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SSW-127-22-G-D-RA Equivalent & Substitute Parts
Part Overview
The SSW-127-22-G-D-RA is a 54-position receptacle connector manufactured by Samtec Inc., designed for board-to-board or cable applications with through-hole, right-angle mounting. This connector features gold-plated forked contacts, 0.100" (2.54mm) pitch, and operates across -55°C to 125°C. The part maintains Active product status and is ROHS3 compliant. Substitute parts may be required due to inventory constraints, supply chain disruptions, or specific application requirements while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Samtec Inc. |
| Category | Rectangular Connectors |
| Connector Type | Receptacle |
| Number of Positions | 54 |
| Pitch - Mating | 0.100" (2.54mm) |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole, Right Angle |
| Contact Type | Forked |
| Contact Finish - Mating | Gold |
| Contact Finish Thickness - Mating | 20.0µin (0.51µm) |
| Current Rating | 4.7A per Contact |
| Operating Temperature | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the SSW-127-22-G-D-RA is determined by strict equivalence across the following critical parameters:
- Connector type (Receptacle)
- Number of positions (54)
- Pitch specification (0.100" / 2.54mm mating pitch)
- Row configuration (2 rows with 0.100" row spacing)
- Mounting style (Through hole, right angle)
- Contact finish (Gold plating)
- Operating temperature range (-55°C ~ 125°C)
- Current rating (4.7A per contact)
- Flammability rating (UL94 V-0)
- RoHS compliance (ROHS3)
The SSW-127-22-G-D-RA belongs to the Samtec SSW series. Substitute parts must maintain identical electrical performance, mechanical dimensions, and regulatory compliance to ensure direct interchangeability in circuit board designs.
Parameter Comparison
| Parameter | SSW-127-22-G-D-RA | SSW-127-02-G-D-RA |
|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. |
| Series | SSW | SSW |
| Connector Type | Receptacle | Receptacle |
| Number of Positions | 54 | 54 |
| Contact Type | Forked | Forked |
| 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, Right Angle | Through Hole, Right Angle |
| 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 | 0.195" (4.95mm) | 0.195" (4.95mm) |
| Contact Length - Post | 0.100" (2.54mm) | 0.100" (2.54mm) |
| 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-127 | SSW-127 |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.69.4040 | 8536.69.4040 |
Engineering Selection Recommendations
Both the SSW-127-22-G-D-RA and SSW-127-02-G-D-RA maintain Active product status with full ROHS3 compliance and identical electrical and mechanical specifications. Selection between these parts should be based on inventory availability and supply chain requirements. Both connectors satisfy the same application requirements for 54-position board-to-board or cable interconnections at 0.100" pitch with gold-plated forked contacts and 4.7A per contact current capacity.
Frequently Asked Questions (FAQ)
Q: Are SSW-127-22-G-D-RA and SSW-127-02-G-D-RA electrically interchangeable?
A: Yes. Both connectors share identical electrical specifications including 54 positions, 0.100" pitch, 4.7A per contact current rating, and -55°C to 125°C operating temperature range.
Q: Do these connectors have the same mechanical footprint?
A: Yes. Both parts feature identical through-hole, right-angle mounting with 2 rows at 0.100" row spacing, 0.195" insulation height, and 0.100" contact post length.
Q: Are both parts RoHS compliant?
A: Yes. Both SSW-127-22-G-D-RA and SSW-127-02-G-D-RA are ROHS3 compliant.
Q: Can I use these connectors in high-temperature applications?
A: Both connectors operate across -55°C to 125°C and are rated UL94 V-0 for flammability, supporting industrial and high-temperature environments within this range.
Q: What is the difference between these two part numbers?
A: The provided specifications indicate both parts are functionally equivalent across all documented electrical and mechanical parameters. Differences, if any, are not reflected in the available technical data.
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