Type 179 and Type 220 are header terminal blocks designed for vertical mounting and Through-Hole Reflow (THR) soldering. They feature square contact pins, closed ends, and are codable. Optional Tape on Reel packaging is available for automated processing. These terminal blocks are suitable for various applications requiring reliable connections.
| Type | Centerline | P/N | Pole Size | Solder Pin Length | Recommended PC Board Hole Dia. | Solder Pin Dimension | Clearance and Creepage Distances | Insulation Co-ordination (EN 60664-1) | Overvoltage Category | Pollution Degree | Rated Voltage | Rated Test Voltage |
| 179 | 5.08 mm / 0.200 inches | 311791 | 2 - 12 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 3 | 320 V | 4 kV |
| 179 | 5.08 mm / 0.200 inches | 311791 | 2 - 12 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 2 | 800 V | 6 kV |
| 179 | 5.08 mm / 0.200 inches | 311791 | 2 - 12 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | II | 2 | 800 V | 4 kV |
| 220 | 10.16 mm / 0.400 inches | 312202 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 3 | 320 V | 4 kV |
| 220 | 10.16 mm / 0.400 inches | 312202 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 2 | 800 V | 6 kV |
| 220 | 10.16 mm / 0.400 inches | 312202 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | II | 2 | 800 V | 4 kV |
| 220 | 5.08 mm / 0.200 inches | 312201 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 3 | 320 V | 4 kV |
| 220 | 5.08 mm / 0.200 inches | 312201 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | III | 2 | 800 V | 6 kV |
| 220 | 5.08 mm / 0.200 inches | 312201 | 2 - 24 | 3.25 mm | 1.5 mm | 1.0 x 1.0 mm | min. 4.08 mm | C | II | 2 | 800 V | 4 kV |