P6KE100A-T Equivalent & Substitute Parts

Part Overview

The P6KE100A-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, 137V maximum clamping voltage, and 4.4A peak pulse current capability in a through-hole DO-15 package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6KE100A-T
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
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)
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the P6KE100A-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 (±tolerance acceptable)
Power - Peak Pulse: 600W
Mounting Type: Through Hole
Package / Case: DO-15 or DO-204AC (axial configuration)
Operating Temperature: -55°C minimum, 175°C maximum preferred

Substitute parts are grouped into three categories based on manufacturer and product status:

Direct Equivalents - Identical electrical specifications from alternative manufacturers with active product status
Upgrade Options - Enhanced specifications (higher standoff voltage) with active status and higher inventory availability
Manufacturer Recommended - Alternative designs with comparable or superior performance characteristics

Parameter Comparison

Part Number	Manufacturer	Status	Vwm (Typ)	Vbr (Min)	Vc (Max)	Ipp (A)	Ppk (W)	Temp Range	Package
P6KE100A-T	Diodes Inc.	Obsolete	85.5V	95V	137V	4.4	600	-55 to 175°C	DO-15
P6KE100A-AP	Micro Commercial Co	Active	85.5V	95V	137V	4.4	600	-55 to 175°C	DO-15
P6KE100A-BP	Micro Commercial Co	Active	85.5V	95V	137V	4.4	600	-55 to 175°C	DO-15
P6KE100A	Fairchild Semiconductor	Active	100V	95V	137V	4.4	600	-55 to 150°C	DO-15
1N6295A-E3/54	Vishay General Semiconductor	Active	85.5V	95V	137V	10.9	1500	-55 to 175°C	1.5KE
P6KE100A-B	Littelfuse	Active	85.5V	95V	137V	4.5	600	-55 to 175°C	DO-204AC
P6KE100A-G	Comchip Technology	Active	85.5V	95V	137V	4.38	600	-55 to 150°C	DO-15
P6KE100A-TP	Micro Commercial Co	Active	85.5V	95V	137V	4.4	600	-55 to 175°C	DO-15
P6KE100AE3/TR13	Microsemi Corporation	Active	85.5V	95V	137V	4.4	600	-65 to 150°C	T-18

Engineering Selection Recommendations

Direct Equivalents (Preferred for Pin-Compatible Replacement):

P6KE100A-AP, P6KE100A-BP, and P6KE100A-TP from Micro Commercial Co are direct electrical and mechanical equivalents with active product status. These parts maintain identical voltage specifications (85.5V standoff, 137V clamping), current ratings (4.4A), and operating temperature range (-55°C to 175°C). All three are available in DO-15 packaging and are suitable for direct substitution without circuit modification.

Alternative Equivalent (Different Packaging):

P6KE100A-B from Littelfuse provides electrical equivalence with a 4.5A peak pulse current (within acceptable tolerance) and is supplied in DO-204AC packaging. This part maintains the full -55°C to 175°C operating range and is ROHS3 compliant. Selection depends on PCB layout compatibility with DO-204AC versus DO-15 footprints.

Upgrade Option (Enhanced Specifications):

P6KE100A from Fairchild Semiconductor offers a higher 100V reverse standoff voltage while maintaining identical clamping voltage (137V) and current rating (4.4A). This part is suitable for applications requiring higher voltage margin. Operating temperature range is -55°C to 150°C. Higher inventory availability (18,855 pcs) supports production continuity.

Higher Performance Alternative (Different Package):

1N6295A-E3/54 from Vishay General Semiconductor (TransZorb series) provides superior pulse handling capability with 10.9A peak pulse current and 1500W peak power in a 1.5KE package. This part maintains identical voltage specifications and full -55°C to 175°C operating range. Selection requires PCB layout modification due to different package geometry (DO-27 versus DO-15).

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification. Micro Commercial Co variants include automotive-grade qualification. Littelfuse and Comchip Technology parts are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Frequently Asked Questions (FAQ)

Q: Can P6KE100A-AP, P6KE100A-BP, and P6KE100A-TP be used interchangeably with P6KE100A-T?

A: Yes. These Micro Commercial Co parts are direct electrical and mechanical equivalents with identical voltage ratings (85.5V standoff, 137V clamping), current specifications (4.4A), and DO-15 packaging. All three maintain the -55°C to 175°C operating temperature range required for the original part.

Q: What is the difference between P6KE100A-B and P6KE100A-T?

A: P6KE100A-B from Littelfuse is electrically equivalent with a marginally higher peak pulse current (4.5A versus 4.4A). The primary difference is packaging: P6KE100A-B uses DO-204AC while P6KE100A-T uses DO-15. Both are axial through-hole configurations with identical voltage specifications. PCB footprint compatibility must be verified before selection.

Q: Why is the Fairchild P6KE100A listed as an upgrade?

A: The Fairchild P6KE100A features a higher 100V reverse standoff voltage compared to the original 85.5V specification. This provides increased voltage margin in the circuit while maintaining identical clamping voltage (137V) and current rating (4.4A). The operating temperature range is -55°C to 150°C, which is 25°C lower than the original specification.

Q: Can the Vishay 1N6295A-E3/54 replace the P6KE100A-T directly?

A: The Vishay 1N6295A-E3/54 is electrically compatible with identical voltage specifications (85.5V standoff, 137V clamping) and superior current handling (10.9A versus 4.4A). However, it uses a 1.5KE package (DO-27) instead of DO-15, requiring PCB layout modification. This part is suitable for applications requiring higher transient energy absorption.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended substitutes maintain ROHS3 compliance. Specific compliance certifications vary by manufacturer: Littelfuse and Comchip Technology parts explicitly state ROHS3 compliance with MSL 1 (unlimited moisture sensitivity). Micro Commercial Co and Microsemi variants are REACH unaffected.

Q: What is the temperature range difference between substitutes?

A: Most substitutes maintain the original -55°C to 175°C range (Micro Commercial Co variants, Littelfuse, Microsemi). Fairchild and Comchip Technology parts operate to -55°C to 150°C, which is 25°C lower at the upper limit. Microsemi extends the lower limit to -65°C. Application thermal requirements must be evaluated for parts with reduced upper temperature limits.

Q: Which substitute has the highest inventory availability?

A: Fairchild Semiconductor P6KE100A has the highest inventory with 18,855 pcs in stock, compared to 686–2,619 pcs for other alternatives. This part is recommended for applications prioritizing supply chain continuity.

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