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Product Detailed Parameters
- Description：AUDIO XFMR 10K / 2KCT TH
- Series：104
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.860" L x 0.710" W (21.84mm x 18.03mm)
- Height - Seated (Max)：0.750" (19.05mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：10k
- Impedance - Secondary (Ohms)：2kCT
- DC Resistance (DCR) - Primary：598.7Ohm
- DC Resistance (DCR) - Secondary：79.19Ohm
- Transformer Type：Miniature Epoxy Potted
- Frequency Range：200Hz
- Frequency Response：-1dB
- Voltage - Isolation：250V
- Insertion Loss：1dB
- Return Loss：-
- Power Level：35mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 104H is an audio and signal transformer designed for pin terminal mounting. It features a potted construction with an unshielded design. The primary winding impedance is specified at 20,000 ohms, while the secondary winding offers a center-tapped configuration of 1,000 ohms CT. Electrical resistance values include 675 ohms for the primary coil and 89 ohms for the secondary coil. This component belongs to the 104 series and is classified under audio transformers.
Feature Summary
- Potted construction for environmental protection
- Pin terminal mounting style
- Unshielded core design
Applications
- Audio signal processing circuits
- Impedance matching in audio equipment
- Signal isolation in low-frequency applications
Procurement Notes
Verify the specific datasheet version for the 104H model to confirm exact electrical tolerances and thermal ratings. Ensure compatibility with existing circuit board layouts regarding pin terminal spacing. Cross-reference manufacturer documentation for any updates to RoHS compliance status or material specifications prior to final procurement approval.
Selection Notes
Select this transformer when a 20k:1kCT impedance ratio is required for audio stages. Consider the unshielded nature for placement away from sensitive magnetic components. Verify that the pin terminal interface matches the target PCB footprint. Evaluate thermal dissipation requirements based on the potted enclosure design and expected power levels in the application.
Part Context
The 104H is part of Hammond Manufacturing's 104 series of audio transformers. These components are engineered for general-purpose audio signal handling. The series provides standardized impedance ratios suitable for various audio interfacing tasks. Hammond Manufacturing specializes in enclosures and electromagnetic components for industrial and consumer electronics.
Replacement Considerations
The 104K is a related variant within the same series. Verify if the 104K's secondary resistance and impedance characteristics meet the specific circuit requirements as a potential substitute.
