MP6KE10AE3 Equivalent & Substitute Parts

Part Overview

The MP6KE10AE3 is an active-status Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology. This unidirectional zener-type device is designed for general-purpose transient voltage suppression applications in through-hole configurations. The part operates across a junction temperature range of -65°C to 150°C and carries military-grade qualification under MIL-PRF-19500. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative packaging configurations are required.

Substiute Parts

MP6KE10AE3

Microchip TechnologyIn Stock: 767MP6KE10AE3 Datasheet

Current PartRFQ

P6KE10A

Fairchild SemiconductorIn Stock: 5025P6KE10A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MP6KE10AE3 is determined by electrical and mechanical parameter alignment within the Transient Voltage Suppressor category. The critical substitution criteria are:

Electrical Parameters:

• Voltage - Reverse Standoff (Typ): 8.5V to 8.55V
• Voltage - Breakdown (Min): 9.5V (exact match required)
• Voltage - Clamping (Max) @ Ipp: 14.5V (exact match required)
• Current - Peak Pulse (10/1000µs): ≥41A
• Power - Peak Pulse: 600W (exact match required)
• Type: Zener, Unidirectional

Mechanical Parameters:

• Mounting Type: Through Hole
• Package / Case: Axial configuration (T-18 or DO-15 acceptable)

The P6KE10A from Fairchild Semiconductor meets these substitution criteria with compatible electrical ratings and through-hole axial packaging, though in a different package form factor (DO-15 vs. T-18).

Parameter Comparison

Engineering Selection Recommendations

Primary Part: MP6KE10AE3

The MP6KE10AE3 is the specified component with active product status and military-grade qualification under MIL-PRF-19500. This part is recommended for applications requiring military-grade compliance and the T-18 package form factor. Current inventory of 732 pieces supports immediate procurement.

Substitute Part: P6KE10A

The P6KE10A from Fairchild Semiconductor is an active-status substitute suitable for applications where the DO-15 package form factor is acceptable. This part meets all critical electrical parameters with equal or superior ratings (43A peak pulse current vs. 41A, and extended operating temperature range to 175°C). The P6KE10A does not carry military-grade qualification; selection of this substitute should be limited to applications where MIL-PRF-19500 compliance is not required. Inventory availability of 4948 pieces provides extended procurement flexibility.

Selection Criteria:

• Use MP6KE10AE3 when military-grade qualification (MIL-PRF-19500) is mandatory or when T-18 package form factor is required by board layout.
• Use P6KE10A when military qualification is not required, DO-15 package compatibility exists, and extended temperature range (-50°C to 175°C) provides operational advantage.

Frequently Asked Questions (FAQ)

Q: Can the P6KE10A be used as a direct replacement for the MP6KE10AE3 in all applications?

A: The P6KE10A is electrically compatible and meets all critical voltage and power parameters. However, it differs in two aspects: (1) package form factor (DO-15 vs. T-18), which may require PCB layout modification, and (2) absence of military-grade qualification. Use P6KE10A only in applications where these differences are acceptable.

Q: What is the significance of the different package designations (T-18 vs. DO-15)?

A: T-18 and DO-15 are both axial through-hole packages but have different physical dimensions and lead spacing. PCB footprints designed for one package may not accommodate the other without modification. Verify board layout compatibility before substitution.

Q: Are the voltage ratings of both parts truly equivalent?

A: The critical voltage parameters are equivalent: both parts have 9.5V minimum breakdown voltage and 14.5V maximum clamping voltage. The reverse standoff voltage differs slightly (8.55V vs. 8.5V), which is within acceptable tolerance for general-purpose transient suppression applications.

Q: Does the higher peak pulse current rating of the P6KE10A (43A vs. 41A) provide any advantage?

A: The P6KE10A's 43A rating exceeds the MP6KE10AE3's 41A specification. This provides additional margin for transient current handling but does not change the fundamental application suitability. Both parts are rated for 600W peak pulse power.

Q: What compliance considerations apply to each part?

A: The MP6KE10AE3 carries military-grade qualification (MIL-PRF-19500) and is RoHS non-compliant. The P6KE10A does not list military qualification. Both parts are REACH Unaffected and classified as EAR99 for export control purposes. Verify compliance requirements for your specific application before selection.

Q: Can both parts be used interchangeably in inventory management?

A: Both parts are active-status components with compatible electrical specifications. However, inventory interchangeability depends on application requirements. If military qualification is mandatory across your product line, maintain separate inventory. If applications permit either part, consolidated inventory of the P6KE10A (higher stock availability) may reduce overall procurement costs.