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Product Detailed Parameters
- Description：XFMR 20K 5K/5K / 600 150/150
- Series：850A
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.700" L x 1.200" W (43.18mm x 30.48mm)
- Height - Seated (Max)：1.650" (41.90mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：20k, 5k/5k
- Impedance - Secondary (Ohms)：600, 150/150
- DC Resistance (DCR) - Primary：2.24kOhm
- DC Resistance (DCR) - Secondary：69Ohm
- Transformer Type：-
- Frequency Range：20Hz ~ 20kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：-
- Insertion Loss：1dB
- Return Loss：-
- Power Level：15dB
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 850LA is an audio transformer designed for line-sealed applications. It features a primary impedance configuration of 20k ohms and 5k ohms, with secondary outputs of 600 ohms and 150 ohms. The device supports a +15dBm power level. Direct current resistance values are specified as 2240 ohms for the primary winding and 69 ohms for the secondary winding. The physical dimensions are approximately 43.2mm by 30mm.
Feature Summary
- Provides balanced audio signal isolation and impedance matching between high-impedance lines and standard low-impedance equipment.
- Constructed with a line-sealed design to ensure durability and consistent performance in professional audio environments.
Applications
- Professional audio mixing consoles
- Broadcasting transmission systems
- Telecommunications interface circuits
Procurement Notes
Verify the specific impedance tap requirements against the system design before ordering. Confirm that the +15dBm rating aligns with the signal levels of the connected audio source. Ensure the physical footprint fits within the available chassis space. Check for any regional compliance certifications required for the target market.
Selection Notes
Select this component when interfacing between high-impedance audio sources and 600-ohm or 150-ohm loads. Consider the direct current resistance limits if driving long cable runs. Evaluate the thermal environment to ensure stable operation within the specified operating range. Compare against alternative transformers if specific frequency response characteristics are critical.
Part Context
This part belongs to the Hammond Manufacturing audio transformer lineup, which focuses on signal integrity and isolation. These components are typically used in rack-mounted equipment where reliable audio transmission is essential. The series emphasizes robust construction suitable for continuous industrial use.
FAQ
What is the primary impedance configuration?
The primary side offers selectable impedances of 20k ohms and 5k ohms.
Does the transformer support multiple secondary loads?
Yes, it provides secondary outputs compatible with both 600 ohm and 150 ohm loads.
