54102-S0806LF Equivalent & Substitute Parts

Part Overview

The 54102-S0806LF is a vertical rectangular connector header manufactured by Amphenol ICC (FCI) in the BERGSTIK® series. This through-hole connector features 12 positions arranged in 2 rows with 0.100" (2.54mm) pitch, designed for board-to-board or cable applications. The part is currently active in production with 1009 units in stock. Equivalent and substitute parts are necessary to address supply chain flexibility, design revisions, or when the primary part becomes unavailable.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	12
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Current Rating	3A per Contact
Operating Temperature	-65°C ~ 125°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution validity for the 54102-S0806LF is determined by strict alignment of the following critical parameters:

Mating pitch: 0.100" (2.54mm)
Number of positions and row configuration: 12 positions in 2 rows
Row spacing: 0.100" (2.54mm)
Connector type: Header with male pins
Mounting: Through-hole solder termination
Fastening: Push-pull mechanism
Contact shape: Square
Flammability: UL94 V-0
Current rating: 3A per contact
Operating temperature range: -65°C to 125°C minimum

All substitute parts listed meet these core electrical and mechanical parameters. Variations in contact finish, insulation material, and compliance certifications are noted but do not prevent functional substitution when these core parameters align.

Parameter Comparison

Parameter	54102-S0806LF (Amphenol ICC)	0010897121 (Molex)	0010897122 (Molex)	104351-6 (TE Connectivity)	5-146256-6 (TE Connectivity)	5-146257-6 (TE Connectivity)	PBC06DAAN (Sullins)
Manufacturer Part Number	54102-S0806LF	0010897121	0010897122	104351-6	5-146256-6	5-146257-6	PBC06DAAN
Manufacturer	Amphenol ICC (FCI)	Molex	Molex	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	Sullins Connector Solutions
Series	BERGSTIK®	C-Grid 70280	C-Grid 70280	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	-
Product Status	Active	Active	Active	Obsolete	Active	Active	Active
Connector Type	Header	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
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)
Number of Positions	12	12	12	12	12	12	12
Number of Rows	2	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)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Kinked Pin, Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.230" (5.84mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.120" (3.05mm)	0.107" (2.71mm)	0.107" (2.71mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)
Overall Contact Length	0.450" (11.43mm)	0.437" (11.10mm)	0.437" (11.10mm)	0.440" (11.18mm)	0.440" (11.18mm)	0.440" (11.18mm)	0.450" (11.43mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold or Gold, GXT™	Tin	Gold	Gold	Gold	Gold	Gold
Contact Finish - Post	Tin	Tin	Tin	Tin-Lead	Tin	Tin	Tin
Contact Material	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze
Insulation Material	-	Liquid Crystal Polymer (LCP), Glass Filled	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Black	Black
Current Rating	3A per Contact	-	-	3A	3A	3A	3A
Operating Temperature	-65°C ~ 125°C	-	-	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 125°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Affected	-	Vendor Undefined	REACH Unaffected
Inventory (Pcs)	1009	1687	2758	1058	5056	4673	3884

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compliance)

The 5-146256-6 and 5-146257-6 from TE Connectivity AMP Connectors (AMPMODU Mod II series) are the preferred substitutes. Both parts are active in production, ROHS3 compliant, and maintain identical core electrical and mechanical parameters to the 54102-S0806LF. The 5-146256-6 features tin mating contact finish, while the 5-146257-6 provides gold mating contact finish with 30.0µin thickness. Both support the full -65°C to 105°C operating range and 3A current rating. Inventory availability is high for both parts (5056 and 4673 units respectively).

Secondary Substitutes (Active Status, Compliance Considerations)

The Molex 0010897121 and 0010897122 (C-Grid 70280 series) are active alternatives with ROHS3 compliance. The 0010897122 offers gold mating contact finish matching the primary part's finish specification. Both Molex parts feature slightly longer mating contact length (0.240" vs. 0.230") and reduced insulation height (0.090" vs. 0.100"), which may require board layout verification. Operating temperature data is not provided for these parts. Inventory is substantial (1687 and 2758 units).

Alternative Substitute (Obsolete Status, Compliance Limitations)

The TE Connectivity 104351-6 (AMPMODU Mod II series) is obsolete and RoHS non-compliant with REACH affected status. This part is not recommended for new designs. It features kinked pin termination and tin-lead post finish, and operates only to 105°C. Use only when legacy design compatibility is mandatory and supply is confirmed.

Specialized Substitute (Full Temperature Range)

The Sullins PBC06DAAN maintains the full -65°C to 125°C operating temperature range matching the primary part. It features phosphor bronze contact material identical to the 54102-S0806LF and ROHS3 compliance. Insulation material is PBT rather than unspecified for the primary part. This part is suitable for applications requiring extended temperature performance.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 54102-S0806LF with any of these parts without PCB redesign?

A: The core electrical and mechanical parameters are compatible across all active substitutes. However, minor dimensional variations exist. The Molex parts (0010897121, 0010897122) have reduced insulation height (0.090" vs. 0.100") and longer mating contact length (0.240" vs. 0.230"), which may affect board clearances and mating depth. The TE Connectivity and Sullins parts maintain closer dimensional alignment to the original. Board layout verification is recommended when switching manufacturers.

Q: What is the difference between the two Molex parts?

A: Both Molex C-Grid 70280 parts (0010897121 and 0010897122) are mechanically identical. The primary difference is mating contact finish: 0010897121 features tin finish, while 0010897122 features gold finish. Select based on your application's contact resistance and corrosion requirements.

Q: Why is the TE Connectivity 104351-6 marked obsolete?

A: The 104351-6 is obsolete and not recommended for new designs. It is RoHS non-compliant and REACH affected, making it unsuitable for modern regulatory requirements. Additionally, it features kinked pin termination and tin-lead post finish, which are legacy specifications. Use only for legacy system maintenance when supply is confirmed.

Q: Which substitute offers the best temperature performance?

A: The 54102-S0806LF and Sullins PBC06DAAN both support -65°C to 125°C operating range. The TE Connectivity and Molex substitutes operate to 105°C maximum. Select the Sullins part for applications requiring full extended temperature performance.

Q: Are all these parts RoHS compliant?

A: Most substitutes are ROHS3 compliant. The exception is the TE Connectivity 104351-6, which is RoHS non-compliant and obsolete. For new designs, select from the active, ROHS3-compliant alternatives: Molex 0010897121/0010897122, TE Connectivity 5-146256-6/5-146257-6, or Sullins PBC06DAAN.

Q: What is the difference between gold and tin mating contact finishes?

A: Gold finish (0010897122, 5-146256-6, 5-146257-6, PBC06DAAN) provides superior corrosion resistance and lower contact resistance, suitable for low-signal applications and harsh environments. Tin finish (0010897121) is cost-effective and suitable for general-purpose applications with adequate environmental protection. The 54102-S0806LF offers both options.

Q: Can I mix and match these connectors in the same assembly?

A: All listed parts are mechanically and electrically compatible due to identical pitch, position count, and row spacing. However, mixing different manufacturers in a single assembly may complicate supply chain management and quality control. Standardize on a single part number per design when possible.

Q: Which substitute has the highest inventory availability?

A: The TE Connectivity 5-146256-6 has the highest inventory at 5056 units, followed by 5-146257-6 at 4673 units. Both are suitable for high-volume applications requiring immediate availability.

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