Amphenol ICC 75844-648-26LF Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 75844-648-26LF is a rectangular connector header with vertical orientation, 26 positions, and 2.54mm pitch designed for through-hole mounting and board-to-board or cable applications. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The BERGSTIK® series connector features solder termination, push-pull fastening, and unshrouded design with gold-plated mating contacts.

Key Parameters

Parameter	Value
Manufacturer Part Number	75844-648-26LF
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Series	BERGSTIK®
Product Status	Obsolete
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	26
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold, GXT™
Contact Material	Phosphor Bronze
Insulation Material	Thermoplastic
Operating Temperature	-65°C ~ 130°C
Material Flammability Rating	UL94 V-0
Current Rating	5A
Voltage Rating	110V
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 75844-648-26LF is determined by the following critical parameters:

Pitch - Mating: 0.100" (2.54mm) — must match exactly
Number of Positions: 26 — must match exactly
Number of Rows: 2 — must match exactly
Row Spacing - Mating: 0.100" (2.54mm) — must match exactly
Connector Type: Header, Breakaway — must match exactly
Contact Type: Male Pin — must match exactly
Mounting Type: Through Hole — must match exactly
Termination: Solder — must match exactly
Fastening Type: Push-Pull — must match exactly
Style: Board to Board or Cable — must match exactly

All substitute parts listed meet these core mechanical and electrical interface requirements. Variations in contact finish thickness, insulation material, operating temperature range, and current rating are acceptable within the constraints of the application environment.

Parameter Comparison

Parameter	75844-648-26LF (Amphenol ICC)	6-146254-3 (TE Connectivity)	6-146256-3 (TE Connectivity)	6-146257-3 (TE Connectivity)	6-146261-3 (TE Connectivity)	802-10-026-10-002000 (Mill-Max)
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)
Number of Positions	26	26	26	26	26	26
Number of Rows	2	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)	0.100" (2.54mm)
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header
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 Finish - Mating	Gold, GXT™	Tin	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Brass Alloy
Insulation Material	Thermoplastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polycyclohexylenedimethylene Terephthalate (PCT)
Operating Temperature	-65°C ~ 130°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	Not specified
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	Not specified
Current Rating	5A	3A	3A	3A	3A	Not specified
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

TE Connectivity AMPMODU Mod II Series (6-146254-3, 6-146256-3, 6-146257-3, 6-146261-3)

The TE Connectivity AMPMODU Mod II series connectors are active products with established supply chains. All four variants maintain the required 26-position, 2-row, 2.54mm pitch configuration and push-pull fastening. These parts are RoHS compliant or ROHS3 compliant and feature UL94 V-0 flammability ratings. The primary trade-off is reduced operating temperature range (-65°C to 105°C versus -65°C to 130°C) and lower current rating (3A versus 5A). Selection among these four variants depends on contact finish requirements: 6-146254-3 uses tin finish, while 6-146256-3, 6-146257-3, and 6-146261-3 use gold finish with varying thickness specifications.

Mill-Max Manufacturing 802 Series (802-10-026-10-002000)

The Mill-Max 802 series connector is an active product with circular contact geometry rather than square. This part maintains the 26-position, 2-row, 2.54mm pitch interface and push-pull fastening. ROHS3 compliance and REACH unaffected status are confirmed. Operating temperature and current rating specifications are not provided for this variant. The circular contact design represents a mechanical variation that may require application-specific evaluation.

For applications requiring the full -65°C to 130°C operating range and 5A current rating of the original part, none of the listed substitutes provide complete parameter equivalence. Selection should prioritize the TE Connectivity AMPMODU Mod II variants for active product status and documented electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a lower current rating (3A instead of 5A)?

A: Current rating substitution depends on your circuit design. If your application draws 3A or less per contact, the TE Connectivity AMPMODU Mod II variants are suitable. If your design requires 5A capacity, the substitute parts do not meet this specification.

Q: What is the difference between the four TE Connectivity AMPMODU Mod II variants?

A: The variants differ in contact finish specifications. 6-146254-3 features tin finish on mating contacts. 6-146256-3, 6-146257-3, and 6-146261-3 feature gold finish with different thickness values (15.0µin, 30.0µin, and 30.0µin respectively). Contact finish selection affects corrosion resistance and long-term reliability in specific environmental conditions.

Q: Why is the operating temperature range lower in the substitute parts?

A: The TE Connectivity AMPMODU Mod II series operates to 105°C maximum, compared to 130°C for the original Amphenol ICC part. This is a material and design difference between the product lines. Applications requiring operation above 105°C cannot use these substitutes.

Q: What is the difference between the TE Connectivity and Mill-Max options?

A: TE Connectivity AMPMODU Mod II connectors use square contacts and provide documented electrical specifications (3A current rating, -65°C to 105°C operating range). The Mill-Max 802 series uses circular contacts and does not provide operating temperature or current rating specifications in the available data.

Q: Are all substitute parts RoHS compliant?

A: Yes. The TE Connectivity variants are RoHS Compliant or ROHS3 Compliant. The Mill-Max variant is ROHS3 Compliant. All meet RoHS requirements for new designs.

Q: Can I mix substitute parts in the same assembly?

A: All listed substitutes maintain identical pitch, position count, row spacing, and fastening type, allowing mechanical interchangeability. However, mixing parts with different contact finishes or materials in the same connector interface is not recommended due to potential galvanic corrosion and inconsistent contact resistance.

Q: What does "Breakaway" mean in the connector type?

A: Breakaway indicates the connector header can be separated into individual pins or smaller groups. This feature is present in the TE Connectivity variants but not specified for the Mill-Max part.

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