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MMS-112-02-L-DV-M-TR Equivalent & Substitute Parts
Part Overview
The MMS-112-02-L-DV-M-TR is a 24-position receptacle connector manufactured by Samtec Inc., designed for surface mount board-to-board or cable applications. This connector features a 0.079" (2.00mm) pitch with gold-plated mating contacts and tin-plated posts, operating across -55°C to 125°C. The part maintains Active product status with full RoHS3 compliance and MSL 1 rating. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, ensuring functional interchangeability in the target application.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle |
| Number of Positions | 24 |
| Pitch - Mating | 0.079" (2.00mm) |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.079" (2.00mm) |
| Mounting Type | Surface Mount |
| Contact Finish - Mating | Gold |
| Current Rating | 3.9A per Contact |
| Operating Temperature | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MMS-112-02-L-DV-M-TR is determined by strict alignment of the following parameters:
- Connector type (Receptacle)
- Position count (24 positions)
- Mating pitch (0.079" / 2.00mm)
- Row configuration (2 rows with 0.079" spacing)
- Mounting method (Surface Mount)
- Contact finish specification (Gold mating surface)
- Current rating (3.9A per contact minimum)
- Operating temperature range (-55°C ~ 125°C)
- Compliance certifications (RoHS3, MSL 1)
The substitute part MMS-112-02-L-DV-K-TR meets all these criteria, differing only in post termination finish designation while maintaining identical mating interface characteristics and electrical performance.
Parameter Comparison
| Parameter | MMS-112-02-L-DV-M-TR | MMS-112-02-L-DV-K-TR | Match |
|---|---|---|---|
| Manufacturer | Samtec Inc. | Samtec Inc. | Yes |
| Series | MMS | MMS | Yes |
| Connector Type | Receptacle | Receptacle | Yes |
| Number of Positions | 24 | 24 | Yes |
| Pitch - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | Yes |
| Number of Rows | 2 | 2 | Yes |
| Row Spacing - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Termination | Solder | Solder | Yes |
| Fastening Type | Push-Pull | Push-Pull | Yes |
| Contact Finish - Mating | Gold | Gold | Yes |
| Contact Finish Thickness - Mating | 10.0µin (0.25µm) | 10.0µin (0.25µm) | Yes |
| Insulation Color | Black | Black | Yes |
| Insulation Height | 0.177" (4.50mm) | 0.177" (4.50mm) | Yes |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | Yes |
| Current Rating (Amps) | 3.9A per Contact | 3.9A per Contact | Yes |
| Insulation Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Yes |
| Contact Shape | Square | Square | Yes |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Yes |
| Contact Finish - Post | Tin | Tin | Yes |
| Base Product Number | MMS-112 | MMS-112 | Yes |
| Product Status | Active | Active | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Yes |
| ECCN | EAR99 | EAR99 | Yes |
| HTSUS | 8536.69.4040 | 8536.69.4040 | Yes |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Yes |
Engineering Selection Recommendations
Both MMS-112-02-L-DV-M-TR and MMS-112-02-L-DV-K-TR are Active status products with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain considerations rather than functional differences. Both parts maintain ROHS3 compliance, MSL 1 rating, and equivalent performance across all specified parameters. The substitute part MMS-112-02-L-DV-K-TR currently maintains higher inventory levels (1222 Pcs vs. 684 Pcs), which may influence procurement decisions for high-volume applications.
Frequently Asked Questions (FAQ)
Q: Are MMS-112-02-L-DV-M-TR and MMS-112-02-L-DV-K-TR electrically interchangeable?
A: Yes. Both parts share identical electrical specifications including 3.9A per contact current rating, gold mating contact finish, and operating temperature range of -55°C to 125°C.
Q: What is the difference between these two part numbers?
A: The parts differ only in internal designation codes (M vs. K suffix). All functional, electrical, and mechanical parameters are identical.
Q: Can I substitute MMS-112-02-L-DV-K-TR for MMS-112-02-L-DV-M-TR in existing designs?
A: Yes. The substitute part maintains the same 24-position, 0.079" pitch configuration, surface mount termination, and push-pull fastening. PCB layout and mating connector compatibility remain unchanged.
Q: Are both parts RoHS3 compliant?
A: Yes. Both MMS-112-02-L-DV-M-TR and MMS-112-02-L-DV-K-TR are ROHS3 compliant with MSL 1 rating.
Q: What is the moisture sensitivity level for these connectors?
A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
Q: Are these parts suitable for pick-and-place assembly?
A: Yes. Both parts feature pick-and-place capability and are supplied in Tape & Reel (TR) packaging for automated assembly processes.
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