Equivalent & Substitute Parts for TE Connectivity 1-104427-3 Rectangular Connector Header

Part Overview

The TE Connectivity 1-104427-3 is a vertical rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole connector accommodates 15 positions at 0.100" (2.54mm) pitch and is designed for board-to-board or cable applications. The part is classified as obsolete, making identification of equivalent substitute components essential for ongoing design support, maintenance, and production continuity. Active equivalent models from Amphenol ICC (FCI) provide functional alternatives with enhanced compliance characteristics.

Substiute Parts

1-104427-3

TE Connectivity AMP ConnectorsIn Stock: 7271-104427-3 Datasheet

Current PartRFQ

77311-122-15LF

Amphenol ICC (FCI)In Stock: 89677311-122-15LF Datasheet

SimilarRFQ

77311-822-15LF

Amphenol ICC (FCI)In Stock: 86677311-822-15LF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 1-104427-3 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Connector type classification (Header)
• Contact type (Male Pin)
• Number of positions (15)
• Pitch specification (0.100" / 2.54mm)
• Mounting method (Through Hole)
• Current rating (3A per contact)
• Material flammability rating (UL94 V-0)
• Insulation material (Thermoplastic)
• Contact shape (Square)
• Shrouding configuration (Unshrouded)

Allowable Variations:

• Contact finish thickness on mating surface (15.0µin to 30.0µin acceptable)
• Contact material composition (Copper Alloy or Phosphor Bronze)
• Operating temperature upper limit (105°C to 125°C)
• Termination method (Solder-only acceptable for active alternatives)
• Product status transition (Obsolete to Active)
• RoHS compliance status (non-compliant to compliant)

The substitute parts 77311-122-15LF and 77311-822-15LF from Amphenol ICC (FCI) meet all mandatory parameters while offering improved compliance and active product status.

Parameter Comparison

Engineering Selection Recommendations

For New Designs and Production Continuity:

The Amphenol ICC BERGSTIK® series connectors 77311-122-15LF and 77311-822-15LF are direct functional equivalents to the obsolete TE Connectivity 1-104427-3. Both substitute parts maintain identical electrical and mechanical specifications for the 15-position, 2.54mm pitch header configuration.

Compliance Advantages:

The substitute parts offer RoHS compliance status, whereas the original TE Connectivity part is RoHS non-compliant. Both substitute parts maintain UL94 V-0 flammability rating and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with existing assembly and storage protocols.

Thermal Performance:

The substitute parts support an extended operating temperature range of -65°C to 125°C compared to the original part's -65°C to 105°C specification. This provides additional thermal margin for applications operating at elevated temperatures.

Contact Material and Finish:

The substitute parts utilize Phosphor Bronze contact material with gold mating surface finish, compared to the original Copper Alloy construction. The 77311-822-15LF maintains the same mating finish thickness (15.0µin) as the original part, while the 77311-122-15LF provides increased thickness (30.0µin) for enhanced durability. Both employ tin post finish without lead content, improving environmental compliance.

Mechanical Compatibility:

Minor dimensional variations exist in contact length and insulation height. The substitute parts feature 0.305" mating contact length and 0.100" insulation height compared to the original 0.318" and 0.090" specifications. These variations remain within acceptable tolerance for standard board-to-board applications with 2.54mm pitch spacing.

Product Availability:

Both substitute parts maintain active product status with confirmed inventory availability, ensuring long-term supply chain reliability compared to the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can the Amphenol ICC 77311-122-15LF or 77311-822-15LF directly replace the TE Connectivity 1-104427-3 in existing designs?

A: Both Amphenol ICC parts are functionally equivalent for applications requiring a 15-position, 0.100" pitch through-hole header with male pins, 3A current rating, and UL94 V-0 flammability compliance. The mechanical and electrical parameters align with the original specification. Minor dimensional variations in contact length and insulation height do not affect standard board-to-board mating applications.

Q: What is the difference between the 77311-122-15LF and 77311-822-15LF?

A: Both parts are identical except for mating contact finish thickness. The 77311-122-15LF provides 30.0µin (0.76µm) gold finish thickness, while the 77311-822-15LF provides 15.0µin (0.38µm) thickness. The 77311-822-15LF matches the original TE Connectivity part's finish thickness specification.

Q: Are there packaging differences between the original and substitute parts?

A: The original TE Connectivity 1-104427-3 packaging specification is not provided. The substitute parts are supplied in bag packaging. Confirm packaging requirements for your application before procurement.

Q: Does the extended operating temperature range of the substitute parts affect compatibility?

A: The substitute parts support -65°C to 125°C operation compared to the original -65°C to 105°C range. This extended range provides additional thermal margin and does not reduce compatibility with applications operating within the original temperature specification.

Q: What is the significance of RoHS compliance for the substitute parts?

A: The substitute parts are RoHS compliant, eliminating restricted substances such as lead from the post finish. The original part is RoHS non-compliant. For applications subject to RoHS regulations or customer requirements, the substitute parts provide regulatory alignment.

Q: Are the substitute parts suitable for press-fit termination like the original?

A: The substitute parts specify solder termination only, whereas the original part supports both press-fit and solder termination. Applications requiring press-fit assembly must evaluate alternative solutions or confirm compatibility with solder-only termination.

Q: How do contact material differences affect electrical performance?

A: The substitute parts utilize Phosphor Bronze contacts compared to the original Copper Alloy construction. Both materials provide equivalent electrical conductivity and contact resistance performance for 3A current applications. Phosphor Bronze offers enhanced mechanical durability and spring characteristics.

Q: Is the tin post finish of the substitute parts compatible with existing solder processes?

A: The substitute parts employ tin post finish without lead content, compatible with standard lead-free and lead-containing solder processes. The original part uses tin-lead post finish. Confirm solder process compatibility with your manufacturing specifications.