M5KP7.0AE3 Equivalent & Substitute Parts

Part Overview

The M5KP7.0AE3 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This component features a 7V reverse standoff voltage with a 12V maximum clamping voltage and 417A peak pulse current capability in a through-hole DO-204AR axial package. The device is classified as active product status and carries military-grade qualification under MIL-PRF-19500. Equivalent and substitute parts are identified to address inventory availability, packaging preferences, compliance requirements, or operational temperature range considerations while maintaining electrical and mechanical compatibility.

Substiute Parts

M5KP7.0AE3

Microchip TechnologyIn Stock: 1245M5KP7.0AE3 Datasheet

Current PartRFQ

5KP7.0A

Littelfuse Inc.In Stock: 32705KP7.0A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the M5KP7.0AE3 is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Voltage - Reverse Standoff (Typ): 7V
• Voltage - Breakdown (Min): 7.78V
• Voltage - Clamping (Max) @ Ipp: 12V
• Current - Peak Pulse (10/1000µs): ≥417A
• Power - Peak Pulse: 5000W (5kW)
• Type: Zener, Unidirectional (1 channel)

Mechanical Equivalence Criteria:

• Mounting Type: Through Hole
• Package / Case: Axial configuration compatible with DO-204AR footprint

Acceptable Variations:

• Operating Temperature Range: Extended ranges are acceptable
• Packaging Format: Bulk, Cut Tape, or alternative through-hole packaging
• RoHS Compliance: Substitutes may differ in compliance status
• Supplier Device Package: Alternative axial package designations acceptable if footprint-compatible

The substitute part 5KP7.0A (Littelfuse Inc.) meets all electrical and mechanical equivalence criteria and is classified as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

M5KP7.0AE3 (Microchip Technology):

• Primary selection for applications requiring military-grade qualification (MIL-PRF-19500)
• Specified for systems with strict military or aerospace compliance mandates
• Operating temperature range: -65°C to 150°C
• RoHS non-compliant; suitable for legacy or non-regulated applications
• Packaging: Bulk format

5KP7.0A (Littelfuse Inc.):

• Direct electrical and mechanical substitute with enhanced specifications
• Peak pulse current rating of 425A exceeds the 417A requirement
• Extended operating temperature range: -55°C to 175°C provides thermal margin
• RoHS3 compliant; suitable for commercial and regulated applications
• REACH Affected status; verify compliance requirements for end application
• Packaging: Cut Tape format supports automated assembly workflows
• Higher inventory availability (3200 pcs vs. 1158 pcs)

Selection between these parts depends on compliance requirements (military vs. commercial), packaging format preference, and thermal operating envelope. Both parts satisfy the core electrical and mechanical substitution criteria.

Frequently Asked Questions (FAQ)

Q: Can the 5KP7.0A (Littelfuse) directly replace the M5KP7.0AE3 (Microchip) in existing designs?

A: Yes. Both parts are electrically equivalent across all critical parameters: 7V reverse standoff voltage, 7.78V minimum breakdown voltage, 12V maximum clamping voltage, and 5000W peak pulse power. The 5KP7.0A provides a higher peak pulse current rating (425A vs. 417A), which is compatible with the application. Both are through-hole axial devices suitable for the same PCB footprint.

Q: What is the difference between DO-204AR and P600 packages?

A: Both designations refer to through-hole axial package configurations. DO-204AR is the JEDEC standard designation used by Microchip; P600 is the Littelfuse equivalent designation. These packages are mechanically and electrically compatible for board-level substitution.

Q: Does the extended operating temperature range of the 5KP7.0A affect substitution suitability?

A: No. The 5KP7.0A operating range of -55°C to 175°C encompasses the M5KP7.0AE3 range of -65°C to 150°C at the upper end. The extended upper temperature capability provides additional thermal margin and does not compromise compatibility. Applications operating within the original -65°C to 150°C window are fully supported.

Q: Are there compliance implications when substituting the M5KP7.0AE3 with the 5KP7.0A?

A: Yes. The M5KP7.0AE3 carries military-grade qualification (MIL-PRF-19500) and is RoHS non-compliant. The 5KP7.0A is RoHS3 compliant and REACH Affected. Applications with military specifications or legacy non-regulated requirements must retain the M5KP7.0AE3. Commercial and regulated applications may benefit from the 5KP7.0A compliance status.

Q: What is the inventory impact of substitution?

A: The 5KP7.0A has significantly higher stock availability (3200 pcs) compared to the M5KP7.0AE3 (1158 pcs). Substitution may reduce lead times and improve supply chain continuity for high-volume production.

Q: Does packaging format (Bulk vs. Cut Tape) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly processes. The M5KP7.0AE3 (Bulk) and 5KP7.0A (Cut Tape) are electrically and mechanically identical. Cut Tape format is optimized for automated pick-and-place assembly; Bulk format is suitable for manual assembly or reel-based systems.

Q: Can the 5KP7.0A be used in applications originally designed for the M5KP7.0AE3 without circuit redesign?

A: Yes. The 5KP7.0A meets or exceeds all electrical specifications and maintains mechanical compatibility. No circuit redesign is required. Compliance verification (military qualification, RoHS status) should be performed based on end-application requirements.