HC44-4201SM Equivalent & Substitute Parts

Part Overview

The HC44-4201SM is a 42 µH shielded toroidal inductor manufactured by Gowanda Electronics, designed for surface mount applications requiring high current handling and low DC resistance. This component is classified as Active product status with 687 units in stock. Substitute parts may be required due to supply constraints, design optimization, or application-specific performance requirements where inductance values and current ratings align with circuit specifications.

Substiute Parts

HC44-4201SM

Gowanda ElectronicsIn Stock: 698HC44-4201SM Datasheet

Current PartRFQ

PE-53681NL

Pulse ElectronicsIn Stock: 1016PE-53681NL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HC44-4201SM is determined by the following critical parameters: inductance value, current rating capacity, DC resistance characteristics, mounting type, and physical package dimensions. The PE-53681NL is listed as a direct substitute; however, substitution requires verification of the following constraints:

Critical Parameters for Substitution:

• Inductance value must support circuit design requirements
• Current rating must meet or exceed application demands
• DC resistance must remain within acceptable limits for thermal and efficiency considerations
• Mounting type must be compatible with PCB layout (Surface Mount)
• Physical dimensions must fit within available board space
• Operating temperature range must encompass application environment

The PE-53681NL differs significantly in inductance value (2.5 µH versus 42 µH), which represents a fundamental circuit parameter change. This part is suitable only for applications where the lower inductance value is functionally equivalent or where circuit design permits inductance adjustment.

Parameter Comparison

Engineering Selection Recommendations

Selection between HC44-4201SM and PE-53681NL must be based on circuit inductance requirements and application constraints:

HC44-4201SM Selection Criteria:

• Applications requiring 42 µH inductance value
• Designs requiring shielded inductor characteristics for EMI mitigation
• Current demands up to 12.8 A
• Operating environment within -30°C to 130°C range
• Active product status with established supply availability

PE-53681NL Selection Criteria:

• Applications compatible with 2.5 µH inductance value
• Designs where unshielded inductors are acceptable
• Current demands up to 11.4 A
• Extended low-temperature operation (-40°C minimum)
• RoHS3 compliance requirement
• Slightly reduced height profile beneficial for space-constrained layouts

Both parts maintain identical DC resistance (5.4 mOhm Max) and MSL 1 rating. Physical dimensions are comparable with minimal variation. The primary differentiators are inductance value, shielding configuration, and regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Can PE-53681NL directly replace HC44-4201SM in any application?

A: Direct replacement is not universal. The PE-53681NL inductance value (2.5 µH) differs substantially from HC44-4201SM (42 µH). Substitution is valid only when circuit design permits the lower inductance value or when inductance adjustment is implemented through circuit modification.

Q: What is the impact of shielding differences between these parts?

A: HC44-4201SM is shielded, providing EMI containment and reduced radiated emissions. PE-53681NL is unshielded, which may increase electromagnetic interference in sensitive applications. Shielding selection depends on circuit EMI requirements and board layout considerations.

Q: Are the physical dimensions compatible for PCB layout?

A: Both parts are nonstandard package types with similar footprints. HC44-4201SM measures 16.89mm x 16.89mm with 10.16mm height; PE-53681NL measures 17.02mm x 17.02mm with 9.91mm height. Dimensional differences are minimal and typically accommodate the same PCB footprint, though verification with specific board layout is required.

Q: Which part meets regulatory compliance requirements?

A: PE-53681NL is ROHS3 compliant. HC44-4201SM RoHS status is listed as not applicable. For applications requiring RoHS3 certification, PE-53681NL is the compliant option.

Q: How do current ratings affect substitution decisions?

A: HC44-4201SM is rated for 12.8 A; PE-53681NL is rated for 11.4 A. If application current demand exceeds 11.4 A, PE-53681NL cannot be substituted. For applications requiring 11.4 A or less, PE-53681NL current rating is acceptable.

Q: What is the temperature operating range consideration?

A: HC44-4201SM operates from -30°C to 130°C. PE-53681NL operates from -40°C to 130°C. For applications requiring operation below -30°C, PE-53681NL provides extended low-temperature capability.