Amphenol ICC 77313-101-34 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 77313-101-34 is a through-hole rectangular connector header with 34 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This component is part of the BERGSTIK® series and is classified as obsolete. The part features unshrouded male pin contacts with solder termination and push-pull fastening, designed for board-to-board or cable applications.

Due to its obsolete status, equivalent substitute parts from active product lines are necessary for new designs and ongoing production requirements. Active alternatives maintain the core electrical and mechanical specifications while offering improved availability and compliance certifications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	34
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
Contact Length - Mating	0.230" (5.84mm)
Insulation Material	Thermoplastic
Contact Material	Phosphor Bronze
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 77313-101-34 is determined by strict equivalence in the following critical parameters:

Connector positioning: 34 positions in 2 rows
Pitch specification: 0.100" (2.54mm) mating pitch and row spacing
Contact configuration: Male pin, unshrouded header
Mounting and termination: Through-hole solder termination with push-pull fastening
Contact mating length: 0.230" (5.84mm)
Electrical safety: UL94 V-0 flammability rating

The substitute parts listed below maintain these core specifications. Variations in contact post length, insulation material composition, contact finish specifications, and compliance certifications are secondary parameters that do not prevent functional substitution when the primary parameters align.

Parameter Comparison

Parameter	77313-101-34	77313-101-34LF	146223-1	6-146254-7	6-146256-7	6-146257-7
Manufacturer	Amphenol ICC (FCI)	Amphenol ICC (FCI)	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP
Series	BERGSTIK®	BERGSTIK®	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II
Product Status	Obsolete	Active	Active	Active	Active	Active
Number of Positions	34	34	34	34	34	34
Number of Rows	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)
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)
Contact Type	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
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Material Flammability Rating	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
Operating Temperature	Not specified	-65°C ~ 130°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C
Current Rating (Amps)	Not specified	3A per Contact	3A	3A	3A	3A
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute - Amphenol ICC 77313-101-34LF

The 77313-101-34LF is the direct successor within the same manufacturer's product line. It maintains identical mechanical and electrical specifications to the original part while offering active product status. This part achieves ROHS3 compliance and specifies an extended operating temperature range of -65°C to 130°C with a 3A per contact current rating. Selection of this part eliminates supply chain risk associated with obsolete components.

Alternative Substitutes - TE Connectivity AMPMODU Mod II Series

The TE Connectivity parts (146223-1, 6-146254-7, 6-146256-7, 6-146257-7) provide functional equivalence through identical pitch, position count, and contact mating length specifications. All four parts are active products with UL94 V-0 flammability ratings and MSL 1 moisture sensitivity levels.

146223-1: Offers 33 of 34 positions loaded with -65°C to 105°C operating range and 30VAC voltage rating. RoHS non-compliant status.
6-146254-7: All 34 positions loaded, tin mating contact finish, thermoplastic insulation material, RoHS compliant.
6-146256-7: All 34 positions loaded, gold mating contact finish, liquid crystal polymer insulation, ROHS3 compliant.
6-146257-7: All 34 positions loaded, gold mating contact finish, liquid crystal polymer insulation, RoHS compliant.

Selection among TE Connectivity alternatives depends on compliance requirements and insulation material specifications. Parts with liquid crystal polymer insulation (6-146254-7, 6-146256-7, 6-146257-7) offer improved thermal and mechanical properties compared to thermoplastic insulation.

Frequently Asked Questions (FAQ)

Q: Can the 77313-101-34LF directly replace the obsolete 77313-101-34?

A: Yes. The 77313-101-34LF maintains identical pitch (0.100"), position count (34 in 2 rows), contact mating length (0.230"), mounting type (through-hole), and termination method (solder). The primary difference is product status (active versus obsolete) and improved compliance certifications.

Q: What are the key differences between Amphenol ICC and TE Connectivity substitutes?

A: Both manufacturers provide 34-position, 2-row headers with 0.100" pitch and identical contact mating length. Amphenol ICC 77313-101-34LF offers extended operating temperature range (-65°C to 130°C). TE Connectivity AMPMODU Mod II parts operate to -65°C to 105°C. Contact material differs: Amphenol uses phosphor bronze; TE Connectivity uses copper alloy. Insulation material varies among TE Connectivity options (thermoplastic versus liquid crystal polymer).

Q: Are there packaging differences between these substitutes?

A: The original 77313-101-34 packaging is not specified. The 77313-101-34LF is supplied in bulk packaging. All TE Connectivity alternatives (146223-1, 6-146254-7, 6-146256-7, 6-146257-7) are supplied in bulk packaging. Packaging format does not affect functional compatibility.

Q: Which substitute offers the best compliance profile?

A: The 77313-101-34LF achieves ROHS3 compliance with unlimited moisture sensitivity level. Among TE Connectivity options, 6-146256-7 and 6-146257-7 offer ROHS3 compliance, while 6-146254-7 offers RoHS compliance. The original part and TE Connectivity 146223-1 are RoHS non-compliant. Selection depends on regulatory requirements for the end application.

Q: Does contact finish affect substitution compatibility?

A: Contact finish (gold, tin, or gold with GXT™ treatment) does not prevent functional substitution when mating pitch, position count, and contact mating length are identical. Contact finish selection influences corrosion resistance and contact reliability in specific environmental conditions but does not affect mechanical fit or basic electrical function.

Q: What is the significance of "Number of Positions Loaded"?

A: The 77313-101-34 and most substitutes have all 34 positions loaded. The TE Connectivity 146223-1 has 33 of 34 positions loaded. This indicates one position is not populated with a contact. This difference may affect applications requiring all 34 positions to be functional.

Q: Can these headers be used interchangeably in existing designs?

A: Mechanical and electrical interchangeability is confirmed for all listed substitutes based on identical pitch, position count, contact mating length, and mounting specifications. PCB layout and mating connector designs based on 0.100" pitch and 34-position configuration will accommodate any of these headers without modification.

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