SSW-138-21-G-S Equivalent & Substitute Parts

Part Overview

The SSW-138-21-G-S is a 38-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 1101 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same connector series, enabling direct replacement in applications where the original part number becomes unavailable or inventory constraints require alternative sourcing.

Substiute Parts

SSW-138-21-G-S

Samtec Inc.In Stock: 1124SSW-138-21-G-S Datasheet

Current PartRFQ

SSW-138-01-G-S

Samtec Inc.In Stock: 1097SSW-138-01-G-S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SSW-138-21-G-S is determined by strict equivalence across the following critical parameters:

• Number of positions: 38
• Pitch specification: 0.100" (2.54mm)
• Connector type: Receptacle
• Contact type: Forked
• Mounting method: Through hole
• Termination method: Solder
• Fastening mechanism: Push-pull
• Contact finish: Gold plating
• Operating temperature range: -55°C ~ 125°C
• Insulation material: Liquid Crystal Polymer (LCP)
• Flammability rating: UL94 V-0
• RoHS compliance: ROHS3 Compliant

The substitute part SSW-138-01-G-S maintains identical specifications across all these parameters, confirming direct substitutability within the SSW series.

Parameter Comparison

Engineering Selection Recommendations

Both the SSW-138-21-G-S and SSW-138-01-G-S are active production parts from Samtec Inc. with full ROHS3 compliance and UL94 V-0 flammability certification. The parts are electrically and mechanically identical across all specified parameters. Selection between these part numbers should be based on inventory availability and procurement lead times. Both parts are suitable for applications requiring 38-position receptacle connectors with 0.100" pitch, gold-plated forked contacts, and solder termination in the -55°C to 125°C operating range.

Frequently Asked Questions (FAQ)

Q: Can SSW-138-01-G-S be used as a direct replacement for SSW-138-21-G-S?

A: Yes. Both parts are identical in electrical and mechanical specifications, including connector type, position count, pitch, contact configuration, termination method, and operating parameters. Direct substitution is supported.

Q: What determines substitutability for SSW series rectangular connectors?

A: Substitutability is determined by equivalence in position count, mating pitch, connector type (receptacle), contact type (forked), mounting method (through hole), termination (solder), fastening mechanism (push-pull), contact finish (gold), operating temperature range, insulation material (LCP), and flammability rating (UL94 V-0).

Q: Are there differences in packaging or inventory between these parts?

A: Both parts are supplied in bulk packaging. The SSW-138-21-G-S has 1101 units in stock, while the SSW-138-01-G-S has 1037 units in stock. Packaging format is identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant and carry UL94 V-0 flammability certification. Both are classified as EAR99 for export control purposes.

Q: What is the current rating for these connectors?

A: Both connectors are rated for 4.7A per contact, supporting applications requiring this current capacity across all 38 positions.