Amphenol ICC 75869-318 Rectangular Connector Header – Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 75869-318 is a through-hole rectangular connector header with 40 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The connector features shrouded 4-wall construction with solder termination and push-pull fastening, designed for board-to-cable/wire interconnection in standard industrial and commercial electronics.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	40
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
Termination	Solder
Contact Finish - Mating	Gold, GXT™
Contact Material	Phosphor Bronze
Insulation Material	Thermoplastic, Glass Filled
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 75869-318 is determined by strict equivalence in the following critical parameters:

Connector Type, Contact Type, Position Count, Row Configuration: All substitutes must be headers with male pins, 40 positions in 2 rows
Pitch and Row Spacing: 0.100" (2.54mm) mating pitch and row spacing are mandatory
Mounting and Termination: Through-hole solder termination required
Shrouding Configuration: Shrouded 4-wall construction required
Contact Finish and Material: Gold mating surface with phosphor bronze or copper alloy contacts acceptable
Flammability and MSL: UL94 V-0 rating and MSL 1 required

Substitutes are grouped into two categories:

Category 1 – Direct Amphenol ICC Equivalent: Part 75869-318LF is the active production equivalent with identical electrical and mechanical specifications. The suffix "LF" indicates lead-free compliance (RoHS Compliant).

Category 2 – Cross-Manufacturer Alternatives: HARTING SEK series (09185405324, 09185406322, 09185406324, 09185407324, 09195406324) and TE Connectivity AMP-Latch series (1-1761681-3, 1761633-2, 3-1761603-3) provide functional equivalence with minor variations in contact length, insulation material, and fastening mechanism (latch holder vs. push-pull).

Parameter Comparison

Parameter	75869-318 (Main)	75869-318LF	09185405324	09185406322	09185406324	09185407324	1-1761681-3	1761633-2	3-1761603-3
Manufacturer	Amphenol ICC	Amphenol ICC	HARTING	HARTING	HARTING	HARTING	TE Connectivity	TE Connectivity	TE Connectivity
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
Positions / Rows	40 / 2	40 / 2	40 / 2	40 / 2	40 / 2	40 / 2	40 / 2	40 / 2	40 / 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)
Row Spacing	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)
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
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Contact Length - Mating	0.236" (6.00mm)	0.236" (6.00mm)	0.242" (6.15mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.120" (3.05mm)	0.120" (3.05mm)	0.114" (2.90mm)	0.177" (4.50mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.102" (2.60mm)	0.102" (2.60mm)
Insulation Height	0.377" (9.57mm)	0.377" (9.57mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)
Contact Finish - Mating	Gold, GXT™	Gold, GXT™	Gold	Gold	—	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PCT	PBT	PBT
Fastening Type	Push-Pull	Push-Pull	Latch Holder	Latch Holder	Latch Holder	Latch Holder	Push-Pull	Push-Pull	Push-Pull
Operating Temperature	—	—	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-65°C ~ 105°C	—	-65°C ~ 105°C
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
RoHS Status	Non-compliant	Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Compliant	ROHS3 Compliant	Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: Amphenol ICC 75869-318LF

The 75869-318LF is the direct active production equivalent of the obsolete 75869-318. It maintains identical electrical and mechanical specifications while providing RoHS compliance and lead-free termination. This part is the preferred choice for direct replacement in new designs and production restocking.

Secondary Recommendations: HARTING SEK Series (09185405324, 09185406322, 09185406324, 09185407324)

HARTING SEK series connectors provide functional equivalence with the following considerations:

All maintain 40-position, 2-row configuration at 0.100" pitch with shrouded 4-wall construction
Contact length variations (mating: 0.240–0.242"; post: 0.114–0.177") require PCB layout verification
Fastening mechanism differs (latch holder vs. push-pull); connector mating force and retention characteristics differ
Insulation material is PBT or PCT (glass-filled), providing equivalent flammability performance
Operating temperature range extends to -55°C ~ 125°C, exceeding the main part specification
ROHS3 compliance available across all variants

Tertiary Recommendations: TE Connectivity AMP-Latch Series (1-1761681-3, 1761633-2, 3-1761603-3)

TE Connectivity AMP-Latch series connectors provide functional equivalence with the following considerations:

All maintain 40-position, 2-row configuration at 0.100" pitch with shrouded 4-wall construction
Contact length variations (post: 0.102–0.114") require PCB layout verification
Fastening mechanism is push-pull, matching the main part
Contact material is phosphor bronze, matching the main part
Insulation material is PBT or PCT, providing equivalent flammability performance
Operating temperature range extends to -65°C ~ 105°C
RoHS compliance available; 1-1761681-3 and 3-1761603-3 provide rated current (1A per contact) and voltage (250VAC) specifications

Compliance Considerations

For applications requiring RoHS compliance, the 75869-318LF, HARTING SEK series, and TE Connectivity AMP-Latch series (1-1761681-3, 1761633-2, 3-1761603-3) are suitable. The original 75869-318 is RoHS non-compliant and should not be used in new designs subject to RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can I use 75869-318LF as a direct replacement for 75869-318?

A: Yes. The 75869-318LF is the active production equivalent with identical electrical and mechanical specifications. The primary difference is RoHS compliance and lead-free termination. It is the recommended replacement for the obsolete 75869-318.

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

A: The primary differences are fastening mechanism (push-pull vs. latch holder), contact length post dimensions (0.120" vs. 0.114–0.177"), and insulation material (thermoplastic vs. PBT/PCT). All maintain the same 40-position, 2-row configuration at 0.100" pitch. Latch holder fastening provides different mating force and retention characteristics compared to push-pull.

Q: Do contact length variations affect PCB compatibility?

A: Yes. Contact post length variations (0.102" to 0.177") directly affect PCB hole depth and solder joint formation. Verify PCB design specifications before substitution. Mating contact length variations (0.236" to 0.242") are minor and typically do not affect mating performance.

Q: Are HARTING and TE Connectivity parts electrically equivalent?

A: Yes, all substitutes maintain the same 40-position, 2-row configuration at 0.100" pitch with shrouded 4-wall construction and solder termination. Electrical performance is equivalent. Mechanical differences (fastening type, contact length, insulation material) require design verification.

Q: What packaging options are available?

A: Amphenol ICC 75869-318LF is supplied in tube packaging. HARTING SEK series is available in bulk or tray packaging. TE Connectivity AMP-Latch series is available in bulk or tube packaging. Packaging selection does not affect electrical or mechanical performance.

Q: Which substitute offers the widest operating temperature range?

A: HARTING SEK series (09185405324, 09185406322, 09185406324, 09185407324) and TE Connectivity 1-1761681-3 and 3-1761603-3 provide -55°C ~ 125°C and -65°C ~ 105°C operating ranges respectively, exceeding the main part specification. Verify application temperature requirements before selection.

Q: Are all substitutes UL94 V-0 rated?

A: Yes. All listed substitutes maintain UL94 V-0 material flammability rating, matching the main part specification.

Q: What is the difference between push-pull and latch holder fastening?

A: Push-pull fastening (75869-318, 75869-318LF, TE Connectivity series) uses a simple push-to-mate, pull-to-disconnect mechanism. Latch holder fastening (HARTING SEK series) uses mechanical latches for positive retention. Fastening type affects mating force, retention strength, and connector handling. Verify application requirements before substitution.

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