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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 2.5VA CHAS MT
- Series：166
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：2.5V
- Current - Output (Max)：1A
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：2.5VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：52.32mm L x 35.05mm W
- Height - Seated (Max)：30.23mm
- Voltage - Isolation：2000Vrms
- Weight：0.3 lb (136.08 g)
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Overview
The Hammond Manufacturing 166J2 is a low voltage industrial power transformer designed for chassis mounting. It features a single primary winding rated at 115 VAC and operates at frequencies of 50 Hz or 60 Hz. The secondary output provides 2.5 VAC center-tapped configuration with a maximum current rating of 1 A. The unit has a power rating of 2.5 VA and utilizes wire leads for termination. Physical dimensions are approximately 71.37 mm in length, 38.1 mm in width, and 35.1 mm in height, weighing 317.514 g. It supports an operating temperature range from 0 C to +130 C.
Feature Summary
- Chassis mount construction with wire lead terminations
- Single primary and single secondary winding design
- Low voltage operation suitable for industrial control applications
Applications
- Industrial control panels
- Power supply circuits requiring low voltage AC input
- Equipment utilizing center-tapped secondary configurations
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to ensure correct voltage and current ratings. Confirm that the required insulation class and safety certifications match the application environment. Check datasheet specifications for thermal limits and physical mounting requirements before procurement.
Selection Notes
Select this component when a 2.5 VA capacity is sufficient for the load. Ensure the system requires a 115 VAC primary input compatible with 50/60 Hz frequencies. Verify that chassis mounting space accommodates the specified dimensions and that wire lead connections are feasible for the assembly design.
Part Context
This transformer belongs to the Hammond 166 series of industrial control transformers. The series offers various power ratings and voltage configurations tailored for general industrial use. Models within this family share similar mounting styles and termination types but differ in electrical specifications such as VA rating and secondary voltage outputs.
Replacement Considerations
Consult official Hammond Manufacturing cross-reference lists for verified substitutes. Generic replacements must match the 2.5 VA rating, 115 VAC primary, and 2.5 VAC CT secondary specifications precisely.
