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MQ115-16P-8A(21) Equivalent & Substitute Parts
Part Overview
The MQ115-16P-8A(21) is a 16-position rectangular connector manufactured by Hirose Electric Co Ltd, designed for through-hole mounting applications. This component is classified as obsolete, which necessitates identification of active equivalent parts to maintain design continuity and ensure procurement availability for new production runs and field replacements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MQ115-16P-8A(21) |
| Manufacturer | Hirose Electric Co Ltd |
| Category | Rectangular Connectors |
| Series | MQ115 |
| Number of Positions | 16 |
| Description | CONN RCPT MALE THT 16POS |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
The MQ115-16P-8A(71) qualifies as a direct substitute for the MQ115-16P-8A(21) based on the following alignment of critical parameters:
- Series Continuity: Both parts belong to the MQ115 series, ensuring mechanical and electrical compatibility within the connector family
- Position Count: Both connectors feature 16 positions, maintaining identical pin configuration and mating interface
- Connector Type: Both are receptacle connectors with male pin contact type
- Mounting Method: Both utilize through-hole mounting for PCB integration
- Termination: Both employ solder termination for permanent board attachment
- RoHS Compliance: Both meet ROHS3 compliance requirements
- MSL Rating: Both carry MSL 1 (Unlimited) classification, indicating identical moisture sensitivity handling
The primary distinction is product status: the MQ115-16P-8A(21) is obsolete, while the MQ115-16P-8A(71) is active and currently in production with confirmed inventory availability.
Parameter Comparison
| Parameter | MQ115-16P-8A(21) | MQ115-16P-8A(71) |
|---|---|---|
| Manufacturer | Hirose Electric Co Ltd | Hirose Electric Co Ltd |
| Series | MQ115 | MQ115 |
| Number of Positions | 16 | 16 |
| Connector Type | - | Receptacle |
| Contact Type | - | Male Pin |
| Number of Rows | - | 1 |
| Mounting Type | - | Through Hole |
| Termination | - | Solder |
| Fastening Type | - | Push-Pull |
| Contact Shape | - | Square |
| Contact Material | - | Copper Alloy |
| Insulation Material | - | Polybutylene Terephthalate (PBT) |
| Current Rating | - | 2A |
| Voltage Rating | - | 250VAC |
| Material Flammability Rating | - | UL94 V-0 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| Inventory Status | 647 Pcs New Original In Stock | 923 Pcs New Original In Stock |
Engineering Selection Recommendations
The MQ115-16P-8A(71) is the appropriate substitute for the obsolete MQ115-16P-8A(21). Selection rationale is based on:
- Product Status: The MQ115-16P-8A(71) maintains active production status, ensuring long-term availability and supply chain continuity
- Regulatory Compliance: Both parts satisfy ROHS3 compliance requirements, maintaining environmental and regulatory alignment
- Certification Alignment: Both components carry identical MSL 1 (Unlimited) ratings, eliminating moisture sensitivity handling differences
- Series Compatibility: Membership in the same MQ115 series provides mechanical and electrical interface compatibility
- Inventory Availability: The MQ115-16P-8A(71) demonstrates higher current inventory levels (923 Pcs vs. 647 Pcs), supporting immediate procurement needs
For new designs and production runs, the MQ115-16P-8A(71) should be specified. For existing systems using the MQ115-16P-8A(21), direct substitution is supported without design modification.
Frequently Asked Questions (FAQ)
Q: Can the MQ115-16P-8A(71) be used as a direct replacement for the MQ115-16P-8A(21) without PCB redesign?
A: Yes. Both connectors share identical 16-position configuration, through-hole mounting footprint, and solder termination method. No PCB layout modifications are required.
Q: What is the significance of the part number suffix difference between (21) and (71)?
A: The suffix designates internal manufacturing variants within the MQ115 series. Both variants maintain functional and mechanical equivalence for the 16-position rectangular connector specification.
Q: Are there any electrical performance differences between these two parts?
A: Both parts carry identical electrical ratings: 2A current capacity and 250VAC voltage rating. No electrical performance degradation occurs with substitution.
Q: How should the MSL 1 (Unlimited) rating be interpreted for storage and handling?
A: MSL 1 classification indicates no moisture sensitivity restrictions. Standard component storage practices apply without specialized dry-pack or desiccant requirements.
Q: Is the MQ115-16P-8A(71) suitable for applications requiring UL94 V-0 flammability compliance?
A: Yes. The MQ115-16P-8A(71) meets UL94 V-0 material flammability requirements, satisfying applications with flame-resistance specifications.
Q: What is the contact post length specification for the MQ115-16P-8A(71)?
A: The contact post length is 0.138" (4.60mm), providing standard solder joint depth for through-hole PCB assembly.
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