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Product Detailed Parameters
- Description：AUDIO XFMR 50K / 1.5KCT CHAS MNT
- Series：145
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.630" L x 0.880" W (41.40mm x 22.35mm)
- Height - Seated (Max)：0.810" (20.57mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：50k
- Impedance - Secondary (Ohms)：1.5kCT
- DC Resistance (DCR) - Primary：2.4kOhm
- DC Resistance (DCR) - Secondary：52Ohm
- Transformer Type：Economical Open Type
- Frequency Range：150Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：50mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 145C is a chassis-mount audio transformer designed for signal coupling applications. It features a primary impedance of 50,000 Ohms and a secondary impedance of 1,500 Ohms with a center tap configuration. The unit operates within a frequency range of 20 Hz to 20 kHz, ensuring accurate audio reproduction across the standard audible spectrum. This component is engineered for reliable performance in professional audio equipment and industrial control systems requiring precise impedance matching between circuit stages.
Feature Summary
- Chassis mount construction for secure installation
- Center-tapped secondary winding configuration
- Optimized frequency response for audio signals
Applications
- Audio signal coupling in amplifiers
- Impedance matching between circuit stages
- Professional audio equipment integration
Procurement Notes
Verify the specific impedance ratio and pinout configuration against your schematic requirements before procurement. Confirm that the chassis mounting style aligns with your enclosure design constraints. Ensure the operating frequency range meets the specific audio application needs. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this transformer when a 50k:1.5k impedance transformation is required for audio applications. Consider the chassis mount form factor if panel or rack space allows for direct screw-down installation. Evaluate the center-tap feature if balanced signal paths or specific biasing requirements are necessary for the downstream circuitry.
Part Context
This component belongs to the 143-146 series of audio transformers from Hammond Manufacturing. These units are widely recognized in the industry for their durability and consistent electrical characteristics. The 145C specifically addresses the need for high-impedance input matching in vintage and modern audio designs alike.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official distributor catalogs for cross-references based on impedance and package compatibility.
