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| Part Number | 851-43-004-20-001000 | 851-43-003-10-001000 | 851-43-004-10-001000 | 851-43-006-10-001000 | 851-13-004-10-003000 |
| Manufacturer | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. |
| Series | 851 | 851 | 851 | 851 | 851 |
| Packaging | Tube | Bulk | Tube | Tube | Tube |
| Product Status | Active | Active | Active | Active | Active |
| Connector Type | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle |
| Contact Type | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket |
| Style | Board to Board | Board to Board | Board to Board | Board to Board | Board to Board |
| Number of Positions | 4 | 3 | 4 | 6 | 4 |
| Number of Positions Loaded | All | All | All | All | All |
| Pitch - Mating | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Number of Rows | 1 | 1 | 1 | 1 | 1 |
| Row Spacing - Mating | - | - | - | - | - |
| Mounting Type | Through Hole, Right Angle | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder | Solder | Solder Cup |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Finish - Mating | Gold | Gold | Gold | Gold | Gold |
| Contact Finish Thickness - Mating | 30.0µin (0.76µm) | 30.0µin (0.76µm) | 30.0µin (0.76µm) | 30.0µin (0.76µm) | 30.0µin (0.76µm) |
| Insulation Color | Black | Black | Black | Black | Black |
| Insulation Height | 0.087" (2.20mm) | 0.161" (4.10mm) | 0.161" (4.10mm) | 0.161" (4.10mm) | 0.159" (4.05mm) |
| Contact Length - Post | 0.118" (3.00mm) | 0.099" (2.51mm) | 0.099" (2.51mm) | 0.099" (2.51mm) | 0.181" (4.60mm) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Mated Stacking Heights | - | - | - | - | - |
| Ingress Protection | - | - | - | - | - |
| Features | - | - | - | - | - |
| Current Rating (Amps) | 3A | 3A | 3A | 3A | 3A |
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