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Product Detailed Parameters
- Description：AUDIO XFMR 600CT / 250CT TH
- Series：108
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：1.030" L x 0.770" W (26.16mm x 19.56mm)
- Height - Seated (Max)：0.770" (19.56mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：1.55:1
- Impedance - Primary (Ohms)：600CT
- Impedance - Secondary (Ohms)：250CT
- DC Resistance (DCR) - Primary：54Ohm
- DC Resistance (DCR) - Secondary：27Ohm
- Transformer Type：Miniature Epoxy Potted
- Frequency Range：300Hz ~ 50kHz
- Frequency Response：±1.5dB
- Voltage - Isolation：100VRMS
- Insertion Loss：-
- Return Loss：-
- Power Level：500mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 108G is an audio transformer designed for signal applications. It features a primary impedance of 600CT and a secondary impedance of 250CT, with a turns ratio of 13.71:1. The device operates within a frequency range of 300Hz to 50kHz and has a frequency response of ±1.75dB. It supports a power level of 500mW and provides 100VRMS isolation voltage. The unit utilizes through-hole mounting with PC pin termination and measures 1.030 inches in length by 0.770 inches in width.
Feature Summary
- Micro epoxy encapsulated construction for durability
- Through-hole mounting with PC pin termination
- Specific impedance matching for audio signal transmission
Applications
- Audio signal processing circuits
- Impedance matching in audio equipment
- Signal isolation in electronic systems
Procurement Notes
Verify the specific datasheet version for the 108G model to confirm exact electrical tolerances and physical dimensions. Ensure compatibility with existing PCB layouts regarding through-hole spacing and height constraints. Cross-reference manufacturer documentation for any updates on material compliance or RoHS status prior to final procurement decisions.
Selection Notes
Select this component when a 600CT to 250CT audio transformer is required for signal integrity. Consider the 500mW power handling and frequency response limits for your specific application bandwidth. Verify that the micro epoxy encapsulation meets environmental requirements for the intended operating conditions.
Part Context
The 108G belongs to the Hammond Manufacturing 108 series of audio transformers. This series is characterized by micro epoxy encapsulation and through-hole mounting options. Similar models in the series may offer different impedance ratios or power ratings, such as the 108E variant which features a 3.2 ohm secondary impedance.
Replacement Considerations
The 108E is a related part within the same series but differs in secondary impedance (3.2 ohms vs 250 ohms). Direct substitution requires verification of circuit impedance matching requirements. No other public substitute part numbers are confirmed for the 108G.
