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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 3.78VA CHAS
- Series：166
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：12.6V
- Current - Output (Max)：300mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：3.78VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：60.45mm L x 35.05mm W
- Height - Seated (Max)：35.05mm
- Voltage - Isolation：2000Vrms
- Weight：0.4 lb (181.44 g)
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Overview
The Hammond Manufacturing 166F12 is a low voltage industrial control transformer featuring a laminated core and single primary winding. It operates at 115 VAC primary voltage with a 12.6 VAC center-tapped secondary output. The unit provides a power rating of 3.78 VA and supports a maximum secondary current of 0.3 A. Designed for chassis mounting, it utilizes wire leads for termination. The component functions within an ambient temperature range of 0°C to +130°C and is compatible with 50 Hz or 60 Hz frequencies.
Feature Summary
- Chassis mount design with wire lead terminations
- Laminated core construction for efficient operation
- Single primary and single secondary winding configuration
- Center-tapped secondary output capability
Applications
- Industrial control panels requiring low voltage AC power
- Equipment needing 12.6V center-tapped supply
- Chassis-mounted electronic assemblies
Procurement Notes
Verify the specific datasheet version for the 166F12 to confirm exact dimensional tolerances and insulation class ratings before integration. Ensure the application environment remains within the specified 0°C to +130°C operating temperature range. Confirm that the chassis mounting holes align with the physical footprint provided in the official manufacturer documentation. Check for any regional shipping restrictions related to product weight or size if applicable.
Selection Notes
Select the 166F12 when a compact, chassis-mountable transformer is required for 115V input systems. This model is suitable for applications demanding a 12.6V center-tapped output with a 3.78 VA capacity. Consider the wire lead termination style for direct wiring connections. Evaluate the physical dimensions against available panel space to ensure proper fitment within the enclosure design constraints.
Part Context
The 166F12 belongs to the Hammond Manufacturing 166 series of industrial control transformers. This series is characterized by robust construction and standardized form factors for easy integration into various electrical enclosures. The 166 series offers multiple voltage and wattage options to accommodate diverse low voltage power requirements in industrial settings.
Replacement Considerations
Consult the official Hammond Manufacturing cross-reference list for verified substitute part numbers. Ensure any replacement maintains identical voltage ratings, current capacity, and physical mounting dimensions.
