What is a cross-reference page for 3431-6303?
This page groups mapped replacement options for 3431-6303 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
3431-6303 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for 3431-6303, then verify package, specifications, and application fit before approval.
Compare 3431-6303 against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
No mapped replacement parts yet
This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
swipe Swipe or scroll horizontally to compare more part numbers
The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part |
|---|---|
| Part Number | 3431-6303 |
| Manufacturer | 3M |
| Category | Connectors, Interconnects |
| Subcategory | Rectangular Connectors - Headers, Male Pins |
| Package | - |
| Series | 3000 |
| Key Attributes | - |
| Description | CONN HEADER VERT 34POS 2.54MM |
| Lifecycle | - |
| Stock | 15,883 |
| Available | 11,050 |
| Min Order | 1 |
| Datasheet | Available |
| Contact Finish Thickness - Mating | 30.0μin 0.76μm |
| Sub-Categories | Rectangular Connectors - Headers, Male Pins |
| Insulation Resistance | 1GOhm |
| Contact Finish - Mating | Gold |
| Flammability Rating | UL94 V-0 |
| Contact Type | Male Pin |
| Number of Rows | 2 |
| Categories | Connectors, Interconnects |
| Mounting Type | Through Hole |
| Contact Gender | MALE |
| Number of Positions Loaded | All |
| Contact Shape | Square |
| Style | Board to Board or Cable |
| ECCN | EAR99 |
| Operating Temperature | -55°C~105°C |
| Contact Material | Copper Alloy |
| Pitch - Mating | 0.100 2.54mm |
| Lead Pitch | 2.54mm |
| Packaging | Bulk |
| Connector Type | Header |
| Contact Finish - Post | Tin-Lead |
| Row Spacing - Mating | 0.100 (2.54mm) |
| Fastening Type | Latch Lock/Eject Hooks, Long |
| Feature | Keying Slot, Mounting Flange |
| Shrouding | Shrouded - 4 Wall |
| Contact Length - Mating | 0.240 6.10mm |
| Housing Material | Polyester |
| Number of Positions | 34 |
| Lead Length | 3.94mm |
| Contact Length - Post | 0.155 3.94mm |
| Factory Lead Time | 6 Weeks |
| Published | 2009 |
| Color | Grey |
| Insulation Height | 0.680 17.27mm |
| Series | 3000 |
| Manufacturer | 3M |
| Part Status | Last Time Buy |
| Contact Plating | Gold |
| Mount | Through Hole |
| Material Flammability Rating | UL94 V-0 |
| Termination | Solder |
| Gender | Male |
| Pitch | 2.54mm |
| Insulation Color | Black |
| Housing Color | Grey |
| Current Rating | 1A |
| Current Rating (Amps) | 1A |
| Insulation Material | Polybutylene Terephthalate (PBT), Polyester, Glass Filled |
| Number of Contacts | 34 |
| Contact Finish Thickness - Post | 200.0μin 5.08μm |
| Mating Post Length | 6.2mm |
| Weight | 1.088622kg |
| Overall Contact Length | 0.695 17.65mm |
| Manufacturer's Part No. | 3431-6303 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| HTSUS | 8536.69.4040 |
| RoHS Status | RoHS non-compliant |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing 3431-6303 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for 3431-6303?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for 3431-6303 alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to 3431-6303?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is 3431-6303 obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to 3431-6303 from 3M is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.