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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 20VA TH
- Series：International PC Plug-In
- Mfr：Pulse Electronics
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 5V, Series 10V
- Current - Output (Max)：Parallel 4A, Series 2A
- Primary Winding(s)：Dual
- Secondary Winding(s)：Single, Multiple Taps
- Center Tap：No
- Power - Max：20VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：57.15mm L x 47.63mm W
- Height - Seated (Max)：41.28mm
- Voltage - Isolation：-
- Weight：0.9 lb (408.23 g)
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Overview
The Pulse Electronics 14A-20-10B4 is a laminated core power transformer designed for through-hole mounting. It features dual primary windings rated for 115 VAC and 230 VAC input voltages. The unit has a maximum power capacity of 20 VA. This component is classified as an active product within the Power Transformers - Board Mount category.
Feature Summary
- Laminated core construction for efficient magnetic coupling
- Dual primary winding configuration supporting multiple voltage inputs
- Through-hole mounting style for secure board attachment
Applications
- Low frequency power conversion circuits
- Board mount power supply implementations
- Industrial equipment requiring isolated power stages
Procurement Notes
Verify the specific secondary voltage and current ratings required for your design, as datasheets may list variations or parallel/series output configurations. Confirm that the physical dimensions and pinout match your PCB footprint before finalizing orders. Ensure the operating environment stays within the thermal limits specified by the manufacturer to maintain reliability and performance standards over time.
Selection Notes
Select this model when a 20 VA capacity is sufficient for the load requirements. The dual primary winding allows flexibility for different regional mains voltages without changing components. Consider the through-hole form factor if mechanical stability against vibration is a priority compared to surface-mount alternatives.
Part Context
This part belongs to the 14A series of low-frequency open-style laminated power transformers from Pulse Electronics. These components are engineered for general-purpose power isolation in electronic systems. The series offers various voltage and power combinations to suit diverse industrial and commercial applications requiring reliable AC-to-AC transformation.
Replacement Considerations
Check for compatible parts with identical 20 VA ratings and dual primary specifications. Verify that substitute models match the physical envelope and mounting hole patterns to ensure direct interchangeability without PCB redesign.
