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AT04-3P-BLU Equivalent & Substitute Parts
Part Overview
The AT04-3P-BLU is a 3-position rectangular connector receptacle housing manufactured by Amphenol Sine Systems Corp as part of the AT Series™ product line. This connector housing is designed for free-hanging, in-line applications with crimp contact termination and latch holder fastening. The part is actively produced and maintains full compliance with RoHS3 and REACH regulations. Substitute parts are necessary when specific color coding requirements differ from the primary blue housing, while maintaining identical electrical and mechanical specifications across the AT04-3P base product family.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AT04-3P-BLU |
| Manufacturer | Amphenol Sine Systems Corp |
| Series | AT Series™ |
| Category | Rectangular Connectors |
| Connector Type | Receptacle |
| Contact Type | Male Pin |
| Number of Positions | 3 |
| Number of Rows | 2 |
| Mounting Type | Free Hanging (In-Line) |
| Contact Termination | Crimp |
| Fastening Type | Latch Holder |
| Insulation Material | Thermoplastic |
| Features | Sealed |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Active |
Substitute Part Grouping Explanation
All substitute parts for AT04-3P-BLU are derived from the same AT04-3P base product platform and share identical electrical and mechanical specifications. Substitution is determined by the following key parameters that remain constant across all variants:
- Connector Type: Receptacle
- Contact Type: Male Pin
- Number of Positions: 3
- Number of Rows: 2
- Mounting Type: Free Hanging (In-Line)
- Contact Termination: Crimp
- Fastening Type: Latch Holder
- Insulation Material: Thermoplastic
- Features: Sealed
- Operating Temperature Range: -55°C ~ 125°C
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
- Product Status: Active
The only variable parameter across the substitute family is Color, which serves as a visual identification mechanism and does not affect functional compatibility. All parts are packaged in boxes and carry the same base product number AT04-3P with color-specific suffixes.
Parameter Comparison
| Part Number | Color | Connector Type | Positions | Rows | Mounting Type | Termination | Fastening Type | Operating Temperature | RoHS Status | MSL | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT04-3P-BLU | Blue | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 1045 |
| AT04-3P-BRN | Brown | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 887 |
| AT04-3P-GRN | Green | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 1776 |
| AT04-3P-ORG | Orange | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 792 |
| AT04-3P-RED | Red | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 1614 |
| AT04-3P-WHT | White | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 828 |
| AT04-3P-YEL | Yellow | Receptacle | 3 | 2 | Free Hanging (In-Line) | Crimp | Latch Holder | -55°C ~ 125°C | ROHS3 Compliant | 1 | Active | 882 |
Engineering Selection Recommendations
All substitute parts within the AT04-3P family are functionally equivalent and interchangeable from an electrical and mechanical standpoint. Selection among AT04-3P-BLU, AT04-3P-BRN, AT04-3P-GRN, AT04-3P-ORG, AT04-3P-RED, AT04-3P-WHT, and AT04-3P-YEL should be based on the following criteria:
Compliance and Regulatory Status: All parts maintain identical compliance certifications. Each variant is ROHS3 Compliant, REACH Unaffected, and carries MSL Level 1 (Unlimited) moisture sensitivity rating. All parts are actively produced and available for procurement.
Application Requirements: Color selection is driven by circuit identification, wiring harness organization, or system-level documentation standards. The color designation does not alter connector performance, contact arrangement, or environmental operating specifications.
Inventory Availability: Current stock levels vary by color variant. AT04-3P-GRN maintains the highest inventory at 1776 pieces, while AT04-3P-ORG maintains the lowest at 792 pieces. AT04-3P-BLU is available with 1045 pieces in stock.
Thermal and Environmental Performance: All variants operate across the identical temperature range of -55°C to 125°C and feature sealed construction with thermoplastic insulation material, ensuring consistent performance across environmental conditions.
Frequently Asked Questions (FAQ)
Q: Can AT04-3P-BLU be directly replaced with any other AT04-3P color variant?
A: Yes. All AT04-3P color variants (BRN, GRN, ORG, RED, WHT, YEL) are functionally equivalent. They share identical electrical specifications, mechanical dimensions, contact arrangements, and environmental ratings. Substitution is limited only by application-specific color coding requirements.
Q: Are the contacts included with the AT04-3P-BLU housing?
A: No. The AT04-3P-BLU is a connector housing only. Contacts are not included and must be sourced separately. This specification applies uniformly across all color variants in the AT04-3P family.
Q: What is the significance of the 2-row configuration in the AT04-3P-BLU?
A: The 2-row configuration describes the internal contact arrangement within the 3-position housing. This arrangement is identical across all substitute parts and determines the physical layout of male pin contacts within the receptacle housing.
Q: Does the operating temperature range differ between color variants?
A: No. All AT04-3P color variants operate across the identical temperature range of -55°C to 125°C. Color selection does not affect thermal performance or environmental operating specifications.
Q: Are all AT04-3P variants RoHS3 compliant?
A: Yes. All substitute parts, including AT04-3P-BLU, AT04-3P-BRN, AT04-3P-GRN, AT04-3P-ORG, AT04-3P-RED, AT04-3P-WHT, and AT04-3P-YEL, are ROHS3 Compliant and REACH Unaffected. Regulatory compliance is consistent across the entire product family.
Q: What is the Moisture Sensitivity Level (MSL) for AT04-3P-BLU and its substitutes?
A: All AT04-3P variants carry MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.
Q: Can AT04-3P-BLU be used in applications requiring sealed connector housings?
A: Yes. The AT04-3P-BLU features sealed construction, as do all substitute variants. This sealed design is maintained across all color options and provides consistent environmental protection.
Q: What is the difference between the base product number AT04-3P and the full part number AT04-3P-BLU?
A: AT04-3P is the base product designation for the 3-position rectangular connector housing family. The suffix (such as -BLU for blue) specifies the color variant. All color variants share the same base product number but are distinguished by their color-specific suffixes.
Q: Are substitute parts available in the same packaging format as AT04-3P-BLU?
A: Yes. All substitute parts are packaged in boxes, matching the packaging format of AT04-3P-BLU. Packaging type is consistent across the entire AT04-3P color variant family.
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