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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 4.4VA TH
- Series：161
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：Parallel 5V, Series 10V
- Current - Output (Max)：Parallel 880mA, Series 440mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single, Multiple Taps
- Center Tap：No
- Power - Max：4.4VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：35.05mm L x 30.23mm W
- Height - Seated (Max)：30.99mm
- Voltage - Isolation：2000Vrms
- Weight：0.19 lb (86.18 g)
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Overview
The Hammond Manufacturing 161FA10 is a low voltage power transformer designed for PCB mounting. It features a single primary winding rated at 115 VAC and a secondary configuration of 10 VAC center-tapped, delivering a current capacity of 120 mA. The unit has a power rating of 4.4 VA and utilizes quick connect terminals for electrical interfacing. Its compact physical dimensions are approximately 38.1 mm in length, 25.4 mm in width, and 29.97 mm in height.
Feature Summary
- Designed for printed circuit board (PCB) mounting applications
- Provides isolated low voltage output from standard AC line input
- Features center-tapped secondary winding for dual polarity or rectification needs
Applications
- Low power electronic control circuits
- Signal processing equipment requiring isolated power
- Industrial instrumentation panels
Procurement Notes
Verify the specific secondary current rating against your design requirements, as sources indicate variations between 120 mA and 250 mA for similar model numbers. Confirm terminal type compatibility with your PCB layout. Ensure the 115 VAC primary rating matches your local supply voltage to prevent damage.
Selection Notes
Select this component when a compact, PCB-mountable transformer is required for low-power applications. Compare the 4.4 VA rating against total system load to ensure adequate headroom. Consider the center-tapped output if full-wave rectification is planned for the DC conversion stage.
Part Context
This part belongs to the Hammond Manufacturing power transformer series, which offers various voltage and wattage configurations. These transformers are commonly used in industrial and commercial electronics where reliable isolation and compact form factors are necessary for chassis or panel integration.
Replacement Considerations
Direct substitutes may include other Hammond models within the same series with matching VA ratings and pinouts. Verify that any replacement maintains the 115 VAC primary and 10V CT secondary specifications to ensure circuit compatibility.
