HCM0503-220-R Equivalent & Substitute Parts

Part Overview

The HCM0503-220-R is a 22 µH shielded inductor manufactured by Eaton - Electronics Division, rated for 1.9 A continuous current with a maximum DC resistance of 270 mOhm. This surface mount component features an iron powder core and operates across the temperature range of -55°C to 125°C. The part is actively produced and widely available in inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across critical parameters including inductance value, current rating, DC resistance, shielding characteristics, and mounting specifications. Alternative sources provide design flexibility, supply chain redundancy, and component availability optimization.

Substiute Parts

HCM0503-220-R

Eaton - Electronics DivisionIn Stock: 2607HCM0503-220-R Datasheet

Current PartRFQ

IHLP2020CZER220M11

Vishay DaleIn Stock: 16229IHLP2020CZER220M11 Datasheet

DirectRFQ

PA4340.223NLT

Pulse ElectronicsIn Stock: 100401PA4340.223NLT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HCM0503-220-R is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Inductance value of 22 µH at 100 kHz test frequency
• Inductance tolerance of ±20%
• Current rating of 1.9 A minimum
• DC resistance not exceeding 270 mOhm maximum
• Shielded construction to maintain electromagnetic isolation

Mechanical Equivalence Requirements:

• Surface mount package configuration
• Nonstandard package case classification
• Height seated maximum of 0.118" (3.00 mm)
• Operating temperature range spanning -55°C to 125°C minimum

Compliance Requirements:

• ROHS3 compliance
• Moisture Sensitivity Level 1 (Unlimited)
• REACH Unaffected status
• EAR99 export classification

The substitute parts IHLP2020CZER220M11 and PA4340.223NLT satisfy all mandatory electrical and mechanical parameters while maintaining full regulatory compliance. Variations in core material composition, saturation current specifications, and physical footprint dimensions remain within acceptable substitution boundaries when the primary functional parameters are equivalent.

Parameter Comparison

Engineering Selection Recommendations

HCM0503-220-R (Eaton - Electronics Division)

Primary selection for applications requiring iron powder core construction with extended low-temperature operation to -55°C. Maintains full saturation current specification of 1.9 A across the complete operating range. Packaged in Tape & Reel format. Actively produced with substantial inventory availability (2,588 units).

IHLP2020CZER220M11 (Vishay Dale)

Direct substitute for applications where molded inductor construction is acceptable. Equivalent electrical performance with identical DC resistance specification of 270 mOhm maximum. Maintains -55°C lower temperature limit. Packaged in Cut Tape & Digi-Reel format. Higher inventory availability (16,138 units) supports extended procurement windows. Self-resonant frequency specification of 10 MHz provided.

PA4340.223NLT (Pulse Electronics)

Substitute for applications where improved DC resistance performance (250 mOhm maximum) is beneficial. Molded construction with AEC-Q200 automotive qualification. Operating temperature range limited to -40°C minimum; suitable for applications not requiring extended low-temperature operation. Packaged in Tape & Reel format. Largest inventory availability (100,335 units) supports high-volume procurement. Slightly larger physical footprint (6.00 mm × 5.40 mm) requires PCB layout verification.

All three parts maintain ROHS3 compliance, unlimited moisture sensitivity rating, and REACH unaffected status. Selection between alternatives depends on specific application requirements for core material type, temperature range, DC resistance tolerance, and physical dimensions.

Frequently Asked Questions (FAQ)

Q: Can IHLP2020CZER220M11 replace HCM0503-220-R in all applications?

A: IHLP2020CZER220M11 provides electrical equivalence across inductance, current rating, and DC resistance specifications. The primary difference is core material composition (molded versus iron powder). Both parts maintain identical operating temperature range (-55°C to 125°C), shielding characteristics, and height specifications. Physical footprint dimensions differ slightly (5.49 mm × 5.18 mm versus 5.15 mm × 5.10 mm); PCB layout verification is required to confirm fit within existing component placement constraints.

Q: What is the significance of the saturation current difference between HCM0503-220-R (1.9 A) and the substitute parts (1.7 A)?

A: Saturation current represents the current level at which the inductor begins to lose inductance due to core saturation. The HCM0503-220-R maintains full saturation current specification equal to its continuous current rating (1.9 A). Substitute parts IHLP2020CZER220M11 and PA4340.223NLT specify 1.7 A saturation current. For applications operating at continuous currents below 1.7 A, this difference is not functionally significant. Applications requiring operation at currents between 1.7 A and 1.9 A should retain the HCM0503-220-R.

Q: Is PA4340.223NLT suitable for applications requiring -55°C operation?

A: PA4340.223NLT specifies an operating temperature range of -40°C to 125°C. Applications requiring operation at temperatures below -40°C must use either HCM0503-220-R or IHLP2020CZER220M11, both of which support -55°C minimum operation. Verify application temperature requirements before selecting PA4340.223NLT.

Q: What packaging format differences exist between these parts?

A: HCM0503-220-R is supplied in Tape & Reel (TR) format. IHLP2020CZER220M11 is supplied in Cut Tape (CT) & Digi-Reel format. PA4340.223NLT is supplied in Tape & Reel (TR) format. Packaging format affects component handling, automated placement compatibility, and procurement logistics. Verify that selected packaging format is compatible with assembly equipment and procurement workflows.

Q: Does PA4340.223NLT's improved DC resistance (250 mOhm versus 270 mOhm) provide functional advantages?

A: PA4340.223NLT specifies a maximum DC resistance of 250 mOhm, compared to 270 mOhm for HCM0503-220-R and IHLP2020CZER220M11. Lower DC resistance reduces resistive losses and heat generation during operation. For applications sensitive to inductor losses or thermal performance, PA4340.223NLT provides measurable improvement. The 20 mOhm difference represents approximately 7.4% lower resistance, resulting in proportionally reduced power dissipation.

Q: Are all three parts compliant with current regulatory requirements?

A: All three parts maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. PA4340.223NLT additionally carries AEC-Q200 automotive qualification. Selection based on regulatory compliance alone does not differentiate between these parts; all meet current environmental and safety standards.

Q: What is the impact of physical dimension differences on PCB design?

A: HCM0503-220-R measures 5.15 mm × 5.10 mm. IHLP2020CZER220M11 measures 5.49 mm × 5.18 mm. PA4340.223NLT measures 6.00 mm × 5.40 mm. All three maintain identical height of 3.00 mm maximum. Larger footprints may conflict with existing PCB component placement patterns. Verify available board space and component clearance requirements before substituting with larger alternatives.