HCP0703-2R2-R Equivalent & Substitute Parts

Part Overview

The HCP0703-2R2-R is a 2.2 µH shielded drum core wirewound inductor manufactured by Eaton - Electronics Division. This surface mount component is rated for 8 A continuous current with a maximum DC resistance of 20 mOhm and operates across the temperature range of -55°C to 125°C. The part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing design requirements and procurement needs. Substitute parts must maintain electrical performance specifications including inductance value, current rating, DC resistance, and shielding characteristics while accommodating modern packaging and availability constraints.

Substiute Parts

HCP0703-2R2-R

Eaton - Electronics DivisionIn Stock: 1224HCP0703-2R2-R Datasheet

Current PartRFQ

HCM0703-2R2-R

Eaton - Electronics DivisionIn Stock: 1466HCM0703-2R2-R Datasheet

DirectRFQ

IHLP2525CZER2R2M01

Vishay DaleIn Stock: 25259IHLP2525CZER2R2M01 Datasheet

SimilarRFQ

LMLP07A7M2R2DTAS

KYOCERA AVXIn Stock: 2903LMLP07A7M2R2DTAS Datasheet

SimilarRFQ

MPLC0730L2R2

KEMETIn Stock: 2191MPLC0730L2R2 Datasheet

SimilarRFQ

MPLCG0630L2R2

KEMETIn Stock: 3343MPLCG0630L2R2 Datasheet

SimilarRFQ

SRP7028A-2R2M

Bourns Inc.In Stock: 17654SRP7028A-2R2M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HCP0703-2R2-R is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Inductance: 2.2 µH
• Inductance Tolerance: ±20%
• Current Rating: 8 A minimum
• DC Resistance: 20 mOhm maximum
• Shielding: Shielded configuration required
• Inductance Test Frequency: 100 kHz
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: 1 (Unlimited)

Acceptable Variation Parameters:

• Current - Saturation (Isat): 12 A minimum (original part: 14 A)
• Operating Temperature Range: Must encompass or exceed -55°C to 125°C
• Core Material: Iron Powder, Metal Composite, or Carbonyl Powder acceptable
• Inductor Type: Drum Core Wirewound or Molded acceptable
• Packaging Format: Cut Tape (CT), Tape & Reel (TR), or Digi-Reel® acceptable
• Product Status: Active preferred; Obsolete acceptable if specifications match

Substitute parts must satisfy all mandatory matching parameters. Variations in acceptable parameters do not disqualify a part from substitution consideration provided electrical performance remains equivalent under specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute - HCM0703-2R2-R (Eaton - Electronics Division)

The HCM0703-2R2-R is the direct equivalent to the obsolete HCP0703-2R2-R. Both parts are manufactured by Eaton and share identical electrical specifications: 2.2 µH inductance, 8 A current rating, 20 mOhm maximum DC resistance, and -55°C to 125°C operating temperature range. The HCM0703-2R2-R is currently in active production status with 1362 pieces in stock. The primary difference is packaging format (Tape & Reel versus Cut Tape) and ROHS3 compliance certification. This part is the recommended first choice for direct replacement.

Secondary Substitute - SRP7028A-2R2M (Bourns Inc.)

The SRP7028A-2R2M meets all mandatory electrical parameters with 2.2 µH inductance, 8 A current rating, and 20 mOhm maximum DC resistance. This part is actively produced with 17600 pieces in inventory, providing superior availability. The SRP7028A-2R2M operates across -40°C to 150°C, exceeding the original temperature range. The part carries AEC-Q200 automotive qualification and ROHS3 compliance. Carbonyl powder core material provides alternative magnetic characteristics compared to the iron powder core of the original part.

Tertiary Substitute - MPLCG0630L2R2 (KEMET)

The MPLCG0630L2R2 satisfies all mandatory electrical parameters with 2.2 µH inductance, 8.2 A current rating, and 19 mOhm maximum DC resistance. This part features metal composite core material and is actively produced with 3285 pieces in stock. Operating temperature range of -40°C to 125°C encompasses the original specification. ROHS3 and REACH compliance certifications are provided.

Alternative Substitute - IHLP2525CZER2R2M01 (Vishay Dale)

The IHLP2525CZER2R2M01 meets all mandatory electrical parameters with 2.2 µH inductance, 8 A current rating, and 20 mOhm maximum DC resistance. This molded inductor design is actively produced with 25200 pieces in inventory, offering maximum availability. Operating temperature range of -55°C to 125°C matches the original specification exactly. ROHS3 compliance and REACH unaffected status are documented.

