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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 3.5VA CHAS MT
- Series：166
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：14V
- Current - Output (Max)：250mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：3.5VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：60.45mm L x 34.29mm W
- Height - Seated (Max)：36.32mm
- Voltage - Isolation：2000Vrms
- Weight：0.4 lb (181.44 g)
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Overview
The Hammond Manufacturing 166F14 is a low voltage industrial control transformer designed for chassis mounting. It features a single primary winding rated for 115 VAC input at 50 Hz or 60 Hz frequencies. The unit provides a single secondary output of 14 VAC center-tapped, delivering a maximum current of 250 mA with a power rating of 3.5 VA. Physical dimensions are approximately 71.4 mm in length, 38.1 mm in width, and 35.1 mm in height. It utilizes wire leads for termination and operates within a temperature range of 0°C to +130°C.
Feature Summary
- Chassis mount design with wire lead terminations
- Single primary and single secondary winding configuration
- Low voltage operation suitable for industrial control circuits
Applications
- Industrial control panels
- Automation equipment power supplies
- Machine tool control systems
Procurement Notes
Verify the specific secondary voltage and current requirements against the 14 VAC CT, 250 mA specifications before ordering. Confirm that the chassis mounting style and wire lead termination method align with the assembly design. Ensure the operating environment stays within the 0°C to +130°C temperature limits. Check for RoHS compliance status if required by project regulations.
Selection Notes
Select this model when a compact, low-power transformer is needed for 115 VAC to 14 VAC conversion. The 3.5 VA rating suits light load applications. Consider the physical footprint of 71.4 x 38.1 x 35.1 mm for enclosure space constraints. The center-tapped secondary allows for dual polarity or rectifier circuit configurations.
Part Context
This component belongs to the Hammond 166 series of industrial control transformers. The series offers various power ratings and voltage combinations while maintaining consistent chassis mounting and wire lead termination styles. The 166F14 represents the lower end of the power spectrum within this family, providing efficient step-down capability for sensitive control electronics.
Replacement Considerations
Direct substitutes may include other Hammond 166 series models with identical electrical parameters but different suffixes indicating minor manufacturing variations. Verify that any replacement maintains the same 3.5 VA rating, 14 VAC CT output, and physical dimensions to ensure fitment.
