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SS-102-TT-2-N Equivalent & Substitute Parts
Part Overview
The SS-102-TT-2-N is a 2-position receptacle connector manufactured by Samtec Inc., designed for board-to-board applications with 0.100" (2.54mm) pitch spacing. This through-hole component features tin-plated beryllium copper contacts and is constructed from glass-filled polybutylene terephthalate (PBT) insulation material. The connector is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Finding equivalent or substitute parts may be necessary due to inventory constraints, supply chain considerations, or design flexibility requirements while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle |
| Contact Type | Female Socket |
| Number of Positions | 2 |
| Pitch - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Contact Finish - Mating | Tin |
| Contact Finish - Post | Tin |
| Insulation Material | Polybutylene Terephthalate (PBT), Glass Filled |
| Contact Material | Beryllium Copper |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the SS-102-TT-2-N is determined by strict equivalence across the following critical parameters:
- Connector type (Receptacle)
- Contact type (Female Socket)
- Number of positions (2)
- Pitch spacing (0.100" / 2.54mm)
- Mounting method (Through Hole)
- Termination type (Solder)
- Contact finish specifications (Tin on both mating and post surfaces)
- Insulation material (PBT, Glass Filled)
- Contact material (Beryllium Copper)
- Operating temperature range (-55°C ~ 125°C)
- Compliance certifications (ROHS3, REACH Unaffected)
Parts meeting all these criteria are classified as direct substitutes within the SS series family.
Parameter Comparison
| Parameter | SS-102-TT-2-N (Main Part) | SS-102-TT-2 (Substitute) |
|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. |
| Category | Rectangular Connectors | Rectangular Connectors |
| Series | SS | SS |
| Product Status | Active | Active |
| Connector Type | Receptacle | Receptacle |
| Contact Type | Female Socket | Female Socket |
| Number of Positions | 2 | 2 |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Mounting Type | Through Hole | Through Hole |
| Termination | Solder | Solder |
| Contact Finish - Mating | Tin | Tin |
| Contact Finish - Post | Tin | Tin |
| Insulation Material | Polybutylene Terephthalate (PBT), Glass Filled | Polybutylene Terephthalate (PBT), Glass Filled |
| Contact Material | Beryllium Copper | Beryllium Copper |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8536.69.4040 | 8536.69.4040 |
Engineering Selection Recommendations
Both the SS-102-TT-2-N and SS-102-TT-2 are active production parts from Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on:
- Inventory availability and lead time requirements
- Supply chain logistics and procurement preferences
- Design documentation and bill of materials (BOM) flexibility
Both parts maintain full ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across applications. The MSL 1 rating indicates unlimited shelf life under standard storage conditions, eliminating moisture-related constraints for either selection.
Frequently Asked Questions (FAQ)
Q: Are SS-102-TT-2-N and SS-102-TT-2 electrically interchangeable?
A: Yes. Both parts share identical electrical specifications including contact material (beryllium copper), contact finish (tin), operating temperature range (-55°C ~ 125°C), and connector configuration (2-position receptacle with 0.100" pitch).
Q: Can these parts be used interchangeably in PCB assembly?
A: Yes. Both parts feature identical through-hole solder termination, insulation material (PBT, glass filled), and mechanical dimensions. They are mechanically and functionally equivalent for board-to-board applications.
Q: What is the difference between SS-102-TT-2-N and SS-102-TT-2?
A: The parts are functionally equivalent. The designation difference reflects internal Samtec part numbering conventions but does not indicate functional, electrical, or mechanical differences.
Q: Are there any compliance or certification differences?
A: No. Both parts carry identical ROHS3 compliance, REACH unaffected status, EAR99 export classification, and HTSUS coding (8536.69.4040).
Q: What is the moisture sensitivity level for these connectors?
A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity constraints and unlimited shelf life under standard storage conditions.
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