P6KE62A-T Equivalent & Substitute Parts

Part Overview

The P6KE62A-T is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose transient voltage protection in through-hole applications. This component features a 53V reverse standoff voltage, 85V maximum clamping voltage, and 7.1A peak pulse current capability with 600W peak pulse power dissipation. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued system support and new designs.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	53V
Voltage - Breakdown (Min)	58.9V
Voltage - Clamping (Max) @ Ipp	85V
Current - Peak Pulse (10/1000µs)	7.1A
Power - Peak Pulse	600W
Type	Zener
Unidirectional Channels	1
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature	-55°C ~ 175°C (TJ)

Substitute Part Grouping Explanation

Substitution eligibility for the P6KE62A-T is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff: 53V (±tolerance)
Voltage - Breakdown (Min): 58.9V
Voltage - Clamping (Max) @ Ipp: 85V
Current - Peak Pulse (10/1000µs): 7.1A minimum
Power - Peak Pulse: 600W
Type: Unidirectional Zener diode
Mounting: Through Hole
Package compatibility: DO-15 or DO-204AC (equivalent designations)

Substitute parts are grouped into two categories based on product status and availability:

Category A - Active Direct Equivalents: Parts with identical electrical specifications and active product status, suitable for immediate replacement in new designs and legacy system support.

Category B - Active Variants with Minor Parameter Variance: Parts with marginally higher peak pulse current (7.2A–7.4A) that exceed minimum requirements while maintaining all other critical specifications. These are functionally compatible but represent performance enhancements rather than direct equivalents.

Parameter Comparison

Part Number	Manufacturer	Product Status	Vwm (Typ)	Vbr (Min)	Vc (Max)	Ipp (A)	Ppk (W)	Package	Temp Range
P6KE62A-T	Diodes Incorporated	Obsolete	53V	58.9V	85V	7.1A	600W	DO-15	-55°C ~ 175°C
P6KE62A-B	Littelfuse Inc.	Active	53V	58.9V	85V	7.2A	600W	DO-204AC	-55°C ~ 175°C
P6KE62A	Diotec Semiconductor	Active	53V	58.9V	85V	7.4A	600W	DO-15	-50°C ~ 175°C
P6KE62A-AP	Micro Commercial Co	Active	53V	58.9V	85V	7.1A	600W	DO-15	-55°C ~ 175°C
P6KE62A-BP	Micro Commercial Co	Active	53V	58.9V	85V	7.1A	600W	DO-15	-55°C ~ 175°C
P6KE62A-E3/54	Vishay General Semiconductor	Active	53V	58.9V	85V	7.1A	600W	DO-204AC	-55°C ~ 175°C
P6KE62A-TP	Micro Commercial Co	Active	53V	58.9V	85V	7.1A	600W	DO-15	-55°C ~ 175°C
P6KE62AHE3/54	Vishay General Semiconductor	Active	53V	58.9V	85V	7.1A	600W	DO-204AC	-55°C ~ 175°C
P6KE62AE3/TR13	Microsemi Corporation	Active	53V	58.9V	85V	7.1A	600W	Axial	-65°C ~ 150°C
TP6KE62A	Littelfuse Inc.	Active	53V	58.9V	85V	7.2A	600W	DO-204AC	-55°C ~ 175°C

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents):

P6KE62A-AP, P6KE62A-BP, P6KE62A-TP, P6KE62A-E3/54, and P6KE62AHE3/54 are recommended as primary substitutes. These parts maintain identical electrical specifications (53V standoff, 85V clamping, 7.1A peak pulse) and operating temperature range (-55°C to 175°C) as the obsolete P6KE62A-T. All are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance and supply chain continuity.

Secondary Substitutes (Enhanced Performance):

P6KE62A-B and TP6KE62A (Littelfuse) and P6KE62A (Diotec) offer marginally higher peak pulse current (7.2A–7.4A) while maintaining all other critical parameters. These parts are functionally compatible and provide performance headroom. The Diotec variant operates at -50°C minimum (versus -55°C), which may be acceptable depending on application requirements.

Package Considerations:

DO-15 and DO-204AC designations are mechanically equivalent. Parts specified as DO-204AC (P6KE62A-B, P6KE62A-E3/54, P6KE62AHE3/54, TP6KE62A) are directly compatible with DO-15 footprints. The P6KE62AE3/TR13 variant uses an Axial package (T-18) and requires different PCB layout accommodation.

Compliance and Qualification:

P6KE62AHE3/54 and TP6KE62A carry AEC-Q101 automotive qualification, suitable for automotive and high-reliability applications. All recommended substitutes maintain ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can I use P6KE62A-B as a direct replacement for P6KE62A-T?

A: Yes. P6KE62A-B is electrically equivalent with identical voltage specifications (53V standoff, 85V clamping) and operating temperature range. The 7.2A peak pulse current exceeds the original 7.1A specification, providing additional margin. DO-204AC and DO-15 packages are mechanically compatible.

Q: What is the difference between DO-15 and DO-204AC packages?

A: DO-15 and DO-204AC are equivalent designations for the same through-hole axial package. Parts specified as either designation are mechanically and electrically interchangeable on standard PCB layouts.

Q: Why do some substitutes have higher peak pulse current (7.2A–7.4A)?

A: These variants represent performance enhancements within the same product family. Higher peak pulse current provides additional transient protection margin without affecting voltage regulation characteristics. All variants maintain the 600W peak pulse power specification.

Q: Is the Diotec P6KE62A suitable if my application operates below -50°C?

A: No. The Diotec variant specifies -50°C minimum operating temperature, whereas the original P6KE62A-T and most substitutes operate to -55°C. For applications requiring -55°C operation, select alternatives with -55°C minimum rating.

Q: Can I use the P6KE62AE3/TR13 axial package variant?

A: Yes, electrically. However, the axial package (T-18) requires different PCB footprint and mounting accommodation compared to DO-15/DO-204AC packages. Verify PCB layout compatibility before selection.

Q: Which substitute offers the best supply availability?

A: TP6KE62A (Littelfuse) and P6KE62A (Diotec) show highest inventory levels (4,659 and 6,300 units respectively). For immediate availability, these are preferred selections.

Q: Are all substitutes ROHS3 compliant?

A: Most active substitutes carry ROHS3 compliance. The Diotec P6KE62A lists RoHS status as "Not applicable." Verify compliance requirements for your specific application before final selection.

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