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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 0.63VA CHAS
- Series：166
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：Parallel 6.3V, Series 12.6V
- Current - Output (Max)：Parallel 100mA, Series 50mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：0.63VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：52.32mm L x 31.75mm W
- Height - Seated (Max)：30.26mm
- Voltage - Isolation：2000Vrms
- Weight：0.3 lb (136.08 g)
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Overview
The Hammond Manufacturing 166C12 is a low voltage industrial power transformer designed for chassis mounting. It features a single primary winding rated at 115 VAC and operates at 60 Hz. The secondary output provides a center-tapped configuration of 6.3/12.6 VAC with a total power rating of 0.63 VA. Current ratings are specified as 0.1 A for the 6.3V tap and 0.05 A for the full 12.6V circuit. The unit utilizes wire leads for termination and measures approximately 52.32 mm in length, 31.75 mm in width, and 30.23 mm in height.
Feature Summary
- Single primary winding construction for standard line voltage input
- Center-tapped secondary output for flexible voltage selection
- Chassis mount style with wire lead terminations
Applications
- Industrial control panel power supplies
- Low voltage equipment requiring isolated AC power
- Electronic circuits utilizing center-tapped rectification
Procurement Notes
Verify that the required secondary current does not exceed the 0.05 A limit when using the full 12.6 VAC output. Confirm that the 115 VAC primary voltage matches the available supply frequency of 60 Hz. Ensure the chassis mounting dimensions accommodate the physical footprint of the transformer within the enclosure design.
Selection Notes
Select this component when a compact, low-power transformer is needed for 115 VAC to low voltage conversion. Consider the 166 series if chassis mounting and wire leads are preferred over PCB mounting. Evaluate the 0.63 VA rating against the total load requirements of the connected circuitry to ensure adequate capacity without excessive size.
Part Context
This part belongs to the Hammond 166 Series of industrial control transformers. These units are characterized by laminated core construction and robust insulation suitable for general industrial environments. The series offers various power ratings and voltage configurations to support diverse control system needs while maintaining a standardized form factor.
Replacement Considerations
Direct substitutes include other Hammond 166 series models with identical electrical specifications but different suffixes indicating minor manufacturing variations. Verify compatibility before replacing to ensure mechanical fit and electrical performance remain unchanged.
