P6KE8V2CA-T Equivalent & Substitute Parts

Part Overview

The P6KE8V2CA-T is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, rated for 7.02V reverse standoff voltage with 12.1V maximum clamping voltage at 50A peak pulse current. This through-hole DO-15 package component is designed for general-purpose transient protection applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	7.02V
Voltage - Breakdown (Min)	7.79V
Voltage - Clamping (Max) @ Ipp	12.1V
Current - Peak Pulse (10/1000µs)	50A
Power - Peak Pulse	600W
Type	Zener
Bidirectional Channels	1
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature	-55°C ~ 175°C (TJ)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the P6KE8V2CA-T is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 7.02V ± tolerance
Voltage - Clamping (Max) @ Ipp: 12.1V ± tolerance
Current - Peak Pulse (10/1000µs): minimum 50A
Power - Peak Pulse: minimum 600W
Package / Case: DO-204AC (DO-15) or compatible axial through-hole
Type: Zener TVS diode, bidirectional, single channel
Mounting: Through-hole configuration

Substitute parts are grouped into two categories:

Direct Equivalents (Full Parameter Match): Parts meeting all critical electrical parameters with identical or superior current and power ratings, maintaining DO-15 package compatibility.

Functional Alternatives (Acceptable Deviations): Parts with slightly lower peak pulse current (down to 34A) or power ratings (down to 400W) where voltage parameters remain within acceptable tolerance, or parts with alternative package configurations (axial vs. DO-15).

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Package	Product Status
P6KE8V2CA-T	Diodes Incorporated	7.02V	12.1V	50A	600W	DO-15	Obsolete
P6KE8.2CA	Taiwan Semiconductor Corporation	7.02V	12.1V	52A	600W	DO-204AC (DO-15)	Active
P6KE8.2CA-AP	Micro Commercial Co	7.02V	12.1V	50A	600W	DO-15	Active
P6KE8.2CA-BP	Micro Commercial Co	7.02V	12.1V	50A	600W	DO-15	Active
P6KE8.2CAE3/TR13	Microsemi Corporation	7.02V	12.1V	50A	600W	Axial	Active
P4KE8.2CA	Taiwan Semiconductor Corporation	7.02V	12.1V	34A	400W	DO-204AL (DO-41)	Active
P6KE8.2CA-TP	Micro Commercial Co	7.02V	12.1V	50A	600W	DO-15	Active
P6KE8V2CA	Taiwan Semiconductor Corporation	7.02V	12.1V	50A	600W	DO-15	Active
SA7.0CA	onsemi	7V	12V	42.5A	500W	DO-204AC (DO-15)	Active
SA7.0CA-E3/54	Vishay General Semiconductor - Diodes Division	7V	12V	41.7A	500W	DO-204AC (DO-15)	Active
SA7.0CA-E3/73	Vishay General Semiconductor - Diodes Division	7V	12V	41.7A	500W	DO-204AC (DO-15)	Active

Engineering Selection Recommendations

Tier 1 - Direct Replacements (Recommended):

P6KE8V2CA (Taiwan Semiconductor Corporation) and P6KE8.2CA-TP (Micro Commercial Co) are the primary substitutes. Both maintain identical electrical specifications (7.02V standoff, 12.1V clamping, 50A peak pulse, 600W power) with DO-15 package compatibility. Both are ROHS3 compliant and carry active product status, ensuring long-term availability and supply chain stability.

Tier 2 - Equivalent Performance (Alternative):

P6KE8.2CA (Taiwan Semiconductor Corporation), P6KE8.2CA-AP, and P6KE8.2CA-BP (Micro Commercial Co) provide identical voltage and power specifications with marginally higher peak pulse current (52A or 50A). All maintain DO-15 package compatibility and active status. These parts are suitable where the enhanced current rating provides additional design margin.

Tier 3 - Functional Alternatives (Lower Power Applications):

SA7.0CA (onsemi), SA7.0CA-E3/54, and SA7.0CA-E3/73 (Vishay) operate at slightly lower voltage parameters (7V standoff, 12V clamping) with reduced peak pulse current (41.7A to 42.5A) and power (500W). These are suitable for applications where the lower current and power ratings are acceptable. All are ROHS3 compliant and active.

Tier 4 - Reduced Performance (Limited Use):

P4KE8.2CA (Taiwan Semiconductor Corporation) features reduced peak pulse current (34A) and power (400W) with DO-41 package configuration. This part is suitable only for lower-stress transient protection applications and requires package footprint verification.

Tier 5 - Alternative Package (Axial Configuration):

P6KE8.2CAE3/TR13 (Microsemi Corporation) maintains full electrical equivalence but uses axial through-hole packaging instead of DO-15. This part is suitable where axial lead configuration is acceptable or preferred.

All recommended substitutes carry ROHS3 compliance and active product status, ensuring regulatory alignment and procurement viability.

Frequently Asked Questions (FAQ)

Q: Can P6KE8.2CA replace P6KE8V2CA-T directly?

A: Yes. P6KE8.2CA maintains identical voltage parameters (7.02V standoff, 12.1V clamping) and current rating (52A peak pulse), with 600W power dissipation. The DO-15 package is compatible. Both are ROHS3 compliant.

Q: What is the difference between P6KE8.2CA-AP and P6KE8.2CA-BP?

A: Both parts are manufactured by Micro Commercial Co with identical electrical specifications (7.02V standoff, 12.1V clamping, 50A peak pulse, 600W power). The suffix designates different packaging or distribution channels. Both are suitable substitutes.

Q: Can SA7.0CA be used instead of P6KE8V2CA-T?

A: SA7.0CA is a functional alternative with slightly lower voltage parameters (7V standoff vs. 7.02V, 12V clamping vs. 12.1V) and reduced peak pulse current (42.5A vs. 50A) and power (500W vs. 600W). It is suitable for applications where these lower ratings provide adequate protection margin. Verify application requirements before selection.

Q: What is the significance of the packaging suffix (CA, CA-AP, CA-BP, CA-TP)?

A: Packaging suffixes indicate distribution format and tape configuration. CA-AP and CA-BP denote bulk packaging from Micro Commercial Co. CA-TP indicates cut tape packaging. All maintain identical electrical performance and DO-15 package compatibility.

Q: Why is P4KE8.2CA listed as a substitute if it has lower current and power ratings?

A: P4KE8.2CA is a functional alternative for applications where peak pulse current requirements are lower than 50A and power dissipation is below 600W. It maintains voltage parameters (7.02V standoff, 12.1V clamping) but uses DO-41 package. Verify application stress levels before selection.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended substitutes carry ROHS3 compliance status, ensuring regulatory alignment with current environmental standards.

Q: What is the difference between DO-15 and DO-41 packages?

A: DO-15 (DO-204AC) and DO-41 (DO-204AL) are both through-hole axial packages with different physical dimensions. DO-15 is the standard package for the P6KE8V2CA-T. P4KE8.2CA uses DO-41, which may require PCB footprint verification before substitution.

Q: Can axial package parts (P6KE8.2CAE3/TR13) be used on DO-15 footprints?

A: Axial packages have different lead spacing and footprint requirements than DO-15. Physical compatibility must be verified against PCB design before substitution.

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