EPS24 Equivalent & Substitute Parts

Part Overview

The EPS24 is an active, unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology. This through-hole component provides transient overvoltage protection in general-purpose applications with a 24V reverse standoff voltage and 43.2V maximum clamping voltage at peak pulse current. The EPS24 is supplied in bulk packaging with 804 pieces currently in stock.

Equivalent and substitute parts are identified when alternative TVS diodes meet the functional requirements of the application while maintaining compatibility with circuit design parameters and physical mounting constraints.

Substiute Parts

EPS24

Microchip TechnologyIn Stock: 883EPS24 Datasheet

Current PartRFQ

1.5KE30A

Taiwan Semiconductor CorporationIn Stock: 303061.5KE30A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EPS24 is determined by the following critical parameters:

Voltage Parameters: The reverse standoff voltage, breakdown voltage minimum, and clamping voltage establish the protection threshold. Substitute parts must operate within compatible voltage ranges to provide equivalent overvoltage suppression.

Current and Power Ratings: Peak pulse current capacity and peak pulse power dissipation define the transient energy handling capability. Substitute parts must support the application's transient current and energy requirements.

Thermal Operating Range: The junction temperature range determines operational reliability across environmental conditions.

Mounting and Package Configuration: Through-hole axial packages ensure mechanical compatibility with printed circuit board layouts and assembly processes.

Unidirectional Channel Configuration: Single-channel unidirectional operation specifies the protection polarity requirement.

The 1.5KE30A meets these substitution criteria through compatible voltage and current specifications within the allowed parameter ranges for this TVS diode category.

Parameter Comparison

Engineering Selection Recommendations

EPS24 (Primary Component)

The EPS24 remains the primary selection when the specified A, Axial package configuration is required and the 1000W peak pulse power rating is sufficient for the application. Both components carry Active product status and are REACH Unaffected with identical ECCN and HTSUS classifications.

1.5KE30A (Substitute Component)

The 1.5KE30A is a qualified substitute when higher peak pulse current capacity (38A versus 22A) and increased power dissipation (1500W versus 1000W) are beneficial to the application. The 1.5KE30A operates within a narrower low-temperature range (-55°C minimum versus -65°C minimum) but maintains the 175°C maximum junction temperature. The DO-201 package configuration differs from the EPS24 A, Axial package; physical board layout compatibility must be verified for through-hole mounting.

Both components are Active products with identical regulatory compliance status (REACH Unaffected, EAR99, HTSUS 8541.10.0080).

Frequently Asked Questions (FAQ)

Q: What determines whether the 1.5KE30A can substitute for the EPS24?

A: Substitution is valid when the application circuit can tolerate the voltage parameter differences (reverse standoff 25.6V versus 24V, clamping voltage 41.4V versus 43.2V) and the physical package footprint accommodates the DO-201 configuration. Both components provide unidirectional TVS protection with compatible breakdown voltages and general-purpose application suitability.

Q: Are there package compatibility concerns between EPS24 and 1.5KE30A?

A: Yes. The EPS24 uses an A, Axial package while the 1.5KE30A uses a DO-201 package. Both are through-hole axial configurations, but physical dimensions and board layout spacing differ. Verify printed circuit board hole spacing and component clearance before substitution.

Q: Does the 1.5KE30A provide better transient protection than the EPS24?

A: The 1.5KE30A offers higher peak pulse current capacity (38A versus 22A) and greater peak pulse power dissipation (1500W versus 1000W). Selection depends on the specific transient energy levels in the application circuit. The clamping voltage of the 1.5KE30A (41.4V) is lower than the EPS24 (43.2V), providing slightly tighter voltage clamping.

Q: What is the temperature operating range difference between these components?

A: The EPS24 operates from -65°C to 175°C junction temperature, while the 1.5KE30A operates from -55°C to 175°C. The EPS24 supports 10°C lower minimum temperature operation. Both maintain identical 175°C maximum junction temperature.

Q: Are both components compliant with current regulatory requirements?

A: Yes. Both the EPS24 and 1.5KE30A are Active products with REACH Unaffected status, EAR99 ECCN classification, and identical HTSUS code 8541.10.0080. Both meet current regulatory compliance for transient voltage suppressor diodes.

Q: Can the 1.5KE30A be used in applications where the EPS24 is currently specified?

A: Substitution is valid when circuit design parameters accommodate the voltage and current rating differences and the physical package footprint is compatible with the printed circuit board layout. Verify all electrical parameters and mechanical constraints before implementation.