TFM-140-12-S-D-A-P Equivalent & Substitute Parts

Part Overview

The TFM-140-12-S-D-A-P is a surface mount rectangular connector header manufactured by Samtec Inc. as part of the Tiger Eye™ TFM series. This 80-position, dual-row connector operates at 0.050" (1.27mm) pitch and is designed for board-to-board or cable applications with push-pull fastening. The part is currently active in production with full inventory availability. Equivalent parts are identified when identical electrical and mechanical specifications are required for component procurement, design flexibility, or supply chain continuity.

Substiute Parts

TFM-140-12-S-D-A-P

Samtec Inc.In Stock: 994TFM-140-12-S-D-A-P Datasheet

Current PartRFQ

TFM-140-12-S-D-A-K

Samtec Inc.In Stock: 996TFM-140-12-S-D-A-K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TFM-140-12-S-D-A-P is determined by strict equivalence across the following critical parameters:

• Number of positions: 80
• Number of rows: 2
• Pitch specification: 0.050" (1.27mm)
• Row spacing: 0.050" (1.27mm)
• Connector type: Header
• Contact type: Male Pin
• Mounting type: Surface Mount
• Fastening type: Push-Pull
• Shrouding: Shrouded - 4 Wall
• Current rating: 2.9A per Contact
• Voltage rating: 275VAC
• Operating temperature range: -55°C ~ 125°C
• Contact material: Phosphor Bronze
• Insulation material: Liquid Crystal Polymer (LCP)
• Contact finish - Mating: Gold
• Contact finish - Post: Tin
• Termination: Solder
• Product status: Active
• RoHS compliance: ROHS3 Compliant

The TFM-140-12-S-D-A-K meets all substitution criteria and is classified as a direct equivalent part.

Parameter Comparison

Engineering Selection Recommendations

Both the TFM-140-12-S-D-A-P and TFM-140-12-S-D-A-K are active production parts from Samtec Inc. with identical electrical, mechanical, and compliance specifications. Both parts are ROHS3 compliant and carry EAR99 export classification. Selection between these equivalent parts may be based on inventory availability, lead time, or procurement source. The TFM-140-12-S-D-A-K currently maintains 930 pieces in stock compared to 887 pieces for the TFM-140-12-S-D-A-P. No technical differentiation exists between these parts for circuit design or application purposes.

Frequently Asked Questions (FAQ)

Q: Are TFM-140-12-S-D-A-P and TFM-140-12-S-D-A-K fully interchangeable?

A: Yes. Both parts are identical across all electrical, mechanical, and environmental specifications. They share the same pitch (0.050"), position count (80), row configuration (2), current rating (2.9A per contact), voltage rating (275VAC), operating temperature range (-55°C ~ 125°C), and compliance certifications.

Q: What is the difference between the part numbers?

A: The part numbers differ only in the final suffix character (P versus K). This designation reflects internal Samtec manufacturing or packaging variations that do not affect electrical or mechanical performance.

Q: Can I use TFM-140-12-S-D-A-K as a direct replacement in existing designs?

A: Yes. No design modifications are required. The substitute part maintains identical PCB footprint, mating interface, and electrical characteristics.

Q: Are both parts available in the same packaging?

A: Yes. Both parts are supplied in tube packaging.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and EAR99 export classification.