Equivalent & Substitute Parts for LCE28A-E3/73

Part Overview

The Vishay General Semiconductor LCE28A-E3/73 is a Transient Voltage Suppressor (TVS) diode with a 28V reverse standoff voltage, 31.1V breakdown voltage, and 45.5V maximum clamping voltage. It supports a 33A peak pulse current and 1500W (1.5kW) peak pulse power. It is designed for general-purpose applications, features a through-hole DO-201AA/DO-27 axial package, and is RoHS3 compliant. The product is now classified as obsolete, making it essential to identify substitute or equivalent parts for continued production and maintenance.

Substiute Parts

LCE28A-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 778LCE28A-E3/73 Datasheet

Current PartRFQ

1.5KE33A

Good-Ark SemiconductorIn Stock: 348781.5KE33A Datasheet

MFR RecommendedRFQ

LCE28A

Littelfuse Inc.In Stock: 2122LCE28A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is determined strictly by matching essential parameters for Transient Voltage Suppressors (TVS) as listed. Required fields include: type (Zener), category, package/case, mounting type, unidirectional channel configuration, reverse standoff voltage, breakdown voltage, clamping voltage at Ipp, peak pulse current, peak pulse power, operating temperature, application, and RoHS status. Equivalent and substitute parts are those which fit these parameters as detailed in the datasheet and product specification.

Parameter Comparison

Engineering Selection Recommendations

The LCE28A-E3/73 is obsolete. Both the Good-Ark Semiconductor 1.5KE33A and the Littelfuse Inc. LCE28A are RoHS3 compliant, have catalog numbers listed as active, and meet the critical electrical and mechanical parameters for use as substitutes in the same category. The supplier's device package, unidirectional channel, application, and power ratings all align with the original part. Compliance details, including RoHS3 and REACH status, allow for direct replacement in compliant assemblies.

Frequently Asked Questions (FAQ)

Q1: What determines if a TVS diode is a suitable substitute for LCE28A-E3/73?
A1: A TVS diode must match type, package, mounting style, channel configuration, reverse standoff voltage, breakdown voltage, clamping voltage at defined test current, peak pulse current, pulse power rating, operating temperature, application, and RoHS status.

Q2: Are the alternate TVS diodes form, fit, and function compatible with LCE28A-E3/73?
A2: The substitute diodes use similar or equivalent DO-201/DO-27 axial through-hole packages and match all provided electrical characteristics.

Q3: Does RoHS3 compliance apply to all substitutes listed?
A3: All listed substitute TVS diodes are RoHS3 compliant per provided data.

Q4: Are there differences in maximum clamping voltage or current ratings?
A4: Substitute parts present negligible differences within the specified clamp voltage and current ranges, as detailed in the parameter comparison table.

Q5: Should mounting and package details be considered for substitution?
A5: Yes, mounting type and package/case details are consistent among listed substitutes and align with the original LCE28A-E3/73 part requirements.