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DPC-20-45
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 1VA TH
- Series：DPC
- Mfr：Signal Transformer
- Package：Bulk,Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 10V, Series 20V
- Current - Output (Max)：Parallel 90mA, Series 45mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：1VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：25.40mm L x 34.92mm W
- Height - Seated (Max)：21.08mm
- Voltage - Isolation：1500Vrms
- Weight：0.157 lb (71.21 g)
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Overview
The Signal Transformer DPC-20-45 is a laminated core power transformer designed for through-hole mounting. It features dual primary windings rated for 115 VAC and 230 VAC operation in parallel configuration. The secondary output provides 20 VAC with a center tap, equivalent to 10 VAC per section when connected in series. With a maximum power rating of 1 VA, this component utilizes PC pin termination for secure board integration.
Feature Summary
- Dual primary winding design supporting both 115 VAC and 230 VAC input voltages
- Secondary output configured as 20 VAC with center tap capability
- Laminated core construction optimized for standard frequency applications
- Through-hole mounting style with PC pin termination
Applications
- Servo power supply circuits
- Low-power electronic control systems
- Industrial equipment requiring isolated AC voltage conversion
Procurement Notes
Verify the specific datasheet version for the DPC-20-45 to confirm RoHS compliance status and exact physical dimensions prior to finalizing procurement. Ensure that the required current capacity aligns with the 1 VA rating for your specific application load. Cross-reference the manufacturer's latest documentation to validate any potential changes in packaging or material specifications.
Selection Notes
Select the DPC-20-45 when a compact, low-power transformer is needed for servo or control applications. Its dual primary configuration allows flexibility for different regional line voltages without changing components. The through-hole format ensures robust mechanical attachment on printed circuit boards where surface mount options are unsuitable.
Part Context
This component belongs to the DPC series of miniature power transformers manufactured by Signal Transformer. These units are characterized by their small footprint and low power ratings, making them suitable for space-constrained designs. The series typically employs laminated cores to provide efficient magnetic coupling at standard power frequencies.
Replacement Considerations
The DPC-16-1500 is a related part within the same product family but differs significantly in power rating (24 VA) and secondary voltage configuration. Verify electrical compatibility before substitution, as the higher power handling and different voltage outputs may not suit all original design constraints.
