Amphenol ICC 77313-157-72 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 77313-157-72 is a rectangular connector header with 72 positions at 2.54mm pitch, designed for through-hole board-to-board or cable applications. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production support. The BERGSTIK® series connector features unshrouded, breakaway male pin headers with solder termination and push-pull fastening. Direct equivalents and functional substitutes from Amphenol ICC and 3M are available to maintain design compatibility while addressing product lifecycle and compliance requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	77313-157-72
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Series	BERGSTIK®
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	72
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Shrouding	Unshrouded
Contact Shape	Square
Insulation Material	Thermoplastic
Insulation Color	Black
Material Flammability Rating	UL94 V-0
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 77313-157-72 is determined by strict equivalence in the following critical parameters:

Core Electrical & Mechanical Compatibility:

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
Fastening type: Push-Pull
Shrouding: Unshrouded
Contact shape: Square
Insulation color: Black
Material flammability rating: UL94 V-0

Substitution Categories:

Direct Amphenol ICC Equivalent: The 77313-157-72LF is the active production equivalent from the same manufacturer and series. It maintains identical mechanical and electrical specifications while offering RoHS compliance and active product status.

3M Series 929 Substitutes: Multiple 3M 929 series headers provide functional equivalence with variations in contact post length. These parts share identical mating contact length (0.318"), pitch, position count, and row configuration. Differences in post length (0.110", 0.175", 0.410", 0.710") accommodate varying PCB thicknesses and application requirements. All 3M variants feature tin or gold contact finishes and are RoHS compliant with active product status.

Contact Finish Variants: Gold-plated versions (929715 series) provide enhanced corrosion resistance compared to tin-plated alternatives (929710 series), while maintaining identical mechanical form factors and electrical performance.

Parameter Comparison

Parameter	77313-157-72	77313-157-72LF	929710-01-36	929710-01-36-RK	929710-03-36-RK	929710-06-36-RK	929710-10-36-RK	929710-11-36-RK	929715-01-36-EU	929715-01-36-I	929715-03-36-EU
Manufacturer	Amphenol ICC	Amphenol ICC	3M	3M	3M	3M	3M	3M	3M	3M	3M
Series	BERGSTIK®	BERGSTIK®	929	929	929	929	929	929	929	929	929
Number of Positions	72	72	72	72	72	72	72	72	72	72	72
Number of Rows	2	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)	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)	0.100" (2.54mm)
Connector Type	Header, Breakaway	Header, Breakaway	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	Male Pin
Mounting Type	Through Hole	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	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Length - Mating	0.333" (8.46mm)	0.333" (8.46mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)
Contact Length - Post	0.120" (3.05mm)	0.120" (3.05mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.410" (10.41mm)	0.710" (18.03mm)	0.175" (4.45mm)	0.125" (3.18mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.410" (10.41mm)
Overall Contact Length	0.553" (14.04mm)	0.553" (14.04mm)	0.528" (13.42mm)	0.528" (13.42mm)	0.828" (21.03mm)	1.128" (28.65mm)	0.593" (15.07mm)	0.543" (13.80mm)	0.528" (13.42mm)	0.528" (13.42mm)	0.828" (21.03mm)
Insulation Height	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)	0.100" (2.54mm)
Insulation Material	Thermoplastic	Thermoplastic	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT)
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Contact Finish - Mating	Gold or Gold, GXT™	Gold or Gold, GXT™	Tin-Lead	Tin	Tin	Tin	Tin	Tin	Gold	Gold	Gold
Contact Finish - Post	Tin	Tin	—	Tin	Tin	Tin	Tin	Tin	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Operating Temperature	—	-65°C ~ 130°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	—	3A per Contact	2.5A	2.5A	2.5A	2.5A	2.5A	2.5A	2.5A	2.5A	2.5A
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	UL94 V-0
Product Status	Obsolete	Active	Last Time Buy	Active	Active	Active	Active	Active	Active	Active	Discontinued at DiGi Electronics
RoHS Status	RoHS non-compliant	RoHS Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS 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)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: 77313-157-72LF

The Amphenol ICC 77313-157-72LF is the direct active equivalent from the original manufacturer. This part maintains identical mechanical and electrical specifications to the obsolete 77313-157-72 while offering RoHS compliance and active product status. Selection of this part eliminates cross-manufacturer compatibility concerns and preserves the original BERGSTIK® series design intent. The 77313-157-72LF is suitable for new designs and production continuity.

