The 140UEX is a line matching audio transformer with a 1:1 turns ratio, suitable for high-voltage applications up to 500Vrms. It features a flange mount design with wire leads and a compact form factor, measuring 57.15mm in length, 31.75mm in depth, and 27.84mm in height. The transformer exhibits a maximum insertion loss of less than 1 dB and a minimum return loss of 20 dB typ. It is designed for use in audio applications, with a frequency response of ±1 dB.
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Hammond 140UEX technical specifications.
| Mounting | Flange Mount |
| Lead Style | Wire Lead |
| Number of Terminals | 4 |
| Product Length (mm) | 57.15 |
| Product Depth (mm) | 31.75 |
| Product Height (mm) | 27.84 |
| Transformer Type | Line Matching Audio Transformer |
| Turns Ratio | 1:1 |
| Maximum DCR Primary Side | 886(Typ)Ohm |
| Maximum DCR Secondary Side | 903.5(Typ)Ohm |
| High Potential | 500Vrms |
| Maximum Insertion Loss | <1dB |
| Minimum Return Loss | 20(Typ)dB |
| Frequency Response | ±1dB |
| Cage Code | 73831 |
| EU RoHS | Yes |
| HTS Code | 8504314035 |
| Schedule B | 8504314035 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU |
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