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DST-6-16
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 20VA TH
- Series：DST
- Mfr：Signal Transformer
- Package：Box
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 8V, Series 16V
- Current - Output (Max)：Parallel 2.5A, Series 1.25A
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：20VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：57.20mm L x 47.60mm W
- Height - Seated (Max)：36.90mm
- Voltage - Isolation：2500Vrms
- Weight：0.8 lb (362.87 g)
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Overview
The Signal Transformer DST-6-16 is a Class 2 board-mount power transformer from the Split/Tran series. It features dual primary windings rated for 115 VAC and 230 VAC input at 50/60 Hz. The secondary configuration provides 16 VCT/8 V output with a 20 VA power rating. Secondary current ratings are 1 A for the center-tapped setting and 2 A for the full winding. It utilizes a laminated core, through-hole mounting, and offers 2500 Vrms dielectric strength.
Feature Summary
- Split bobbin construction isolates primary and secondary windings to enhance safety compliance for Class 2 applications.
- Dual primary winding design allows flexible operation across 115 VAC and 230 VAC input voltages.
- Through-hole pin termination ensures secure mechanical attachment to printed circuit boards.
Applications
- Low voltage AC power supply circuits
- Industrial control panel isolation
- Consumer electronics internal power stages
Procurement Notes
Verify the specific datasheet revision to confirm terminal pin dimensions and spacing match your PCB footprint. Ensure the application environment remains within the specified temperature range for laminated core transformers. Confirm that the 20 VA rating meets the peak load requirements of the downstream circuitry without exceeding thermal limits.
Selection Notes
Select this model when a compact, isolated power source is required for Class 2 compliant designs. The dual primary capability simplifies global distribution by supporting multiple input standards. The split bobbin architecture provides necessary creepage and clearance distances for safety certification in low-voltage equipment.
Part Context
This component belongs to the DST series of Split/Tran transformers manufactured by Bel Signal Transformer. These units are designed for board mounting and utilize laminated steel cores. The series emphasizes safety isolation and compact form factors suitable for space-constrained electronic assemblies requiring reliable voltage transformation.
Replacement Considerations
Direct replacements must maintain the 20 VA rating, 115/230 VAC primary, and 16 VCT secondary specifications. Verify that substitute parts offer equivalent 2500 Vrms isolation and compatible through-hole pin configurations to ensure mechanical and electrical interchangeability.
