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| Part Number | 521755-4 | 521755-2 | 521755-3 |
|---|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Product Status | Obsolete | Obsolete | Obsolete |
| Connector Type | Header | Header | Header |
| Contact Type | Tab | Tab | Tab |
| Pitch - Mating | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) |
| Number of Positions | 4 | 2 | 3 |
| Number of Rows | 1 | 1 | 1 |
| Row Spacing - Mating | - | - | - |
| Number of Positions Loaded | All | All | All |
| Style | Board to Cable/Wire | Board to Cable/Wire | Board to Cable/Wire |
| Shrouding | Shrouded - 4 Wall | Shrouded - 4 Wall | Shrouded - 4 Wall |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder |
| Fastening Type | Latch Holder | Latch Holder | Latch Holder |
| Contact Length - Mating | - | - | - |
| Contact Length - Post | 0.138" (3.50mm) | 0.138" (3.50mm) | 0.138" (3.50mm) |
| Overall Contact Length | - | - | - |
| Insulation Height | 0.504" (12.80mm) | 0.504" (12.80mm) | 0.504" (12.80mm) |
| Contact Shape | Rectangular | Rectangular | Rectangular |
| Contact Finish - Mating | Silver | Silver | Silver |
| Contact Finish Thickness - Mating | 78.7µin (2.00µm) | 78.7µin (2.00µm) | 78.7µin (2.00µm) |
| Contact Finish - Post | Silver | Silver | Silver |
| Contact Material | Brass | Brass | Brass |
| Insulation Material | Polyamide (PA66), Nylon 6/6 | Polyamide (PA66), Nylon 6/6 | Polyamide (PA66), Nylon 6/6 |
| Features | Board Guide | Board Guide | Board Guide |
| Operating Temperature | -40°C ~ 120°C | -40°C ~ 120°C | -40°C ~ 120°C |
| Ingress Protection | - | - | - |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Insulation Color | - | - | - |
| Current Rating (Amps) | - | - | - |
| Voltage Rating | 250VAC | 250VAC | 250VAC |
