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290EZ is listed in the Power Transformers range at ChipApex. The manufacturer field lists Hammond Manufacturing. Its product description is PWR XFMR CHAS MT. Review the specifications below when checking this part for your BOM.
Power Transformers specifications for 290EZ
- Description：PWR XFMR CHAS MT
- Series：290
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：-
- Voltage - Primary：120V
- Voltage - Secondary (Full Load)：640V, 6.3V, 5V
- Current - Output (Max)：-
- Primary Winding(s)：Single
- Secondary Winding(s)：Triple
- Center Tap：Yes
- Power - Max：-
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：101.60mm L x 95.25mm W
- Height - Seated (Max)：114.30mm
- Voltage - Isolation：-
- Weight：-
Power Transformers datasheet and documents for 290EZ
Power Transformers Overview
The Hammond Manufacturing 290EZ is a power transformer designed as a replacement for Fender guitar amplifiers within the 290 series. It features a single primary winding rated at 115 VAC and operates at 60 Hz. The secondary configuration provides three outputs: a center-tapped high voltage winding of 330-0-330 VAC, a 6.3 VAC winding rated at 4 A, and a 5 VAC winding rated at 4 A. The unit utilizes chassis mounting with wire lead termination.
Power Transformers Feature Summary
- Designed specifically as a replacement power transformer for Fender guitar amplifiers
- Features a triple secondary winding configuration for tube amplifier circuits
- Constructed with a laminated core and chassis mount style
Power Transformers Applications
- Replacement in Fender guitar amplifiers
- Tube audio equipment restoration
- Custom tube amplifier builds requiring 290 series specifications
Power Transformers Procurement Notes
Verify that the target amplifier circuit matches the 330-0-330V, 6.3V@4A, and 5V@4A secondary ratings. Confirm physical chassis dimensions and wire lead lengths are compatible with the existing enclosure layout to ensure proper installation without modification.
Power Transformers Selection Notes
Select this model only when replacing a failed transformer in Fender designs requiring the specific 290 series electrical profile. Ensure the input voltage requirement of 115 VAC aligns with the local mains supply or available taps. Verify that the chassis mounting footprint fits the amplifier cabinet.
Power Transformers Part Context
This component belongs to the Hammond 290 series, a line of power transformers widely used in vintage and modern tube guitar amplifiers. The series offers various configurations tailored to specific amplifier manufacturers, ensuring compatibility with original equipment specifications.
Power Transformers Replacement Considerations
Direct replacement for Fender amplifiers using 290 series transformers. Verify exact secondary voltage and current ratings match the original design requirements before installation.
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