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TE Connectivity 1-1747066-3 Rectangular Connector Plug Housing Equivalent & Substitute Parts
Part Overview
The TE Connectivity 1-1747066-3 is a 3-position rectangular connector plug housing with 2.50mm pitch, designed for free-hanging in-line applications. This connector belongs to the Grace Inertia (GIC) series and features crimp contact termination with latch lock fastening. The housing is manufactured from polyamide (PA66) glass-filled nylon and operates across a temperature range of -30°C to 105°C. The part is ROHS3 compliant and carries an MSL rating of 1 (unlimited moisture sensitivity). Substitute parts are necessary when specific color requirements, extended temperature ranges, or alternative series compatibility are required for system integration or inventory optimization.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Plug |
| Contact Type | Female Socket |
| Number of Positions | 3 |
| Pitch | 0.098" (2.50mm) |
| Number of Rows | 1 |
| Mounting Type | Free Hanging (In-Line) |
| Contact Termination | Crimp |
| Fastening Type | Latch Lock |
| Operating Temperature Range | -30°C ~ 105°C |
| Insulation Material | Polyamide (PA66), Nylon 6/6, Glass Filled |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of rectangular connector plug housings is determined by strict equivalence across the following critical parameters: connector type (plug), contact type (female socket), number of positions (3), pitch (2.50mm), number of rows (1), mounting type (free hanging in-line), contact termination (crimp), and fastening type (latch lock). All substitute parts listed maintain these core electrical and mechanical specifications.
Variations among substitute parts are limited to the following non-critical parameters: housing color, insulation material composition, operating temperature range, connector series designation, and inventory availability. These variations do not affect the fundamental electrical or mechanical compatibility of the connector housing within applications that accept the specified core parameters.
The substitute parts are grouped as follows:
Group 1 - Same Series, Color Variant: Part 3-1747066-3 maintains the Grace Inertia series designation with identical electrical and mechanical specifications but features yellow housing instead of red.
Group 2 - Alternative Series, Extended Temperature Range: Part 1744417-3 from the Economy Power 2.5 series provides an extended operating temperature range of -55°C to 105°C with polyamide (PA) nylon insulation material.
Group 3 - Alternative Series, Standard Temperature Range: Parts 1376477-3, 917687-1, and 5-917687-1 represent alternative connector series (Signal Mate and Signal Double Lock) with standard operating temperature ranges of -30°C to 105°C and polyamide (PA66) nylon 6/6 insulation.
Parameter Comparison
| Parameter | 1-1747066-3 (Main) | 3-1747066-3 | 1376477-3 | 1744417-3 | 917687-1 | 5-917687-1 |
|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity AMP | TE Connectivity AMP | TE Connectivity AMP | TE Connectivity AMP | TE Connectivity AMP | TE Connectivity AMP |
| Connector Type | Plug | Plug | Plug | Plug | Plug | Plug |
| Contact Type | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket |
| Number of Positions | 3 | 3 | 3 | 3 | 3 | 3 |
| Pitch | 0.098" (2.50mm) | 0.098" (2.50mm) | 0.098" (2.50mm) | 0.098" (2.50mm) | 0.098" (2.50mm) | 0.098" (2.50mm) |
| Number of Rows | 1 | 1 | 1 | 1 | 1 | 1 |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Contact Termination | Crimp | Crimp | Crimp | Crimp | Crimp | Crimp |
| Fastening Type | Latch Lock | Latch Lock | Latch Lock | Latch Lock | Latch Lock | Latch Lock |
| Color | Red | Yellow | Natural | Natural | Natural | Natural |
| Insulation Material | Polyamide (PA66), Nylon 6/6, Glass Filled | Polyamide (PA66), Nylon 6/6, Glass Filled | Polyamide (PA66), Nylon 6/6, Glass Filled | Polyamide (PA), Nylon | Polyamide (PA66), Nylon 6/6 | Polyamide (PA66), Nylon 6/6 |
| Operating Temperature Range | -30°C ~ 105°C | -30°C ~ 105°C | -30°C ~ 105°C | -55°C ~ 105°C | -30°C ~ 105°C | -30°C ~ 105°C |
| Series | Grace Inertia, GIC | Grace Inertia, GIC | Signal Mate | Economy Power 2.5 | Signal Double Lock | Signal Double Lock |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and comply with applicable regulatory standards. The 1-1747066-3 and 3-1747066-3 are both ROHS3 compliant and belong to the Grace Inertia series, differing only in housing color (red versus yellow). These two parts are functionally equivalent for applications where color coding is the only distinguishing requirement.
