290CAZ

Description：PWR XFMR 81VA CHAS MT
Series：290
Mfr：Hammond Manufacturing
Package：Bulk

SKU:27770409293e Category: Power Transformers Brand: Hammond Manufacturing

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Product introduction

290CAZ is listed in the Power Transformers range at ChipApex. The manufacturer field lists Hammond Manufacturing. Its product description is PWR XFMR 81VA CHAS MT. Review the specifications below when checking this part for your BOM.

Power Transformers specifications for 290CAZ

Description：PWR XFMR 81VA CHAS MT
Series：290
Mfr：Hammond Manufacturing
Package：Bulk
Type：-
Voltage - Primary：117V
Voltage - Secondary (Full Load)：625V, 6.3V
Current - Output (Max)：100mA, 3A
Primary Winding(s)：Single
Secondary Winding(s)：Dual
Center Tap：Yes
Power - Max：81VA
Mounting Type：Chassis Mount
Termination Style：Wire Leads
Size / Dimension：79.38mm L x 93.62mm W
Height - Seated (Max)：96.39mm
Voltage - Isolation：-
Weight：-

Power Transformers datasheet and documents for 290CAZ

290CAZ

Power Transformers Overview

The Hammond Manufacturing 290CAZ is a power transformer designed for tube application, specifically serving as a replacement component for Fender Bassman 59* (Reissue) amplifiers. It features a single primary winding rated at 120V @ 60 Hz and a triple secondary winding configuration. The high-voltage secondary provides 313V-0-313V at 132mA, while the auxiliary secondaries deliver 6.3VCT at 4A. This chassis-mount unit utilizes wire leads for termination and is constructed with a laminated core.

Power Transformers Feature Summary

Designed specifically for tube amplifier applications
Provides multiple secondary voltage outputs for different circuit sections
Chassis mount installation style with wire lead termination

Power Transformers Applications

Replacement for Fender Bassman 59* (Reissue) guitar amplifiers
Tube audio equipment power supply systems
Industrial control transformer circuits requiring specific voltage taps

Power Transformers Procurement Notes

Verify that the target amplifier model matches the specified Fender Bassman 59* (Reissue) requirement before procurement. Confirm that the existing wiring harness accommodates the wire lead termination style of this transformer. Ensure the physical chassis dimensions allow for proper mounting clearance. Cross-reference the secondary voltage ratings with the original equipment specifications to guarantee compatibility with the vacuum tube plate and bias circuits.

Power Transformers Selection Notes

Select the 290CAZ when replacing a failed power transformer in compatible vintage-style tube amplifiers. This model offers the necessary voltage regulation and current capacity for both the high-voltage rectification stage and the low-voltage heater supplies. Consider the chassis mounting requirements and available space within the amplifier enclosure. Verify that the single primary input aligns with the local mains voltage frequency and amplitude standards.

Power Transformers Part Context

This component belongs to the Hammond Manufacturing 290 series of power transformers, which are widely used in the audio industry for tube-based equipment. The series includes various models tailored for different amplifier brands and power requirements. The 290CAZ is distinct due to its specific voltage tap configuration optimized for classic American tube amplifier designs.