AIRD-02-1R2K Equivalent & Substitute Parts

Part Overview

The AIRD-02-1R2K is a 1.2 µH unshielded drum core wirewound inductor manufactured by Abracon LLC, rated for 11.4 A continuous current with a maximum DC resistance of 3 mOhm. This through-hole radial component operates across the temperature range of -25°C to 85°C and is RoHS3 compliant. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

AIRD-02-1R2K

Abracon LLCIn Stock: 829AIRD-02-1R2K Datasheet

Current PartRFQ

AIRD-02-1R2N

Abracon LLCIn Stock: 1162AIRD-02-1R2N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AIRD-02-1R2K is determined by the following critical parameters:

• Inductance Value: 1.2 µH (primary electrical specification)
• Current Rating: 11.4 A minimum (load capacity requirement)
• DC Resistance: 3 mOhm maximum (power loss constraint)
• Saturation Current: 108 A (core performance specification)
• Core Material: Ferrite (electromagnetic characteristics)
• Shielding Configuration: Unshielded (EMI profile)
• Mounting Type: Through Hole (assembly compatibility)
• Package Geometry: Radial, Vertical Cylinder with 0.827" diameter (PCB footprint compatibility)

The AIRD-02-1R2N meets all critical substitution criteria. Both components share identical inductance, current rating, DC resistance, saturation current, core material, shielding type, and physical dimensions. The primary difference is the inductance tolerance specification (±10% for AIRD-02-1R2K versus ±30% for AIRD-02-1R2N) and operating temperature range expansion (-40°C to 125°C for the substitute versus -25°C to 85°C for the original).

Parameter Comparison

Engineering Selection Recommendations

The AIRD-02-1R2N is the direct substitute for the obsolete AIRD-02-1R2K. Both components are manufactured by Abracon LLC within the same AIRD-02 series and maintain electrical and mechanical compatibility across all critical parameters.

The AIRD-02-1R2N offers the following advantages for design continuity:

• Active Product Status: Currently in production with established supply chain availability
• Regulatory Compliance: Maintains ROHS3 compliance and REACH unaffected status
• Extended Operating Range: Supports -40°C to 125°C temperature operation, providing broader environmental coverage than the original specification
• Identical Electrical Performance: Matches inductance value, current rating, DC resistance, and saturation current specifications
• Footprint Compatibility: Preserves through-hole radial mounting configuration and physical dimensions for direct PCB replacement

The inductance tolerance difference (±30% versus ±10%) should be evaluated against circuit design requirements. Applications requiring tighter inductance tolerance control may require circuit-level compensation or alternative component selection strategies.

Frequently Asked Questions (FAQ)

Q: Can the AIRD-02-1R2N be used as a direct replacement for the AIRD-02-1R2K?

A: Yes. Both components share identical inductance (1.2 µH), current rating (11.4 A), DC resistance (3 mOhm max), saturation current (108 A), core material (ferrite), shielding configuration (unshielded), and physical dimensions (0.827" diameter radial cylinder). The AIRD-02-1R2N is pin-compatible and footprint-compatible for direct PCB substitution.

Q: What is the difference in inductance tolerance between these parts?

A: The AIRD-02-1R2K specifies ±10% inductance tolerance, while the AIRD-02-1R2N specifies ±30% tolerance. For applications where inductance precision is critical, verify that the wider tolerance of the substitute part remains acceptable within circuit design margins.

Q: Does the AIRD-02-1R2N support the same temperature range as the original?

A: No. The AIRD-02-1R2K operates from -25°C to 85°C, while the AIRD-02-1R2N operates from -40°C to 125°C. The substitute part provides an extended operating range, which is beneficial for applications requiring broader environmental coverage.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the AIRD-02-1R2K and AIRD-02-1R2N are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.

Q: What is the moisture sensitivity level for these inductors?

A: Both components have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.