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Product Detailed Parameters
- Description：Tools/Equipment/Hardware
- Series：161
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：-
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：Parallel 28V, Series 56V
- Current - Output (Max)：Parallel 160mA, Series 80mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：4.4VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：-
- Height - Seated (Max)：36.83mm
- Voltage - Isolation：2000Vrms
- Weight：-
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Overview
The Hammond Manufacturing 161F56-BULK is a laminated core power transformer designed for low voltage PCB mounting. It features a single primary winding rated at 115V and a secondary configuration providing 56V center-tapped output at 80mA, or parallel 28V at 160mA. The unit has a maximum power rating of 4.4VA and utilizes through-hole PC pin termination. It offers 2500Vrms isolation voltage and complies with RoHS3 standards.
Feature Summary
- Laminated core construction for efficient power conversion
- Low voltage design optimized for printed circuit board integration
- Flexible secondary output options including center-tapped or parallel configurations
- Through-hole mounting style for secure mechanical attachment
Applications
- Low voltage electronic circuit power supplies
- Control panel transformer applications
- Industrial equipment internal power distribution
Procurement Notes
Verify the specific suffix against official Hammond Manufacturing documentation to confirm exact electrical parameters and physical dimensions. Ensure the procurement matches the required secondary configuration, as variations exist within the series. Cross-reference the datasheet for insulation class and thermal ratings before finalizing the order to guarantee compatibility with the target system requirements.
Selection Notes
Select this component when a compact, low-voltage transformer is required for PCB-based designs. The 4.4VA rating suits moderate current loads. Consider the available secondary configurations to match the rectification or regulation stage of the power supply design. Verify that the 115V primary input aligns with the local mains voltage standard.
Part Context
This part belongs to the Hammond Manufacturing 160-161 Series of low voltage PC board mount transformers. This family ranges from 0.5 VA to 24 VA, offering various primary and secondary combinations. The 161F56 represents a mid-range power option within this standardized lineup, sharing common mounting footprints and core technologies with adjacent models.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
