Amphenol ICC 75844-101-12LF Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 75844-101-12LF is a vertical header connector with 12 positions at 2.54mm pitch, designed for through-hole board-to-board or cable applications. This connector features a 2-row configuration with male pins, gold-plated mating contacts, and phosphor bronze contact material. The product is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and component sourcing.

Key Parameters

Parameter	Value
Manufacturer Part Number	75844-101-12LF
Manufacturer	Amphenol ICC (FCI)
Series	BERGSTIK®
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	12
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 Material	Phosphor Bronze
Contact Finish - Mating	Gold, GXT™
Operating Temperature	-65°C ~ 130°C
Current Rating	5A
Voltage Rating	110V
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 75844-101-12LF are selected based on the following critical parameters that determine functional compatibility:

Primary Matching Criteria:

Connector type: Header with male pins
Position count: 12 positions in 2-row configuration
Pitch: 0.100" (2.54mm) mating pitch and row spacing
Mounting: Through-hole solder termination
Fastening: Push-pull mechanism
Shrouding: Unshrouded design
Contact shape: Square or circular geometry
Insulation material: Thermoplastic or Liquid Crystal Polymer (LCP)

Secondary Compatibility Factors:

Operating temperature range (minimum -65°C, maximum 105°C or higher)
Current rating (minimum 3A)
Contact finish (gold or tin plating acceptable)
Material flammability: UL94 V-0 rating
RoHS compliance status

The substitute parts listed below maintain these core parameters while offering variations in contact material, finish thickness, insulation material, and current ratings. All substitutes are mechanically and electrically compatible for standard board-to-board interconnection applications.

Parameter Comparison

Parameter	75844-101-12LF (Main)	104351-6	5-146256-6	5-146257-6	5-146258-6	5-146261-6	802-10-012-10-002000	MTLW-106-07-G-D-240
Manufacturer	Amphenol ICC	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	Mill-Max Manufacturing	Samtec Inc.
Series	BERGSTIK®	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	802	Flex Stack, MTLW
Number of Positions	12	12	12	12	12	12	12	12
Number of Rows	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)
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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Kinked Pin, 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
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Contact Shape	Square	Square	Square	Square	Square	Square	Circular	Square
Contact Material	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Brass Alloy	Phosphor Bronze
Contact Finish - Mating	Gold, GXT™	Gold	Gold	Gold	Tin	Gold	Gold	Gold
Operating Temperature	-65°C ~ 130°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	Not specified	-55°C ~ 125°C
Current Rating	5A	3A	3A	3A	3A	3A	Not specified	5.2A per Contact
Voltage Rating	110V	30VAC	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	Not specified	UL94 V-0
RoHS Status	RoHS Compliant	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Active Product Substitutes (Recommended for New Designs):

The TE Connectivity AMP Connectors 5-146256-6, 5-146257-6, 5-146258-6, and 5-146261-6 are active products with current manufacturing support. These parts maintain the core 12-position, 2-row, 2.54mm pitch configuration and push-pull fastening mechanism. The AMPMODU Mod II series offers ROHS3 compliance (5-146256-6, 5-146258-6) or RoHS compliance (5-146257-6, 5-146261-6), making them suitable for applications requiring modern regulatory compliance.

The Samtec Inc. MTLW-106-07-G-D-240 provides the highest current rating at 5.2A per contact and operates across -55°C to 125°C, matching the original part's upper temperature capability. This connector is ROHS3 compliant and maintains phosphor bronze contact material consistent with the original design.

Obsolete Product Substitutes (Legacy System Support):

The TE Connectivity AMP Connectors 104351-6 and Mill-Max Manufacturing 802-10-012-10-002000 are listed as alternatives for legacy system maintenance. The 104351-6 is obsolete but maintains the AMPMODU Mod II series compatibility. The 802-10-012-10-002000 is active and ROHS3 compliant, featuring a circular contact geometry and brass alloy material as alternatives to square phosphor bronze contacts.

