TMM-110-06-S-D-SM-P Equivalent & Substitute Parts

Part Overview

The TMM-110-06-S-D-SM-P is a 2MM terminal strip connector header manufactured by Samtec Inc., designed for surface mount board-to-board or cable applications. This 20-position, 2-row rectangular connector features a 0.079" (2.00mm) pitch and is rated for 3.2A per contact with an operating temperature range of -55°C to 125°C. The part is currently active in production with 791 units in stock. Substitute parts may be required due to design revisions, supply chain considerations, or specific application requirements where alternative contact lengths or discontinued status necessitate component alternatives.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.079" (2.00mm)
Number of Positions	20
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Termination	Solder
Contact Material	Phosphor Bronze
Contact Finish - Mating	Gold
Current Rating	3.2A per Contact
Operating Temperature	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TMM-110-06-S-D-SM-P is determined by the following critical parameters:

Pitch - Mating: 0.079" (2.00mm)
Number of Positions: 20
Number of Rows: 2
Row Spacing - Mating: 0.079" (2.00mm)
Connector Type: Header
Contact Type: Male Pin
Mounting Type: Surface Mount
Termination: Solder
Contact Material: Phosphor Bronze
Contact Finish - Mating: Gold
Current Rating: 3.2A per Contact
Operating Temperature: -55°C ~ 125°C

The TMM-110-01-S-D-SM qualifies as a substitute part because it maintains all critical electrical and mechanical parameters. The primary difference is the Contact Length - Mating specification (0.126" vs. 0.168"), which represents a dimensional variation within the same connector family. Both parts share identical pitch, position count, row configuration, contact material, finish specifications, and electrical ratings.

Parameter Comparison

Parameter	TMM-110-06-S-D-SM-P (Main)	TMM-110-01-S-D-SM (Substitute)
Manufacturer	Samtec Inc.	Samtec Inc.
Series	TMM	TMM
Connector Type	Header	Header
Contact Type	Male Pin	Male Pin
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)
Number of Positions	20	20
Number of Rows	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Surface Mount	Surface Mount
Termination	Solder	Solder
Contact Length - Mating	0.168" (4.27mm)	0.126" (3.20mm)
Insulation Height	0.059" (1.50mm)	0.059" (1.50mm)
Contact Shape	Square	Square
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Material	Phosphor Bronze	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Insulation Color	Black	Black
Current Rating	3.2A per Contact	3.2A per Contact
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040
Product Status	Active	Discontinued at DiGi Electronics

Engineering Selection Recommendations

The TMM-110-06-S-D-SM-P is the preferred selection for new designs due to its active product status and current availability of 791 units in stock. This part meets ROHS3 compliance and UL94 V-0 flammability requirements.

The TMM-110-01-S-D-SM serves as a functional substitute where the shorter contact length (0.126" versus 0.168") is compatible with the application's mating depth requirements. However, this part is discontinued at DiGi Electronics, making it unsuitable for long-term production or new program commitments. Selection of the substitute should be limited to legacy system maintenance or where existing inventory is available through alternative distribution channels.

Both parts maintain identical electrical performance, thermal ratings, and compliance certifications. The decision between them depends on physical board layout constraints and contact engagement depth specifications.

Frequently Asked Questions (FAQ)

Q: Can TMM-110-01-S-D-SM replace TMM-110-06-S-D-SM-P in existing designs?

A: Electrical and thermal compatibility is confirmed. The primary consideration is the contact length difference (0.126" versus 0.168"). Substitution is feasible if the mating connector's depth tolerance accommodates the shorter contact length. PCB layout and connector pocket depth must be verified.

Q: What is the significance of the contact length difference?

A: Contact length determines the depth of engagement with the mating connector. The TMM-110-01-S-D-SM has a shorter mating contact (0.126"), which may affect the contact force and engagement reliability depending on the mating connector's design. Applications with tight tolerance requirements should maintain the original part specification.

Q: Why is TMM-110-01-S-D-SM discontinued?

A: Product discontinuation is a manufacturer decision. The TMM-110-06-S-D-SM-P remains the active production variant within the TMM series for this configuration.

Q: Are there compliance differences between these parts?

A: Both parts are ROHS3 compliant, UL94 V-0 rated, and classified as EAR99 for export control purposes. No compliance differentiation exists.

Q: What inventory considerations apply?

A: TMM-110-06-S-D-SM-P has 791 units in stock. TMM-110-01-S-D-SM is discontinued at DiGi Electronics, limiting availability through standard distribution. Sourcing the substitute requires verification of alternative supplier inventory.

Q: Are the electrical ratings identical?

A: Yes. Both parts are rated for 3.2A per contact and operate across the -55°C to 125°C temperature range with identical contact material (Phosphor Bronze) and gold finish specifications.

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