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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 20VA TH
- Series：One-4-All™
- 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)：41.30mm
- Voltage - Isolation：4000Vrms
- Weight：0.9 lb (408.23 g)
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Overview
The Signal Transformer 14A-20-16 is a laminated core power transformer designed for board mount applications. It features dual primary windings rated for 115V and 230V AC input, providing global voltage compatibility. The secondary configuration offers parallel outputs of 8V at 2.5A and series outputs of 16V at 1.25A, delivering a maximum power rating of 20VA. This component utilizes PC pin termination for through-hole installation and provides 4000Vrms isolation between windings.
Feature Summary
- Dual primary winding design supports international voltage standards including 115V and 230V AC.
- Flexible secondary output options allow for parallel or series connection configurations.
- High isolation capability ensures safety with 4000Vrms dielectric strength between circuits.
Applications
- Industrial control systems requiring isolated power supplies
- Consumer electronics utilizing universal input voltages
- Medical equipment needing high isolation standards
Procurement Notes
Verify the specific datasheet revision to confirm terminal pinout and mounting hole dimensions before integration. Ensure that the thermal management strategy accounts for the 20VA power dissipation in the intended enclosure. Confirm that the PCB footprint matches the PC pin spacing exactly to prevent assembly errors during manufacturing.
Selection Notes
Select this model when universal input voltage range is required without manual switching. The dual secondary options provide flexibility for different DC rail requirements within a single component. Consider the physical dimensions and weight constraints as the laminated core construction adds volume compared to planar alternatives.
Part Context
This component belongs to the 14A Series, known as the One-4-All™ International line. The series is engineered to replace multiple discrete transformers by accommodating various global voltage inputs. It serves as a standardized solution for manufacturers targeting international markets with diverse electrical infrastructure.
Replacement Considerations
The Hammond Manufacturing 183H16 is documented as a similar alternative part number. Verify that the 183H16 meets the specific voltage and current requirements of the original design before substitution.
