Amphenol ICC 67996-172 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 67996-172 is a BERGSTIK® II series rectangular connector header designed for through-hole board-to-board applications. This 72-position, 2-row connector with 0.100" (2.54mm) pitch features male pins with gold-plated mating contacts and phosphor bronze construction. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	67996-172
Manufacturer	Amphenol ICC (FCI)
Series	BERGSTIK® II
Product Status	Obsolete
Number of Positions	72
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Connector Type	Header
Contact Type	Male Pin
Mounting Type	Through Hole
Termination	Solder
Contact Shape	Square
Contact Material	Phosphor Bronze
Contact Finish - Mating	Gold or Gold, GXT™
Contact Finish Thickness - Mating	30.0µin (0.76µm)
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 67996-172 is determined by the following critical parameters:

Position Count & Row Configuration: 72 positions, 2 rows
Pitch Specification: 0.100" (2.54mm) mating pitch and row spacing
Connector Type: Header with male pins
Mounting Method: Through-hole solder termination
Contact Configuration: Square male pins with gold mating finish
Mechanical Compatibility: Board-to-board style, unshrouded, push-pull fastening

Substitute parts are grouped into two categories:

Category A - Direct Electrical & Mechanical Equivalents (72-Position, 2.54mm Pitch) These parts maintain identical position count, pitch, and core electrical characteristics. Variations in contact length, insulation height, and contact finish thickness are within acceptable substitution parameters for the same application class.

Category B - Functional Alternatives (Position Count Variance) The TE Connectivity 4-103783-0 operates at 80 positions with identical pitch and electrical ratings. This part is included due to its presence in the original substitute list, though position count differs from the primary specification.

Parameter Comparison

Parameter	67996-172	67996-172HLF	2372-6121-TG	450-10-272-00-013101	450-80-272-00-001101	450-V3-272-00-006101	MTLW-136-06-F-D-220	MTLW-136-06-T-D-240	MTLW-136-07-F-D-230	MTLW-136-07-F-D-250
Manufacturer	Amphenol ICC	Amphenol ICC	3M	Preci-Dip	Preci-Dip	Preci-Dip	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Number of Positions	72	72	72	72	72	72	72	72	72	72
Number of Rows	2	2	2	2	2	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Contact Shape	Square	Square	Square	Circular	Circular	Circular	Square	Square	Square	Square
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Brass	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish - Mating	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Gold	Tin	Gold	Gold	Tin	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	—	29.5µin (0.75µm)	3.00µin (0.076µm)	—	3.00µin (0.076µm)	3.00µin (0.076µm)
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.134" (3.39mm)	0.156" (3.96mm)	0.141" (3.60mm)	0.220" (5.59mm)	0.240" (6.10mm)	0.230" (5.84mm)	0.250" (6.35mm)
Contact Length - Post	0.095" (2.41mm)	0.095" (2.41mm)	0.120" (3.05mm)	0.121" (3.08mm)	0.164" (4.17mm)	0.114" (2.90mm)	0.020" (0.51mm)	—	0.140" (4.66mm)	0.120" (3.05mm)
Overall Contact Length	0.425" (10.80mm)	0.425" (10.80mm)	0.450" (11.43mm)	0.416" (10.57mm)	0.477" (12.12mm)	0.394" (10.00mm)	0.300" (7.62mm)	0.300" (7.62mm)	0.430" (10.92mm)	0.430" (10.92mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.060" (1.52mm)	0.060" (1.52mm)	0.060" (1.52mm)	0.060" (1.52mm)
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Current Rating (Amps)	—	3A per Contact	3A	3A	3A	3A	5.2A per Contact	5.2A per Contact	5.2A per Contact	5.2A per Contact
Operating Temperature	—	-65°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Active Status, ROHS3 Compliant)

The Amphenol ICC 67996-172HLF is the direct successor to the 67996-172. Both parts share identical electrical and mechanical specifications with 72 positions, 2.54mm pitch, and square male pins. The 67996-172HLF is currently active and ROHS3 compliant, making it the preferred replacement for obsolete stock management.

