71991-310
71991-310, Dubox 20-Position Board-to-Board Receptacle
MPN71991-310
Obsolete
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.
$1.4300Ref. price · indicative, final on quote
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 China distributor & sourcing agent· Listing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Dubox™ |
| Type | Female Socket |
| Mounting | 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 |
All specifications
| Parameter | Value |
|---|---|
| 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) |
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.