TFM-135-22-S-D-A Equivalent & Substitute Parts

Part Overview

The TFM-135-22-S-D-A is a surface mount rectangular connector header manufactured by Samtec Inc. as part of the Tiger Eye™ TFM series. This 70-position, 2-row connector operates at 0.050" (1.27mm) pitch and is designed for board-to-board applications with push-pull fastening. The part is currently active in production with full inventory availability. Alternative models within the TFM-135 series are available to accommodate different insulation height requirements while maintaining electrical and mechanical compatibility across the product line.

Substiute Parts

TFM-135-22-S-D-A

Samtec Inc.In Stock: 1062TFM-135-22-S-D-A Datasheet

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TFM-135-12-S-D-A

Samtec Inc.In Stock: 1011TFM-135-12-S-D-A Datasheet

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TFM-135-32-S-D-A

Samtec Inc.In Stock: 992TFM-135-32-S-D-A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts within the TFM-135 series are qualified based on identical electrical and mechanical parameters across all critical mating and termination specifications. The TFM-135-22-S-D-A can be substituted with TFM-135-12-S-D-A and TFM-135-32-S-D-A under the following conditions:

Identical Parameters (Substitution Basis):

• Connector type, contact type, and gender (Header, Male Pin)
• Number of positions and rows (70 positions, 2 rows)
• Pitch and row spacing (0.050" / 1.27mm)
• Mounting type and termination (Surface Mount, Solder)
• Fastening type and shrouding (Push-Pull, Shrouded - 4 Wall)
• Contact finish, material, and insulation material (Gold finish, Phosphor Bronze, LCP)
• Operating temperature range (-55°C ~ 125°C)
• Current and voltage ratings (2.9A per Contact, 275VAC)
• Compliance certifications (UL94 V-0, ROHS3, MSL 1)

Variable Parameter (Differentiator):

• Insulation Height: TFM-135-12-S-D-A (0.290"), TFM-135-22-S-D-A (0.360"), TFM-135-32-S-D-A (0.435")

Substitution is valid when insulation height variation does not conflict with board layout, mating connector clearance, or stacking requirements.

Parameter Comparison

Engineering Selection Recommendations

All three parts—TFM-135-22-S-D-A, TFM-135-12-S-D-A, and TFM-135-32-S-D-A—maintain active product status with full compliance to ROHS3 and UL94 V-0 flammability standards. Selection between these variants is determined solely by insulation height requirements within the target application. The TFM-135-12-S-D-A offers the lowest profile at 0.290" (7.37mm), suitable for space-constrained designs. The TFM-135-22-S-D-A provides a mid-range profile at 0.360" (9.14mm). The TFM-135-32-S-D-A delivers the highest profile at 0.435" (11.05mm) for applications requiring additional clearance or stacking height. All parts share identical electrical performance, contact ratings, and environmental specifications, making substitution a matter of mechanical fit within the PCB assembly.

Frequently Asked Questions (FAQ)

Q: Can TFM-135-12-S-D-A be used as a direct replacement for TFM-135-22-S-D-A?

A: Yes, provided the lower insulation height of 0.290" (7.37mm) versus 0.360" (9.14mm) does not create clearance conflicts with the mating connector or adjacent board components. All electrical and contact specifications are identical.

Q: What is the primary difference between these three part numbers?

A: The only difference is insulation height. TFM-135-12-S-D-A measures 0.290", TFM-135-22-S-D-A measures 0.360", and TFM-135-32-S-D-A measures 0.435". All other parameters—pitch, contact count, electrical ratings, and materials—are identical.

Q: Are these parts interchangeable in terms of mating connector compatibility?

A: Yes. All three variants accept the same mating connectors due to identical pitch (0.050"), row spacing (0.050"), and contact geometry. Substitution is valid from an electrical and mating perspective.

Q: Do all three parts meet the same compliance standards?

A: Yes. All variants are ROHS3 compliant, UL94 V-0 rated, and carry MSL 1 (Unlimited) moisture sensitivity classification.

Q: Which variant should I select for a new design?

A: Selection depends on available PCB height budget and mating connector clearance. If no height constraint exists, any variant is functionally equivalent. Verify insulation height against your mechanical layout before finalizing the part selection.