HCM1305-220-R Equivalent & Substitute Parts

Part Overview

The HCM1305-220-R is a 22 µH shielded drum core wirewound inductor manufactured by Eaton - Electronics Division. This surface mount component is rated for 6.2 A continuous current with a maximum DC resistance of 51.8 mOhm and operates across the temperature range of -55°C to 125°C. The part is RoHS3 compliant and carries an active product status with 6200 units currently in stock.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining functional compatibility in the target application circuit.

Substiute Parts

HCM1305-220-R

Eaton - Electronics DivisionIn Stock: 6250HCM1305-220-R Datasheet

Current PartRFQ

PA4343.223NLT

Pulse ElectronicsIn Stock: 2809PA4343.223NLT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HCM1305-220-R is determined by the following criteria:

Mandatory Matching Parameters:

• Inductance value: 22 µH (exact match required)
• Inductance tolerance: ±20% (standard tolerance band)
• Shielding: Shielded configuration
• Mounting type: Surface Mount
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Performance Parameters (Substitute Must Equal or Exceed):

• Current Rating: Substitute must support minimum 6.2 A continuous current
• DC Resistance: Substitute DCR must not exceed 51.8 mOhm to maintain thermal performance equivalence
• Operating Temperature Range: Substitute must cover the application temperature window

Physical Compatibility Parameters:

• Package classification: Nonstandard (physical dimensions must be verified for PCB layout compatibility)
• Inductance test frequency: 100 kHz (standard measurement condition)

The PA4343.223NLT meets all mandatory matching parameters and exceeds performance requirements in current rating and saturation current specifications.

Parameter Comparison

Engineering Selection Recommendations

PA4343.223NLT as Substitute for HCM1305-220-R:

The PA4343.223NLT is electrically compatible as a substitute when the following conditions are satisfied:

1. Current Performance: The substitute's 9 A continuous rating and 12 A saturation current exceed the original part's 6.2 A and 10 A specifications, providing operational margin in current-limited applications.

2. DC Resistance Advantage: The PA4343.223NLT's 37 mOhm maximum DCR is 29% lower than the HCM1305-220-R's 51.8 mOhm specification, resulting in reduced power dissipation and improved thermal efficiency.

3. Temperature Range Limitation: The substitute operates from -40°C to 125°C, which does not extend to the original part's -55°C minimum. Applications requiring operation below -40°C must retain the HCM1305-220-R.

4. Physical Footprint Verification: The substitute measures 14.00mm L x 12.80mm W x 6.50mm H (max), compared to the original 13.30mm L x 12.20mm W x 5.00mm H. PCB layout must accommodate the larger footprint and increased height clearance.

5. Regulatory Compliance: Both components are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity, ensuring equivalent handling and storage requirements.

6. Product Availability: Both components maintain active manufacturing status with current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the PA4343.223NLT replace the HCM1305-220-R in all applications?

A: Electrical substitution is valid for applications operating within -40°C to 125°C. Applications requiring -55°C minimum temperature operation must use the original HCM1305-220-R. Physical PCB layout must accommodate the substitute's larger dimensions (14.00mm L x 12.80mm W x 6.50mm H max).

Q: What is the significance of the lower DC resistance in the PA4343.223NLT?

A: The 37 mOhm maximum DCR versus 51.8 mOhm in the original part reduces I²R power losses by approximately 29% at rated current. This results in lower component temperature rise and improved thermal margin in the circuit.

Q: Are both parts suitable for automated PCB assembly?

A: Yes. Both components are surface mount devices supplied in Tape & Reel packaging, compatible with standard pick-and-place assembly equipment. Physical dimension differences must be verified against feeder specifications and PCB design files.

Q: Do the parts have identical inductance tolerance?

A: Yes. Both the HCM1305-220-R and PA4343.223NLT specify ±20% inductance tolerance, measured at 100 kHz. Circuit designs must account for this tolerance band in both cases.

Q: What is the core material difference between these inductors?

A: The HCM1305-220-R uses an iron powder drum core. The PA4343.223NLT core material is not specified in the provided data. Core material differences may affect frequency response characteristics outside the 100 kHz test condition.

Q: Are there any compliance or certification differences?

A: Both parts are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity. The PA4343.223NLT carries AEC-Q200 automotive qualification, which is not specified for the HCM1305-220-R. This additional qualification does not restrict use in non-automotive applications.

Q: What should be verified before implementing the PA4343.223NLT as a substitute?

A: Verify operating temperature range compatibility (minimum -40°C requirement), confirm PCB layout accommodates the larger physical dimensions and increased height, and validate that the lower DCR does not introduce unintended circuit behavior changes in current-limiting or impedance-matching applications.