TE Connectivity AMP Connectors EI series, 173081-4, Board to Cable/Wire header, 4 positions, 2.50 mm pitch, single row, through-hole, gold-plated male pins, shrouded 1 wall, latch holder, UL94 V-0.
| Parameter | Value |
|---|---|
| Series | EI |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Latch Holder |
| Voltage rating | 250VAC, 350VDC |
| Current rating | Varies by Wire Gauge |
| Operating temperature | -20°C~95°C |
| Contact material | Brass |
| Insulation color | Natural |
| Insulation height | 0.409\" (10.40mm) |
| Insulation material | Polyamide (PA66), Nylon 6/6 |
| Parameter | Value |
|---|---|
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Bulk |
| Shrouding | Shrouded - 1 Wall |
| Termination | Solder |
| Applications | General Purpose |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.098\" (2.50mm) |
| Positions | 4 |
| Contact length - post | 0.142\" (3.60mm) |
| Overall contact length | 0.551\" (14.00mm) |
| Contact finish - mating | Gold |
| Contact length - mating | 0.295\" (7.49mm) |
The 173081-4: ROHS3 compliant — the part meets the latest EU restriction on hazardous substances, which simplifies compliance for equipment sold into regulated markets.
The 173081-4 offers a wider pitch (2.50 mm vs 2.00 mm), gold plating instead of tin, and a higher voltage rating (250 VAC vs 125 VAC) — a meaningful upgrade for applications that need better corrosion resistance or higher isolation.
The 173081-4 is available through independent distribution channels. Sourced per RFQ — confirm quantity and lead time at quote.