SSQ-115-23-G-S Equivalent & Substitute Parts

Part Overview

The SSQ-115-23-G-S is a 15-position receptacle connector manufactured by Samtec Inc., designed for board-to-board or cable applications with 0.100" (2.54mm) pitch through-hole mounting. This connector features gold-plated forked contacts, solder termination, and push-pull fastening. The part is currently active in production with 646 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	SSQ-115-23-G-S
Manufacturer	Samtec Inc.
Series	SSQ
Connector Type	Receptacle
Number of Positions	15
Pitch - Mating	0.100" (2.54mm)
Contact Type	Forked
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Voltage Rating	465VAC, 655VDC
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

The SSQ-115-03-G-S qualifies as a direct substitute for the SSQ-115-23-G-S based on identical electrical and mechanical parameters. Substitution eligibility is determined by the following critical parameters:

Connector Type & Series: Both parts are Samtec SSQ series receptacles
Position Count & Pitch: Both feature 15 positions at 0.100" (2.54mm) mating pitch
Contact Configuration: Both use forked contacts with gold plating (20.0µin mating finish)
Mounting & Termination: Both are through-hole solder-terminated with push-pull fastening
Electrical Ratings: Both support 465VAC / 655VDC voltage specifications
Temperature Range: Both operate across -55°C to 125°C
Compliance: Both are ROHS3 compliant with UL94 V-0 flammability rating
Insulation Material: Both use Liquid Crystal Polymer (LCP) insulation

The SSQ-115-03-G-S maintains identical form factor, contact geometry, and functional performance characteristics, making it a direct functional equivalent.

Parameter Comparison

Parameter	SSQ-115-23-G-S	SSQ-115-03-G-S
Manufacturer	Samtec Inc.	Samtec Inc.
Series	SSQ	SSQ
Connector Type	Receptacle	Receptacle
Number of Positions	15	15
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Contact Type	Forked	Forked
Mounting Type	Through Hole	Through Hole
Termination	Solder	Solder
Fastening Type	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	20.0µin (0.51µm)	20.0µin (0.51µm)
Insulation Color	Black	Black
Insulation Height	0.335" (8.51mm)	0.335" (8.51mm)
Contact Length - Post	0.394" (10.00mm)	0.394" (10.00mm)
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Contact Finish - Post	Gold	Gold
Insulation Material	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Contact Shape	Square	Square
Contact Material	Phosphor Bronze	Phosphor Bronze
Contact Finish Thickness - Post	3.00µin (0.076µm)	3.00µin (0.076µm)
Base Product Number	SSQ-115	SSQ-115
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040
Product Status	Active	Active
Current Inventory	646 Pcs	685 Pcs

Engineering Selection Recommendations

Both the SSQ-115-23-G-S and SSQ-115-03-G-S are active production parts from Samtec Inc. with identical electrical, mechanical, and compliance specifications. Selection between these parts should be based on:

Inventory Availability: The SSQ-115-03-G-S currently has 685 units in stock compared to 646 units for the SSQ-115-23-G-S, providing marginally higher availability.
Compliance Status: Both parts meet ROHS3 compliance and UL94 V-0 flammability requirements, suitable for regulated applications.
Functional Equivalence: No performance differentiation exists between the two part numbers within the specified electrical and thermal operating ranges.
Supply Chain Continuity: Either part may be selected for new designs or as a replacement in existing applications without design modification.

Frequently Asked Questions (FAQ)

Q: Can SSQ-115-03-G-S be used as a direct replacement for SSQ-115-23-G-S in existing designs?

A: Yes. Both parts are functionally identical across all specified electrical, mechanical, and environmental parameters. No PCB layout, schematic, or assembly modifications are required for substitution.

Q: Are there any differences in contact resistance or signal integrity between these parts?

A: No differences are specified in the provided technical data. Both parts feature identical contact materials (phosphor bronze), contact finishes (gold plating at 20.0µin mating thickness), and contact geometry (square forked contacts).

Q: Do both parts support the same voltage and temperature ratings?

A: Yes. Both parts are rated for 465VAC / 655VDC and operate across the -55°C to 125°C temperature range.

Q: Are there any RoHS or environmental compliance differences?

A: No. Both parts are ROHS3 compliant and carry identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications.

Q: What is the difference between the part numbers SSQ-115-23-G-S and SSQ-115-03-G-S?

A: The part numbers differ in the middle digit sequence (23 vs. 03), but this variation does not correspond to any difference in the electrical, mechanical, or performance specifications provided. Both parts share the same base product number (SSQ-115) and are manufactured to identical specifications.

Q: Can these connectors be used in high-temperature applications?

A: Yes. Both parts are rated for continuous operation up to 125°C and are suitable for applications requiring extended temperature ranges from -55°C to 125°C.

Q: Are these connectors suitable for applications requiring UL certification?

A: Yes. Both parts meet UL94 V-0 flammability requirements, supporting applications with UL certification requirements.

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