What is a cross-reference page for 644456-7?
This page groups mapped replacement options for 644456-7 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
644456-7 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for 644456-7, then verify package, specifications, and application fit before approval.
Compare 644456-7 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.
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| Parameter Comparison Chart | Current part 644456-7 TE Connectivity |
|---|---|
| Part Number | 644456-7 |
| Manufacturer | TE Connectivity |
| Category | Connectors, Interconnects |
| Subcategory | Rectangular Connectors - Headers, Male Pins |
| Package | - |
| Series | MTA-100 |
| Key Attributes | - |
| Description | CONN HEADER VERT 7POS 2.54MM |
| Lifecycle | - |
| Stock | 10,589 |
| Available | 10,090 |
| Min Order | 1 |
| Datasheet | Available |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | Non-RoHS Compliant |
| Sub-Categories | Rectangular Connectors - Headers, Male Pins |
| Manufacturer | TE Connectivity |
| Flammability Rating | UL94 V-0 |
| Shrouding | Unshrouded |
| Contact Type | Male Pin |
| Categories | Connectors, Interconnects |
| Orientation | Vertical |
| Mounting Type | Through Hole |
| Insulation Material | Thermoplastic |
| Contact Gender | MALE |
| Number of Positions Loaded | All |
| Contact Shape | Square |
| Voltage - Rated | 250VAC |
| Operating Temperature | -55°C~105°C |
| Voltage - Rated AC | 250V |
| Contact Material | Copper Alloy |
| Contact Finish Thickness - Post | 150.0μin 3.81μm |
| Pitch - Mating | 0.100 2.54mm |
| Packaging | Bulk |
| Connector Type | Header |
| Series | MTA-100 |
| Current Rating (Amps) | Varies by WireGAuge |
| Style | Board to Cable/Wire |
| Contact Resistance | 6mOhm |
| Contact Finish - Post | Tin-Lead |
| Max Operating Temperature | 105°C |
| Lead Free | Contains Lead |
| Contact Length - Post | 0.110 2.79mm |
| ELV | Non-Compliant |
| Housing Material | Polyester |
| Contact Length - Mating | 0.295 7.49mm |
| Min Operating Temperature | -55°C |
| Insulation Color | Natural |
| Published | 2007 |
| Factory Lead Time | 8 Weeks |
| Number of Positions | 7 |
| Part Status | Obsolete |
| Overall Contact Length | 0.505 12.83mm |
| Contact Plating | Tin |
| Mount | Through Hole |
| Max Voltage Rating (AC) | 250V |
| Material Flammability Rating | UL94 V-0 |
| Number of Rows | 1 |
| Termination | Solder |
| Gender | Male |
| PCB Mounting Orientation | Vertical |
| Pitch | 2.54mm |
| Housing Color | White |
| Color | Natural |
| Contact Finish Thickness - Mating | 150.0μin 3.81μm |
| Applications | General Purpose |
| Contact Finish - Mating | Tin-Lead |
| Insulation Height | 0.100 2.54mm |
| Number of Contacts | 7 |
| Number of Circuits | 7 |
| Manufacturer's Part No. | 644456-7 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing 644456-7 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for 644456-7?
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 644456-7 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 644456-7?
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 644456-7 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 644456-7 from TE Connectivity 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.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.