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Product Detailed Parameters
- Description：AUDIO XFMR 50 / 1.5K CHAS MNT
- Series：140EX
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.250" Dia (31.75mm)
- Height - Seated (Max)：1.000" (25.40mm)
- Termination Style：Screw Terminal
- Turns Ratio - Primary:Secondary：01:05.5
- Impedance - Primary (Ohms)：50
- Impedance - Secondary (Ohms)：1.5k
- DC Resistance (DCR) - Primary：5.3Ohm
- DC Resistance (DCR) - Secondary：116.5Ohm
- Transformer Type：-
- Frequency Range：20Hz ~ 20kHz
- Frequency Response：±1dB
- Voltage - Isolation：500Vrms
- Insertion Loss：0.9dB Typ
- Return Loss：28dB Typ
- Power Level：10dB
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 140NEX is a studio-grade audio transformer designed for impedance matching applications. It features a primary impedance of 50 Ohms and a secondary impedance of 1.5k Ohms, resulting in a turns ratio of 1:5.47. The component operates within a frequency range of 20 Hz to 20 kHz. Constructed with a metal can enclosure, the unit provides effective shielding against external electromagnetic interference sources. It is intended for chassis mounting in professional audio signal processing circuits.
Feature Summary
- Studio-grade impedance matching capability
- Metal can construction for enhanced shielding
- Chassis mount design
Applications
- Professional audio signal processing
- Impedance matching between audio stages
- Studio equipment assembly
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to ensure correct impedance and frequency specifications. Confirm that the metal can package type matches the required chassis mounting constraints. Cross-reference the manufacturer's latest datasheet to validate the 50:1500 Ohm ratio and 20Hz-20kHz operational range before integration into final designs.
Selection Notes
Select this component when precise impedance transformation between 50 Ohm and 1.5k Ohm lines is required in audio circuits. The metal can construction is suitable for environments requiring robust shielding from external noise sources. Ensure the chassis mounting style aligns with the mechanical layout of the target audio equipment enclosure.
Part Context
This component belongs to Hammond Manufacturing's line of studio-grade audio transformers. These units are engineered for high-fidelity signal transmission and impedance matching in professional audio environments. The series emphasizes reliable performance and noise reduction through specialized shielding techniques.
Replacement Considerations
Consult Hammond Manufacturing official substitution guides for verified equivalent parts. Do not assume functional compatibility with generic audio transformers due to specific impedance and frequency requirements.
