TFM-135-03-L-D Equivalent & Substitute Parts

Part Overview

The TFM-135-03-L-D is a rectangular connector header manufactured by Samtec Inc. as part of the Tiger Eye™ TFM series. This through-hole connector features 70 positions arranged in 2 rows with 0.050" (1.27mm) pitch, designed for board-to-board or cable applications. The connector is actively produced and maintains full inventory availability. Substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity.

Substiute Parts

TFM-135-03-L-D

Samtec Inc.In Stock: 1086TFM-135-03-L-D Datasheet

Current PartRFQ

TFM-135-03-L-D-A

Samtec Inc.In Stock: 1108TFM-135-03-L-D-A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TFM-135-03-L-D is determined by strict equivalence across the following critical parameters:

• Number of Positions: 70
• Number of Rows: 2
• Pitch - Mating: 0.050" (1.27mm)
• Row Spacing - Mating: 0.050" (1.27mm)
• Connector Type: Header
• Contact Type: Male Pin
• Mounting Type: Through Hole
• Termination: Solder
• Shrouding: Shrouded - 4 Wall
• Current Rating: 2.9A per Contact
• Voltage Rating: 275VAC
• Operating Temperature: -55°C ~ 125°C
• Material Flammability Rating: UL94 V-0
• Contact Material: Phosphor Bronze
• Insulation Material: Liquid Crystal Polymer (LCP)
• RoHS Status: ROHS3 Compliant

The substitute part TFM-135-03-L-D-A maintains full electrical and mechanical compatibility with the main part across all critical parameters. Both parts are manufactured by Samtec Inc. within the same Tiger Eye™ TFM series and share identical connector specifications.

Parameter Comparison

Engineering Selection Recommendations

Both TFM-135-03-L-D and TFM-135-03-L-D-A are active products manufactured by Samtec Inc. and maintain full ROHS3 compliance. The parts are electrically and mechanically equivalent across all specified parameters, including current rating, voltage rating, operating temperature range, and contact materials.

The TFM-135-03-L-D-A includes a Board Guide feature not present in the base TFM-135-03-L-D. This feature provides additional mechanical alignment during mating operations. Selection between the two parts depends on whether the Board Guide feature is required for the application.

Both parts carry identical regulatory classifications (EAR99, HTSUS 8536.69.4040) and moisture sensitivity levels (MSL 1 - Unlimited), indicating equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Are TFM-135-03-L-D and TFM-135-03-L-D-A electrically interchangeable?

A: Yes. Both parts maintain identical electrical specifications including 2.9A per contact current rating, 275VAC voltage rating, and operating temperature range of -55°C to 125°C. Contact materials, finishes, and thicknesses are identical.

Q: What is the difference between TFM-135-03-L-D and TFM-135-03-L-D-A?

A: The TFM-135-03-L-D-A includes a Board Guide feature for enhanced mechanical alignment during mating. All other electrical and mechanical parameters are identical.

Q: Can I use TFM-135-03-L-D-A as a direct replacement for TFM-135-03-L-D?

A: Yes. The TFM-135-03-L-D-A is a direct substitute with identical connector specifications. The addition of the Board Guide feature does not affect compatibility with existing mating connectors or PCB layouts designed for the base part.

Q: Are both parts RoHS compliant?

A: Yes. Both TFM-135-03-L-D and TFM-135-03-L-D-A are ROHS3 compliant.

Q: What is the pitch specification for these connectors?

A: Both parts feature 0.050" (1.27mm) mating pitch with 0.050" (1.27mm) row spacing, accommodating 70 positions across 2 rows.

Q: What mounting method is used for these connectors?

A: Both parts are through-hole mounted with solder termination, designed for permanent board attachment.

Q: Are there any differences in packaging or inventory status?

A: Both parts are supplied in tube packaging. TFM-135-03-L-D has 981 pieces in stock, while TFM-135-03-L-D-A has 999 pieces in stock.