Compliance Considerations:

Applications requiring RoHS compliance should prioritize 5-146257-6, 5-146261-6, MTLW-106-07-G-D-240, or 802-10-012-10-002000. The 104351-6 is RoHS non-compliant and unsuitable for new designs subject to RoHS regulations.

Current and Voltage Derating:

The original 75844-101-12LF is rated at 5A and 110V. Most TE Connectivity AMPMODU Mod II substitutes are rated at 3A with no specified voltage rating. Applications requiring the original 5A rating should specify the Samtec MTLW-106-07-G-D-240 (5.2A per contact) or verify that the 3A rating of AMPMODU variants is acceptable for the intended application.

Frequently Asked Questions (FAQ)

Q: Can I directly replace the 75844-101-12LF with any of the listed substitutes?

A: Direct mechanical and electrical replacement is possible for all listed substitutes due to matching 12-position, 2-row, 2.54mm pitch configuration and push-pull fastening. However, verify current rating requirements. The original part is rated at 5A; most TE Connectivity AMPMODU Mod II substitutes are rated at 3A. The Samtec MTLW-106-07-G-D-240 maintains 5.2A per contact capability.

Q: What is the difference between the TE Connectivity AMPMODU Mod II variants (5-146256-6, 5-146257-6, 5-146258-6, 5-146261-6)?

A: These variants differ in contact finish and insulation material. 5-146256-6 and 5-146257-6 feature gold mating contact finish with 15.0µin and 30.0µin thickness respectively. 5-146258-6 and 5-146261-6 feature gold or tin mating finish with 100.0µin thickness. All use Liquid Crystal Polymer (LCP) insulation except 5-146256-6, which uses thermoplastic. Contact finish thickness and material selection should align with application requirements for corrosion resistance and contact reliability.

Q: Are there temperature range limitations with the substitutes?

A: The original 75844-101-12LF operates from -65°C to 130°C. Most TE Connectivity AMPMODU Mod II substitutes operate from -65°C to 105°C, representing a 25°C reduction in maximum operating temperature. The Samtec MTLW-106-07-G-D-240 operates from -55°C to 125°C, providing adequate high-temperature performance but with a 10°C reduction in minimum operating temperature. Applications requiring the full -65°C to 130°C range should specify the Samtec connector.

Q: Which substitute is best for new product designs?

A: For new designs, select from active products: 5-146256-6, 5-146257-6, 5-146258-6, 5-146261-6, 802-10-012-10-002000, or MTLW-106-07-G-D-240. All are ROHS3 or RoHS compliant. If current rating is critical, specify MTLW-106-07-G-D-240 (5.2A per contact). If cost optimization is primary, AMPMODU Mod II variants offer active product status with lower current ratings suitable for standard signal applications.

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

A: Contact finish thickness affects durability and corrosion resistance. The original part specifies 30.0µin (0.76µm) gold thickness. Substitutes offer 15.0µin (0.38µm), 30.0µin (0.76µm), or 100.0µin (2.54µm) options. Thicker finishes (100.0µin) provide enhanced durability for high-cycle mating applications or harsh environments. Thinner finishes (15.0µin) are acceptable for standard interconnection with limited mating cycles.

Q: Can I use the Mill-Max 802-10-012-10-002000 as a direct replacement?

A: The Mill-Max 802-10-012-10-002000 maintains the 12-position, 2-row, 2.54mm pitch and through-hole solder termination. However, it features circular contact geometry versus the original square contacts and brass alloy material versus phosphor bronze. These differences are mechanically compatible but may affect contact resistance and mating force characteristics. Verify compatibility with mating connector specifications before substitution.

Q: What RoHS compliance status should I specify for new designs?

A: Specify ROHS3 compliant parts (5-146256-6, 5-146258-6, 802-10-012-10-002000, MTLW-106-07-G-D-240) for designs subject to current RoHS regulations. RoHS compliant parts (5-146257-6, 5-146261-6) meet earlier RoHS requirements. Avoid 104351-6, which is RoHS non-compliant.

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