Shrouded 4-wall header, 4 circuits, 4.20 mm pitch
The 794303-1 is the 4-circuit member of TE's AMP-DUAC header line, a shrouded 4-wall male pin header on a 0.165" (4.20mm) pitch with dual-row layout.

TE Connectivity AMP-DUAC header, order code 794303-1, 4 positions, dual row, 0.165" (4.20mm) pitch, 600VAC, tin-lead-plated mating contacts, through-hole solder termination, shrouded - 4 wall, locking ramp fastening.
| Parameter | Value |
|---|---|
| Series | AMP-DUAC |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Locking Ramp |
| Voltage rating | 600VAC |
| Operating temperature | -55°C~105°C |
| Contact material | Copper Alloy |
| Insulation color | Natural |
| Insulation height | 0.504\" (12.80mm) |
| Insulation material | Polyamide (PA), Nylon |
| Material flammability rating | UL94 V-2 |
| Parameter | Value |
|---|---|
| Style | Board to Board or Cable |
| Package | Bulk |
| Features | Board Lock |
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.165\" (4.20mm) |
| Positions | 4 |
| Row spacing - mating | 0.165\" (4.20mm) |
| Contact finish - post | Tin-Lead |
| Contact length - post | 0.138\" (3.50mm) |
| Contact finish - mating | Tin-Lead |
| Contact finish thickness - mating | 118.1µin (3.00µm) |
The 794303-1 is the 4-circuit member of TE's AMP-DUAC header line, a shrouded 4-wall male pin header on a 0.165" (4.20mm) pitch with dual-row layout.
The insulation material is polyamide (PA) nylon rated UL94 V-2. The contact finish is tin-lead.