68046-208LF Equivalent & Substitute Parts

Part Overview

The 68046-208LF is a 16-position receptacle connector manufactured by Amphenol ICC (FCI) in the Dubox™ series. This surface mount, board-to-board connector features 0.100" (2.54mm) pitch with gold-plated mating contacts and push-pull fastening. The part is active in production with RoHS compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	16
Pitch - Mating	0.100" (2.54mm)
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Surface Mount
Contact Type	Female Socket
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold or Gold, GXT™
Operating Temperature Range	-65°C ~ 125°C
Voltage Rating	1000V
Insulation Material	Polyphenylene Sulfide (PPS), Glass Filled
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

The SSM-108-L-DV-BE from Samtec Inc. qualifies as a substitute based on the following matched parameters:

16-position receptacle connector configuration
0.100" (2.54mm) mating pitch
2-row layout with 0.100" (2.54mm) row spacing
Surface mount solder termination
Female socket contact type
Push-pull fastening mechanism
Square contact geometry with phosphor bronze material
Gold-plated mating contacts
Tin-plated post contacts
Black insulation color
Operating temperature range overlap (-55°C ~ 125°C vs. -65°C ~ 125°C)
RoHS compliance (ROHS3 Compliant)
MSL 1 rating (Unlimited)

The SSM-108-L-DV-BE is classified as a bottom-entry variant within the Tiger Claw™ SSM series, offering functional equivalence for board-to-board applications.

Parameter Comparison

Parameter	68046-208LF (Amphenol ICC)	SSM-108-L-DV-BE (Samtec Inc.)
Connector Type	Receptacle	Receptacle, Bottom Entry
Number of Positions	16	16
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Surface Mount	Surface Mount
Contact Type	Female Socket	Female Socket
Termination	Solder	Solder
Fastening Type	Push-Pull	Push-Pull
Contact Finish - Mating	Gold or Gold, GXT™	Gold
Contact Finish Thickness - Mating	15.0µin (0.38µm)	10.0µin (0.25µm)
Insulation Color	Black	Black
Operating Temperature Range	-65°C ~ 125°C	-55°C ~ 125°C
Voltage Rating	1000V	405VAC, 572VDC
Insulation Material	Polyphenylene Sulfide (PPS), Glass Filled	Liquid Crystal Polymer (LCP)
Contact Material	Phosphor Bronze	Phosphor Bronze
Contact Finish - Post	Tin	Tin
RoHS Status	RoHS Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Current Rating	Not specified	5.2A per Contact

Engineering Selection Recommendations

Both the 68046-208LF and SSM-108-L-DV-BE are active production parts with current inventory availability. Selection between these parts is based on application-specific requirements:

The 68046-208LF provides a wider operating temperature range (-65°C to 125°C) and higher voltage rating (1000V), making it suitable for automotive, industrial, and telecommunications applications requiring extended thermal performance.

The SSM-108-L-DV-BE offers specified current rating (5.2A per contact) and bottom-entry configuration, with voltage rating of 405VAC or 572VDC. This part is suitable for applications where bottom-entry access and defined current specifications are required.

Both parts maintain RoHS compliance and MSL 1 rating. The primary mechanical difference is the bottom-entry design of the SSM-108-L-DV-BE versus the standard board-to-board configuration of the 68046-208LF. Insulation material differs (PPS glass-filled versus LCP), which may affect mechanical and thermal properties in specific environments.

Frequently Asked Questions (FAQ)

Q: Can the SSM-108-L-DV-BE directly replace the 68046-208LF in existing designs?

A: Mechanical and electrical compatibility exists for the core 16-position, 0.100" pitch receptacle function. However, the bottom-entry design of the SSM-108-L-DV-BE may require PCB layout modification. Verify that the lower operating temperature minimum (-55°C vs. -65°C) and reduced voltage rating (405VAC/572VDC vs. 1000V) meet application requirements.

Q: What is the difference between the contact finish thicknesses?

A: The 68046-208LF specifies 15.0µin (0.38µm) gold plating on mating contacts, while the SSM-108-L-DV-BE specifies 10.0µin (0.25µm). Both thicknesses provide corrosion resistance and electrical conductivity for standard applications. Higher thickness may provide extended contact life in high-cycle mating environments.

Q: Are both parts suitable for automotive applications?

A: The 68046-208LF is explicitly listed for automotive applications. The SSM-108-L-DV-BE does not specify automotive applications in the provided data. Verify application requirements and any automotive qualification standards before substitution.

Q: What is the significance of the bottom-entry design in the SSM-108-L-DV-BE?

A: Bottom-entry configuration allows connector insertion from the board edge rather than perpendicular approach. This design is beneficial for space-constrained applications or cable routing scenarios. PCB footprint and mating approach differ from standard board-to-board connectors.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes, both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

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