TML-125-01-G-D-RA Equivalent & Substitute Parts

Part Overview

The TML-125-01-G-D-RA is a shrouded rectangular connector header manufactured by Samtec Inc., designed for through-hole, right-angle board-to-board applications. This 50-position connector operates at 0.050" (1.27mm) pitch with 2 rows spaced 0.100" (2.54mm) apart. The part is currently active in production with 680 pieces in stock. Equivalent and substitute parts are identified when mechanical and electrical parameters align within acceptable tolerances for the connector category, enabling component interchangeability in circuit board designs.

Substiute Parts

TML-125-01-G-D-RA

Samtec Inc.In Stock: 753TML-125-01-G-D-RA Datasheet

Current PartRFQ

104069-2

TE Connectivity AMP ConnectorsIn Stock: 843104069-2 Datasheet

SimilarRFQ

5-104069-2

TE Connectivity AMP ConnectorsIn Stock: 17425-104069-2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TML-125-01-G-D-RA is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

• Pitch - Mating: 0.050" (1.27mm)
• Number of Positions: 50
• Number of Rows: 2
• Row Spacing - Mating: 0.100" (2.54mm)
• Connector Type: Header
• Contact Type: Male Pin
• Mounting Type: Through Hole, Right Angle
• Termination: Solder
• Style: Board to Board or Board to Board/Cable

Secondary Compatibility Factors:

• Contact Finish - Mating: Gold
• Insulation Color: Black
• HTSUS Classification: 8536.69.4040

The substitute parts 104069-2 and 5-104069-2 (both TE Connectivity AMP Connectors) satisfy all primary matching criteria. Variations in shrouding design (4 Wall vs. 2 Wall), insulation material (LCP vs. Thermoplastic), contact geometry (Square vs. Circular), and operating temperature ranges represent design trade-offs within the rectangular connector category and do not preclude functional substitution when mechanical fit and electrical connectivity requirements are met.

Parameter Comparison

Engineering Selection Recommendations

TML-125-01-G-D-RA (Primary Part): The Samtec TML-125-01-G-D-RA is ROHS3 compliant and maintains active production status. This part features 4-wall shrouding, LCP insulation material, and operates across -55°C to 125°C. The square contact geometry and phosphor bronze material provide specific mechanical characteristics. Selection is appropriate when design specifications explicitly require these material and thermal properties.

5-104069-2 (Preferred Substitute): The TE Connectivity 5-104069-2 is ROHS3 compliant and maintains active production status with the highest inventory availability (1669 pieces). This part satisfies all primary matching criteria for pitch, position count, row configuration, and mounting type. The 2-wall shrouding, thermoplastic insulation, and circular contact geometry represent functional equivalents within the rectangular connector category. Operating temperature range of -65°C to 105°C covers the lower end of the primary part's range. Selection is appropriate when ROHS3 compliance and high availability are required.

104069-2 (Secondary Substitute): The TE Connectivity 104069-2 shares identical mechanical and electrical specifications with 5-104069-2 but carries "Not applicable" RoHS status. This part is suitable for applications where RoHS compliance is not a requirement. Inventory availability (774 pieces) is lower than the 5-104069-2 variant.

Frequently Asked Questions (FAQ)

Q: Can 104069-2 or 5-104069-2 be used as direct replacements for TML-125-01-G-D-RA in existing designs?

A: Both TE Connectivity parts satisfy the critical mechanical parameters: 0.050" (1.27mm) pitch, 50 positions, 2 rows with 0.100" (2.54mm) spacing, through-hole right-angle mounting, and solder termination. Functional substitution is supported by these matching parameters. Design verification is required to confirm compatibility with specific board layout, shrouding clearances, and thermal operating conditions.

Q: What are the differences in shrouding between these parts?

A: The TML-125-01-G-D-RA features 4-wall shrouding, providing complete perimeter protection. The 104069-2 and 5-104069-2 feature 2-wall shrouding. This difference affects mechanical fit within connector cavities and board-level clearance requirements. Board layout must accommodate the specific shrouding profile of the selected part.

Q: How do the operating temperature ranges compare?

A: The TML-125-01-G-D-RA operates from -55°C to 125°C. The TE Connectivity substitutes (104069-2 and 5-104069-2) operate from -65°C to 105°C. The TE parts provide lower temperature capability but do not extend to the upper temperature limit of the Samtec part. Application thermal requirements must be evaluated against these ranges.

Q: What is the difference between 104069-2 and 5-104069-2?

A: Both parts are mechanically and electrically identical. The primary difference is RoHS compliance status: 5-104069-2 is ROHS3 compliant, while 104069-2 carries "Not applicable" status. The 5-104069-2 also has significantly higher inventory availability (1669 vs. 774 pieces). For applications requiring RoHS compliance, 5-104069-2 is the appropriate selection.

Q: Are the contact materials interchangeable?

A: The TML-125-01-G-D-RA uses phosphor bronze contacts, while the TE Connectivity substitutes use copper alloy contacts. Both materials are standard for rectangular connectors in this category. Contact finish on the mating surface is gold for all three parts, ensuring compatible electrical performance. The material difference does not preclude functional substitution.

Q: What packaging format is used for these parts?

A: All three parts are supplied in tube packaging, suitable for automated assembly processes and manual component handling.