F1399AA03 Equivalent & Substitute Parts Reference

Part Overview

The F1399AA03 is a single-phase EMC/EMI line filter manufactured by Curtis Industries, rated for 250VAC at 3A with 50/60Hz operation. This chassis-mounted filter features two-stage configuration with quick connect termination, designed for general-purpose applications requiring electromagnetic compatibility filtering. The part maintains active product status with full RoHS3 compliance and multiple international approvals (CE, CSA, TUV, UR). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory certifications.

Substiute Parts

F1399AA03

Curtis IndustriesIn Stock: 810F1399AA03 Datasheet

Current PartRFQ

1-6609037-1

TE Connectivity Corcom FiltersIn Stock: 9181-6609037-1 Datasheet

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3VS1

TE Connectivity Corcom FiltersIn Stock: 9763VS1 Datasheet

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6609032-6

TE Connectivity Corcom FiltersIn Stock: 8166609032-6 Datasheet

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6609055-1

TE Connectivity Corcom FiltersIn Stock: 9606609055-1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the F1399AA03 are classified based on electrical parameter compatibility and mechanical interface requirements. The primary substitution criteria are: voltage rating (250VAC), current capacity (3A), frequency operation (50/60Hz), filter type (single phase), and mounting configuration (chassis mount). Parts are grouped into two categories:

Category 1 - Direct Equivalents (Two-Stage, Quick Connect): Parts maintaining identical electrical ratings, two-stage configuration, and quick connect termination. These provide direct functional replacement without circuit modification.

Category 2 - Functional Alternatives (Modified Configuration or Termination): Parts meeting core electrical specifications but differing in stage configuration or termination style. These require circuit design consideration for integration.

Parameter Comparison

Engineering Selection Recommendations

1-6609037-1 (TE Connectivity Corcom Filters): Provides direct electrical and mechanical equivalence to F1399AA03. Maintains two-stage configuration with quick connect termination at identical 250VAC/3A ratings. Holds active product status with CSA, UR, and VDE approvals. Suitable for direct replacement in existing designs.

3VS1 (TE Connectivity Corcom Filters): Meets core electrical specifications with dual voltage capability (120V/250VAC). Maintains two-stage configuration and quick connect termination. Active product status with CSA, UR, and VDE certifications. Applicable where dual-voltage operation provides system flexibility.

6609032-6 (TE Connectivity Corcom Filters): Matches electrical ratings and two-stage configuration but employs wire lead termination instead of quick connect. Requires circuit redesign for connection interface. Active product status with CSA, UR, and VDE approvals. Suitable where wire lead integration is preferred or required.

6609055-1 (TE Connectivity Corcom Filters): Maintains electrical ratings and quick connect termination but operates with single-stage configuration. Provides reduced filtering complexity. Active product status with CSA, UR, and VDE certifications. Applicable where single-stage filtering meets EMI/EMC requirements.

Frequently Asked Questions (FAQ)

Q: Can 1-6609037-1 replace F1399AA03 without circuit modification? A: Yes. The 1-6609037-1 maintains identical electrical ratings (250VAC, 3A), two-stage configuration, and quick connect termination, enabling direct substitution.

Q: What is the primary difference between 3VS1 and F1399AA03? A: The 3VS1 supports dual voltage operation (120V and 250VAC) compared to F1399AA03's single 250VAC rating. Both maintain two-stage configuration and quick connect termination.

Q: Why does 6609032-6 require circuit consideration? A: The 6609032-6 uses wire lead termination instead of quick connect. Circuit redesign is necessary to accommodate the different connection interface, though electrical specifications remain compatible.

Q: Is 6609055-1 suitable for applications requiring two-stage filtering? A: No. The 6609055-1 operates with single-stage configuration. Applications requiring two-stage EMI/EMC filtering should use F1399AA03, 1-6609037-1, 3VS1, or 6609032-6.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance matching the F1399AA03 specification.

Q: What regulatory approvals should I verify for my application? A: F1399AA03 holds CE, CSA, TUV, and UR approvals. Substitute parts from TE Connectivity Corcom Filters hold CSA, UR, and VDE approvals. Verify that required certifications align with your application's regulatory requirements.