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STMM-107-02-SM-D-SM Equivalent & Substitute Parts
Part Overview
The STMM-107-02-SM-D-SM is a surface mount rectangular connector header manufactured by Samtec Inc. within the Flex Stack STMM series. This 14-position, 2-row connector operates at 3A current rating and features gold-plated mating contacts with push-pull fastening. The part is actively produced and ROHS3 compliant, making it suitable for applications requiring board-to-cable/wire interconnection with shrouded 4-wall design. Substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Samtec Inc. |
| Series | Flex Stack, STMM |
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 14 |
| Number of Rows | 2 |
| Pitch - Mating | 0.079" (2.00mm) |
| Row Spacing - Mating | 0.079" (2.00mm) |
| Mounting Type | Surface Mount |
| Shrouding | Shrouded - 4 Wall |
| Fastening Type | Push-Pull |
| Current Rating | 3A |
| Operating Temperature | -55°C ~ 125°C |
| Contact Finish - Mating | Gold |
| Insulation Material | Liquid Crystal Polymer (LCP) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the STMM-107-02-SM-D-SM is determined by strict equivalence across the following critical parameters:
- Connector type (Header)
- Contact type (Male Pin)
- Number of positions (14) and row configuration (2 rows)
- Pitch and row spacing (0.079" / 2.00mm)
- Mounting type (Surface Mount)
- Shrouding design (Shrouded - 4 Wall)
- Fastening mechanism (Push-Pull)
- Current rating (3A)
- Operating temperature range (-55°C ~ 125°C)
- Contact finish specifications (Gold mating, Tin post)
- Insulation material (Liquid Crystal Polymer)
- Compliance certifications (ROHS3, MSL 1)
The identified substitute STMM-107-02-S-D-SM maintains full equivalence across all these parameters, differing only in internal design designation while preserving functional and mechanical compatibility.
Parameter Comparison
| Parameter | STMM-107-02-SM-D-SM | STMM-107-02-S-D-SM |
|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. |
| Series | Flex Stack, STMM | Flex Stack, STMM |
| Connector Type | Header | Header |
| Contact Type | Male Pin | Male Pin |
| Number of Positions | 14 | 14 |
| Number of Rows | 2 | 2 |
| Pitch - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Row Spacing - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Shrouding | Shrouded - 4 Wall | Shrouded - 4 Wall |
| Fastening Type | Push-Pull | Push-Pull |
| Current Rating | 3A | 3A |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Contact Finish - Mating | Gold | Gold |
| Contact Finish Thickness - Mating | 30.0µin (0.76µm) | 30.0µin (0.76µm) |
| Contact Finish - Post | Tin | Tin |
| Contact Material | Phosphor Bronze | Phosphor Bronze |
| Insulation Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Insulation Height | 0.190" (4.83mm) | 0.190" (4.83mm) |
| Contact Shape | Square | Square |
| Features | Keying Slot | Keying Slot |
| Insulation Color | Black | Black |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.69.4040 | 8536.69.4040 |
Engineering Selection Recommendations
Both STMM-107-02-SM-D-SM and STMM-107-02-S-D-SM are active production parts from Samtec Inc. with identical ROHS3 compliance and MSL 1 certification. Selection between these parts is based on inventory availability and procurement lead time rather than technical differentiation. Both parts meet the same regulatory requirements (EAR99 export classification, HTSUS commodity code 8536.69.4040) and are suitable for equivalent applications. Current inventory shows 757 units of STMM-107-02-SM-D-SM and 635 units of STMM-107-02-S-D-SM available.
Frequently Asked Questions (FAQ)
Q: Are STMM-107-02-SM-D-SM and STMM-107-02-S-D-SM mechanically interchangeable?
A: Yes. Both parts share identical mechanical dimensions, pitch spacing (2.00mm), row configuration (2 rows, 14 positions), and shrouding design. They are direct mechanical substitutes.
Q: Do these parts have the same electrical specifications?
A: Yes. Both parts carry identical current rating (3A), operating temperature range (-55°C ~ 125°C), contact finish specifications (gold mating, tin post), and contact material (phosphor bronze).
Q: What is the difference between STMM-107-02-SM-D-SM and STMM-107-02-S-D-SM?
A: The parts differ only in internal design designation. All functional, mechanical, and electrical parameters are equivalent.
Q: Are both parts RoHS compliant?
A: Yes. Both STMM-107-02-SM-D-SM and STMM-107-02-S-D-SM are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level).
Q: Can I use these connectors in high-temperature applications?
A: Yes. Both parts operate across the temperature range -55°C ~ 125°C, suitable for industrial and automotive applications within this specification.
Q: What is the keying slot feature?
A: The keying slot is a mechanical feature that prevents incorrect mating orientation, ensuring proper connector alignment during assembly.
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