3M 929710-11-36 Equivalent & Substitute Parts

Part Overview

The 3M 929710-11-36 is a rectangular connector header designed for through-hole board-to-board applications. This unshrouded, 72-position connector operates at 2.54mm pitch with male pin contacts and solder termination. The part is classified as Last Time Buy, indicating discontinued production status. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	72
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Current Rating	2.5A
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for the 3M 929710-11-36 is determined by the following critical parameters:

Pitch - Mating: 0.100" (2.54mm) — must match exactly for PCB footprint compatibility
Connector Type: Header with male pin contacts — determines mating interface
Mounting Type: Through Hole — establishes termination method
Number of Rows: 2 — defines physical layout
Row Spacing - Mating: 0.100" (2.54mm) — ensures proper board spacing

The TE Connectivity AMP Connectors 4-103322-0 shares the same pitch, connector type, mounting method, and row configuration. However, it provides 80 positions versus 72 positions in the original part. This difference in position count represents a functional variation that must be evaluated based on application requirements. The substitute part maintains electrical and mechanical compatibility within the 2.54mm pitch header family while offering extended capacity.

Parameter Comparison

Parameter	3M 929710-11-36	TE Connectivity 4-103322-0
Connector Type	Header	Header, Breakaway
Contact Type	Male Pin	Male Pin
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	72	80
Number of Rows	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole
Termination	Solder	Solder
Contact Length - Mating	0.318" (8.08mm)	0.318" (8.08mm)
Contact Length - Post	0.125" (3.18mm)	0.125" (3.18mm)
Overall Contact Length	0.543" (13.80mm)	0.533" (14.65mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)
Contact Shape	Square	Square
Contact Finish - Mating	Tin-Lead	Tin-Lead
Contact Material	Copper Alloy	Copper Alloy
Operating Temperature	-40°C ~ 105°C	-65°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Insulation Color	Black	Black
Current Rating	2.5A	3A
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040

Engineering Selection Recommendations

The 3M 929710-11-36 is designated Last Time Buy, requiring transition to alternative components. The TE Connectivity 4-103322-0 provides functional equivalence within the 2.54mm pitch header connector family, with the following considerations based on provided specifications:

The substitute part is classified as Obsolete, indicating it is also no longer in active production. Both parts maintain UL94 V-0 flammability compliance and unlimited moisture sensitivity rating. The TE Connectivity part offers a higher current rating (3A versus 2.5A) and extended operating temperature range (-65°C to 105°C versus -40°C to 105°C).

The primary design difference is the 80-position configuration of the substitute versus the 72-position original. This requires PCB layout modification to accommodate the additional 8 contact positions. The substitute part's breakaway feature provides design flexibility not present in the original part.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 4-103322-0 be used as a direct drop-in replacement for the 3M 929710-11-36?

A: Direct drop-in replacement is not possible due to the difference in position count (80 versus 72). PCB footprint modification is required. However, the matching 2.54mm pitch, through-hole mounting, and solder termination ensure mechanical and electrical compatibility within the connector interface family.

Q: What are the critical parameters for substitution within this connector family?

A: The critical parameters are pitch (0.100" / 2.54mm), number of rows (2), row spacing (0.100" / 2.54mm), connector type (header), contact type (male pin), mounting method (through hole), and termination type (solder). Variations in position count and insulation height are secondary design parameters.

Q: Are there compliance differences between the two parts?

A: Both parts share identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications. Both maintain UL94 V-0 flammability rating. The 3M part is RoHS non-compliant, while the TE Connectivity part status is not applicable. The TE Connectivity part has undefined REACH status compared to the 3M part's REACH Affected designation.

Q: What is the impact of the insulation height difference?

A: The TE Connectivity part has a 0.090" (2.29mm) insulation height versus 0.100" (2.54mm) for the 3M part. This 0.010" difference may affect board spacing and stacking height calculations in multi-connector applications. PCB design verification is necessary.

Q: Does the higher current rating of the substitute part affect compatibility?

A: The TE Connectivity part's 3A current rating exceeds the original 2.5A specification. This represents an improvement in current-carrying capacity and does not create compatibility issues. Applications designed for 2.5A operation remain within the substitute part's electrical envelope.

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