TE Connectivity 1-644457-2 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-644457-2 is a right-angle rectangular connector header designed for through-hole mounting applications. This component features 12 positions at 0.100" (2.54mm) pitch and is part of the MTA-100 series. The part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and procurement continuity. Substitute parts must maintain compatibility with the core electrical and mechanical specifications while accommodating modern manufacturing standards and compliance requirements.

Substiute Parts

1-644457-2

TE Connectivity AMP ConnectorsIn Stock: 9811-644457-2 Datasheet

Current PartRFQ

4-644457-2

TE Connectivity AMP ConnectorsIn Stock: 53704-644457-2 Datasheet

DirectRFQ

929500-01-12

3MIn Stock: 687929500-01-12 Datasheet

SimilarRFQ

929500-01-12-RK

3MIn Stock: 1092929500-01-12-RK Datasheet

SimilarRFQ

929550-01-12-EU

3MIn Stock: 902929550-01-12-EU Datasheet

SimilarRFQ

929550-01-12-I

3MIn Stock: 797929550-01-12-I Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 1-644457-2 is determined by the following critical parameters: 12-position configuration, 0.100" (2.54mm) mating pitch, through-hole right-angle mounting, solder termination, male pin contact type, and operating temperature range compatibility. The substitute parts identified maintain these core specifications while differing in secondary characteristics such as contact finish composition, insulation material formulation, and product status.

The 4-644457-2 represents a direct manufacturer equivalent from TE Connectivity, differing primarily in contact finish (Tin versus Tin-Lead) and RoHS compliance status. The 3M 929 series parts (929500-01-12, 929500-01-12-RK, 929550-01-12-EU, and 929550-01-12-I) function as similar alternatives, maintaining the 12-position, 2.54mm pitch, and through-hole right-angle configuration while introducing variations in contact finish, insulation material, and fastening type (Push-Pull).

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: TE Connectivity 4-644457-2

The 4-644457-2 is the preferred substitute for the obsolete 1-644457-2. Both components are manufactured by TE Connectivity within the MTA-100 series and maintain identical electrical and mechanical specifications. The 4-644457-2 is currently in active production with substantial inventory availability (5356 pieces). The primary distinction is the contact finish specification: the 4-644457-2 uses Tin plating instead of Tin-Lead, and achieves RoHS compliance. The operating temperature range remains -55°C to 105°C, and the 250VAC voltage rating is preserved. This part is suitable for direct replacement in applications where RoHS compliance is required or preferred.

Secondary Recommendations: 3M 929 Series

The 3M 929 series parts (929500-01-12, 929500-01-12-RK, 929550-01-12-EU, and 929550-01-12-I) function as compatible alternatives when TE Connectivity parts are unavailable. These parts maintain the 12-position, 2.54mm pitch configuration and through-hole right-angle mounting. Key differences include:

• Operating temperature range of -40°C to 105°C (narrower low-temperature specification compared to the original -55°C minimum)
• Voltage rating not specified in technical documentation
• Fastening type specified as Push-Pull rather than standard header configuration
• Insulation material variations (PCT or PBT formulations versus generic thermoplastic)
• Contact finish options: Tin-Lead (929500-01-12), Tin (929500-01-12-RK), or Gold (929550-01-12-EU and 929550-01-12-I)

The 929500-01-12-RK is RoHS compliant and represents the most direct functional equivalent among the 3M options. The 929550 series variants with gold plating provide enhanced corrosion resistance for applications requiring extended shelf life or harsh environmental exposure.

Compliance Considerations

Applications subject to RoHS directives should prioritize the 4-644457-2 or 929500-01-12-RK. The original 1-644457-2 is RoHS non-compliant due to Tin-Lead contact finish. The 929500-01-12-RK carries REACH Unaffected status, while the 929500-01-12 carries REACH Affected status. All recommended substitutes maintain UL94 V-0 flammability certification.

Frequently Asked Questions (FAQ)

Q: Can the 4-644457-2 be used as a direct replacement for the 1-644457-2?

A: Yes. The 4-644457-2 maintains identical electrical and mechanical specifications including 12 positions, 0.100" (2.54mm) pitch, through-hole right-angle mounting, solder termination, and operating temperature range of -55°C to 105°C. The primary difference is the contact finish (Tin versus Tin-Lead) and RoHS compliance status. Physical and functional compatibility is confirmed.

Q: What is the significance of the contact finish difference between Tin-Lead and Tin?

A: Contact finish affects solderability, corrosion resistance, and regulatory compliance. Tin-Lead finishes are RoHS non-compliant but historically provide superior wetting characteristics. Tin finishes are RoHS compliant and suitable for lead-free soldering processes. Both finishes are functionally equivalent for electrical conductivity and mechanical retention in standard applications.

Q: Are the 3M 929 series parts fully compatible with the TE Connectivity MTA-100 series?

A: The 3M 929 series parts share the critical specifications of 12 positions, 0.100" (2.54mm) pitch, through-hole right-angle mounting, and solder termination. However, differences exist in operating temperature range (3M minimum of -40°C versus TE Connectivity minimum of -55°C), insulation material composition, and fastening mechanism (Push-Pull versus standard header). These parts are functionally compatible for most general-purpose applications but should be evaluated for specific temperature or mechanical requirements.

Q: What is the difference between the 929500 and 929550 series from 3M?

A: Both series maintain identical core specifications (12 positions, 2.54mm pitch, through-hole right-angle mounting). The primary distinction is contact finish: 929500 series uses Tin or Tin-Lead plating, while 929550 series uses Gold plating. Gold-plated contacts (929550 variants) provide enhanced corrosion resistance and are suitable for applications with extended storage periods or exposure to corrosive environments. Current rating is specified as 2.5A for all 929 series variants.

Q: Should I consider the operating temperature range difference when selecting a substitute?

A: The original 1-644457-2 and its direct equivalent 4-644457-2 operate from -55°C to 105°C. The 3M 929 series parts operate from -40°C to 105°C. If your application requires operation below -40°C, the TE Connectivity 4-644457-2 is the appropriate choice. For applications within the -40°C to 105°C range, the 3M alternatives are suitable.

Q: What packaging options are available for these parts?

A: The 4-644457-2 is supplied in Bulk packaging. The 3M 929 series parts are also supplied in Bulk packaging. All identified substitutes are available in quantities suitable for production assembly and prototyping applications.

Q: Is there a voltage rating difference between the TE Connectivity and 3M options?

A: The TE Connectivity 1-644457-2 and 4-644457-2 specify a 250VAC voltage rating. The 3M 929 series parts do not provide a voltage rating specification in the available technical documentation. For applications requiring explicit voltage rating confirmation, the TE Connectivity 4-644457-2 is the recommended choice.

Q: Which substitute part offers the best availability?

A: The TE Connectivity 4-644457-2 offers the highest inventory availability with 5356 pieces in stock. Among the 3M alternatives, the 929500-01-12-RK provides strong availability with 1018 pieces. The 929550-01-12-EU and 929550-01-12-I variants offer 872 and 688 pieces respectively.