The 140PEX is a line matching audio transformer with a 1:1, 1:2, and 1:4 turns ratio. It features a maximum DCR of 58 ohms on the primary side and 190 ohms on the secondary side. The transformer has a high potential of 500Vrms and a maximum insertion loss of less than 0.8. The frequency response is within ±1dB. The 140PEX is available in a flange mount package with a product length of 58.93mm, depth of 33.78mm, and height of 25.4mm.
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Hammond 140PEX technical specifications.
| Mounting | Flange Mount |
| Lead Style | Wire Lead |
| Number of Terminals | 8 |
| Product Length (mm) | 58.93 |
| Product Depth (mm) | 33.78 |
| Product Height (mm) | 25.4 |
| Transformer Type | Line Matching Audio Transformer |
| Turns Ratio | 1:1/1:2/1:4 |
| Maximum DCR Primary Side | 58(Typ)Ohm |
| Maximum DCR Secondary Side | 190(Typ)Ohm |
| High Potential | 500Vrms |
| Maximum Insertion Loss | <0.8dB |
| Minimum Return Loss | 30(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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