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DPC-56-20
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 1.2VA TH
- Series：DPC
- Mfr：Signal Transformer
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 28V, Series 56V
- Current - Output (Max)：Parallel 40mA, Series 20mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：1.2VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：34.90mm L x 28.60mm W
- Height - Seated (Max)：30.15mm
- Voltage - Isolation：1500Vrms
- Weight：0.188 lb (85.28 g)
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Overview
The Signal Transformer DPC-56-20 is a miniature laminated core power transformer designed for printed circuit board mounting. It features dual primary windings rated for 115 VAC and 230 VAC operation at 50 Hz or 60 Hz frequencies. The unit provides dual secondary outputs, delivering 28 VAC at 40 mA in parallel configuration and 56 VAC at 20 mA in series configuration. With a total power rating of 1.2 VA, the component measures 34.9 mm in length, 30.15 mm in height, and utilizes through-hole installation technology.
Feature Summary
- Dual primary winding design supports flexible input voltage selection between 115 VAC and 230 VAC.
- Integrated dual secondary output capability allows for selectable parallel or series voltage configurations.
- Compact laminated core construction optimized for space-constrained printed circuit board applications.
Applications
- Low-power industrial control circuits
- Consumer electronics power supplies
- Instrumentation signal conditioning
Procurement Notes
Verify that the specific order matches the DPC-56-20 designation to ensure correct secondary current ratings. Confirm that the application environment remains within standard operating temperature limits. Check for RoHS compliance documentation if environmental regulations apply. Ensure PCB layout accommodates the through-hole pin spacing and physical dimensions provided in the official datasheet.
Selection Notes
Select this component when a compact transformer with dual secondary options is required. The 1.2 VA rating suits low-current applications. Verify that the 50/60 Hz frequency range aligns with the system power source. Consider the through-hole mounting style against available PCB real estate and assembly methods.
Part Context
This part belongs to the PC/DPC series of miniature low-power transformers from Signal Transformer. These components are engineered for general-purpose power conversion in electronic assemblies. The series emphasizes small form factors while maintaining reliable electrical isolation between primary and secondary circuits.
Replacement Considerations
Consult official manufacturer substitution lists for verified equivalents. Generic cross-references may not match the specific dual secondary current characteristics or physical footprint requirements.
