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| Image | ![]() |
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| Part Number | 128 | 128PKG |
| Manufacturer | Switchcraft Inc. | Switchcraft Inc. |
| Series | Extension Jax® | Extension Jax® |
| Packaging | Bulk | Bulk |
| Product Status | Active | Active |
| Connector Type | Phone Jack | Phone Jack |
| Gender | Female | Female |
| Signal Lines | Mono | Mono |
| Industry Recognized Mating Diameter | 6.35mm (0.250", 1/4") - Headphone | 6.35mm (0.250", 1/4") - Headphone |
| Actual Diameter | 0.253" (6.43mm) | 0.253" (6.43mm) |
| Number of Positions/Contacts | 2 Conductors, 2 Contacts | 2 Conductors, 2 Contacts |
| Internal Switch(s) | Does Not Contain Switch | Does Not Contain Switch |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Termination | Solder Eyelet(s) | Solder Eyelet(s) |
| Shielding | Shielded | Shielded |
| Features | - | - |
| Insulation Color | - | - |
| Operating Temperature | - | - |
| Grade | - | - |
| Qualification | - | - |
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