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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 2.5VA TH
- Series：One-4-All™
- Mfr：Signal Transformer
- Package：Box
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 6.3V, Series 12.6V
- Current - Output (Max)：Parallel 400mA, Series 200mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：2.5VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：41.30mm L x 36.50mm W
- Height - Seated (Max)：28.60mm
- Voltage - Isolation：4000Vrms
- Weight：0.25 lb (113.4 g)
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Overview
The Signal Transformer 14A-2.5R-12 is a board-mount power transformer designed for 50/60 Hz operation. It features dual primary windings rated for 115 VAC and 230 VAC, providing versatile input compatibility. The secondary configuration offers center-tapped outputs of 12.6 V at 0.20 A and 6.3 V at 0.40 A, delivering a total power rating of 2.5 VA. Constructed with laminated cores, this component utilizes through-hole mounting for secure PCB integration. Its compact physical dimensions facilitate efficient space utilization in dense electronic assemblies requiring reliable isolated power conversion.
Feature Summary
- Dual primary winding design enables flexible connection to standard 115 VAC or 230 VAC line voltages.
- Center-tapped secondary windings provide multiple voltage levels suitable for rectifier circuits.
- Laminated core construction ensures stable performance at standard 50/60 Hz frequencies.
Applications
- Servo power supply systems
- General purpose AC to DC rectification
- Low-power industrial control equipment
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm exact electrical tolerances and insulation class requirements. Ensure that the selected variant matches the intended primary voltage configuration and secondary current demands of the target application circuit before finalizing procurement orders.
Selection Notes
Select this model when a low-profile board-mount solution is required for small signal or servo applications. Confirm that the 2.5 VA power rating sufficiently supports the load current requirements. Evaluate the through-hole footprint constraints against the available PCB real estate to ensure mechanical compatibility during the design phase.
Part Context
This component belongs to the 14A series of laminated power transformers manufactured by Signal Transformer. The series provides standardized board-mount options for various power levels. The 14A-2.5R-12 specifically addresses needs for compact, low-voltage isolation in consumer and industrial electronics where space efficiency is critical.
Replacement Considerations
Consult official cross-reference lists for direct equivalents. Verify that any substitute part maintains identical pinout configurations, voltage ratings, and thermal characteristics to ensure seamless integration without redesigning the host circuit board.
