Molex Dubox 71991-310, 20-position dual-row board-to-board receptacle, through-hole, bottom or top entry, push-pull fastening. 0.100" pitch, 11.04mm mated stack, gold-plated mating contacts, tin post plating, blue glass-filled housing.
- New & original stockTraceable channels only — no mixed lots, no re-taped reels.
- Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
- Photo-verified countsEvery line counted and photographed before the box closes.
- PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.
Specifications
| Parameter | Value |
|---|---|
| Series | Dubox™ |
| Gender | Female Socket |
| Mounting type | Through Hole |
| Connector type | Receptacle, Bottom or Top Entry |
| Fastening type | Push-Pull |
| Contact material | Phosphor Bronze |
| Insulation color | Blue |
| Insulation height | 0.275\" (6.99mm) |
| Insulation material | Thermoplastic, Glass Filled |
| Mated stacking heights | 11.04mm |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board |
| Package | Tube |
| Termination | Solder |
| Applications | Automotive, General Purpose, Industrial, Telecommunications |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 20 |
| Row spacing - mating | 0.100\" (2.54mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.118\" (3.00mm) |
| Contact finish - mating | Gold |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
Sourcing this connector
Amphenol 71991-310 is available through IC Source Direct’s Shenzhen interconnect channel. Submit an RFQ with your required quantity and timeline; we return a firm quote covering MOQ, lead time, condition, and unit price — typically within one business day.
Need a match by specification instead of MPN? Provide pitch, pin count, current rating, mounting style, and operating temperature. We cross-reference against Amphenol and other authorised lines, returning datasheet-verified alternatives. Attach a full BOM for multi-brand consolidation into one shipment.
Frequently asked questions
Where can I buy the 71991-310 and how do I get a price?
The 71991-310 is sourced to order through independent distribution against an RFQ — availability and current pricing are confirmed at quote time, not from a live inventory figure.
What does the 71991-310 mate with?
The 71991-310 is a dual-row female receptacle — it mates with the corresponding Molex Dubox header in the same series with matching 20-position dual-row footprint and 0.100-inch pitch.
What is the 71991-310's listed series?
The 71991-310 belongs to the Molex Dubox series, a dual-row board-to-board connector family with push-pull mating and through-hole termination.