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Product Detailed Parameters
- Description：AUDIO XFMR 30KCT / 1.2KCT TH
- Series：141
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.780" L x 0.660" W (19.81mm x 16.76mm)
- Height - Seated (Max)：0.460" (11.68mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：30kCT
- Impedance - Secondary (Ohms)：1.2kCT
- DC Resistance (DCR) - Primary：1.1kOhm
- DC Resistance (DCR) - Secondary：47Ohm
- Transformer Type：Low Profile, Open Type
- Frequency Range：200Hz ~ 15kHz
- Frequency Response：±2dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：100mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 141M is a low-profile audio transformer designed for printed circuit board mounting. It features a radial termination style and operates within a frequency range of 200 Hz to 15 kHz. The unit has a primary impedance of 200,000 ohms and a secondary impedance of 1,000 ohms. Power rating is specified at 100 mW. Physical dimensions are 0.78 inches in length, 0.66 inches in width, and 0.46 inches in height. The component is unshielded and complies with RoHS standards.
Feature Summary
- Low-profile design optimized for space-constrained PCB applications
- Radial termination for direct surface-mount integration
- Unshielded construction suitable for non-interference environments
Applications
- Audio signal processing circuits
- Impedance matching in audio equipment
- Signal transformation in electronic devices
Procurement Notes
Verify the specific impedance ratio and power rating against the official datasheet before procurement, as variations may exist within the 141 series. Confirm RoHS compliance status and packaging type directly with the manufacturer or authorized distributor to ensure alignment with project requirements. Cross-reference the part number with current availability lists to avoid discrepancies.
Selection Notes
Select the 141M when a low-profile audio transformer with a 200k:1k impedance ratio is required for PCB assembly. Ensure the application environment does not require shielding, as this model is unshielded. Verify that the operating frequency range of 200 Hz to 15 kHz meets the system's bandwidth needs. Consider the radial lead configuration for appropriate board layout planning.
Part Context
The 141M belongs to the Hammond 141 series of audio transformers. This series is characterized by low-profile constructions intended for printed circuit board mounting. The components are designed for audio and signal transformation tasks, offering specific impedance ratios tailored for electronic signal processing applications.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult Hammond Manufacturing for potential alternatives if the 141M is discontinued or unavailable.
