SFM-135-T2-S-D-A Equivalent & Substitute Parts

Part Overview

The SFM-135-T2-S-D-A is a 70-position receptacle connector from Samtec Inc.'s Tiger Eye™ SFM series, designed for surface mount board-to-board or cable applications. This connector features 0.050" (1.27mm) pitch mating with gold-plated female socket contacts rated for 3.2A per contact at 250VAC. The part is currently active in production with 919 units in stock. Equivalent substitute parts may be required due to inventory availability, procurement lead times, or design revision requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

SFM-135-T2-S-D-A

Samtec Inc.In Stock: 964SFM-135-T2-S-D-A Datasheet

Current PartRFQ

SFM-135-02-S-D-A

Samtec Inc.In Stock: 1328SFM-135-02-S-D-A Datasheet

SimilarRFQ

SFM-135-L2-S-D-A

Samtec Inc.In Stock: 1200SFM-135-L2-S-D-A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The SFM-135-T2-S-D-A has two equivalent substitute parts within the Tiger Eye™ SFM series: SFM-135-L2-S-D-A and SFM-135-02-S-D-A. These parts are functionally interchangeable based on the following critical parameters that define substitution eligibility:

Substitution-Determining Parameters:

• Connector type (Receptacle)
• Contact type (Female Socket)
• Number of positions (70)
• Pitch - mating (0.050" / 1.27mm)
• Number of rows (2)
• Row spacing - mating (0.050" / 1.27mm)
• Mounting type (Surface Mount)
• Termination method (Solder)
• Fastening type (Push-Pull)
• Contact finish - mating (Gold)
• Current rating (3.2A per Contact)
• Voltage rating (250VAC)
• Operating temperature range (-55°C ~ 125°C)
• Insulation material (Liquid Crystal Polymer)
• Flammability rating (UL94 V-0)
• RoHS compliance (ROHS3)

All three parts share identical specifications across these parameters, confirming direct substitution capability.

Parameter Comparison

Engineering Selection Recommendations

All three parts—SFM-135-T2-S-D-A, SFM-135-L2-S-D-A, and SFM-135-02-S-D-A—are active production items with ROHS3 compliance and UL94 V-0 flammability certification. They are electrically and mechanically identical across all specified parameters. Selection between these parts should be based on procurement availability and lead time requirements. SFM-135-02-S-D-A currently has the highest inventory level at 1246 units, followed by SFM-135-L2-S-D-A at 1140 units, and SFM-135-T2-S-D-A at 919 units. All parts maintain the same moisture sensitivity level (MSL 1) and are suitable for unlimited shelf life storage.

Frequently Asked Questions (FAQ)

Q: Are SFM-135-T2-S-D-A, SFM-135-L2-S-D-A, and SFM-135-02-S-D-A directly interchangeable?

A: Yes. All three parts are direct substitutes. They share identical electrical ratings (3.2A per contact, 250VAC), mechanical dimensions (70 positions, 0.050" pitch, 2 rows), contact specifications (gold-plated female sockets), mounting type (surface mount solder termination), and environmental ratings (-55°C to 125°C operating range, UL94 V-0, ROHS3 compliant).

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

A: The differences are limited to internal design variants within the Tiger Eye™ SFM series. The letter and number designations in the part number (T2, L2, 02) indicate different internal configurations, but all external electrical and mechanical parameters remain identical. These variants are functionally equivalent for board-to-board or cable connection applications.

Q: Can I use these connectors in high-temperature applications?

A: Yes. All three parts are rated for operating temperatures from -55°C to 125°C, making them suitable for industrial and automotive applications within this temperature range.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant and suitable for applications requiring RoHS certification.

Q: What is the moisture sensitivity level for these connectors?

A: All three parts have MSL 1 (Unlimited), indicating unlimited shelf life without moisture-related degradation concerns.

Q: Which part should I select if all are equivalent?

A: Selection should be based on procurement lead time and inventory availability. SFM-135-02-S-D-A has the highest current stock level, followed by SFM-135-L2-S-D-A and SFM-135-T2-S-D-A.