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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 2.5VA 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 500mA, Series 250mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Single, Multiple Taps
- Center Tap：No
- Power - Max：2.5VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：41.28mm L x 33.32mm W
- Height - Seated (Max)：28.58mm
- Voltage - Isolation：-
- Weight：0.25 lb (113.4 g)
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Overview
The Pulse Electronics 14A-2.5-10B1 is a low-frequency, open-style laminated power transformer designed for through-hole mounting. It features dual primary windings rated for 115 VAC and 230 VAC input voltages, providing flexible connectivity for global power standards. The unit delivers a single secondary output of 10 VAC. Constructed with a laminated core structure, this component is intended for general-purpose power supply applications requiring reliable isolation and voltage transformation in compact form factors.
Feature Summary
- Dual primary winding configuration supports both 115 VAC and 230 VAC operation
- Open-style laminated core design for standard low-frequency power applications
- Through-hole installation style for secure PCB integration
Applications
- General purpose AC/DC power supplies
- Industrial control equipment power stages
- Consumer electronics internal power conversion
Procurement Notes
Verify the specific datasheet version and manufacturer ordering requirements before procurement. Confirm that the 115 VAC/230 VAC dual primary rating matches your target market's electrical standards. Ensure mechanical dimensions align with the target PCB layout and enclosure constraints. Check for any RoHS or REACH compliance documentation updates from the manufacturer to meet regional regulatory standards.
Selection Notes
Select this transformer when a 10 VAC secondary output is required from standard mains voltages. The dual primary capability simplifies inventory management for global products. Consider the through-hole mounting requirement during PCB design. Evaluate the physical size against available board space. Verify thermal performance under maximum load conditions for the specific application environment.
Part Context
This component belongs to the 14A series of low-frequency power transformers from Pulse Electronics. These units are characterized by their open-style laminated construction and through-hole termination. The series provides standardized voltage transformations for various industrial and commercial power supply designs, offering a balance of performance and cost-effectiveness for non-isolated or lightly isolated applications.
Replacement Considerations
Cross-reference part numbers such as 14A-2.5-10B3 for similar specifications. Verify pinout compatibility and mechanical footprint before substitution. Ensure the replacement part meets the same electrical ratings and safety certifications. Consult official distributor databases for confirmed equivalent components.
