ST-4-16

Power Transformers Overview

The Signal Transformer ST-4-16 is a laminated core power transformer from the ST series, designed for through-hole mounting. It features a single primary winding rated at 115V and dual secondary windings configurable for parallel operation at 8V with a maximum current of 800mA, or series operation at 16V with a maximum current of 400mA. The unit provides a maximum power rating of 6VA and offers 2500Vrms isolation voltage. It complies with RoHS3 standards and utilizes PC pin termination.

Power Transformers Feature Summary

• Split bobbin construction for enhanced safety and isolation
• Dual secondary winding configuration supporting parallel or series connections
• Laminated core design optimized for low-power applications

Power Transformers Applications

• Low-power AC/DC power supply units
• Industrial control equipment requiring isolated power
• Consumer electronics with Class 2 power limitations

Power Transformers Procurement Notes

Verify that the specific order matches the ST-4-16 part number to ensure correct secondary voltage and current ratings. Confirm that the application environment supports through-hole mounting requirements. Check datasheet specifications for thermal derating curves if operating near the 6VA limit. Ensure compliance with local RoHS3 regulations before final procurement approval.

Power Transformers Selection Notes

Select this component when a 6VA power rating and 115V primary input are required. Choose the ST-4-16 over other models if split bobbin isolation is necessary for safety certification. Consider the physical dimensions and through-hole footprint during PCB layout. Evaluate the 2500Vrms isolation capability against system safety requirements.

Power Transformers Part Context

The ST-4-16 belongs to the ST series of Split/Tran transformers manufactured by Signal Transformer. This series is characterized by split bobbin technology, which separates primary and secondary windings to improve dielectric strength and safety. The ST series covers various power ratings from 1.1VA to 36VA, offering multiple voltage configurations for diverse low-power applications.

Power Transformers Replacement Considerations

Direct substitutes within the same series include the DST-4-16, which shares similar electrical characteristics but may differ in specific mechanical or regulatory certifications. Verify compatibility with existing mounting hardware and PCB footprints before substitution.