MP6KE180AE3 Equivalent & Substitute Parts

Part Overview

The MP6KE180AE3 is an active Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This unidirectional zener-type TVS diode operates with a reverse standoff voltage of 154V and provides clamping protection at 246V with a peak pulse current rating of 2.4A. The device is housed in a T-18 axial through-hole package and is qualified to MIL-PRF-19500 military standards. Substitute parts are identified to provide equivalent electrical performance and functional compatibility for applications requiring component alternatives due to inventory availability, supply chain considerations, or design flexibility.

Substiute Parts

MP6KE180AE3

Microchip TechnologyIn Stock: 1161MP6KE180AE3 Datasheet

Current PartRFQ

P6KE180A

Fairchild SemiconductorIn Stock: 3866P6KE180A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP6KE180AE3 are identified based on electrical parameter equivalence within the following critical specifications:

• Voltage Rating Match: Reverse standoff voltage of 154V, breakdown voltage minimum of 171V, and clamping voltage maximum of 246V
• Current Capacity: Peak pulse current rating of 2.4A or higher
• Power Dissipation: Peak pulse power rating of 600W
• Device Type: Unidirectional zener-type TVS diode
• Mounting Configuration: Through-hole axial package format
• Application Class: General-purpose transient voltage suppression

The P6KE180A from Fairchild Semiconductor meets these electrical equivalence criteria with identical voltage ratings and compatible current/power specifications. Package variations between T-18 and DO-15 (DO-204AC) formats are both axial through-hole configurations suitable for equivalent circuit board integration.

Parameter Comparison

Engineering Selection Recommendations

MP6KE180AE3 (Microchip Technology)

Select this part for applications requiring MIL-PRF-19500 military qualification and grade certification. The device maintains active product status with established supply availability (1143 pcs in stock). The T-18 package provides a standard axial through-hole form factor. Operating temperature range extends to -65°C minimum, suitable for extended cold-temperature environments. RoHS non-compliance status should be verified against specific application requirements.

P6KE180A (Fairchild Semiconductor)

This substitute provides electrical equivalence with identical voltage and power specifications. The peak pulse current rating of 2.5A exceeds the main part specification, providing additional margin. The DO-15 (DO-204AC) package is a standard axial through-hole configuration compatible with T-18 footprints in most circuit board designs. Extended upper operating temperature range to 175°C accommodates higher thermal environments. Higher inventory availability (3832 pcs in stock) supports supply chain flexibility. Product status is active with no military qualification designation.

Both parts are classified under ECCN EAR99 and HTSUS 8541.10.0080 for regulatory purposes.

Frequently Asked Questions (FAQ)

Q: Can the P6KE180A directly replace the MP6KE180AE3 in existing designs?

A: Yes, electrical substitution is valid. Both devices share identical voltage ratings (154V standoff, 171V breakdown, 246V clamping) and equivalent power specifications (600W peak pulse). The P6KE180A peak pulse current of 2.5A exceeds the 2.4A requirement. Package differences (DO-15 versus T-18) are both axial through-hole formats with compatible lead spacing for standard circuit board layouts. Verify mechanical fit and thermal management requirements for your specific application.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: (1) Reverse standoff voltage of 154V, (2) Breakdown voltage minimum of 171V, (3) Clamping voltage maximum of 246V, (4) Peak pulse current rating of 2.4A or higher, (5) Peak pulse power rating of 600W, (6) Unidirectional zener-type configuration, and (7) Through-hole axial mounting. Deviations in any of these parameters indicate incompatibility.

Q: Are there temperature range differences between these parts?

A: Yes. The MP6KE180AE3 operates from -65°C to 150°C junction temperature, while the P6KE180A operates from -50°C to 175°C. The P6KE180A provides extended upper temperature capability. If your application requires operation below -50°C, the MP6KE180AE3 is required. For applications above 150°C, the P6KE180A is necessary.

Q: What is the difference between T-18 and DO-15 packages?

A: Both T-18 and DO-15 (DO-204AC) are axial through-hole package formats for diodes. T-18 is a Microchip designation, while DO-15 is the industry-standard JEDEC designation. Both provide equivalent lead spacing and through-hole mounting compatibility. Physical dimensions may vary slightly; verify against your circuit board layout specifications.

Q: Does military qualification affect substitution decisions?

A: The MP6KE180AE3 carries MIL-PRF-19500 military qualification and grade designation. The P6KE180A does not carry military qualification. If your application requires military-grade components or MIL-PRF-19500 compliance, the MP6KE180AE3 is mandatory. For commercial and industrial applications without military requirements, both parts are functionally equivalent.

Q: What inventory considerations apply to these parts?

A: The MP6KE180AE3 has 1143 pieces in stock, while the P6KE180A has 3832 pieces available. Higher P6KE180A inventory may provide supply chain advantages for high-volume production or rapid procurement scenarios. Verify current inventory status with your supplier for time-sensitive applications.