TE Connectivity 641127-4 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 641127-4 is a shrouded right-angle connector header for through-hole mounting, designed for board-to-cable/wire applications. This component features a 4-position configuration with 0.100" (2.54mm) pitch spacing and is part of the MTA-100 series. The part is classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications. Substitute parts maintain identical electrical and mechanical specifications while offering improved availability and active product status.

Substiute Parts

641127-4

TE Connectivity AMP ConnectorsIn Stock: 1044641127-4 Datasheet

Current PartRFQ

3-641127-4

TE Connectivity AMP ConnectorsIn Stock: 43353-641127-4 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 641127-4 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Pitch spacing: 0.100" (2.54mm)
• Number of positions: 4
• Voltage rating: 250VAC
• Contact type: Male pin
• Contact material: Copper alloy with gold mating finish

Mechanical Compatibility Parameters:

• Connector type: Header
• Mounting style: Through hole, right angle
• Shrouding configuration: Shrouded - 1 Wall
• Termination method: Solder
• Fastening type: Friction lock

Environmental & Compliance Parameters:

• Operating temperature range: -55°C ~ 105°C
• Material flammability: UL94 V-0
• RoHS compliance status
• Moisture sensitivity level: 1 (Unlimited)

The substitute part 3-641127-4 maintains complete equivalence across all specified electrical, mechanical, and environmental parameters. The primary distinction is product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 3-641127-4 is a direct functional equivalent to the 641127-4 for all applications requiring a 4-position, 0.100" pitch right-angle header connector with through-hole solder termination.

Selection Basis:

The substitute part maintains complete electrical and mechanical equivalence across all specified parameters. Both components are manufactured by TE Connectivity within the MTA-100 series and share identical contact configurations, pitch spacing, voltage ratings, and operating temperature ranges.

Compliance Status:

Both parts meet UL94 V-0 flammability requirements and maintain RoHS compliance. The main part carries ROHS3 compliance designation, while the substitute carries standard RoHS compliance. Both are classified as REACH Unaffected or Vendor Undefined, indicating no regulatory restrictions on substitution.

Availability Consideration:

The 641127-4 is classified as obsolete with limited inventory (973 pieces). The 3-641127-4 is an active product with significantly higher stock availability (4320 pieces), making it the preferred selection for new designs and ongoing production requirements.

Packaging:

The substitute part is supplied in bulk packaging, which is standard for production environments. No functional differences exist between the two part numbers.

Frequently Asked Questions (FAQ)

Q: Can the 3-641127-4 be used as a direct replacement for the 641127-4 in existing designs?

A: Yes. The 3-641127-4 is electrically and mechanically identical to the 641127-4. All electrical parameters, mechanical dimensions, contact configurations, and environmental ratings are equivalent. Direct substitution is appropriate for all applications.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and packaging. The 641127-4 is obsolete, while the 3-641127-4 is an active product. The 3-641127-4 is supplied in bulk packaging. All functional specifications are identical.

Q: Are there any compatibility issues when substituting the 3-641127-4 for the 641127-4?

A: No compatibility issues exist. Both parts are from the same manufacturer (TE Connectivity), same series (MTA-100), and have identical electrical and mechanical specifications. They mate with the same connector housings and accept the same wire gauges.

Q: Does the substitute part meet the same compliance standards?

A: Yes. Both parts meet UL94 V-0 flammability requirements and are RoHS compliant. Both are classified under the same ECCN (EAR99) and HTSUS codes. Compliance certifications are equivalent for regulatory purposes.

Q: What is the pitch spacing for these connectors?

A: Both connectors have a mating pitch of 0.100" (2.54mm), which is the standard spacing for MTA-100 series headers. This spacing is maintained across all contact positions.

Q: Can these connectors handle the same current and voltage?

A: Yes. Both parts have identical voltage ratings of 250VAC and current ratings that vary by wire gauge. Operating temperature ranges are identical at -55°C to 105°C.

Q: Is the bulk packaging of the 3-641127-4 suitable for production environments?

A: Yes. Bulk packaging is standard for production and manufacturing environments. The packaging does not affect the electrical or mechanical performance of the connector.

Q: Are the contact finishes identical between the two parts?

A: Yes. Both parts have gold-plated mating contacts with 15.0µin (0.38µm) thickness and tin-plated posts with 150.0µin (3.81µm) thickness. Contact material is copper alloy for both parts.