TE Connectivity 4-103327-0 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 4-103327-0 is a vertical rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole connector features 40 positions at 0.100" (2.54mm) pitch with male pin contacts and push-pull fastening. The part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support, maintenance, and production continuity. The connector is designed for board-to-board or cable applications with solder termination and operates across the temperature range of -65°C to 105°C.

Substiute Parts

4-103327-0

TE Connectivity AMP ConnectorsIn Stock: 33704-103327-0 Datasheet

Current PartRFQ

9-146278-0

TE Connectivity AMP ConnectorsIn Stock: 11199-146278-0 Datasheet

MFR RecommendedRFQ

4-103327-9

TE Connectivity AMP ConnectorsIn Stock: 10194-103327-9 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 4-103327-0 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Contact type (Male Pin)
• Number of positions (40)
• Pitch specification (0.100" / 2.54mm)
• Current rating (3A)
• Operating temperature range (-65°C ~ 105°C)
• Fastening type (Push-Pull)

Mechanical Compatibility Parameters:

• Connector type (Header, Breakaway)
• Mounting type (Through Hole)
• Termination method (Solder)
• Number of rows (1)
• Contact shape (Square)
• Insulation height (0.090" / 2.29mm)
• Overall contact length (0.440" / 11.18mm)

Material & Environmental Parameters:

• Flammability rating (UL94 V-0)
• Insulation color (Black)
• Moisture sensitivity level (MSL 1 - Unlimited)

Substitute parts must maintain equivalence across all listed parameters. Variations in contact finish material (Tin-Lead versus Tin) and insulation material (Thermoplastic versus Liquid Crystal Polymer) are permitted when all other parameters remain identical, as these do not affect mating compatibility or electrical performance within the specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: 9-146278-0

The 9-146278-0 is the recommended substitute for the obsolete 4-103327-0. This part maintains complete electrical and mechanical equivalence across all critical parameters while offering the advantage of active product status. The 9-146278-0 is ROHS3 compliant, providing regulatory compliance for new designs and production environments where RoHS certification is required. The insulation material differs (Liquid Crystal Polymer versus Thermoplastic), but this variation does not affect mating compatibility or performance within the specified operating temperature range of -65°C to 105°C. The contact finish specification changes from Tin-Lead to Tin, which is compatible with standard solder assembly processes and does not compromise electrical performance or reliability.

Secondary Substitute: 4-103327-9

The 4-103327-9 serves as an alternative substitute, maintaining identical mechanical and electrical specifications to the main part. This connector also carries obsolete status but is ROHS3 compliant. The 4-103327-9 retains the original Thermoplastic insulation material and Tin contact finish, providing closer material alignment to the 4-103327-0 than the primary substitute. However, the 4-103327-9 should be selected only when the specific insulation material composition is a design requirement, as the 9-146278-0 is the preferred choice due to its active product status and ongoing manufacturer support.

Compliance Considerations

Both substitute parts are ROHS3 compliant, whereas the original 4-103327-0 carries "Not applicable" RoHS status due to its obsolete classification. For new designs or production environments subject to RoHS regulations, either substitute part satisfies compliance requirements. The MSL 1 (Unlimited) moisture sensitivity level is maintained across all three parts, indicating no special moisture control measures are required during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can the 9-146278-0 be used as a direct replacement for the 4-103327-0 in existing designs?

A: Yes. The 9-146278-0 maintains complete electrical and mechanical compatibility with the 4-103327-0. All critical parameters including connector type, contact configuration, pitch, current rating, operating temperature range, and fastening mechanism are identical. The differences in contact finish material (Tin versus Tin-Lead) and insulation material (Liquid Crystal Polymer versus Thermoplastic) do not affect mating compatibility or performance within the specified operating conditions.

Q: What is the difference between the contact finish specifications?

A: The 4-103327-0 uses Tin-Lead contact finish, while both substitute parts (9-146278-0 and 4-103327-9) use Tin contact finish. Both finishes provide equivalent electrical conductivity and solderability. Tin finish is the modern standard and is compatible with lead-free solder assembly processes. The contact finish thickness remains constant at 100.0µin (2.54µm) across all three parts.

Q: Why is the 9-146278-0 recommended over the 4-103327-9?

A: The 9-146278-0 is recommended as the primary substitute because it carries active product status, ensuring ongoing manufacturer support, availability, and technical documentation. The 4-103327-9, while electrically and mechanically equivalent, is also classified as obsolete. For new production and long-term supply chain stability, the active status of the 9-146278-0 provides superior support.

Q: Are there any temperature or environmental limitations when substituting these parts?

A: No. All three parts maintain identical operating temperature specifications (-65°C to 105°C) and moisture sensitivity levels (MSL 1 - Unlimited). The material flammability rating (UL94 V-0) is consistent across all parts, ensuring equivalent performance in temperature and environmental stress conditions.

Q: Does the insulation material change affect board layout or PCB design?

A: No. The insulation material variation (Thermoplastic in the original part versus Liquid Crystal Polymer in the 9-146278-0) does not affect physical dimensions, mounting footprint, or electrical performance. All dimensional specifications including insulation height (0.090"), contact lengths, and overall connector geometry remain identical. PCB layouts designed for the 4-103327-0 require no modification to accommodate the 9-146278-0.

Q: What is the significance of ROHS3 compliance on the substitute parts?

A: ROHS3 compliance indicates that the substitute parts meet Restriction of Hazardous Substances regulations, restricting the use of specific hazardous materials in electrical and electronic equipment. The original 4-103327-0 carries "Not applicable" status due to its obsolete classification. For designs subject to ROHS regulations or for production in regulated markets, the ROHS3-compliant substitute parts (9-146278-0 and 4-103327-9) satisfy compliance requirements.

Q: Can these connectors be intermated with each other?

A: Yes. All three parts are mechanically and electrically compatible for intermating. The identical pitch (0.100" / 2.54mm), contact configuration, and fastening mechanism ensure that headers and receptacles from any of these part numbers can be mated together without compatibility issues.

Q: What is the current rating, and does it apply to all substitute parts?

A: The current rating is 3A per contact. This specification is identical across the 4-103327-0, 9-146278-0, and 4-103327-9. The current rating applies to each individual pin contact and is maintained regardless of which substitute part is selected.