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Product Detailed Parameters
- Description：AUDIO XFMR 10KCT / 10KCT TH
- Series：109
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：1.315" L x 0.930" W (33.40mm x 23.62mm)
- Height - Seated (Max)：0.920" (23.37mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：10kCT
- Impedance - Secondary (Ohms)：10kCT
- DC Resistance (DCR) - Primary：700Ohm
- DC Resistance (DCR) - Secondary：1kOhm
- Transformer Type：Miniature Epoxy Potted
- Frequency Range：300Hz ~ 50kHz
- Frequency Response：±1.5dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：2W
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 109T is a potted audio transformer designed for through-hole mounting. It features a primary impedance of 10,000 ohms center-tapped and a secondary impedance of 10,000 ohms center-tapped. The device operates within a frequency range of 300 Hz to 50 kHz. Maximum DC resistance is specified at 700 ohms. The unit supports a power level of 2 watts. Physical dimensions are 1.315 inches in length, 0.93 inches in width, and 0.92 inches in height.
Feature Summary
- Center-tapped primary and secondary windings provide balanced signal handling capabilities.
- Potted construction ensures mechanical stability and environmental protection.
- Through-hole pin terminal design facilitates standard printed circuit board integration.
Applications
- Audio signal processing circuits
- Impedance matching between stages
- Balanced line driving applications
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to confirm exact electrical characteristics. Ensure the selected variant matches the required center-tapped configuration and power rating for the intended application. Cross-reference datasheet specifications with system requirements before procurement.
Selection Notes
Select this component based on the requirement for matched 10k center-tapped impedances. Confirm that the 300 Hz to 50 kHz frequency response aligns with the operational bandwidth. Verify that the physical footprint and through-hole termination style fit the PCB layout constraints.
Part Context
The 109T belongs to the Hammond 109 series of audio transformers. This series provides various impedance configurations for professional audio equipment. The 109T specifically addresses applications requiring high-impedance balanced connections. It complements other variants in the series offering different impedance ratios.
Replacement Considerations
Consult official Hammond Manufacturing substitution guides for verified equivalent part numbers. Do not assume interchangeability with generic audio transformers due to specific winding and impedance tolerances.
