P6KE100CA-T Equivalent & Substitute Parts

Part Overview

The P6KE100CA-T is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection applications. This component features a 85.5V reverse standoff voltage with 137V maximum clamping voltage and 4.4A peak pulse current capability in a through-hole DO-15 package. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for continued system support and new designs.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	85.5V
Voltage - Breakdown (Min)	95V
Voltage - Clamping (Max) @ Ipp	137V
Current - Peak Pulse (10/1000µs)	4.4A
Power - Peak Pulse	600W
Operating Temperature Range	-55°C ~ 175°C (TJ)
Package / Case	DO-204AC, DO-15, Axial
Mounting Type	Through Hole
Type	Zener
Bidirectional Channels	1

Substitute Part Grouping Explanation

Substitution eligibility for the P6KE100CA-T is determined by strict electrical and mechanical parameter matching:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 85.5V
Voltage - Breakdown (Min): 95V
Voltage - Clamping (Max) @ Ipp: 137V
Current - Peak Pulse (10/1000µs): 4.4A minimum
Power - Peak Pulse: 600W
Package / Case: DO-204AC or DO-15 (through-hole axial)
Type: Zener, Bidirectional (1 channel)

All identified substitute parts maintain these core electrical specifications. Variations in packaging format (Cut Tape, Tape & Reel, Bulk) and manufacturer-specific designations do not affect electrical compatibility. Operating temperature ranges and compliance certifications are provided for system-level design consideration but do not restrict substitution at the component level.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package	Product Status
P6KE100CA-T	Diodes Incorporated	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-15	Obsolete
P6KE100CA	Fairchild Semiconductor	85.5V	95V	137V	4.5A	600W	-50°C ~ 175°C	DO-15 (DO-204AC)	Active
P6KE100CA-AP	Micro Commercial Co	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-15	Active
P6KE100CA-BP	Micro Commercial Co	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-15	Active
P6KE100CA-E3/54	Vishay General Semiconductor - Diodes Division	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-204AC (DO-15)	Active
P6KE100CA-TP	Micro Commercial Co	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-15	Active
P6KE100CAE3/TR13	Microsemi Corporation	85.5V	95V	137V	4.4A	600W	-65°C ~ 150°C	Axial	Active
P6KE100CAHE3/54	Vishay General Semiconductor - Diodes Division	85.5V	95V	137V	4.4A	600W	-55°C ~ 175°C	DO-204AC (DO-15)	Active
P6KE100CA-B	Littelfuse Inc.	85.5V	95V	137V	4.5A	600W	-55°C ~ 175°C	DO-204AC (DO-15)	Active

Engineering Selection Recommendations

All listed substitute parts meet the core electrical requirements for direct replacement of the P6KE100CA-T. Selection among active alternatives should be based on:

Product Status: All substitute parts carry active product status, ensuring ongoing availability and manufacturer support compared to the obsolete original part.

Compliance & Certifications: Parts designated with ROHS3 compliance and AEC-Q101 qualification (P6KE100CAHE3/54) are suitable for applications requiring automotive-grade reliability. Parts with REACH Unaffected status provide supply chain flexibility for regulated markets.

Packaging Format: DO-15 and DO-204AC packages are mechanically and electrically equivalent for through-hole PCB mounting. Axial package variants (P6KE100CAE3/TR13) maintain electrical compatibility but require verification of board layout compatibility.

Current Rating Tolerance: Parts rated at 4.5A peak pulse current (P6KE100CA, P6KE100CA-B) provide margin above the 4.4A specification and are fully compatible with designs requiring the original 4.4A rating.

Temperature Range: Parts specified for -55°C ~ 175°C operating temperature directly match the original specification. The Microsemi variant (-65°C ~ 150°C) is suitable for applications within its stated range.

Frequently Asked Questions (FAQ)

Q: Can P6KE100CA-T be replaced with any of the listed substitute parts?

A: Yes. All listed parts maintain identical voltage specifications (85.5V standoff, 95V breakdown, 137V clamping) and power ratings (600W peak pulse). Electrical substitution is direct. Mechanical compatibility depends on package format verification for your PCB layout.

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. Both are mechanically and electrically interchangeable. Axial package variants (T-18) maintain electrical compatibility but have different physical dimensions requiring board layout confirmation.

Q: Are there differences in peak pulse current between substitute parts?

A: Most substitutes are rated at 4.4A, matching the original specification. P6KE100CA (Fairchild) and P6KE100CA-B (Littelfuse) are rated at 4.5A, providing additional margin. This higher rating does not affect compatibility with designs requiring 4.4A.

Q: Which substitute part is recommended for automotive applications?

A: P6KE100CAHE3/54 (Vishay) carries AEC-Q101 automotive qualification and is designated for automotive-grade reliability. This part is suitable for applications requiring automotive component standards.

Q: Do packaging formats (Cut Tape, Tape & Reel, Bulk) affect electrical compatibility?

A: No. Packaging format affects only handling, storage, and procurement logistics. Electrical and mechanical specifications remain identical across all packaging options for a given part number.

Q: What is the significance of the temperature range difference in P6KE100CAE3/TR13?

A: This part specifies -65°C ~ 150°C versus the standard -55°C ~ 175°C. It is suitable for applications operating within its stated range. Verify your system's operating temperature requirements before selection.

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