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Product Detailed Parameters
- Description：AUDIO XFMR 300CT / 600CT TH
- Series：101
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.450" L x 0.450" W (11.43mm x 11.43mm)
- Height - Seated (Max)：0.480" (12.19mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：300CT
- Impedance - Secondary (Ohms)：600CT
- DC Resistance (DCR) - Primary：20.4Ohm
- DC Resistance (DCR) - Secondary：54Ohm
- Transformer Type：Miniature Epoxy Potted
- Frequency Range：200Hz ~ 100kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：100mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 101D is a miniature audio transformer designed for printed circuit board mounting. It features pin terminals and black epoxy potted construction, creating a rugged, completely sealed unit that withstands severe conditions. The component operates within a frequency range of 150 Hz to 15 kHz. It has a single channel configuration with primary and secondary impedances of 600 ohms each. The net weight is approximately 0.1 oz (36.287 g).
Feature Summary
- PCB mount design with pin type terminals for direct board integration.
- Black epoxy potted construction provides a completely sealed unit.
- Rugged build withstands severe environmental conditions.
Applications
- Audio signal processing circuits
- Impedance matching in audio equipment
- Signal isolation in communication devices
Procurement Notes
Verify the specific impedance configuration and terminal pitch against your PCB layout requirements before ordering. Confirm that the epoxy potting meets your thermal and mechanical stress standards. Ensure compatibility with your assembly process for through-hole components. Check for any regional shipping restrictions or special handling instructions provided by the manufacturer or distributor.
Selection Notes
Select this component when a compact, sealed audio transformer is required for PCB applications. The 600-ohm impedance matches standard audio line levels. Consider the physical dimensions and weight constraints of your design. Verify that the operating frequency range covers your application's signal spectrum. Ensure the through-hole mounting method fits your manufacturing capabilities.
Part Context
This part belongs to Hammond Manufacturing's series of audio and signal transformers. It is distinct from their enclosure products like the R101 series. The 101D is specifically engineered for low-power audio signal transmission and isolation rather than power conversion or high-voltage applications.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult Hammond Manufacturing for equivalent models if availability is an issue.
FAQ
What is the impedance of the 101D transformer?
Both the primary and secondary windings have an impedance of 600 ohms.
Is the 101D transformer sealed?
Yes, it features black epoxy potted construction, making it a completely sealed unit.
What is the frequency range of the 101D?
The operational frequency range is 150 Hz to 15 kHz.
