MLCE60AE3 Equivalent & Substitute Parts

Part Overview

The MLCE60AE3 is a unidirectional Zener-type transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose transient protection applications. This through-hole component operates across a temperature range of -65°C to 150°C and is qualified to MIL-PRF-19500 military standards. The part is currently active in production with 1052 units in stock. Equivalent and substitute parts are identified to provide alternative sourcing options when the primary part is unavailable, when alternative packaging formats are required, or when compliance requirements differ.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	60	V
Voltage - Breakdown (Min)	66.7	V
Voltage - Clamping (Max) @ Ipp	96.8	V
Current - Peak Pulse (10/1000µs)	15.5	A
Power - Peak Pulse	1500	W
Capacitance @ 1MHz	90	pF
Operating Temperature Range	-65 to 150	°C
Mounting Type	Through Hole	—
Package / Case	DO-201AA, DO-27, Axial	—
Type	Zener	—
Unidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution of the MLCE60AE3 is determined by electrical parameter equivalence and mechanical compatibility. The critical parameters that define substitutability are:

Voltage - Reverse Standoff (Typ): 60V
Voltage - Clamping (Max) @ Ipp: 96.8V
Current - Peak Pulse (10/1000µs): 15.5A
Power - Peak Pulse: 1500W
Mounting Type: Through Hole
Package / Case: DO-201AA, DO-27, Axial
Unidirectional Channels: 1
Type: Zener

The LCE60A from Littelfuse Inc. meets all electrical parameter requirements and maintains identical mechanical compatibility through the same through-hole axial package format. Both parts are classified as active products with unidirectional Zener-type TVS diodes suitable for general-purpose applications.

Parameter Comparison

Parameter	MLCE60AE3 (Microchip)	LCE60A (Littelfuse)	Match Status
Voltage - Reverse Standoff (Typ)	60V	60V	Equivalent
Voltage - Breakdown (Min)	66.7V	66.7V	Equivalent
Voltage - Clamping (Max) @ Ipp	96.8V	96.8V	Equivalent
Current - Peak Pulse (10/1000µs)	15.5A	15.5A	Equivalent
Power - Peak Pulse	1500W	1500W	Equivalent
Operating Temperature Range	-65°C to 150°C	-65°C to 175°C	LCE60A Extended
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	DO-201AA, DO-27, Axial	DO-201AA, DO-27, Axial	Equivalent
Type	Zener	Zener	Equivalent
Unidirectional Channels	1	1	Equivalent
RoHS Status	RoHS Non-Compliant	RoHS3 Compliant	Different
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

MLCE60AE3 (Microchip Technology)

Select this part when military-grade qualification to MIL-PRF-19500 is a contractual or design requirement. The MLCE60AE3 is suitable for applications requiring military-standard compliance and operates within the -65°C to 150°C temperature range. This part is non-RoHS compliant and is available in bulk packaging.

LCE60A (Littelfuse Inc.)

Select this part when RoHS3 compliance is required or when extended operating temperature capability to 175°C is necessary. The LCE60A provides identical electrical performance and mechanical compatibility while offering improved environmental compliance. This part is available in cut tape packaging and maintains active product status.

Both parts are suitable for general-purpose transient voltage suppression applications with equivalent electrical performance. Selection between them depends on compliance requirements and packaging format needs rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the LCE60A directly replace the MLCE60AE3 in existing designs?

A: Yes. The LCE60A provides electrical equivalence across all critical parameters: 60V reverse standoff voltage, 96.8V clamping voltage, and 15.5A peak pulse current. Both parts use identical through-hole axial package formats (DO-201AA, DO-27). The primary difference is RoHS compliance status and operating temperature range extension.

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

A: The MLCE60AE3 operates from -65°C to 150°C, while the LCE60A extends to 175°C. For applications operating within the -65°C to 150°C range, both parts are functionally equivalent. Applications requiring operation above 150°C require the LCE60A.

Q: Does the packaging format differ between these parts?

A: Both parts use through-hole axial mounting with DO-201AA and DO-27 package formats. The MLCE60AE3 is supplied in bulk packaging, while the LCE60A is supplied in cut tape packaging. Physical component dimensions and PCB footprints are identical.

Q: What is the significance of RoHS compliance differences?

A: The MLCE60AE3 is RoHS non-compliant, while the LCE60A is RoHS3 compliant. RoHS compliance is required for products sold into markets with environmental regulations restricting hazardous substances. Design requirements and regulatory obligations determine which compliance status is necessary.

Q: Are both parts qualified to the same military standards?

A: The MLCE60AE3 is qualified to MIL-PRF-19500 military standards. The LCE60A does not list military qualification in the provided specifications. Applications requiring military-grade qualification must use the MLCE60AE3.

Q: What are the electrical performance differences between these parts?

A: There are no electrical performance differences. Both parts are Zener-type unidirectional TVS diodes with identical voltage ratings (60V standoff, 96.8V clamping), current ratings (15.5A peak pulse), and power dissipation (1500W peak pulse).

Q: Can these parts be used interchangeably in high-temperature applications?

A: For applications operating between -65°C and 150°C, both parts are interchangeable. For applications requiring operation above 150°C, only the LCE60A is suitable due to its 175°C maximum operating temperature.

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