HC2-1R0-R Equivalent & Substitute Parts

Part Overview

The HC2-1R0-R is a 1 µH unshielded wirewound inductor manufactured by Eaton - Electronics Division, rated for 33 A continuous current with a maximum DC resistance of 1.3 mOhm. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity. The HC2-1R0-R operates across the temperature range of -40°C to 85°C and is RoHS compliant with unlimited moisture sensitivity rating (MSL 1).

Substiute Parts

HC2-1R0-R

Eaton - Electronics DivisionIn Stock: 860HC2-1R0-R Datasheet

Current PartRFQ

HC2LP-1R0-R

Eaton - Electronics DivisionIn Stock: 1997HC2LP-1R0-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC2-1R0-R is determined by strict equivalence across the following critical parameters:

• Inductance Value: 1 µH (exact match required)
• Current Rating: 33 A minimum continuous rating
• Saturation Current (Isat): 42.5 A minimum
• DC Resistance (DCR): 1.3 mOhm maximum
• Inductance Tolerance: ±20% or better
• Operating Temperature Range: -40°C to 85°C minimum coverage
• Mounting Type: Surface Mount
• Shielding Configuration: Unshielded
• Regulatory Compliance: RoHS Compliant

The HC2LP-1R0-R qualifies as a direct substitute based on matching all critical electrical parameters and regulatory requirements. The primary distinction is the core material composition (ferrite drum core versus standard wirewound) and minor dimensional variations, which do not affect electrical performance within the specified operating envelope.

Parameter Comparison

Engineering Selection Recommendations

The HC2LP-1R0-R is the qualified substitute for the obsolete HC2-1R0-R based on the following engineering criteria:

Electrical Equivalence: All critical electrical parameters match exactly, including inductance value (1 µH), current rating (33 A), saturation current (42.5 A), and DC resistance (1.3 mOhm maximum). The ±20% inductance tolerance is identical, ensuring equivalent performance in circuit applications.

Regulatory Compliance: Both parts maintain RoHS compliance and carry identical moisture sensitivity ratings (MSL 1 - Unlimited). No additional qualification or testing is required from a regulatory standpoint.

Product Status Advantage: The HC2LP-1R0-R is classified as Active, providing long-term procurement security and manufacturing continuity compared to the obsolete HC2-1R0-R. Higher inventory availability (1900 pcs versus 779 pcs) supports supply chain reliability.

Physical Compatibility: The substitute maintains a functionally equivalent surface mount footprint (19.20mm x 19.20mm versus 19.20mm x 19.00mm). The reduced height profile (11.18mm versus 12.70mm) presents no compatibility issues and may offer design advantages in space-constrained applications.

Core Material Consideration: The HC2LP-1R0-R employs a ferrite drum core construction versus the standard wirewound design of the HC2-1R0-R. This construction difference does not alter the specified electrical performance within the defined operating envelope and is transparent to circuit-level functionality.

Frequently Asked Questions (FAQ)

Q: Can the HC2LP-1R0-R be used as a direct replacement for the HC2-1R0-R in existing designs?

A: Yes. The HC2LP-1R0-R meets all critical electrical specifications of the HC2-1R0-R, including inductance (1 µH), current rating (33 A), saturation current (42.5 A), and DC resistance (1.3 mOhm maximum). The parts are electrically equivalent and functionally interchangeable.

Q: What is the difference between the wirewound and drum core construction?

A: The HC2-1R0-R uses standard wirewound construction, while the HC2LP-1R0-R employs a ferrite drum core wirewound design. Both constructions deliver identical electrical performance within the specified operating parameters. The drum core design in the HC2LP-1R0-R provides a lower profile (11.18mm versus 12.70mm).

Q: Are there any dimensional concerns when substituting the HC2LP-1R0-R?

A: Dimensional differences are minimal and non-critical. The HC2LP-1R0-R has a slightly larger width (19.20mm versus 19.00mm) and lower height (11.18mm versus 12.70mm). Both parts use identical surface mount technology and maintain compatible footprints for standard PCB layouts.

Q: Why is the HC2-1R0-R classified as obsolete?

A: The HC2-1R0-R is listed as obsolete by the manufacturer. The HC2LP-1R0-R is the active equivalent, ensuring continued availability and manufacturing support for this inductance value and current rating.

Q: Does the HC2LP-1R0-R require different handling or storage procedures?

A: No. Both parts carry identical moisture sensitivity ratings (MSL 1 - Unlimited), indicating no special moisture control requirements during storage or handling. Standard ESD precautions apply to both components.

Q: What is the inductance tolerance specification for both parts?

A: Both the HC2-1R0-R and HC2LP-1R0-R carry an inductance tolerance of ±20%, ensuring equivalent performance consistency across production batches.

Q: Are both parts RoHS compliant?

A: Yes. Both the HC2-1R0-R and HC2LP-1R0-R are RoHS compliant, meeting all applicable environmental and regulatory requirements.

Q: What is the operating temperature range for the HC2LP-1R0-R?

A: The HC2LP-1R0-R operates across the temperature range of -40°C to 85°C, identical to the HC2-1R0-R, ensuring equivalent thermal performance in all specified applications.