TE Connectivity AMP Connectors 641120-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 641120-8 is a rectangular connector header designed for through-hole mounting applications. This connector features an 8-position vertical configuration with 0.156" (3.96mm) pitch spacing, suitable for board-to-cable and board-to-board interconnections in general purpose and industrial applications. The part is classified as obsolete, necessitating identification of active equivalent and substitute components to maintain design continuity and ensure procurement availability for new production and legacy system support.

Substiute Parts

641120-8

TE Connectivity AMP ConnectorsIn Stock: 788641120-8 Datasheet

Current PartRFQ

3-641120-8

TE Connectivity AMP ConnectorsIn Stock: 10093-641120-8 Datasheet

DirectRFQ

0026482085

MolexIn Stock: 15740026482085 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 641120-8 is determined by strict alignment with the following critical parameters: connector type (header), contact type (male pin), number of positions (8), mating pitch (0.156" / 3.96mm), mounting method (through hole), shrouding configuration (shrouded - 1 wall), termination method (solder), and fastening mechanism (friction lock). All identified substitutes maintain these core electrical and mechanical characteristics, ensuring functional compatibility within the original application envelope.

The substitute parts are grouped into two categories: direct manufacturer equivalents from TE Connectivity AMP Connectors and cross-manufacturer alternatives from Molex. Direct equivalents provide identical form factor and performance characteristics with improved product status and compliance certifications. Cross-manufacturer alternatives satisfy the same functional requirements while introducing minor variations in contact geometry and material composition that remain within acceptable substitution parameters.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent: TE Connectivity AMP Connectors 3-641120-8

The 3-641120-8 is the primary recommended substitute for the obsolete 641120-8. This part maintains identical electrical and mechanical specifications, including contact geometry, pitch spacing, insulation height, and operating temperature range. The direct equivalent is classified as active product status, ensuring long-term procurement availability. The 3-641120-8 achieves ROHS3 compliance, addressing regulatory requirements that the original part does not satisfy. Contact finish on the post has been updated from Tin-Lead to Tin, eliminating lead content while maintaining electrical performance. This direct equivalent is suitable for direct replacement in new designs and legacy system updates without circuit board redesign or connector interface modification.

Cross-Manufacturer Alternative: Molex 0026482085

The Molex 0026482085 provides functional substitution when TE Connectivity parts are unavailable. This alternative maintains the critical parameters of 8-position configuration, 0.156" (3.96mm) pitch, through-hole mounting, shrouded 1-wall design, solder termination, and friction lock fastening. The Molex part is active product status with ROHS3 compliance and REACH unaffected designation. Notable differences include contact geometry (square versus circular), increased contact lengths (0.450" mating / 0.172" post versus 0.400" / 0.125"), greater insulation height (0.500" versus 0.425"), polyester insulation material (versus thermoplastic glass-filled), and black insulation color (versus natural). These dimensional and material variations require evaluation for specific application constraints, particularly in space-constrained designs or where contact engagement depth is critical. The Molex alternative is suitable for applications where form factor flexibility exists and connector interface compatibility can be confirmed.

Frequently Asked Questions (FAQ)

Q: Can the 3-641120-8 be used as a direct replacement for the 641120-8 without any modifications?

A: Yes. The 3-641120-8 maintains identical contact geometry, pitch spacing, insulation height, mounting configuration, and operating temperature range. No circuit board redesign or connector interface modification is required. The primary differences are product status (active versus obsolete) and regulatory compliance (ROHS3 compliant versus non-compliant).

Q: What are the key differences between the TE Connectivity 3-641120-8 and the Molex 0026482085?

A: Both parts share the same 8-position configuration, 0.156" (3.96mm) pitch, through-hole mounting, and friction lock fastening. Differences include contact shape (circular versus square), contact lengths (0.400" / 0.125" versus 0.450" / 0.172"), insulation height (0.425" versus 0.500"), contact material (copper alloy versus brass), and insulation material (thermoplastic glass-filled versus polyester). These variations may affect compatibility in space-constrained applications.

Q: Is the Molex 0026482085 suitable for applications requiring the -55°C to 105°C operating temperature range?

A: The Molex 0026482085 does not specify an operating temperature range in the provided data. Applications requiring confirmed operation across -55°C to 105°C should prioritize the TE Connectivity 3-641120-8, which explicitly maintains this temperature specification.

Q: What is the impact of the contact finish change from Tin-Lead to Tin in the 3-641120-8?

A: The change from Tin-Lead to Tin eliminates lead content, achieving ROHS3 compliance. Tin provides equivalent electrical performance and corrosion resistance for the specified 600VAC rating and general purpose industrial applications. This change does not affect functional compatibility or electrical characteristics.

Q: Are there packaging differences between the 641120-8 and its substitutes?

A: The original 641120-8 packaging is not specified in the provided data. The 3-641120-8 is supplied in bulk packaging, and the Molex 0026482085 is also supplied in bulk packaging. Specific packaging requirements should be confirmed with component suppliers.

Q: Can the Molex 0026482085 be used in applications where the original TE Connectivity part was specified?

A: The Molex 0026482085 satisfies the core functional requirements of 8-position header configuration, 0.156" (3.96mm) pitch, through-hole mounting, and friction lock fastening. However, the increased contact lengths and insulation height may create clearance issues in space-constrained designs. Application-specific evaluation is required to confirm compatibility with existing circuit board layouts and connector cavities.

Q: What is the significance of the breakaway feature on the Molex 0026482085?

A: The Molex 0026482085 includes a breakaway connector feature, allowing individual positions to be separated if required. The original 641120-8 and direct equivalent 3-641120-8 do not include this feature. This additional capability does not prevent substitution but provides additional design flexibility in the Molex alternative.

Q: Are all three parts suitable for automotive applications?

A: The TE Connectivity 641120-8 and 3-641120-8 are specified for general purpose and industrial applications. The Molex 0026482085 is specified for automotive, general purpose, industrial, medical, and telecommunications applications. For automotive-specific requirements, the Molex alternative provides explicit automotive qualification.