HCT-681 Equivalent & Substitute Parts Reference

Part Overview

The Delevan HCT-681 is a fixed, shielded toroidal power inductor with a 10.5 µH inductance, 13.2 A current rating, and 6.2 mOhm maximum DC resistance. The part is RoHS non-compliant, delivered in bulk packaging, and categorized as active status. Finding equivalent and substitute models is necessary for applications requiring supply resilience, regulatory compliance, or form-fit alternates, especially when RoHS compliance or supply chain continuity is critical.

Substiute Parts

HCT-681

DelevanIn Stock: 767HCT-681 Datasheet

Current PartRFQ

PE-53700NL

Pulse ElectronicsIn Stock: 1290PE-53700NL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitutes are grouped strictly based on the following allowed parameters: inductance, current rating, DC resistance, shielding, type, mounting type, size/dimensions, operating temperature, RoHS status, and package style. Only parts matching or appropriately corresponding to these parameters are included as substitutes.

Parameter Comparison

Engineering Selection Recommendations

Select PE-53700NL for applications requiring RoHS3 compliance and extended lower temperature performance. Retain HCT-681 when shielding and specified inductance are mandatory per the original application. Both parts have active status, similar package dimensions, and are available in bulk inventory.

Frequently Asked Questions (FAQ)

Q: What determines equivalence between HCT-681 and PE-53700NL?
A: Substitution is based on inductance, current rating, DCR, mounting type, physical size, package, operating temperature, and RoHS status.

Q: What are the main differences between HCT-681 and PE-53700NL?
A: HCT-681 is shielded and has double the inductance of PE-53700NL. PE-53700NL offers a higher current rating and is unshielded with RoHS3 compliance.

Q: Are both parts compatible in surface mount assembly processes?
A: Yes, both HCT-681 and PE-53700NL are designed for surface mount applications with nonstandard packages of similar size.

Q: What compliance considerations are relevant for substitution?
A: HCT-681 is RoHS non-compliant; PE-53700NL is RoHS3 compliant. Select based on regulatory requirements.

Q: How does package size affect interchangeability?
A: Both parts have nearly identical dimensions, maintaining mechanical compatibility for applications needing a nonstandard surface mount toroidal inductor.