TMM-120-01-TM-S-SM Equivalent & Substitute Parts

Part Overview

The TMM-120-01-TM-S-SM is a 2MM terminal strip connector header manufactured by Samtec Inc. This surface mount rectangular connector features 20 positions in a single row configuration with 0.079" (2.00mm) pitch spacing. The connector is designed for board-to-board or cable applications with push-pull fastening and solder termination. The part is currently active in production with full inventory availability (1047 pcs in stock). Alternative models are identified to support supply chain flexibility, design optimization, and application-specific requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer	Samtec Inc.
Series	TMM
Connector Type	Header
Contact Type	Male Pin
Number of Positions	20
Pitch - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Termination	Solder
Current Rating	3.2A per Contact
Operating Temperature	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TMM-120-01-TM-S-SM is determined by strict equivalence across the following critical parameters:

Manufacturer: Samtec Inc. (same manufacturer ensures design and quality consistency)
Series: TMM (maintains connector family compatibility)
Number of Positions: 20 (electrical interface requirement)
Pitch - Mating: 0.079" (2.00mm) (mechanical mating requirement)
Contact Type: Male Pin (interface type)
Mounting Type: Surface Mount (PCB assembly requirement)
Termination: Solder (assembly process requirement)
Current Rating: 3.2A per Contact (electrical performance requirement)
Operating Temperature: -55°C ~ 105°C (thermal operating range)
Material Flammability Rating: UL94 V-0 (safety compliance)
RoHS Status: ROHS3 Compliant (regulatory compliance)

The identified substitute part TMM-120-01-T-S-SM-P maintains full equivalence across all critical parameters while introducing an additional feature designation (Pick and Place capability).

Parameter Comparison

Parameter	TMM-120-01-TM-S-SM	TMM-120-01-T-S-SM-P
Manufacturer	Samtec Inc.	Samtec Inc.
Series	TMM	TMM
Connector Type	Header	Header
Contact Type	Male Pin	Male Pin
Number of Positions	20	20
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	1	1
Mounting Type	Surface Mount	Surface Mount
Termination	Solder	Solder
Fastening Type	Push-Pull	Push-Pull
Contact Length - Mating	0.126" (3.20mm)	0.126" (3.20mm)
Insulation Height	0.059" (1.50mm)	0.059" (1.50mm)
Contact Shape	Square	Square
Contact Finish - Mating	Tin	Tin
Contact Finish - Post	Tin	Tin
Contact Material	Phosphor Bronze	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Insulation Color	Black	Black
Current Rating	3.2A per Contact	3.2A per Contact
Base Product Number	TMM-120	TMM-120
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active
Features	—	Pick and Place
Inventory	1047 Pcs	952 Pcs

Engineering Selection Recommendations

Both the TMM-120-01-TM-S-SM and TMM-120-01-T-S-SM-P are active production parts from Samtec Inc. with full ROHS3 compliance and UL94 V-0 flammability certification. The parts are electrically and mechanically equivalent across all specified parameters.

The TMM-120-01-T-S-SM-P includes Pick and Place feature designation, which indicates enhanced compatibility with automated assembly processes. This distinction does not alter electrical performance, thermal characteristics, or mechanical interface specifications.

Selection between these parts should be based on assembly process requirements and inventory availability. Both parts support identical circuit design and PCB layout implementations.

Frequently Asked Questions (FAQ)

Q: Are TMM-120-01-TM-S-SM and TMM-120-01-T-S-SM-P electrically interchangeable?

A: Yes. Both parts maintain identical electrical specifications including 3.2A per contact current rating, operating temperature range of -55°C to 105°C, and contact material composition (Phosphor Bronze with Tin finish).

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

A: The primary difference is the Pick and Place feature designation in the TMM-120-01-T-S-SM-P variant. This indicates optimized design for automated pick-and-place assembly equipment. All other electrical, mechanical, and thermal parameters are identical.

Q: Can I use these connectors interchangeably in the same PCB design?

A: Yes. Both connectors share identical mating pitch (0.079" / 2.00mm), position count (20), mounting type (surface mount), and footprint specifications. PCB layout and design files require no modification when substituting between these parts.

Q: Are both parts RoHS compliant?

A: Yes. Both TMM-120-01-TM-S-SM and TMM-120-01-T-S-SM-P are ROHS3 compliant and carry UL94 V-0 flammability certification.

Q: What is the current handling capacity per contact?

A: Both parts are rated for 3.2A per contact, supporting identical power distribution requirements in board-to-board or cable applications.

Q: Are there any temperature limitations for these connectors?

A: Both parts operate across the identical temperature range of -55°C to 105°C, suitable for industrial and commercial applications.

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