The Samtec MTLW-136 series (MTLW-136-07-F-D-230, MTLW-136-07-F-D-250, MTLW-136-06-F-D-220) provides active alternatives with ROHS3 compliance and enhanced current ratings of 5.2A per contact. These parts maintain the 72-position, 2.54mm pitch configuration with square male pins and phosphor bronze construction. Variations in contact length and insulation height reflect design optimization within the same connector class.

The Preci-Dip 450 series (450-10-272-00-013101, 450-80-272-00-001101, 450-V3-272-00-006101) offers ROHS3-compliant alternatives with 72 positions and 2.54mm pitch. These parts feature circular male pins and brass construction with operating temperature ranges to 125°C. Contact finish options include gold and tin, with current ratings of 3A per contact.

Secondary Substitutes (Compliance Considerations)

The 3M 2372-6121-TG maintains 72 positions and 2.54mm pitch with square male pins. However, this part is RoHS non-compliant and should be selected only when legacy design requirements mandate 3M connector compatibility.

The TE Connectivity 4-103783-0 operates at 80 positions with 2.54mm pitch and is classified as obsolete. This part is included in the original substitute list but differs in position count from the primary specification.

Frequently Asked Questions (FAQ)

Q: Can the 67996-172HLF directly replace the 67996-172 in existing designs?

A: Yes. The 67996-172HLF is electrically and mechanically identical to the 67996-172, with identical pitch (0.100"), position count (72), contact configuration (square male pins), and mating contact finish (gold). The primary difference is product status: the 67996-172HLF is active and ROHS3 compliant, while the original is obsolete.

Q: What are the key differences between Samtec MTLW-136 variants?

A: All MTLW-136 variants maintain 72 positions and 2.54mm pitch with square male pins and phosphor bronze construction. Differences include contact length (ranging from 0.220" to 0.250"), contact finish (gold or tin), and operating temperature ranges (-55°C to 105°C or 125°C). The MTLW-136-07-F-D-230 and MTLW-136-07-F-D-250 are recommended for applications requiring -55°C to 125°C operation.

Q: Why do Preci-Dip 450 series connectors have circular pins instead of square?

A: The Preci-Dip 450 series uses circular male pins with brass construction, which is a design variation within the 72-position, 2.54mm pitch connector class. This contact geometry remains compatible with standard 0.100" pitch receptacles. The circular pin design does not affect electrical or mechanical substitution compatibility.

Q: Are there RoHS compliance differences between substitute options?

A: Yes. The Amphenol ICC 67996-172HLF, Preci-Dip 450 series, and Samtec MTLW-136 series are all ROHS3 compliant. The 3M 2372-6121-TG is RoHS non-compliant and should be avoided in applications requiring RoHS certification. The TE Connectivity 4-103783-0 is RoHS non-compliant.

Q: What is the significance of contact finish thickness variations?

A: Contact finish thickness affects durability and mating cycle life. The original 67996-172 specifies 30.0µin (0.76µm) gold plating on mating contacts. Substitute parts range from 3.00µin to 30.0µin. Thicker plating (10.0µin and above) provides enhanced wear resistance for high-cycle applications. Thinner plating (3.00µin) is acceptable for standard applications and reflects modern manufacturing practices.

Q: Can the TE Connectivity 4-103783-0 (80-position) be used as a substitute?

A: The 4-103783-0 operates at 80 positions with 2.54mm pitch, differing from the 72-position specification. While electrically compatible with the same pitch standard, the increased position count requires board layout modifications. This part is included in the original substitute list but should be selected only when design requirements accommodate the additional positions.

Q: What current rating should be considered for application selection?

A: The original 67996-172 does not specify a current rating. Substitute parts provide ratings of 3A per contact (Preci-Dip, 3M, TE Connectivity) or 5.2A per contact (Samtec MTLW-136 series). Application current requirements should be evaluated against these ratings. The Samtec MTLW-136 series provides higher current capacity for power distribution applications.

Q: Are packaging differences significant for procurement?

A: Packaging variations (bag, bulk, or unspecified) do not affect electrical or mechanical compatibility. The 67996-172HLF is supplied in bag packaging, while Preci-Dip 450 series and Samtec MTLW-136-07-F-D-230 are supplied in bulk. Packaging selection should be based on inventory management and handling requirements rather than technical compatibility.

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