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SSW-122-21-S-S Equivalent & Substitute Parts
Part Overview
The SSW-122-21-S-S is a 22-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 mating contacts, tin-plated posts, and is rated for 4.7A per contact with an operating temperature range of -55°C to 125°C. The part is currently active in production with 757 units in stock. Equivalent and substitute parts are identified based on matching electrical and mechanical specifications within the SSW series.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle |
| Number of Positions | 22 |
| Pitch - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Contact Type | Forked |
| Contact Finish - Mating | Gold (30.0µin / 0.76µm) |
| Contact Finish - Post | Tin |
| Current Rating | 4.7A per Contact |
| Operating Temperature | -55°C ~ 125°C |
| Insulation Material | Liquid Crystal Polymer (LCP) |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the SSW-122-21-S-S are identified within the SSW series based on matching the following critical parameters: 22-position configuration, 0.100" (2.54mm) mating pitch, receptacle connector type, forked contact design, through-hole mounting, gold mating contact finish, tin post finish, 4.7A per contact current rating, -55°C to 125°C operating temperature range, LCP insulation material, and UL94 V-0 flammability rating. All substitute parts maintain identical electrical and mechanical specifications, differing only in fastening mechanism designation within the part number suffix.
Parameter Comparison
| Parameter | SSW-122-21-S-S | SSW-122-01-S-S | SSW-122-01-SM-S |
|---|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. | Samtec Inc. |
| Connector Type | Receptacle | Receptacle | Receptacle |
| Number of Positions | 22 | 22 | 22 |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Contact Type | Forked | Forked | Forked |
| Contact Finish - Mating | Gold (30.0µin) | Gold (30.0µin) | Gold (30.0µin) |
| Contact Finish - Post | Tin | Tin | Tin |
| Current Rating | 4.7A per Contact | 4.7A per Contact | 4.7A per Contact |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Insulation Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active |
| Inventory | 757 Pcs | 755 Pcs | 766 Pcs |
Engineering Selection Recommendations
All three parts—SSW-122-21-S-S, SSW-122-01-S-S, and SSW-122-01-SM-S—are active products manufactured by Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on application requirements and availability. All parts are ROHS3 compliant and meet UL94 V-0 flammability standards. Inventory levels are comparable across all three variants, with SSW-122-01-SM-S showing the highest stock at 766 units. Part number suffixes reflect fastening mechanism variations; selection should align with specific board design and assembly requirements.
Frequently Asked Questions (FAQ)
Q: Can SSW-122-01-S-S be used as a direct replacement for SSW-122-21-S-S? A: Yes. Both parts share identical electrical and mechanical specifications including 22-position configuration, 0.100" (2.54mm) pitch, gold mating contacts, tin post finish, 4.7A per contact rating, and -55°C to 125°C operating temperature range.
Q: What is the difference between SSW-122-21-S-S and SSW-122-01-SM-S? A: The parts are electrically and mechanically equivalent. Differences are limited to fastening mechanism designation within the part number suffix. All other specifications, including contact configuration, pitch, current rating, and temperature range, are identical.
Q: Are all three parts RoHS compliant? A: Yes. SSW-122-21-S-S, SSW-122-01-S-S, and SSW-122-01-SM-S are all ROHS3 compliant.
Q: What is the current rating per contact for these connectors? A: All three parts are rated for 4.7A per contact.
Q: Do these connectors support the same operating temperature range? A: Yes. All three parts operate across -55°C to 125°C.
Q: Are these parts suitable for through-hole PCB mounting? A: Yes. All three parts feature through-hole mounting with solder termination.
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