TSW-123-08-G-D-RA Equivalent & Substitute Parts

Part Overview

The TSW-123-08-G-D-RA is a rectangular connector header manufactured by Samtec Inc., designed for through-hole, right-angle board-to-board or cable applications. This 46-position connector operates across a wide temperature range of -55°C to 125°C and features gold-plated phosphor bronze contacts with PBT insulation rated UL94 V-0. The part maintains active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, particularly when the main part becomes unavailable or when design specifications permit alternative configurations.

Substiute Parts

TSW-123-08-G-D-RA

Samtec Inc.In Stock: 1046TSW-123-08-G-D-RA Datasheet

Current PartRFQ

4-103326-0

TE Connectivity AMP ConnectorsIn Stock: 9984-103326-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TSW-123-08-G-D-RA is determined by alignment of the following critical parameters:

• Pitch - Mating: 0.100" (2.54mm) — must match exactly for mechanical compatibility
• Connector Type: Header with male pin contacts
• Mounting Type: Through hole, right angle configuration
• Termination: Solder termination
• Contact Finish - Mating: Gold plating for electrical performance
• Insulation Material: Thermoplastic or PBT composition
• Material Flammability Rating: UL94 V-0 minimum
• Row Spacing - Mating: 0.100" (2.54mm) for board layout compatibility

The identified substitute part 4-103326-0 (TE Connectivity AMP Connectors AMPMODU Mod II series) shares these core parameters. However, differences exist in position count (80 vs. 46), contact post length, insulation height, operating temperature range, and compliance status. These differences establish the substitution boundaries and application constraints.

Parameter Comparison

Engineering Selection Recommendations

The TSW-123-08-G-D-RA maintains active product status with full RoHS3 compliance and is the preferred selection for new designs. The substitute part 4-103326-0 is classified as obsolete and carries RoHS non-compliance status, limiting its applicability to legacy system maintenance or applications where regulatory compliance is not required.

Selection between these parts depends on specific application constraints:

• For applications requiring RoHS3 compliance and long-term availability, the TSW-123-08-G-D-RA is the appropriate choice.
• The 4-103326-0 substitute accommodates higher position counts (80 vs. 46) and extended low-temperature operation (-65°C vs. -55°C minimum), but operates at a reduced maximum temperature (105°C vs. 125°C).
• Contact post length differs by 0.030" (0.76mm), requiring PCB layout verification for through-hole depth compatibility.
• Insulation height variation of 0.019" (0.48mm) may affect board-to-board spacing in constrained assemblies.

Frequently Asked Questions (FAQ)

Q: Can the 4-103326-0 be used as a direct replacement for the TSW-123-08-G-D-RA?

A: Direct replacement is not recommended. While both connectors share identical pitch (0.100" / 2.54mm), row spacing, mounting type, and termination method, the substitute part differs in position count (80 vs. 46), contact post length, insulation height, operating temperature range, and compliance status. Physical board layout and thermal requirements must be evaluated before substitution.

Q: What are the key compatibility parameters for these connectors?

A: Compatibility is determined by: mating pitch (0.100" / 2.54mm), row spacing (0.100" / 2.54mm), connector type (header with male pins), mounting configuration (through hole, right angle), termination method (solder), contact finish (gold), and insulation material (thermoplastic). Deviations in any of these parameters eliminate substitution eligibility.

Q: Why is the 4-103326-0 listed as obsolete?

A: Product status reflects manufacturer discontinuation. Obsolete parts may have limited inventory availability and no guaranteed long-term supply. For new designs, active products such as the TSW-123-08-G-D-RA are recommended to ensure design longevity and supply chain stability.

Q: Does the RoHS compliance difference affect substitution?

A: Yes. The TSW-123-08-G-D-RA is ROHS3 compliant, while the 4-103326-0 is RoHS non-compliant. Applications subject to RoHS regulations or customer requirements mandating RoHS compliance must use the TSW-123-08-G-D-RA. The substitute part is limited to legacy systems or applications without regulatory compliance requirements.

Q: How do the contact post length differences impact PCB design?

A: The TSW-123-08-G-D-RA has a contact post length of 0.090" (2.29mm), while the 4-103326-0 measures 0.120" (3.05mm). This 0.030" (0.76mm) difference affects solder joint depth and PCB through-hole design. PCB layout must accommodate the specific post length of the selected connector to ensure proper solder fillet formation and mechanical integrity