, ratings, input range and certification status before ordering.
