Equivalent & Substitute Parts for 77313-127-04LF

Part Overview

The 77313-127-04LF is an Amphenol ICC BERGSTIK® rectangular connector header designed for through-hole mounting applications. This 4-position, 2-row connector operates at 0.100" (2.54mm) pitch and supports 3A per contact with an operating temperature range of -65°C to 130°C. The part is Active status and RoHS Compliant, making it suitable for industrial and commercial applications requiring board-to-board or cable interconnection.

Equivalent and substitute parts are identified when design requirements change, original part availability becomes limited, or alternative sourcing strategies are needed while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	77313-127-04LF
Pitch - Mating	0.100" (2.54mm)
Number of Positions	4
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Connector Type	Header, Breakaway
Contact Type	Male Pin
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Operating Temperature	-65°C ~ 130°C
Current Rating	3A per Contact
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the 77313-127-04LF are qualified based on the following critical parameters that determine functional interchangeability:

Pitch - Mating: 0.100" (2.54mm) — exact match required
Number of Positions: 4 — exact match required
Number of Rows: 2 — exact match required
Row Spacing - Mating: 0.100" (2.54mm) — exact match required
Contact Type: Male Pin — exact match required
Mounting Type: Through Hole — exact match required
Termination: Solder — exact match required
Fastening Type: Push-Pull — exact match required
Material Flammability Rating: UL94 V-0 — minimum requirement

All four substitute parts meet these core criteria. Variations in contact finish, contact material, insulation material, and operating temperature ranges are acceptable within the scope of substitution, provided the application requirements do not exceed the substitute part's specifications.

Parameter Comparison

Parameter	77313-127-04LF (Amphenol ICC)	826632-2 (TE Connectivity)	929665-09-02-I (3M)	BBD-102-G-A (Samtec)	M20-9760246 (Harwin)
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	4	4	4	4	4
Number of Rows	2	2	2	2	2
Row Spacing - Mating	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, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Operating Temperature	-65°C ~ 130°C	-65°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 125°C	-40°C ~ 105°C
Current Rating	3A per Contact	5A	2.5A	Not Specified	3A per Contact
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	Not Specified	UL94 V-0
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All four substitute parts are Active status products with appropriate compliance certifications for general industrial applications.

826632-2 (TE Connectivity AMPMODU Mod II) provides the highest current rating at 5A per contact and maintains the -65°C lower temperature limit, though the upper operating temperature is limited to 105°C. This part is suitable for applications requiring higher current capacity within the 105°C maximum temperature constraint.

929665-09-02-I (3M Series 929) operates within -40°C to 105°C and carries a 2.5A current rating. This part is appropriate for applications where the lower temperature requirement does not exceed -40°C and current per contact does not exceed 2.5A.

BBD-102-G-A (Samtec BBD) operates across -55°C to 125°C, providing a wide temperature range. However, current rating and material flammability rating are not specified in the provided data. This part requires verification against specific application requirements before selection.

M20-9760246 (Harwin M20) matches the original part's 3A per contact rating and maintains UL94 V-0 flammability rating. Operating temperature range is -40°C to 105°C. This part is suitable for applications with identical current requirements and flammability specifications within the stated temperature range.

Frequently Asked Questions (FAQ)

Q: Can I use 929665-09-02-I if my application requires 3A per contact?

A: No. The 929665-09-02-I is rated for 2.5A per contact, which is below the 3A requirement. Use 826632-2 (5A), M20-9760246 (3A), or verify the original 77313-127-04LF specification.

Q: What is the difference between "Header, Breakaway" and "Header, Cuttable"?

A: Both connector types support individual position separation. Breakaway connectors are designed for standard separation, while Cuttable connectors (M20-9760246) allow cutting of the connector strip for custom configurations. Both are mechanically compatible with standard 2.54mm pitch applications.

Q: Is BBD-102-G-A suitable for my application if I need UL94 V-0 certification?

A: The material flammability rating for BBD-102-G-A is not specified in the provided data. Verify this specification directly with Samtec Inc. before selecting this part for applications requiring UL94 V-0 compliance.

Q: Can I use 826632-2 in an application operating at -65°C?

A: No. The 826632-2 operating temperature range is -65°C to 105°C, which does not include -65°C as a minimum. For applications requiring -65°C operation, use 77313-127-04LF or BBD-102-G-A (-55°C to 125°C).

Q: Which substitute part has the best inventory availability?

A: M20-9760246 (Harwin) has 12,636 pieces in stock, followed by 826632-2 (TE Connectivity) with 2,513 pieces, BBD-102-G-A (Samtec) with 2,750 pieces, and 929665-09-02-I (3M) with 1,878 pieces.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts carry either RoHS Compliant or ROHS3 Compliant status, meeting environmental compliance requirements.

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