The 1376477-3 (Signal Mate series) and 917687-1 and 5-917687-1 (Signal Double Lock series) are functionally equivalent alternatives with ROHS3 or RoHS compliance. These parts maintain the standard operating temperature range of -30°C to 105°C and are suitable for applications where series designation does not impose constraints.
The 1744417-3 (Economy Power 2.5 series) is the only substitute offering an extended operating temperature range of -55°C to 105°C. This part is ROHS3 compliant and is appropriate for applications requiring operation at temperatures below -30°C. The insulation material differs slightly (polyamide PA nylon versus PA66 nylon 6/6 glass filled), which does not affect mechanical or electrical compatibility within the specified parameters.
Selection among substitute parts should be based on application-specific requirements for housing color, operating temperature range, and connector series compatibility. All parts are manufactured by TE Connectivity AMP Connectors and carry MSL rating 1 (unlimited moisture sensitivity).
Frequently Asked Questions (FAQ)
Q: Can the 1-1747066-3 be directly replaced with any of the listed substitute parts?
A: Yes, all listed substitute parts are parametrically equivalent across the critical specifications: 3-position plug housing, 2.50mm pitch, female socket contacts, crimp termination, latch lock fastening, and free-hanging in-line mounting. Direct mechanical and electrical substitution is supported without modification to mating components or contact specifications.
Q: What is the primary difference between the 1-1747066-3 and 3-1747066-3?
A: The primary difference is housing color. The 1-1747066-3 features red housing, while the 3-1747066-3 features yellow housing. Both parts belong to the Grace Inertia series and maintain identical electrical and mechanical specifications, including operating temperature range (-30°C to 105°C) and insulation material (PA66 nylon 6/6 glass filled).
Q: When should the 1744417-3 be selected over other substitutes?
A: The 1744417-3 should be selected when the application requires operation at temperatures below -30°C, as it provides an extended operating temperature range of -55°C to 105°C. This part is from the Economy Power 2.5 series and maintains all other core specifications identical to the main part.
Q: Are there differences in insulation material among the substitute parts?
A: Yes. The 1-1747066-3 and 3-1747066-3 use polyamide (PA66) nylon 6/6 glass filled insulation. The 1376477-3 also uses PA66 nylon 6/6 glass filled. The 917687-1 and 5-917687-1 use polyamide (PA66) nylon 6/6 without glass filling. The 1744417-3 uses polyamide (PA) nylon without glass filling. These material variations do not affect mechanical or electrical compatibility within the specified parameters.
Q: Do all substitute parts carry the same RoHS compliance status?
A: The 1-1747066-3, 3-1747066-3, 1376477-3, and 1744417-3 are ROHS3 compliant. The 917687-1 and 5-917687-1 are RoHS compliant. Both compliance levels are acceptable for applications requiring environmental regulatory adherence.
Q: What is the significance of the MSL rating for these connector housings?
A: All listed parts carry an MSL rating of 1 (unlimited), indicating that moisture sensitivity is not a limiting factor for storage, handling, or deployment. These parts do not require special moisture control measures during manufacturing, storage, or assembly processes.
Q: Can the substitute parts be used interchangeably in existing designs?
A: Substitute parts can be used interchangeably provided that the application does not impose constraints on housing color, operating temperature range, or connector series designation. The core electrical and mechanical specifications are equivalent across all listed parts, supporting direct substitution in designs that do not specify these secondary parameters.
Q: Are contacts included with these connector housings?
A: No. All listed parts are connector housings only. Contacts are not included and must be sourced separately. The contact termination method for all parts is crimp, requiring appropriate crimping tools and contact specifications compatible with the 2.50mm pitch housing.
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