P6KE75A-T Transient Voltage Suppressor TVS Diode - Equivalent & Substitute Parts

Part Overview

The P6KE75A-T is a unidirectional transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose voltage clamping applications. This component features a 64.1V reverse standoff voltage with a 103V maximum clamping voltage and 5.8A 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	P6KE75A-T
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	64.1V
Voltage - Breakdown (Min)	71.3V
Voltage - Clamping (Max) @ Ipp	103V
Current - Peak Pulse (10/1000µs)	5.8A
Power - Peak Pulse	600W
Operating Temperature Range	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Supplier Device Package	DO-15
RoHS Status	ROHS3 Compliant
REACH Status	REACH Affected

Substitute Part Grouping Explanation

Substitution for the P6KE75A-T is determined by strict equivalence across the following critical electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 64.1V ± tolerance
Voltage - Breakdown (Min): 71.3V minimum
Voltage - Clamping (Max) @ Ipp: 103V maximum
Current - Peak Pulse (10/1000µs): 5.8A minimum
Power - Peak Pulse: 600W minimum
Operating Temperature Range: -55°C to 175°C minimum
Mounting Type: Through Hole
Package / Case: DO-15 or DO-204AC compatible
Type: Zener unidirectional

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

Direct Manufacturer Substitutes maintain identical electrical specifications and packaging, differing only in manufacturer or packaging format (bulk vs. tape & reel).

Upgrade Substitutes provide enhanced or equivalent performance with active product status, replacing obsolete designs.

Manufacturer Recommended Substitutes are actively supported alternatives from established manufacturers with full compliance documentation.

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
P6KE75A-T	Diodes Incorporated	64.1V	71.3V	103V	5.8A	600W	-55°C ~ 175°C	DO-15	Obsolete
P6KE75A-AP	Micro Commercial Co	64.1V	71.3V	103V	5.8A	600W	-55°C ~ 175°C	DO-15	Active
P6KE75A-BP	Micro Commercial Co	64.1V	71.3V	103V	5.8A	600W	-55°C ~ 175°C	DO-15	Active
P6KE75A	Fairchild Semiconductor	64.1V	71.3V	103V	6.1A	600W	-50°C ~ 175°C	DO-15 (DO-204AC)	Active
P6KE75A-TP	Micro Commercial Co	64.1V	71.3V	103V	5.8A	600W	-55°C ~ 175°C	DO-15	Active
P6KE75AE3/TR13	Microsemi Corporation	64.1V	71.3V	103V	5.8A	600W	-65°C ~ 150°C	Axial	Active
SA64A	Taiwan Semiconductor Corporation	64V	71.1V	103V	5A	500W	-55°C ~ 175°C	DO-204AC (DO-15)	Active
TP6KE75A	Littelfuse Inc.	64.1V	71.3V	103V	5.9A	600W	-55°C ~ 175°C	DO-204AC (DO-15)	Active

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents)

P6KE75A-AP, P6KE75A-BP, and P6KE75A-TP from Micro Commercial Co are direct electrical and mechanical equivalents to the P6KE75A-T. All three maintain identical voltage specifications, current ratings, and operating temperature range. Selection between these three depends on packaging requirements: P6KE75A-AP and P6KE75A-BP are supplied in bulk packaging, while P6KE75A-TP is supplied in cut tape format. All three are ROHS3 compliant and carry active product status.

Upgrade Substitute (Enhanced Performance)

P6KE75A from Fairchild Semiconductor provides an active-status upgrade with a higher peak pulse current rating of 6.1A compared to the original 5.8A specification. This part maintains all critical voltage parameters and 600W power dissipation. The operating temperature range is -50°C to 175°C, which is acceptable for most applications requiring the original -55°C to 175°C range. This part is suitable for designs where component obsolescence must be resolved with an active manufacturer alternative.

Manufacturer Recommended Alternatives

TP6KE75A from Littelfuse Inc. is an automotive-qualified alternative (AEC-Q101) with 5.9A peak pulse current and full compliance with ROHS3 and REACH requirements. This part is recommended for applications requiring automotive-grade reliability and qualification documentation.

P6KE75AE3/TR13 from Microsemi Corporation is supplied in axial package format and maintains all critical electrical specifications. This part is suitable for applications where axial package geometry is preferred or required. Operating temperature range is -65°C to 150°C.

Lower-Performance Alternative

SA64A from Taiwan Semiconductor Corporation provides functional substitution with reduced specifications: 5A peak pulse current (versus 5.8A) and 500W power dissipation (versus 600W). Voltage parameters are within acceptable tolerance (64V standoff, 71.1V breakdown minimum, 103V clamping). This part is suitable only for applications where the reduced current and power ratings do not impact circuit performance.

Frequently Asked Questions (FAQ)

Q: Can I use P6KE75A-AP or P6KE75A-BP as direct replacements for P6KE75A-T?

A: Yes. Both parts are electrically and mechanically identical to the original P6KE75A-T. The only differences are manufacturer (Micro Commercial Co instead of Diodes Incorporated) and packaging format (bulk instead of tape & reel). All three maintain 64.1V reverse standoff, 103V clamping voltage, 5.8A peak pulse current, and -55°C to 175°C operating temperature.

Q: What is the difference between P6KE75A-TP and P6KE75A-AP?

A: Both are from Micro Commercial Co with identical electrical specifications. P6KE75A-TP is supplied in cut tape (CT) packaging, while P6KE75A-AP is supplied in bulk packaging. Selection depends on your assembly process requirements and tape reel compatibility.

Q: Is the Fairchild P6KE75A a suitable replacement?

A: Yes, with one specification difference. The Fairchild part provides 6.1A peak pulse current versus the original 5.8A, representing improved performance. All voltage parameters remain identical. The operating temperature range is -50°C to 175°C, which covers most applications requiring the original -55°C minimum. This part is recommended for new designs or where active manufacturer support is required.

Q: Can I use SA64A as a substitute?

A: SA64A is functionally compatible but with reduced electrical ratings. Peak pulse current is 5A (versus 5.8A) and power dissipation is 500W (versus 600W). Voltage specifications are within acceptable tolerance. Use this part only if your circuit design accommodates the lower current and power ratings.

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

A: DO-15 and DO-204AC are equivalent package designations for the same through-hole axial component form factor. Both refer to a two-lead axial package suitable for through-hole PCB assembly. Parts specified as DO-204AC (DO-15) or DO-15 are mechanically and electrically interchangeable.

Q: Should I use the Littelfuse TP6KE75A for automotive applications?

A: TP6KE75A is recommended for automotive applications. This part carries AEC-Q101 qualification and automotive-grade designation, providing documented reliability for automotive environments. All electrical specifications match the original P6KE75A-T.

Q: What is the difference between the Microsemi P6KE75AE3/TR13 and other substitutes?

A: P6KE75AE3/TR13 is supplied in axial package format rather than DO-15. All electrical specifications are identical to the original part. This option is suitable if your PCB layout or assembly process requires axial package geometry. Operating temperature range is -65°C to 150°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant. The original P6KE75A-T is also ROHS3 compliant. REACH compliance varies by manufacturer; verify specific REACH status with your supplier if required for your application.

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