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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 1.1VA TH
- Series：162
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 14V, Series 28V
- Current - Output (Max)：Parallel 80mA, Series 40mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：1.1VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：34.93mm L x 28.58mm W
- Height - Seated (Max)：33.32mm
- Voltage - Isolation：2500Vrms
- Weight：0.17 lb (77.11 g)
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Overview
The Hammond Manufacturing 162D28 is a low voltage PCB mount power transformer featuring a low profile design. It supports dual primary winding configurations for 115 VAC and 230 VAC input voltages. The secondary output provides 28 VAC center-tapped at 40 mA, delivering a total power rating of 1.1 VA. This component utilizes through-hole mounting with PC pin termination. Physical dimensions are 1.38 inches in length, 1.13 inches in width, and 1.31 inches in height.
Feature Summary
- Dual primary winding configuration supporting both 115 VAC and 230 VAC input voltages
- Low profile construction designed for direct PCB mounting applications
- Center-tapped secondary output providing balanced voltage distribution
Applications
- Low voltage electronic circuit power supply integration
- Control panel transformer implementation
- Industrial equipment internal power conversion
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to confirm electrical ratings and physical dimensions. Ensure compatibility with existing PCB footprint requirements and thermal management constraints before procurement. Cross-reference datasheet specifications for insulation class and safety certifications relevant to the target application environment.
Selection Notes
Select this component when a compact, low-power transformer is required for dual-voltage primary operation. The 1.1 VA rating suits low-current control circuits. Verify that the 28V center-tapped secondary meets the downstream rectification or regulation needs. Confirm that the through-hole package aligns with the assembly process and board layout constraints.
Part Context
This transformer belongs to the Hammond 162 series, characterized by low voltage outputs and low profile form factors. The series offers various power ratings and secondary voltage options to accommodate different electronic design requirements while maintaining standard PCB mounting compatibility.
Replacement Considerations
Public confirmed substitute: DST-7-28 (Signal Transformer). Verify electrical equivalence and mechanical fit before substitution.
