Skip to main content
1722981312 — Molex product photo

Molex 1722981312 Ultra-Fit Header, 12 Pos, 3.50 mm, Gold

MPN1722981312
Active

Molex Ultra-Fit 172298 series, 1722981312, Board to Cable/Wire header, 12 circuits, 2 rows, 3.50 mm pitch, 400 V, gold-plated mating contacts, through-hole, kinked pin solder termination, black LCP housing, UL94 V-0.

$5.3100Ref. price · indicative, final on quote
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • 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

1722981312 Technical Specifications
ParameterValue
SeriesUltra-Fit 172298
GenderMale Pin
Mounting typeThrough Hole
Connector typeHeader
Fastening typeLatch Holder
Voltage rating400V
Operating temperature-40°C ~ 120°C
Contact materialCopper Alloy
Insulation colorBlack
Insulation height0.465\" (11.80mm)
Insulation materialLiquid Crystal Polymer (LCP)
Mated stacking heights26.99mm
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageBulk
FeaturesBoard Guide
ShroudingShrouded - 4 Wall
TerminationKinked Pin, Solder
ApplicationsAutomotive, General Purpose, Industrial, Lighting, Medical, Military, Telecommunications
Contact shapeSquare
Rows2
Pitch0.138\" (3.50mm)
Positions12
Row spacing - mating0.181\" (4.60mm)
Contact finish - postTin
Contact length - post0.126\" (3.20mm)
Contact finish - matingGold
Contact finish thickness - post60.0µin (1.52µm)
Contact finish thickness - mating30.0µin (0.76µm)

Product details

The 1722981312: Its 3.50 mm pitch and 0.181" (4.60 mm) row spacing set the PCB footprint — a common pitch for moderate-current wire-to-board applications where 2.54 mm pitch would be too tight for the current draw. A latch holder locks the mating receptacle in place — no secondary clip or screw needed, which saves assembly time in high-vibration environments like automotive or industrial panels. Gold plating on the mating face at 30.0 µinch (0.76 µm) supports repeated mating cycles — expect 500+ cycles before contact resistance rises significantly.

Pitch, Positions, and Board Footprint

At 3.50 mm pitch, this header occupies more board space per circuit than a 2.54 mm part but carries higher current per contact — the wider pitch reduces mutual heating between adjacent pins. The 12 positions are all loaded, so no dummy pins.

Voltage, Temperature, and Flame Rating

Rated 400 V — this covers most industrial and automotive bus voltages (12 V, 24 V, 48 V, 120 V, 230 V) with ample margin. LCP also resists creep at high temperatures, maintaining pin retention over the product lifetime.

Frequently asked questions

Where can I buy Molex 1722981312 and how do I get a price?

Submit an RFQ with your target quantity for current pricing and availability confirmation. No stock-holding claim is made; each quote reflects real-time multi-source reach.

What is the pitch of Molex 1722981312?

This is a 3.50 mm pitch header — not 2.54 mm or 5.08 mm.

What is the mating connector for Molex 1722981312?

This header mates with a Molex Ultra-Fit receptacle housing (crimp or IDC). The mating half uses the same 3.50 mm pitch and latch holder interface. Confirm the circuit count and keying orientation before ordering.

What is the current rating of Molex 1722981312?

For a 3.50 mm pitch header with gold-plated contacts, typical per-contact ratings in the Ultra-Fit series range from 8 A to 12 A depending on wire gauge and ambient temperature. Consult the Molex product drawing for the derating curve.