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Product Detailed Parameters
- Description：AUDIO XFMR CHAS MNT
- Series：800A
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：1.250" (31.75mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：-
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：-
- Frequency Range：50Hz ~ 15kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：15dB
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 813A is a high-voltage plate power transformer designed for industrial control applications. It features a single primary winding rated for 115 VAC and 230 VAC input, stepping up to a 3 kVAC center-tapped secondary output. The unit delivers a secondary current rating of 400 mA with a total power capacity of 1.2 kVA. Constructed for chassis mounting, the transformer utilizes wire leads for electrical termination. It operates within a temperature range of 0°C to +105°C at standard frequencies of 50 Hz or 60 Hz.
Feature Summary
- Designed specifically for general-purpose use and replacement in push-pull tube output circuits
- Provides high voltage isolation with a center-tapped secondary configuration
- Supports dual primary voltage inputs for flexible integration into various power systems
Applications
- Push-pull tube audio output circuits
- Industrial control equipment requiring high voltage isolation
- General-purpose high voltage power supply applications
Procurement Notes
Verify that the specific application requires a 1.2 kVA rating and 3 kVAC center-tapped output before procurement. Confirm chassis mounting compatibility and wire lead termination requirements against existing system constraints. Ensure operating temperatures remain within the specified 0°C to +105°C range during installation. Cross-reference the manufacturer datasheet for precise dimensional tolerances and insulation class specifications to guarantee safe integration.
Selection Notes
Select this component when a dedicated high voltage step-up transformer is required for tube-based circuitry. The 813A is suitable for designs needing a robust 1.2 kVA capacity with a 400 mA secondary limit. Consider the physical dimensions of 177.8 mm by 127 mm by 165.1 mm for enclosure planning. This model is appropriate for environments where chassis mounting and wire lead connections are preferred over PCB soldering.
Part Context
The 813A belongs to the Hammond Manufacturing 700 series of industrial control transformers. This series focuses on providing reliable power conversion for heavy-duty applications. The 813A specifically addresses the need for high voltage generation in industrial settings, distinguishing itself from low voltage distribution transformers through its specialized step-up ratio and center-tapped design.
FAQ
What is the secondary voltage configuration of the 813A?
The secondary output is configured as a 3 kVAC center-tapped (C.T.) winding.
Can the 813A be used for push-pull tube amplifier replacements?
Yes, it is explicitly designed for general-purpose use and replacement in push-pull tube output circuits.