Alternative Substitute - LMLP07A7M2R2DTAS (KYOCERA AVX)

The LMLP07A7M2R2DTAS meets all mandatory electrical parameters with 2.2 µH inductance, 8 A current rating, and 20 mOhm maximum DC resistance. This part is actively produced with 2877 pieces in stock. Operating temperature range extends to -55°C to 155°C, exceeding the original specification. ROHS3 compliance is provided.

Not Recommended - MPLC0730L2R2 (KEMET)

The MPLC0730L2R2 does not meet mandatory current rating requirements. The part is rated for 7.3 A continuous current, which falls below the 8 A requirement of the original HCP0703-2R2-R. Additionally, the saturation current of 8.2 A is insufficient. The operating temperature range of -20°C to 120°C does not encompass the original -55°C lower limit. This part is not suitable for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can the HCM0703-2R2-R directly replace the HCP0703-2R2-R in existing designs?

A: Yes. The HCM0703-2R2-R is the direct equivalent manufactured by the same company (Eaton). All electrical specifications are identical: 2.2 µH inductance, 8 A current rating, 20 mOhm maximum DC resistance, and -55°C to 125°C operating temperature. The only differences are packaging format (Tape & Reel instead of Cut Tape) and ROHS3 compliance certification. No circuit redesign is required.

Q: What is the difference between drum core and molded inductor designs?

A: Drum core inductors use a cylindrical ferrite or powder core with wire wound around it, while molded inductors encapsulate the core and windings in a molded compound. Both designs in this comparison (HCP0703-2R2-R, HCM0703-2R2-R, SRP7028A-2R2M, MPLCG0630L2R2 are drum core; IHLP2525CZER2R2M01 is molded) meet identical electrical specifications. Selection between designs depends on PCB layout constraints and thermal management requirements specific to the application.

Q: Why is MPLC0730L2R2 not recommended as a substitute?

A: The MPLC0730L2R2 has a continuous current rating of 7.3 A, which is below the 8 A requirement of the HCP0703-2R2-R. Additionally, its saturation current of 8.2 A is insufficient for applications requiring the original part's 14 A saturation rating. The operating temperature range of -20°C to 120°C does not extend to the -55°C lower limit of the original specification. This part cannot guarantee equivalent performance under all specified operating conditions.

Q: What does ±20% inductance tolerance mean for circuit design?

A: Inductance tolerance of ±20% means the actual inductance value can vary between 1.76 µH and 2.64 µH from the nominal 2.2 µH specification. All substitute parts listed carry the same ±20% tolerance as the original HCP0703-2R2-R. Circuit designs must account for this tolerance range in filter calculations, impedance matching, and resonant frequency applications.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed (HCM0703-2R2-R, IHLP2525CZER2R2M01, LMLP07A7M2R2DTAS, MPLC0730L2R2, MPLCG0630L2R2, SRP7028A-2R2M) carry ROHS3 compliance certification. The original HCP0703-2R2-R does not list ROHS status, as it is classified as obsolete. ROHS3 compliance is standard for all currently manufactured alternatives.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: Moisture Sensitivity Level 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All parts in this comparison carry MSL 1 rating, meaning they can be stored under standard conditions without desiccant packaging or moisture barrier requirements.

Q: Which substitute offers the best inventory availability?

A: The IHLP2525CZER2R2M01 (Vishay Dale) offers the highest inventory availability with 25200 pieces in stock, followed by SRP7028A-2R2M (Bourns Inc.) with 17600 pieces. Both parts meet all mandatory electrical specifications and are suitable for immediate procurement.

Q: Can I use SRP7028A-2R2M in automotive applications?

A: Yes. The SRP7028A-2R2M carries AEC-Q200 automotive qualification, indicating it meets automotive industry reliability and performance standards. This certification is not listed for other substitute parts in this comparison.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging provides components on a continuous tape that is cut into individual pieces or small quantities, suitable for low-volume applications or manual assembly. Tape & Reel (TR) packaging provides components on a continuous reel suitable for automated pick-and-place assembly equipment. Both packaging formats contain identical components; selection depends on assembly process requirements and order volume.