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| Part Number | 540-44-032-17-400000 | 540-44-044-17-400000 | 540-44-020-17-400000 | 540-44-032-17-400004 | 540-44-044-17-400004 |
| Manufacturer | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. | Mill-Max Manufacturing Corp. |
| Series | 540 | 540 | 540 | 540 | 540 |
| Packaging | Tube | Tube | Tube | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Type | PLCC | PLCC | PLCC | PLCC | PLCC |
| Number of Positions or Pins (Grid) | 32 (2 x 7, 2 x 9) | 44 (4 x 11) | 20 (4 x 5) | 32 (2 x 7, 2 x 9) | 44 (4 x 11) |
| Pitch - Mating | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Contact Finish - Mating | Tin | Tin | Tin | Tin | Tin |
| Contact Finish Thickness - Mating | 150.0µin (3.81µm) | 150.0µin (3.81µm) | 150.0µin (3.81µm) | 100.0µin (2.54µm) | 100.0µin (2.54µm) |
| Contact Material - Mating | Copper Alloy | Copper Alloy | Copper Alloy | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Features | Closed Frame | Closed Frame | Closed Frame | Closed Frame | Closed Frame |
| Termination | Solder | Solder | Solder | Solder | Solder |
| Pitch - Post | 0.100" (2.54mm) | 0.050" (1.27mm) | 0.100" (2.54mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Contact Finish - Post | Tin | Tin | Tin | Tin | Tin |
| Contact Finish Thickness - Post | 150.0µin (3.81µm) | 150.0µin (3.81µm) | 150.0µin (3.81µm) | 200.0µin (5.08µm) | 200.0µin (5.08µm) |
| Contact Material - Post | Copper Alloy | Copper Alloy | Copper Alloy | - | - |
| Housing Material | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | - | - |
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