Amphenol ICC 54102-S0809LF Rectangular Connector: Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 54102-S0809LF is an 18-position, 2-row vertical header connector with 0.100" (2.54mm) pitch, designed for through-hole board-to-board or cable applications. This BERGSTIK® series connector features male pins with gold-plated mating contacts and tin-plated posts, rated for 3A per contact across an operating temperature range of -65°C to 125°C. The component is RoHS Compliant and carries UL94 V-0 flammability certification. Substitute parts are necessary to address supply chain availability, packaging preferences, or specific application requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	18
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Finish - Mating	Gold
Contact Finish - Post	Tin
Current Rating	3A per Contact
Operating Temperature	-65°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 54102-S0809LF is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

18 positions, 2-row configuration
0.100" (2.54mm) mating pitch and row spacing
Male pin contact type
Through-hole solder termination
Gold mating contact finish
Tin post finish
3A current rating capability
UL94 V-0 flammability rating
RoHS compliance status

Secondary Compatibility Factors:

Operating temperature range (minimum -55°C acceptable; maximum 105°C or higher acceptable)
Contact material (Phosphor Bronze or Copper Alloy acceptable)
Insulation material (LCP or standard polymer acceptable)
Overall contact length variation within 0.020" tolerance
Insulation height variation within 0.010" tolerance

All three substitute parts meet these criteria and are classified as direct functional equivalents.

Parameter Comparison

Parameter	54102-S0809LF (Amphenol ICC)	5-146256-9 (TE Connectivity)	HTSW-109-07-S-D (Samtec)	TSW-109-07-F-D (Samtec)
Manufacturer	Amphenol ICC (FCI)	TE Connectivity AMP Connectors	Samtec Inc.	Samtec Inc.
Series	BERGSTIK®	AMPMODU Mod II	HTSW	TSW
Number of Positions	18	18	18	18
Number of Rows	2	2	2	2
Pitch - Mating	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)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.120" (3.05mm)	0.120" (3.05mm)	0.100" (2.54mm)	0.100" (2.54mm)
Overall Contact Length	0.450" (11.43mm)	0.440" (11.18mm)	0.430" (10.92mm)	0.430" (10.92mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square
Contact Finish - Mating	Gold or Gold, GXT™	Gold	Gold	Gold
Contact Finish Thickness - Mating	15.0µin (0.38µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	3.00µin (0.076µm)
Contact Finish - Post	Tin	Tin	Tin	Tin
Contact Material	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Phosphor Bronze
Insulation Material	Not specified	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)
Operating Temperature	-65°C ~ 125°C	-65°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	3A per Contact	3A	Varies by Wire Gauge	Not specified
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable
Packaging	Bag	Bulk	Bag	Bag
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All three substitute parts are active products with current manufacturing status and full RoHS compliance certification. Selection among these equivalents should be based on the following factors:

TE Connectivity 5-146256-9: This part offers the closest electrical specification match to the 54102-S0809LF, with identical contact length specifications and current rating. The TE Connectivity part features LCP insulation material and is available in bulk packaging. The operating temperature maximum of 105°C is lower than the original part; applications requiring operation above 105°C should not use this substitute.

Samtec HTSW-109-07-S-D: This part maintains the full operating temperature range of -55°C to 125°C and features Phosphor Bronze contact material identical to the original. LCP insulation material provides enhanced dimensional stability. The contact post length is 0.020" shorter than the original specification. This part carries ROHS3 compliance and has unlimited moisture sensitivity rating.

Samtec TSW-109-07-F-D: This part also maintains the -55°C to 125°C operating temperature range with Phosphor Bronze contacts. PBT insulation material is specified instead of LCP. The contact post length is 0.020" shorter than the original. This part carries ROHS3 compliance and has unlimited moisture sensitivity rating. Contact finish thickness on mating surfaces is significantly lower at 3.00µin compared to the original 15.0µin specification.

All parts are certified to UL94 V-0 flammability standards and maintain the critical 18-position, 2-row, 0.100" pitch configuration required for mechanical and electrical compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use these substitute parts interchangeably with the 54102-S0809LF in my application?

A: Yes, all three substitute parts are direct functional equivalents for the 54102-S0809LF based on matching pitch, position count, contact type, and electrical ratings. However, verify that your specific application does not exceed the operating temperature maximum of the selected substitute. The TE Connectivity 5-146256-9 has a maximum operating temperature of 105°C, while both Samtec parts support 125°C.

Q: What is the significance of the contact post length differences?

A: The original 54102-S0809LF has a contact post length of 0.120" (3.05mm), while the Samtec HTSW-109-07-S-D and TSW-109-07-F-D both have 0.100" (2.54mm) post lengths. This 0.020" difference affects solder joint formation and PCB hole engagement. Verify that your PCB design accommodates the shorter post length before substitution.

Q: Does packaging format affect electrical performance?

A: No. The 54102-S0809LF is supplied in bag packaging, the 5-146256-9 in bulk, and the Samtec parts in bag packaging. Packaging format does not affect electrical or mechanical performance; it only impacts handling, storage, and inventory management.

Q: Are all substitute parts RoHS compliant?

A: Yes. The 54102-S0809LF is RoHS Compliant, the 5-146256-9 is RoHS Compliant, and both Samtec parts are ROHS3 Compliant. All parts meet RoHS requirements for restricted substance elimination.

Q: What is the difference between the contact finish thicknesses specified for the Samtec TSW-109-07-F-D?

A: The TSW-109-07-F-D specifies a mating contact finish thickness of 3.00µin (0.076µm), which is significantly lower than the original part's 15.0µin (0.38µm) and the other substitutes. This thinner gold plating may affect contact durability and wear resistance in high-cycle mating applications. Evaluate your application's mating cycle requirements before selecting this part.

Q: Can I use the TE Connectivity 5-146256-9 in applications requiring operation above 105°C?

A: No. The TE Connectivity 5-146256-9 has a maximum operating temperature of 105°C, while the original 54102-S0809LF and both Samtec substitutes support 125°C. For applications requiring operation above 105°C, use either the original part or one of the Samtec alternatives.

Q: What insulation materials are used in these connectors?

A: The original 54102-S0809LF does not specify insulation material. The TE Connectivity 5-146256-9 uses Liquid Crystal Polymer (LCP), the Samtec HTSW-109-07-S-D uses LCP, and the Samtec TSW-109-07-F-D uses Polybutylene Terephthalate (PBT). LCP provides superior dimensional stability and temperature performance compared to PBT.

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