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TE Connectivity 640432-2 Rectangular Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity 640432-2 is a 2-position rectangular receptacle connector from the MTA-156 series, designed for IDC (Insulation Displacement Contact) termination with 20 AWG discrete or ribbon cable. This connector features tin-lead contact finish and is classified as an active product. Substitute parts are identified to address specific application requirements, including RoHS compliance status and packaging variations, while maintaining electrical and mechanical compatibility within the MTA-156 series specification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle |
| Number of Positions | 2 |
| Pitch | 0.156" (3.96mm) |
| Number of Rows | 1 |
| Cable Termination Method | IDC |
| Wire Gauge | 20 AWG |
| Contact Type | Female Socket |
| Mounting Type | Free Hanging (In-Line) |
| Contact Finish Thickness | 80.0µin (2.03µm) |
| Features | Closed End |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution between the main part 640432-2 and the equivalent part 3-640432-2 is based on strict electrical and mechanical parameter alignment within the MTA-156 series. Both parts maintain identical specifications for the following critical parameters:
- Connector type (Receptacle)
- Number of positions (2)
- Pitch (0.156" / 3.96mm)
- Number of rows (1)
- Cable termination method (IDC)
- Wire gauge (20 AWG)
- Contact type (Female Socket)
- Mounting type (Free Hanging In-Line)
- Contact finish thickness (80.0µin / 2.03µm)
- Closed end feature
- Moisture sensitivity level (1 Unlimited)
The primary distinction between these parts is the contact finish composition (tin-lead versus tin) and RoHS compliance status. Both parts are manufactured by TE Connectivity AMP Connectors and belong to the same base product family (640432).
Parameter Comparison
| Parameter | 640432-2 | 3-640432-2 |
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Series | MTA-156 | MTA-156 |
| Connector Type | Receptacle | Receptacle |
| Number of Positions | 2 | 2 |
| Pitch | 0.156" (3.96mm) | 0.156" (3.96mm) |
| Number of Rows | 1 | 1 |
| Contact Type | Female Socket | Female Socket |
| Cable Termination | IDC | IDC |
| Wire Type | Discrete or Ribbon Cable | Discrete or Ribbon Cable |
| Wire Gauge | 20 AWG | 20 AWG |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Features | Closed End | Closed End |
| Contact Finish | Tin-Lead | Tin |
| Contact Finish Thickness | 80.0µin (2.03µm) | 80.0µin (2.03µm) |
| Color | Yellow | Yellow |
| RoHS Status | RoHS non-compliant | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.69.8000 | 8536.69.8000 |
Engineering Selection Recommendations
Both 640432-2 and 3-640432-2 are active products manufactured by TE Connectivity and are electrically and mechanically interchangeable within the MTA-156 series specification. Selection between these parts is determined by regulatory and compliance requirements:
640432-2 (Tin-Lead Contact Finish): Suitable for applications where RoHS compliance is not required or where legacy system compatibility with tin-lead contact finishes is specified.
3-640432-2 (Tin Contact Finish): Required for applications subject to RoHS regulations and environmental compliance mandates. This part maintains identical electrical and mechanical performance while meeting RoHS compliance requirements.
Both parts carry identical ECCN (EAR99) and HTSUS (8536.69.8000) classifications. The moisture sensitivity level of 1 (Unlimited) indicates no special moisture handling requirements for either part during storage or assembly.
Frequently Asked Questions (FAQ)
Q: Are 640432-2 and 3-640432-2 electrically interchangeable?
A: Yes. Both parts maintain identical electrical specifications including connector type, number of positions, pitch, contact type, wire gauge, and contact finish thickness. They are electrically interchangeable within the MTA-156 series.
Q: What is the difference between tin-lead and tin contact finishes?
A: The 640432-2 features a tin-lead contact finish, while the 3-640432-2 features a tin contact finish. Both maintain the same contact finish thickness of 80.0µin (2.03µm). The primary distinction is RoHS compliance status.
Q: Which part should be selected for RoHS-compliant applications?
A: The 3-640432-2 is RoHS compliant and must be selected for applications subject to RoHS regulations. The 640432-2 is RoHS non-compliant.
Q: Do these parts require special moisture handling?
A: No. Both parts carry a Moisture Sensitivity Level of 1 (Unlimited), indicating no special moisture handling or baking requirements during storage or assembly.
Q: Are there packaging differences between these parts?
A: The 640432-2 is supplied in standard packaging, while the 3-640432-2 is supplied in bulk packaging. Both parts are identical in form, fit, and function.
Q: Can these connectors be used with both discrete and ribbon cable?
A: Yes. Both parts support discrete or ribbon cable termination via IDC (Insulation Displacement Contact) method at 20 AWG wire gauge.
Q: What is the pitch specification for these connectors?
A: Both parts feature a pitch of 0.156" (3.96mm), which is the standard spacing for the MTA-156 series.
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