Four-position, single-row, straight receptacle connector designed for wire-to-wire applications. Features a natural colored nylon housing with UL94 V-0 flammability rating and quick connect termination. This insulated connector system offers mating alignment and retention, with a 6.81mm pitch and 4.75mm x 6.35mm tab dimensions. The free-hanging mount design is RoHS compliant.
MountingFree Hanging
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Technical Specifications
TE Connectivity 521781-1 technical specifications.
General
| Body Material | Nylon |
| Color | Natural |
| Connector System | Wire-to-Wire |
| Contact Gender | Female |
| ELV | Compliant |
| Flammability Rating | UL94 V-0 |
| Gender | Receptacle |
| Housing Color | Natural |
| Insulation | Insulated |
| Lead Free | Not Applicable |
| Length | 41.75mm |
| Material | Nylon |
| Mating Alignment | Yes (With) |
| Mating Retention | Yes (With) |
| Mount | Free Hanging |
| Number of Contacts | 4 |
| Number of Positions | 4 |
| Number of Rows | 1 |
| Orientation | Straight |
| Package Quantity | 1 |
| Packaging | Bulk |
| Pitch | 6.81mm |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | Mark III |
| Tab Thickness | 4.75mm |
| Tab Width | 6.35mm |
| Termination | Quick Connect |
Compliance
| RoHS | Compliant |
Datasheet
TE Connectivity 521781-1 Datasheet
Download the complete datasheet for TE Connectivity 521781-1 to view detailed technical specifications.
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