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Product Detailed Parameters
- Description：XFMR 600 150/150 / 1.2K, 300/300
- Series：850
- 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" (41.91mm)
- Termination Style：Solder Lug
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：600, 150/150
- Impedance - Secondary (Ohms)：1.2k, 300/300
- DC Resistance (DCR) - Primary：70Ohm
- DC Resistance (DCR) - Secondary：140Ohm
- Transformer Type：Broadcast Quality
- 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 850H is a discontinued audio signal transformer designed for chassis mounting. It features a primary impedance of 20k ohms and 5k/5k ohms, with secondary impedances of 600 ohms and 150/150 ohms. The unit supports solder lug termination and operates within a frequency range of 20 to 20,000 Hz. It maintains a frequency response tolerance of ±0.5dB and has a maximum seated height of 1.650 inches (41.91mm).
Feature Summary
- Designed specifically for audio signal transformation applications.
- Supports multiple primary and secondary impedance configurations.
- Utilizes solder lug termination style for circuit integration.
Applications
- Audio signal processing circuits
- Chassis-mounted audio equipment
- Signal isolation in audio systems
Procurement Notes
Verify the obsolete status of the 850H model before procurement planning. Confirm availability through authorized distributors or surplus channels. Ensure replacement part numbers are identified for current projects. Check datasheet specifications against system requirements. Validate termination styles and physical dimensions for compatibility.
Selection Notes
Select this component only if legacy compatibility is required due to its discontinued status. Evaluate the specific impedance ratios of 20k/600 and 5k/150 for circuit matching. Consider the physical constraints of the 1.650-inch height. Assess the suitability of solder lug connections for the assembly process. Review the ±0.5dB frequency response requirement for audio fidelity.
Part Context
This component belongs to the Hammond Manufacturing 850 series of audio transformers. It is categorized under signal transformers and audio transformers. The manufacturer specializes in industrial enclosures and electronic components. This specific model represents a legacy product line no longer stocked as a standard inventory item.
Replacement Considerations
The official replacement part number for the 850H is 850HA. Verify electrical equivalence between these models before substitution. Ensure mechanical fitment remains compatible with existing chassis designs.
