M5KP64AE3 Equivalent & Substitute Parts

Part Overview

The M5KP64AE3 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This through-hole component operates with a 64V reverse standoff voltage and provides 5000W peak pulse power dissipation capability. The part is currently in active production status with military-grade qualification per MIL-PRF-19500. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring identical electrical and mechanical performance characteristics.

Substiute Parts

M5KP64AE3

Microchip TechnologyIn Stock: 850M5KP64AE3 Datasheet

Current PartRFQ

5KP64A

Diotec SemiconductorIn Stock: 384715KP64A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the M5KP64AE3 are identified based on electrical parameter equivalence across the following critical specifications:

Electrical Equivalence Criteria:

• Voltage - Reverse Standoff (Typ): 64V
• Voltage - Breakdown (Min): 71.1V
• Voltage - Clamping (Max) @ Ipp: 103V
• Current - Peak Pulse (10/1000µs): 49A
• Power - Peak Pulse: 5000W
• Type: Zener, Unidirectional (1 channel)
• Applications: General Purpose

Mechanical Equivalence Criteria:

• Mounting Type: Through Hole
• Package Style: Axial configuration

The 5KP64A from Diotec Semiconductor meets all electrical parameter requirements and maintains through-hole axial mounting compatibility. Substitution is valid where these parameters are matched, enabling direct functional replacement in circuit designs without modification to protection characteristics or board layout.

Parameter Comparison

Engineering Selection Recommendations

M5KP64AE3 (Microchip Technology):

• Primary selection for applications requiring military-grade qualification per MIL-PRF-19500
• Specified for designs with military or aerospace compliance requirements
• Operating temperature range: -65°C to 150°C
• RoHS non-compliant status; suitable for legacy or non-RoHS-restricted applications
• Current inventory: 832 pcs

5KP64A (Diotec Semiconductor):

• Functionally equivalent substitute for general-purpose applications without military qualification requirements
• Extended upper operating temperature limit: 175°C (versus 150°C for M5KP64AE3)
• Suitable for commercial and industrial applications
• RoHS status not applicable; REACH status vendor undefined
• Significantly higher inventory availability: 38,400 pcs
• Axial package configuration (P600) maintains through-hole compatibility

Selection between these parts depends on compliance requirements and operating environment specifications. Both parts deliver identical electrical protection performance for the specified 64V protection class.

Frequently Asked Questions (FAQ)

Q: Can the 5KP64A directly replace the M5KP64AE3 in all applications?

A: The 5KP64A provides electrical and mechanical equivalence for general-purpose overvoltage protection. However, applications requiring military-grade qualification per MIL-PRF-19500 must use the M5KP64AE3. Verify compliance requirements before substitution.

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

A: Both are axial through-hole packages for TVS diodes. DO-204AR is the Microchip designation; P600 is the Diotec designation. Both packages are mechanically compatible with standard through-hole PCB layouts and provide equivalent lead spacing and mounting characteristics.

Q: Are there temperature range differences between these parts?

A: Yes. The M5KP64AE3 operates from -65°C to 150°C, while the 5KP64A operates from -50°C to 175°C. For applications requiring operation below -50°C, the M5KP64AE3 is required. For applications requiring operation above 150°C, the 5KP64A is required.

Q: Do these parts have identical electrical protection characteristics?

A: Yes. Both parts share identical specifications for reverse standoff voltage (64V), breakdown voltage (71.1V), clamping voltage (103V), peak pulse current (49A), and peak pulse power (5000W). Protection performance is equivalent.

Q: What is the inventory status for each part?

A: M5KP64AE3 has 832 pcs in stock. 5KP64A has 38,400 pcs in stock. The 5KP64A offers significantly higher availability for immediate procurement.

Q: Are there RoHS compliance differences?

A: Yes. The M5KP64AE3 is RoHS non-compliant. The 5KP64A has RoHS status listed as not applicable. Verify RoHS requirements for your application before selection.