290BEX

Description：PWR XFMR LAMINATED CHAS MT
Series：290
Mfr：Hammond Manufacturing
Package：Box

SKU:dabde71510f5 Category: Power Transformers Brand: Hammond Manufacturing

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Product introduction

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

Power Transformers specifications for 290BEX

Description：PWR XFMR LAMINATED CHAS MT
Series：290
Mfr：Hammond Manufacturing
Package：Box
Type：Laminated Core
Voltage - Primary：240V
Voltage - Secondary (Full Load)：660V, 6V, 5V
Current - Output (Max)：138mA, 3A, 3A
Primary Winding(s)：Single
Secondary Winding(s)：Triple
Center Tap：Yes
Power - Max：-
Mounting Type：Chassis Mount
Termination Style：Wire Leads
Size / Dimension：71.45mm L x 103.20mm W
Height - Seated (Max)：87.33mm
Voltage - Isolation：-
Weight：5.4 lbs (2.4 kg)

Power Transformers datasheet and documents for 290BEX

290BEX

Power Transformers Overview

The Hammond Manufacturing 290BEX is a laminated core power transformer designed for chassis mounting in tube guitar amplifiers. It features a single primary winding rated at 240VAC operating at 50/60 Hz. The secondary configuration provides three outputs: a 660V center-tapped winding rated at 138mA, and two additional windings rated at 3A each. This component serves as a direct replacement for specific Fender amplifier models.

Power Transformers Feature Summary

Designed specifically for tube guitar amplifier applications
Chassis mount installation style with wire leads
Single primary winding with triple secondary output

Power Transformers Applications

Replacement for Fender Deluxe* amplifiers
Tube guitar amplifier power supply construction
Audio equipment repair and restoration

Power Transformers Procurement Notes

Verify the primary voltage rating of 240VAC against the target amplifier's input requirements to ensure compatibility. Confirm that the chassis dimensions accommodate the transformer's physical footprint. Check that the secondary current ratings meet the circuit's demand. Ensure the wire lead termination style matches existing wiring harnesses.

Power Transformers Selection Notes

Select this model when replacing transformers in Fender Deluxe series amplifiers requiring a 240V primary input. The 290BEX provides the necessary high-voltage secondary output for tube operation alongside lower voltage filaments. Consider the chassis mounting requirement and physical size constraints during integration into the amplifier chassis.

Power Transformers Part Context

This component belongs to the Hammond 290 Series, a line of power transformers widely used in vintage-style audio equipment. The series includes variants like the 290TX and 290PX, which differ in primary voltage and secondary configurations. These transformers are characterized by their laminated core construction and suitability for high-fidelity audio applications.