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Product Detailed Parameters
- Description：AUDIO XFMR 2K / 200CT 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)：2k
- Impedance - Secondary (Ohms)：200CT
- DC Resistance (DCR) - Primary：140Ohm
- DC Resistance (DCR) - Secondary：9Ohm
- Transformer Type：Economical Open Type
- Frequency Range：150Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：135mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 145G is an audio transformer designed for chassis mounting. It features a driver configuration with a primary impedance of 2000 ohms and a secondary impedance of 200 ohms center-tapped. The component operates within a frequency range of 150 Hz to 15 kHz. It utilizes a small, economical open bracket design with two horizontal mounting holes. The unit includes insulated, color-coded flexible leads with a minimum length of 4 inches.
Feature Summary
- Chassis mount construction with open two-hole horizontal bracket
- Driver configuration with specified primary and secondary impedances
- Insulated color-coded flexible leads for connection
Applications
- Audio signal transmission in chassis-mounted equipment
- Impedance matching in audio driver circuits
- Signal transformation in professional audio systems
Procurement Notes
Verify the specific impedance ratio and lead length requirements against your circuit design before ordering. Confirm that the chassis mounting style aligns with your enclosure layout. Ensure the operating frequency range meets your application needs. Check for any updated datasheet revisions that may affect mechanical dimensions or electrical characteristics.
Selection Notes
Select this model when a dedicated audio driver transformer with a 2000:200 CT impedance ratio is required. Consider the chassis mount form factor if panel space is limited. Evaluate the lead length suitability for internal wiring routing. Compare against other series models if different impedance ratios or frequency responses are necessary.
Part Context
This component belongs to the Hammond 143-146 Series of audio transformers. These units are generally used in audio applications requiring specific impedance transformations. The series offers various configurations for drivers and receivers, providing standardized solutions for audio signal processing tasks in industrial and commercial equipment.
Replacement Considerations
Consult official Hammond Manufacturing documentation for cross-reference data. Verify compatibility with existing mounting hardware and wiring constraints. Ensure substitute components meet the same electrical specifications and physical dimensions.
