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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 27.5VA CHAS
- Series：167
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：55V
- Current - Output (Max)：500mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：27.5VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：47.75mm L x 61.98mm W
- Height - Seated (Max)：63.50mm
- Voltage - Isolation：2000Vrms
- Weight：1.3 lbs (589.7 g)
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Overview
The Hammond Manufacturing 167G55 is a low voltage, filament power transformer designed for chassis mounting. It features a single primary winding rated at 115 VAC and a single secondary winding with center tap output. The unit provides a total power rating of 27.5 VA, delivering 13.75 VAC from each half of the center-tapped secondary. Constructed with a laminated core and enclosed housing, it utilizes wire leads for termination.
Feature Summary
- Enclosed construction with four-hole chassis mount design
- Single primary winding configuration for standard line voltage
- Center-tapped secondary winding providing balanced dual outputs
- Laminated core structure optimized for low voltage filament applications
Applications
- Industrial control panel power supplies
- Filament heating circuits for vacuum tubes or lamps
- Chassis-mounted equipment requiring isolated low voltage
- General purpose industrial transformers
Procurement Notes
Verify that the required secondary current does not exceed the rated capacity per leg to prevent overheating. Confirm that the chassis mounting holes align with the transformer's physical dimensions. Ensure the installation environment remains within the specified operating temperature range. Check that wire lead lengths meet the minimum requirements for safe connection. Validate compliance with local electrical safety standards before deployment.
Selection Notes
Choose this model when a compact, enclosed transformer is needed for 115 VAC input systems. Select based on the 27.5 VA power requirement and the necessity for a center-tapped secondary. Consider the chassis mount style if space constraints prohibit other mounting methods. Verify that the laminated core type meets the specific frequency and efficiency needs of the application.
Part Context
This component belongs to the Hammond 167 series of industrial power transformers. The series offers various power ratings and voltage configurations tailored for different industrial applications. The 167G55 specifically addresses needs for moderate power levels with center-tapped outputs in an enclosed format.
Replacement Considerations
F-252U by Triad Magnetics is a documented similar replacement part.
