SSW-121-22-G-D Equivalent & Substitute Parts

Part Overview

The SSW-121-22-G-D is a 42-position receptacle connector manufactured by Samtec Inc., designed for board-to-board or cable applications with 0.100" (2.54mm) pitch spacing. This connector features through-hole solder termination, gold-plated forked contacts, and operates across -55°C to 125°C. The part is currently active in production with 921 units in stock. Substitute parts are identified when design requirements necessitate alternative sourcing, inventory constraints, or equivalent performance specifications across the SSW series.

Substiute Parts

SSW-121-22-G-D
Samtec Inc.In Stock: 1029SSW-121-22-G-D Datasheet
SSW-121-22-G-D
Current Part
SSW-121-02-G-D
Samtec Inc.In Stock: 1100SSW-121-02-G-D Datasheet
SSW-121-02-G-D
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Key Parameters

Parameter Value
Manufacturer Part Number SSW-121-22-G-D
Manufacturer Samtec Inc.
Category Rectangular Connectors
Connector Type Receptacle
Number of Positions 42
Pitch - Mating 0.100" (2.54mm)
Number of Rows 2
Row Spacing - Mating 0.100" (2.54mm)
Mounting Type Through Hole
Termination Solder
Contact Finish - Mating Gold
Current Rating 4.7A per Contact
Operating Temperature -55°C ~ 125°C
Material Flammability Rating UL94 V-0
RoHS Status ROHS3 Compliant
Product Status Active

Substitute Part Grouping Explanation

Substitution eligibility for the SSW-121-22-G-D is determined by strict equivalence across the following critical parameters:

  • Connector Type: Receptacle
  • Number of Positions: 42
  • Pitch - Mating: 0.100" (2.54mm)
  • Number of Rows: 2
  • Row Spacing - Mating: 0.100" (2.54mm)
  • Mounting Type: Through Hole
  • Termination: Solder
  • Contact Finish - Mating: Gold
  • Current Rating: 4.7A per Contact
  • Operating Temperature: -55°C ~ 125°C
  • Material Flammability Rating: UL94 V-0
  • RoHS Status: ROHS3 Compliant

The identified substitute part SSW-121-02-G-D maintains identical electrical and mechanical specifications across all critical parameters, differing only in internal designation within the SSW-121 base product family.

Parameter Comparison

Parameter SSW-121-22-G-D SSW-121-02-G-D
Manufacturer Part Number SSW-121-22-G-D SSW-121-02-G-D
Manufacturer Samtec Inc. Samtec Inc.
Category Rectangular Connectors Rectangular Connectors
Connector Type Receptacle Receptacle
Contact Type Forked Forked
Number of Positions 42 42
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 Through Hole Through Hole
Termination Solder Solder
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 0.194" (4.93mm) 0.194" (4.93mm)
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Material Flammability Rating UL94 V-0 UL94 V-0
Contact Finish - Post Gold Gold
Current Rating (Amps) 4.7A per Contact 4.7A per Contact
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 SSW-121 SSW-121
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Active Active
ECCN EAR99 EAR99
HTSUS 8536.69.4040 8536.69.4040

Engineering Selection Recommendations

Both SSW-121-22-G-D and SSW-121-02-G-D are active production parts from Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts is based on availability and supply chain requirements rather than functional differences. Both parts maintain ROHS3 compliance and UL94 V-0 flammability certification. The SSW-121-02-G-D currently has higher inventory availability at 1062 units compared to 921 units for the SSW-121-22-G-D, making it suitable for high-volume applications where supply continuity is a consideration.

Frequently Asked Questions (FAQ)

Q: Are SSW-121-22-G-D and SSW-121-02-G-D electrically interchangeable?

A: Yes. Both parts are 42-position receptacle connectors with identical electrical ratings of 4.7A per contact, operating temperature range of -55°C to 125°C, and gold-plated contact finishes. They are functionally equivalent for all electrical applications.

Q: Do these connectors have the same physical dimensions and mounting footprint?

A: Yes. Both connectors share identical mechanical specifications including 0.100" (2.54mm) pitch, 2-row configuration with 0.100" row spacing, through-hole mounting, and 0.335" (8.51mm) insulation height. PCB layout and mounting hole patterns are identical.

Q: What is the difference between SSW-121-22-G-D and SSW-121-02-G-D?

A: The difference is limited to the internal designation within the SSW-121 base product family. All electrical, mechanical, and compliance specifications are identical. The designation change does not affect form, fit, or function.

Q: Are both parts RoHS compliant?

A: Yes. Both SSW-121-22-G-D and SSW-121-02-G-D are ROHS3 compliant and carry UL94 V-0 flammability certification.

Q: Can I use these connectors in high-temperature applications?

A: Yes. Both connectors are rated for continuous operation from -55°C to 125°C, suitable for industrial and automotive applications within this temperature range.

Q: What contact material is used in these connectors?

A: Both connectors use phosphor bronze contacts with gold plating. Mating contact finish is 20.0µin (0.51µm) thickness, and post contact finish is 3.00µin (0.076µm) thickness.

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