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TE Connectivity AMP Connectors 3-1445051-1 Equivalent & Substitute Parts
Part Overview
The TE Connectivity AMP Connectors 3-1445051-1 is a rectangular connector header designed for through-hole mounting applications. This connector features 11 vertical positions with a 3.00mm pitch and is part of the Micro MATE-N-LOK series. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional compatibility for board-to-cable/wire interconnection applications. Substitute parts must match critical electrical and mechanical parameters including connector type, position count, pitch, mounting configuration, and contact specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 11 |
| Number of Rows | 1 |
| Pitch - Mating | 0.118" (3.00mm) |
| Mounting Type | Through Hole |
| Style | Board to Cable/Wire |
| Shrouding | Shrouded - 4 Wall |
| Contact Shape | Square |
| Contact Material | Brass |
| Insulation Material | Polyamide (PA), Nylon |
| Contact Finish - Mating | Tin |
| Contact Finish - Post | Tin |
| Voltage Rating | 250V |
| Operating Temperature | -40°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the TE Connectivity 3-1445051-1 are identified from the Molex Micro-Fit 3.0 43650 series. Substitution is based on matching the following critical parameters:
Mandatory Matching Parameters:
- Connector Type: Header
- Contact Type: Male Pin
- Number of Positions: 11
- Number of Rows: 1
- Pitch - Mating: 0.118" (3.00mm)
- Mounting Type: Through Hole
- Style: Board to Cable/Wire
- Shrouding: Shrouded - 4 Wall
- Contact Shape: Square
- Contact Material: Brass
- Material Flammability Rating: UL94 V-0
- Moisture Sensitivity Level: 1 (Unlimited)
Acceptable Variations:
- Insulation Material: Liquid Crystal Polymer (LCP), Glass Filled (alternative to Polyamide/Nylon)
- Contact Finish - Mating: Tin or Gold (both acceptable)
- Contact Finish Thickness - Mating: Varies by part
- Fastening Type: Locking Ramp (maintained across all substitutes)
- Features: Board Lock or Board Guide (both acceptable)
- Termination: Kinked Pin, Solder (compatible with Solder termination)
All substitute parts are active products with ROHS3 compliance and REACH Unaffected status, providing long-term availability and regulatory compliance advantages over the obsolete main part.
Parameter Comparison
| Parameter | 3-1445051-1 (TE Connectivity) | 0436501115 (Molex) | 0436501117 (Molex) | 0436501118 (Molex) | 0436501119 (Molex) | 0436501120 (Molex) |
|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | Molex | Molex | Molex | Molex | Molex |
| Series | Micro MATE-N-LOK | Micro-Fit 3.0 43650 | Micro-Fit 3.0 43650 | Micro-Fit 3.0 43650 | Micro-Fit 3.0 43650 | Micro-Fit 3.0 43650 |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Connector Type | Header | Header | Header | Header | Header | Header |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin |
| Number of Positions | 11 | 11 | 11 | 11 | 11 | 11 |
| Pitch - Mating | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Style | Board to Cable/Wire | Board to Cable/Wire | Board to Cable/Wire | Board to Cable/Wire | Board to Cable/Wire | Board to Cable/Wire |
| Shrouding | Shrouded - 4 Wall | Shrouded - 4 Wall | Shrouded - 4 Wall | Shrouded - 4 Wall | Shrouded - 4 Wall | Shrouded - 4 Wall |
| Contact Shape | Square | Square | Square | Square | Square | Square |
| Contact Material | Brass | Brass | Brass | Brass | Brass | Brass |
| Contact Finish - Mating | Tin | Tin | Gold | Tin | Gold | Gold |
| Contact Finish Thickness - Mating | 100.0µin (2.54µm) | 100.0µin (2.54µm) | 30.0µin (0.76µm) | 100.0µin (2.54µm) | 15.0µin (0.38µm) | 30.0µin (0.76µm) |
| Contact Finish - Post | Tin | Tin | Tin | Tin | Tin | Tin |
| Insulation Height | 0.364" (9.25mm) | 0.390" (9.91mm) | 0.390" (9.91mm) | 0.390" (9.91mm) | 0.390" (9.91mm) | 0.390" (9.91mm) |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Fastening Type | Locking Ramp | Locking Ramp | Locking Ramp | Locking Ramp | Locking Ramp | Locking Ramp |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | Vendor Undefined | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Primary Recommendation: Molex 0436501115
The Molex 0436501115 is the direct functional equivalent for general-purpose applications. This part maintains tin contact finish on the mating surface matching the original specification, ensuring consistent electrical performance. As an active product with ROHS3 compliance and REACH Unaffected status, it provides superior long-term availability and regulatory support compared to the obsolete TE Connectivity part.
