Amphenol ICC 75869-203 Rectangular Connector Header — Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 75869-203 is a vertical rectangular connector header featuring 16 positions at 2.54mm pitch, designed for through-hole board-to-cable/wire applications. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The connector employs shrouded 4-wall construction with solder termination and push-pull fastening, suitable for applications requiring reliable mating cycles and keyed insertion.

Key Parameters

Parameter	Value
Manufacturer Part Number	75869-203
Manufacturer	Amphenol ICC (FCI)
Connector Type	Header
Contact Type	Male Pin
Number of Positions	16
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Shrouding	Shrouded - 4 Wall
Fastening Type	Push-Pull
Contact Finish - Mating	Tin
Contact Material	Phosphor Bronze
Insulation Material	Thermoplastic, Glass Filled
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 75869-203 are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Number of Positions: 16
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
Shrouding: Shrouded - 4 Wall
Termination: Solder
Style: Board to Cable/Wire

Group 1: Direct Amphenol ICC Substitutes The 75869-203LF represents the active production equivalent from Amphenol ICC, maintaining identical position count, pitch, shrouding, and termination specifications while offering RoHS compliance and improved contact finish specifications.

Group 2: HARTING SEK Series Substitutes The HARTING 09185165322, 09185165324, 09185166322, 09185166324, 09185167322, 09185167324, 09195166324, and 09195167324 connectors provide functional equivalence with 16 positions at 2.54mm pitch and shrouded 4-wall construction. These parts employ latch holder fastening instead of push-pull, and feature gold-plated mating contacts with copper alloy material and PBT or PCT insulation. All HARTING substitutes are RoHS3 compliant and rated for -55°C to 125°C operation.

Group 3: Alternative Geometry Substitute The Amphenol ICC 76382-307LF is a right-angle header with reduced position count (7 positions, single row) and different fastening (friction lock). This part is listed as a substitute option but represents a different form factor suitable only for applications where right-angle orientation is acceptable.

Parameter Comparison

Parameter	75869-203 (Main)	75869-203LF	09185165322	09185165324	09185166322	09185166324	09185167322	09185167324	09195166324	09195167324
Manufacturer	Amphenol ICC	Amphenol ICC	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING
Number of Positions	16	16	16	16	16	16	16	16	16	16
Number of Rows	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)
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)
Connector Type	Header	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
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Fastening Type	Push-Pull	Push-Pull	Latch Holder	Latch Holder	Latch Holder	Latch Holder	Latch Holder	Latch Holder	Latch Holder	Latch Holder
Contact Finish - Mating	Tin	Tin	Gold	Gold	Gold	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
Insulation Material	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PCT, Glass Filled	PCT, Glass Filled
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
Operating Temperature	—	—	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: Amphenol ICC 75869-203LF

The 75869-203LF is the direct active production equivalent from the original manufacturer. It maintains identical mechanical and electrical specifications including 16-position 2.54mm pitch, shrouded 4-wall construction, and push-pull fastening. The primary advantage is RoHS compliance and improved contact finish specifications (tin plating on both mating and post contacts). This part is recommended for new designs and production continuity where the original 75869-203 is no longer available.

Secondary Recommendation: HARTING SEK Series (09185165322, 09185165324, 09185166322, 09185166324, 09185167322, 09185167324, 09195166324, 09195167324)

The HARTING SEK series provides full functional equivalence with identical position count, pitch, and shrouding. These parts are RoHS3 compliant and rated for extended operating temperature range (-55°C to 125°C). The primary design differences are fastening type (latch holder instead of push-pull) and contact finish (gold-plated mating contacts). These substitutes are suitable for applications where fastening mechanism compatibility can be accommodated and where gold plating provides enhanced contact reliability.

Alternative Consideration: Amphenol ICC 76382-307LF

The 76382-307LF is a right-angle header with 7 positions and friction lock fastening. This part is listed as a substitute option but represents a fundamentally different form factor. Selection of this part is appropriate only for applications where right-angle board orientation is required and position count reduction is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the 75869-203LF be used as a direct replacement for the obsolete 75869-203?

A: Yes. The 75869-203LF maintains identical mechanical and electrical specifications including 16 positions at 2.54mm pitch, 2-row configuration, shrouded 4-wall construction, and push-pull fastening. The primary differences are RoHS compliance and improved contact finish specifications. No design modifications are required for substitution.

Q: What is the key difference between the Amphenol ICC 75869-203LF and HARTING SEK series substitutes?

A: The primary differences are fastening mechanism and contact finish. The 75869-203LF uses push-pull fastening with tin-plated contacts, while HARTING SEK series parts employ latch holder fastening with gold-plated mating contacts. Both maintain identical position count, pitch, and shrouding. Fastening mechanism compatibility with mating connectors must be verified before selection.

Q: Are HARTING SEK series parts RoHS compliant?

A: Yes. All HARTING SEK series substitutes listed (09185165322, 09185165324, 09185166322, 09185166324, 09185167322, 09185167324, 09195166324, 09195167324) are ROHS3 compliant. The original 75869-203 is RoHS non-compliant, while the 75869-203LF is RoHS compliant.

Q: What packaging options are available for these substitutes?

A: The 75869-203LF is supplied in tube packaging. HARTING SEK series parts are available in bulk, tray, or tube packaging depending on specific part number. Packaging selection should be based on production volume and handling requirements.

Q: Can the right-angle 76382-307LF be used as a substitute?

A: The 76382-307LF is mechanically and electrically incompatible due to right-angle orientation and reduced position count (7 positions versus 16). This part is suitable only for applications where right-angle board mounting is required and the reduced position count meets functional requirements.

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

A: The original 75869-203 and 75869-203LF do not specify operating temperature range. HARTING SEK series substitutes are rated for -55°C to 125°C operation, providing extended temperature capability for demanding applications.

Q: Are there differences in contact material between the main part and substitutes?

A: Yes. The 75869-203 and 75869-203LF use phosphor bronze contacts, while HARTING SEK series parts employ copper alloy contacts. Both materials are suitable for general-purpose through-hole applications. Contact material selection should be verified against specific application requirements for corrosion resistance or electrical conductivity.

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