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TE Connectivity 1-640426-2 Rectangular Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity 1-640426-2 is a 12-position rectangular receptacle connector from the MTA-156 series, designed for IDC (Insulation Displacement Contact) termination with 18 AWG discrete wire. This connector features a tin contact finish, closed-end design, and free-hanging in-line mounting configuration with locking ramp fastening.
The 1-640426-2 carries an obsolete product status. Locating equivalent and substitute parts is necessary to support ongoing maintenance, repair, and production requirements for systems utilizing this connector configuration.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle |
| Contact Type | Female Socket |
| Number of Positions | 12 |
| Pitch | 0.156" (3.96mm) |
| Number of Rows | 1 |
| Mounting Type | Free Hanging (In-Line) |
| Cable Termination | IDC |
| Wire Gauge | 18 AWG |
| Contact Finish | Tin |
| Series | MTA-156 |
Substitute Part Grouping Explanation
Substitution eligibility for the 1-640426-2 is determined by strict equivalence across the following critical parameters:
- Connector Type & Contact Configuration: Receptacle with female socket contacts
- Position Count & Pitch: 12 positions at 0.156" (3.96mm) pitch
- Row Configuration: Single row layout
- Termination Method: IDC cable termination for 18 AWG discrete wire
- Mounting & Fastening: Free-hanging in-line mounting with locking ramp fastening
- Contact Material & Finish: Tin plating at 80.0µin (2.03µm) thickness
- Series Designation: MTA-156 series compatibility
The substitute part 4-640426-2 maintains complete electrical and mechanical equivalence across all specified parameters, with the primary distinction being product status and compliance certification updates.
Parameter Comparison
| Parameter | 1-640426-2 (Main Part) | 4-640426-2 (Substitute) |
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Series | MTA-156 | MTA-156 |
| Connector Type | Receptacle | Receptacle |
| Contact Type | Female Socket | Female Socket |
| Number of Positions | 12 | 12 |
| Pitch | 0.156" (3.96mm) | 0.156" (3.96mm) |
| Number of Rows | 1 | 1 |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Fastening Type | Locking Ramp | Locking Ramp |
| Cable Termination | IDC | IDC |
| Wire Type | Discrete | Discrete |
| Wire Gauge | 18 AWG | 18 AWG |
| Features | Closed End | Closed End |
| Contact Finish | Tin | Tin |
| Contact Finish Thickness | 80.0µin (2.03µm) | 80.0µin (2.03µm) |
| Color | Orange | Orange |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.69.8000 | 8536.69.8000 |
Engineering Selection Recommendations
Primary Substitute: TE Connectivity 4-640426-2
The 4-640426-2 is the direct substitute for the obsolete 1-640426-2. Both parts share identical electrical and mechanical specifications across all connector parameters, including position count, pitch, termination method, contact configuration, and wire gauge compatibility.
The 4-640426-2 offers the following advantages for component selection:
- Active Product Status: Currently manufactured and supported by TE Connectivity, ensuring long-term availability and supply chain continuity
- ROHS3 Compliance: Meets current environmental and regulatory requirements, whereas the 1-640426-2 is RoHS non-compliant
- Inventory Availability: 1107 pieces in stock compared to 987 pieces for the obsolete variant
- Bulk Packaging: Supplied in bulk packaging format, suitable for production and assembly operations
For applications requiring the 1-640426-2, the 4-640426-2 provides direct functional and mechanical interchangeability without design modification or connector interface changes.
Frequently Asked Questions (FAQ)
Q: Can the 4-640426-2 be used as a direct replacement for the 1-640426-2 in existing assemblies?
A: Yes. The 4-640426-2 maintains complete electrical and mechanical equivalence with the 1-640426-2 across all specified parameters, including connector type, position count, pitch, termination method, wire gauge, and contact finish. No design modifications are required.
Q: What is the primary difference between these two part numbers?
A: The primary differences are product status and regulatory compliance. The 1-640426-2 is obsolete and RoHS non-compliant, while the 4-640426-2 is an active product with ROHS3 compliance. All connector specifications remain identical.
Q: Are there any compatibility concerns when substituting the 4-640426-2 for the 1-640426-2?
A: No compatibility concerns exist. Both connectors are MTA-156 series receptacles with identical mechanical interfaces, contact configurations, and IDC termination specifications for 18 AWG discrete wire.
Q: What packaging format is the 4-640426-2 supplied in?
A: The 4-640426-2 is supplied in bulk packaging, which is standard for production and assembly operations.
Q: Are both parts subject to the same export classifications?
A: Yes. Both the 1-640426-2 and 4-640426-2 share the same ECCN classification (EAR99) and HTSUS code (8536.69.8000).
Q: What is the moisture sensitivity level for these connectors?
A: Both connectors have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without special moisture control requirements.
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