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SSQ-150-21-G-S Equivalent & Substitute Parts
Part Overview
The SSQ-150-21-G-S is a 50-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 682 units in stock. Alternative models within the SSQ series may be required due to inventory constraints, application-specific requirements, or supply chain considerations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SSQ-150-21-G-S |
| Manufacturer | Samtec Inc. |
| Category | Rectangular Connectors |
| Series | SSQ |
| Connector Type | Receptacle |
| Number of Positions | 50 |
| Pitch - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Contact Finish - Mating | Gold |
| Voltage Rating | 465VAC, 655VDC |
| Operating Temperature | -55°C ~ 125°C |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the SSQ-150-21-G-S is determined by the following critical parameters:
- Connector Type & Position Count: Must be receptacle configuration with 50 positions
- Pitch Specification: Must maintain 0.100" (2.54mm) mating pitch
- Contact Finish: Must feature gold-plated mating contacts
- Mounting Configuration: Must support through-hole solder termination
- Electrical Ratings: Must meet or exceed 465VAC / 655VDC voltage specifications
- Temperature Range: Must support -55°C to 125°C operating range
- Compliance: Must maintain ROHS3 compliance and UL94 V-0 flammability rating
The SSQ-150-01-G-S qualifies as a direct substitute based on identical specifications across all critical parameters within the SSQ series.
Parameter Comparison
| Parameter | SSQ-150-21-G-S | SSQ-150-01-G-S |
|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. |
| Series | SSQ | SSQ |
| Connector Type | Receptacle | Receptacle |
| Contact Type | Forked | Forked |
| Number of Positions | 50 | 50 |
| Pitch - 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 | 0.104" (2.64mm) | 0.104" (2.64mm) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Voltage Rating | 465VAC, 655VDC | 465VAC, 655VDC |
| Insulation Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Contact Material | Phosphor Bronze | Phosphor Bronze |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both SSQ-150-21-G-S and SSQ-150-01-G-S are active production parts with full ROHS3 compliance and UL94 V-0 flammability certification. Selection between these parts should be based on:
- Inventory Availability: SSQ-150-01-G-S maintains higher stock levels (1017 units) compared to SSQ-150-21-G-S (682 units)
- Supply Chain Requirements: Both parts share identical electrical, mechanical, and thermal specifications
- Application Compatibility: No functional differences exist between the two part numbers within the SSQ-150 base product family
Frequently Asked Questions (FAQ)
Q: Can SSQ-150-01-G-S be used as a direct replacement for SSQ-150-21-G-S?
A: Yes. Both parts are 50-position receptacle connectors with identical mating pitch (0.100"), contact finish (gold), voltage rating (465VAC / 655VDC), operating temperature range (-55°C to 125°C), and compliance certifications (ROHS3, UL94 V-0). No design modifications are required.
Q: What is the difference between SSQ-150-21-G-S and SSQ-150-01-G-S?
A: The parts are functionally equivalent. The difference in part number suffix (-21-G-S versus -01-G-S) reflects internal Samtec manufacturing or distribution variants within the SSQ-150 base product line. All electrical and mechanical parameters are identical.
Q: Are there any PCB layout considerations when substituting these connectors?
A: No. Both connectors share identical through-hole mounting specifications, insulation height (0.335"), and contact post dimensions (0.104"). PCB footprints and assembly procedures remain unchanged.
Q: Do both parts meet the same compliance standards?
A: Yes. Both SSQ-150-21-G-S and SSQ-150-01-G-S are ROHS3 compliant and carry UL94 V-0 flammability certification. ECCN and HTSUS classifications are identical.
Q: Which part should be selected for new designs?
A: Either part is suitable for new designs. Selection may be influenced by current inventory levels, supplier availability, or existing supply agreements. Both parts maintain active production status.
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