Right-angle header for wire-to-board latch retention
Current, voltage, and contact finish limits
The brass square pins extend 0.295 in (7.49 mm) on the mating side and 0.142 in (3.60 mm) on the solder post.
1-171826-2 TE Connectivity EI Header – 12 Pos, 2.5 mm, R/A
MPN1-171826-2
Active
TE Connectivity AMP EI series, Board to Cable/Wire header, 12 circuits, 2.50 mm pitch, right-angle through-hole, shrouded 1 wall, latch holder, tin-plated square pins, 2 A, 250 VAC / 350 VDC.
$1.7800Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesEI
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent supplier — new & surplus connector stock· Listing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | EI |
| Type | Male Pin |
| Mounting | Through Hole, Right Angle |
| Connector type | Header |
| Fastening type | Latch Holder |
| Voltage rating | 250VAC, 350VDC |
| Current rating | 2A |
| Contact material | Brass |
| Insulation color | Natural |
| Insulation height | 0.264\" (6.70mm) |
| Insulation material | Polyamide (PA66), Nylon 6/6 |
| Material flammability rating | UL94 V-0 |
All specifications
| Parameter | Value |
|---|---|
| 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 | 12 |
| Contact finish - post | Tin |
| Contact length - post | 0.142\" (3.60mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.295\" (7.49mm) |
| Contact finish thickness - post | 31.5µin (0.80µm) |
| Contact finish thickness - mating | 31.5µin (0.80µm) |
Product details
Frequently asked questions
What is the mating connector for 1-171826-2?
Look for TE EI receptacles with a compatible circuit count and latch slot.
What is the difference between 1-171826-2 and 1-171826-1?
Both are from the same EI series and share the same 12-position, 2.50 mm pitch, right-angle layout. The difference is typically in the contact plating or packaging – verify the specific variant against your BOM requirement.