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DPC-20-220
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 4.4VA TH
- Series：DPC
- Mfr：Signal Transformer
- Package：Bulk,Box
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 10V, Series 20V
- Current - Output (Max)：Parallel 440mA, Series 220mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：4.4VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：41.30mm L x 31.80mm W
- Height - Seated (Max)：34.92mm
- Voltage - Isolation：1500Vrms
- Weight：0.313 lb (141.97 g)
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Overview
The DPC-20-220 is a laminated core power transformer from the PC series, designed for through-hole mounting. It features dual primary windings rated for 115 VAC and 230 VAC operation across a frequency range of 50 Hz to 500 Hz. The unit provides two secondary windings with configurable outputs: parallel connection yields 10 V at 440 mA, while series connection provides 20 V at 220 mA. The total power rating is 4.4 VA. Physical dimensions are 41.3 mm in length, 57.2 mm in width, and 34.93 mm in height.
Feature Summary
- Dual primary winding configuration supports flexible input voltage selection between 115 VAC and 230 VAC.
- Dual secondary windings allow for versatile output voltage and current configurations via parallel or series connections.
- Laminated core construction ensures stable performance within the specified operating frequency range.
Applications
- General purpose AC power supply circuits
- Industrial control panel power distribution
- Electronics equipment requiring isolated low-voltage DC conversion
Procurement Notes
Verify that the specific order matches the DPC-20-220 designation to ensure correct voltage and current ratings. Confirm that the application environment remains within the standard operating temperature limits defined by the manufacturer. Ensure PCB layout accommodates the through-hole mounting style and physical footprint dimensions. Check for any regional compliance requirements regarding RoHS standards before finalizing procurement.
Selection Notes
Select this component when a 4.4 VA isolation barrier is required for mains-powered applications. Choose the parallel secondary configuration if higher current at lower voltage is needed. Opt for the series secondary setup when higher voltage output is necessary. Ensure the available board space meets the 41.3 mm x 57.2 mm requirement. Verify that the operating frequency falls within the 50 Hz to 500 Hz range for optimal efficiency.
Part Context
This transformer belongs to the PC series of power transformers manufactured by Signal Transformer, now part of Bel Fuse. The series is characterized by laminated core designs suitable for general-purpose applications. These components are widely used in industrial and commercial electronics where reliable electrical isolation and standardized form factors are required for integration into printed circuit boards.
Replacement Considerations
Direct substitutes include other 4.4 VA through-hole transformers with identical pinout and voltage ratings. Verify that alternative parts support both 115 VAC and 230 VAC primary inputs. Ensure replacement units maintain the same secondary winding configuration options. Cross-reference physical dimensions to guarantee compatibility with existing PCB footprints.
