MP6KE6.8CAE3 Equivalent & Substitute Parts

Part Overview

The MP6KE6.8CAE3 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This bidirectional Zener-type TVS diode features a 5.8V reverse standoff voltage and 10.5V maximum clamping voltage, with a peak pulse current rating of 57A and 600W peak pulse power dissipation. The device is housed in a T-18 axial through-hole package and is qualified to MIL-PRF-19500 military standards.

The MP6KE6.8CAE3 is currently in active production status. Equivalent substitute parts may be required due to supply chain constraints, packaging preferences, or compliance requirements specific to end-use applications.

Substiute Parts

MP6KE6.8CAE3

Microchip TechnologyIn Stock: 799MP6KE6.8CAE3 Datasheet

Current PartRFQ

P6KE6.8CA

Taiwan Semiconductor CorporationIn Stock: 30174P6KE6.8CA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MP6KE6.8CAE3 is determined by electrical and mechanical parameter compatibility within the TVS diode category. The following parameters establish substitution eligibility:

Critical Electrical Parameters:

• Voltage - Reverse Standoff (Typ): 5.8V
• Voltage - Clamping (Max) @ Ipp: 10.5V
• Current - Peak Pulse (10/1000µs): minimum 57A
• Power - Peak Pulse: 600W
• Type: Zener, Bidirectional

Mechanical Parameters:

• Mounting Type: Through Hole
• Bidirectional Channels: 1

Acceptable Variations:

• Package / Case: Alternative through-hole axial packages (T-18, DO-204AC/DO-15)
• Operating Temperature Range: Equal or extended range
• Voltage - Breakdown (Min): Within ±1% tolerance of 6.45V

The P6KE6.8CA manufactured by Taiwan Semiconductor Corporation qualifies as an equivalent substitute based on matching critical electrical parameters and through-hole axial mounting configuration.

Parameter Comparison

Engineering Selection Recommendations

MP6KE6.8CAE3 (Microchip Technology):

• Military-grade qualification per MIL-PRF-19500
• Operating temperature range: -65°C to 150°C
• RoHS non-compliant
• T-18 axial package
• Recommended for applications requiring military qualification and extended low-temperature operation

P6KE6.8CA (Taiwan Semiconductor Corporation):

• RoHS3 compliant
• Operating temperature range: -55°C to 175°C
• DO-204AC (DO-15) axial package
• Peak pulse current rating of 60A exceeds MP6KE6.8CAE3 specification
• Recommended for applications requiring RoHS compliance and extended high-temperature operation

Both parts are active products with equivalent electrical performance for general-purpose TVS applications. Selection between them depends on compliance requirements (military qualification versus RoHS compliance) and operating temperature constraints specific to the end application.

Frequently Asked Questions (FAQ)

Q: Can the P6KE6.8CA directly replace the MP6KE6.8CAE3 in existing designs?

A: Electrical substitution is valid based on matching voltage ratings (5.8V standoff, 10.5V clamping) and power dissipation (600W). However, the package differs: MP6KE6.8CAE3 uses T-18 while P6KE6.8CA uses DO-204AC (DO-15). Both are axial through-hole packages with similar physical dimensions. PCB layout verification is required to confirm mechanical compatibility.

Q: What is the difference between T-18 and DO-204AC (DO-15) packages?

A: Both are through-hole axial packages for TVS diodes. T-18 is the Microchip designation; DO-204AC (DO-15) is the industry standard designation used by Taiwan Semiconductor. Physical dimensions and lead spacing are equivalent, allowing direct PCB substitution in most applications.

Q: Does the higher peak pulse current rating (60A) of the P6KE6.8CA affect compatibility?

A: No. The P6KE6.8CA's 60A peak pulse current rating exceeds the MP6KE6.8CAE3 specification of 57A. This represents improved performance and does not compromise compatibility. The device will operate within design specifications for any application designed for the MP6KE6.8CAE3.

Q: Which part should be selected for military applications?

A: The MP6KE6.8CAE3 is qualified to MIL-PRF-19500 military standards. Applications requiring military qualification must use the MP6KE6.8CAE3. The P6KE6.8CA does not carry military qualification.

Q: Which part should be selected for RoHS-compliant applications?

A: The P6KE6.8CA is RoHS3 compliant. The MP6KE6.8CAE3 is RoHS non-compliant. Applications subject to RoHS requirements must use the P6KE6.8CA.

Q: Are there operating temperature constraints when substituting between these parts?

A: The MP6KE6.8CAE3 operates from -65°C to 150°C. The P6KE6.8CA operates from -55°C to 175°C. If the application requires operation below -55°C, the MP6KE6.8CAE3 is required. If operation above 150°C is required, the P6KE6.8CA is required.

Q: What is the moisture sensitivity level for both parts?

A: Both the MP6KE6.8CAE3 and P6KE6.8CA have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity constraints for storage or handling.