Alternative for Enhanced Corrosion Resistance: Molex 0436501117 or 0436501120
For applications requiring enhanced contact durability and corrosion resistance, the Molex 0436501117 and 0436501120 offer gold-plated mating contacts. These parts are suitable for environments with higher humidity or corrosive exposure. The 0436501120 provides the additional benefit of board lock features matching the original design.
Alternative for Cost Optimization: Molex 0436501118
The Molex 0436501118 offers tin contact finish with board lock features, providing a cost-effective alternative while maintaining the mechanical locking configuration of the original part.
Alternative for Medical and Military Applications: Molex 0436501119
The Molex 0436501119 combines gold-plated mating contacts with board lock features and is qualified for medical and military applications, providing expanded application scope beyond general-purpose use.
All substitute parts share identical electrical ratings, mechanical dimensions, and compliance certifications with the original part, ensuring direct functional substitution in existing designs.
Frequently Asked Questions (FAQ)
Q: Can the Molex Micro-Fit 3.0 43650 series parts directly replace the TE Connectivity Micro MATE-N-LOK 3-1445051-1?
A: Yes. All substitute parts match the critical parameters: 11-position header, 3.00mm pitch, through-hole mounting, shrouded 4-wall configuration, square brass contacts, and UL94 V-0 flammability rating. The primary difference is the insulation material composition, which does not affect electrical or mechanical compatibility.
Q: What is the difference between the tin and gold contact finish options?
A: Tin-plated contacts (0436501115, 0436501118) provide standard electrical performance for general-purpose applications. Gold-plated contacts (0436501117, 0436501119, 0436501120) offer enhanced corrosion resistance and are suitable for high-reliability, medical, military, and telecommunications applications. Contact finish thickness varies by part number.
Q: Are there differences in the board lock versus board guide features?
A: Board lock features (0436501118, 0436501119, 0436501120) provide mechanical locking to the PCB, matching the original part's locking ramp fastening type. Board guide features (0436501115, 0436501117) provide alignment without locking. Selection depends on application requirements for mechanical retention.
Q: What is the insulation height difference between the original part and substitutes?
A: The original TE Connectivity part has an insulation height of 0.364" (9.25mm), while all Molex substitutes have 0.390" (9.91mm). This 0.026" (0.66mm) difference must be evaluated for clearance in existing PCB designs and enclosure layouts.
Q: Are all substitute parts RoHS compliant?
A: Yes. The original part is RoHS Compliant, and all Molex substitutes are ROHS3 Compliant, meeting current regulatory requirements. All parts have MSL 1 (Unlimited) moisture sensitivity rating.
Q: What is the inventory availability for these substitute parts?
A: Molex 0436501115: 1245 pcs; Molex 0436501117: 940 pcs; Molex 0436501118: 800 pcs; Molex 0436501119: 1047 pcs; Molex 0436501120: 1035 pcs. All are packaged in trays and available as new original stock.
Q: Can these parts be used interchangeably in the same design?
A: Parts with identical contact finish and board lock/guide features can be used interchangeably. When switching between tin and gold finishes, or between board lock and board guide configurations, verify that the application requirements support the specific contact finish properties and mechanical retention method.
Q: What is the mated stacking height for the substitute parts?
A: All Molex substitute parts have a mated stacking height of 17.56mm. This specification is not provided for the original TE Connectivity part and should be verified for applications with height constraints.
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