Secondary Recommendation: 3M 929710-01-36-RK or 929710-11-36-RK

The 3M 929 series provides functional equivalence with RoHS compliance and active product status. The 929710-01-36-RK features a 0.110" (2.79mm) post length, while the 929710-11-36-RK offers a 0.125" (3.18mm) post length. Both variants accommodate standard PCB thicknesses and maintain identical mating contact geometry. These parts are suitable when cross-manufacturer sourcing is acceptable and cost considerations favor 3M supply chains.

Gold-Plated Alternative: 929715-01-36-EU or 929715-01-36-I

The 3M 929715 series provides gold-plated contact finishes for enhanced corrosion resistance in demanding environments. The 929715-01-36-EU and 929715-01-36-I maintain identical mechanical form factors and electrical performance while offering superior contact durability. These parts are suitable for applications requiring extended shelf life or exposure to corrosive atmospheres.

Extended Post Length Options: 929710-03-36-RK, 929710-06-36-RK, 929710-10-36-RK

The 3M 929 series offers post length variants (0.410", 0.710", 0.175") to accommodate non-standard PCB thicknesses or specific application geometries. Selection of these variants requires confirmation that the extended or reduced post length does not compromise mechanical stability or electrical performance in the target application.

Compliance Considerations

The original 77313-157-72 is RoHS non-compliant. All recommended substitutes except 929710-01-36 are RoHS compliant, supporting regulatory compliance for new designs and production. The 929710-01-36 carries Last Time Buy status and RoHS non-compliance, making it unsuitable for new production unless legacy compliance requirements apply.

Frequently Asked Questions (FAQ)

Q: Can the 77313-157-72LF be used as a direct replacement for the 77313-157-72?

A: Yes. The 77313-157-72LF is the active production equivalent from Amphenol ICC. It maintains identical mechanical and electrical specifications, including 72 positions, 2.54mm pitch, 2-row configuration, through-hole mounting, and push-pull fastening. The primary differences are active product status and RoHS compliance.

Q: What is the difference between the 3M 929710 and 929715 series?

A: Both series share identical mechanical form factors, position counts, and pitch specifications. The primary difference is contact finish: 929710 series uses tin plating, while 929715 series uses gold plating. Gold-plated variants provide enhanced corrosion resistance and are suitable for applications requiring extended shelf life or exposure to corrosive environments.

Q: How do post length variations affect compatibility?

A: Post length determines the depth of solder penetration into the PCB. The standard post length of 0.110" (2.79mm) accommodates typical PCB thicknesses. Extended post lengths (0.410", 0.710") are suitable for thicker PCBs or applications requiring deeper mechanical engagement. Reduced post lengths (0.125", 0.175") are suitable for thinner PCBs. Selection must confirm that the chosen post length does not compromise mechanical stability or create solder joint defects.

Q: Are all substitute parts RoHS compliant?

A: No. The 929710-01-36 is RoHS non-compliant and carries Last Time Buy status. All other recommended substitutes, including the 77313-157-72LF and all 929710-RK and 929715 variants, are RoHS compliant. For new designs and production, RoHS-compliant parts are required.

Q: What is the difference between 929715-01-36-EU and 929715-01-36-I?

A: Both parts feature gold-plated contacts and identical mechanical specifications. The primary difference is insulation material: 929715-01-36-EU uses Polycyclohexylenedimethylene Terephthalate (PCT), while 929715-01-36-I uses Polybutylene Terephthalate (PBT) with polyester and glass filling. Both materials meet UL94 V-0 flammability requirements. Selection depends on specific thermal or mechanical requirements of the application.

Q: Can 3M 929 series parts be mixed with Amphenol ICC BERGSTIK® parts in the same assembly?

A: Yes. All substitute parts maintain identical mating contact geometry (0.100" pitch, 2-row configuration, square contact shape) and fastening type (push-pull). Cross-manufacturer mixing is mechanically and electrically compatible. However, design documentation should reflect the specific part numbers used to ensure traceability and support future maintenance or rework.

Q: What is the operating temperature range for each substitute?

A: The 77313-157-72LF operates from -65°C to 130°C. All 3M 929 series substitutes (929710 and 929715 variants) operate from -40°C to 105°C. Selection must confirm that the operating temperature range of the chosen substitute meets the thermal requirements of the target application.

Q: Is the 929715-03-36-EU still available for new orders?

A: The 929715-03-36-EU is discontinued at DiGi Electronics. While inventory may be available from other distributors, this part should not be selected for new designs. The 929715-01-36-EU or 929715-01-36-I are recommended as active alternatives with identical contact finish and compatible mechanical specifications.

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