P6KE30A-T Transient Voltage Suppressor (TVS) Diode – Equivalent & Substitute Parts

Part Overview

The P6KE30A-T is a unidirectional Zener transient voltage suppressor diode manufactured by Diodes Incorporated, designed for general-purpose transient voltage protection in through-hole DO-15 axial package configuration. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for direct circuit substitution.

Key Parameters

Parameter	Value	Unit
Voltage – Reverse Standoff (Typ)	25.6	V
Voltage – Breakdown (Min)	28.5	V
Voltage – Clamping (Max) @ Ipp	41.4	V
Current – Peak Pulse (10/1000µs)	14.4	A
Power – Peak Pulse	600	W
Type	Zener	–
Unidirectional Channels	1	–
Mounting Type	Through Hole	–
Package / Case	DO-204AC, DO-15, Axial	–
RoHS Status	ROHS3 Compliant	–
Moisture Sensitivity Level (MSL)	1 (Unlimited)	–

Substitute Part Grouping Explanation

Substitution eligibility for the P6KE30A-T is determined by strict equivalence across the following critical parameters:

Voltage – Reverse Standoff (Typ): 25.6V
Voltage – Breakdown (Min): 28.5V
Voltage – Clamping (Max) @ Ipp: 41.4V
Current – Peak Pulse (10/1000µs): 14.4A minimum
Power – Peak Pulse: 600W
Type: Zener, Unidirectional
Mounting Type: Through Hole
Package / Case: DO-15 or DO-204AC (Axial)

All identified substitute parts maintain these electrical specifications within the defined tolerances. Packaging variants (bulk, cut tape, tape & box) represent different distribution formats of electrically identical components. Active product status ensures ongoing availability and manufacturing support.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage – Reverse Standoff (V)	Voltage – Breakdown (V)	Voltage – Clamping (V)	Current – Peak Pulse (A)	Power – Peak Pulse (W)	Package	Product Status	Inventory (Pcs)
P6KE30A-T	Diodes Incorporated	25.6	28.5	41.4	14.4	600	DO-15	Obsolete	4806
P6KE30A-AP	Micro Commercial Co	25.6	28.5	41.4	14.4	600	DO-15	Active	1027
P6KE30A-BP	Micro Commercial Co	25.6	28.5	41.4	14.4	600	DO-15	Active	835
P6KE30A-TP	Micro Commercial Co	25.6	28.5	41.4	14.4	600	DO-15	Active	939
P6KE30AE3/TR13	Microsemi Corporation	25.6	28.5	41.4	14.4	600	Axial	Active	1140
P6KE30A	Taiwan Semiconductor Corporation	25.6	28.5	41.4	14.5	600	DO-15	Active	25200
P6KE30A-B	Littelfuse Inc.	25.6	28.5	41.4	14.7	600	DO-15	Active	2600
P6KE30A-HF	Comchip Technology	25.6	28.5	41.4	14.49	600	DO-15	Active	882
P6KE30A_R2_00001	Panjit International Inc.	25.6	28.5	41.4	14.4	600	DO-15	Active	5083

Engineering Selection Recommendations

All identified substitute parts are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with current manufacturing standards. Selection among equivalent alternatives should prioritize:

Highest Inventory Availability: Taiwan Semiconductor Corporation P6KE30A offers 25,200 units in stock, providing supply chain continuity and reduced lead time risk.
Manufacturer Continuity: Littelfuse Inc. P6KE30A-B and Panjit International Inc. P6KE30A_R2_00001 represent established suppliers with extended temperature operating ranges (-55°C to 175°C and -65°C to 175°C respectively), suitable for demanding thermal environments.
Package Format Flexibility: Micro Commercial Co variants (P6KE30A-AP bulk, P6KE30A-BP bulk, P6KE30A-TP cut tape) accommodate different procurement workflows. Microsemi Corporation P6KE30AE3/TR13 provides axial package configuration for applications requiring specific lead geometry.
Peak Pulse Current Margin: All substitutes meet or exceed the 14.4A specification. Littelfuse P6KE30A-B (14.7A) and Comchip P6KE30A-HF (14.49A) provide additional transient current handling capacity.

Frequently Asked Questions (FAQ)

Q: Can P6KE30A-T be directly replaced with any of these substitute parts?

A: Yes. All listed substitutes maintain identical voltage specifications (25.6V standoff, 28.5V breakdown, 41.4V clamping) and peak pulse power rating (600W). Direct pin-for-pin substitution is electrically valid for through-hole DO-15 package variants.

Q: What is the difference between DO-15 and Axial package variants?

A: Both are through-hole configurations with identical electrical performance. DO-15 (DO-204AC) and Axial refer to package geometry and lead spacing. Verify PCB footprint compatibility before substitution. Microsemi P6KE30AE3/TR13 uses T-18 axial geometry; others use standard DO-15 spacing.

Q: Are there temperature operating range differences among substitutes?

A: Yes. Most substitutes operate -55°C to 175°C (TJ). Microsemi P6KE30AE3/TR13 operates -65°C to 150°C (TJ), and Comchip P6KE30A-HF operates -55°C to 150°C (TJ). Select based on application thermal requirements.

Q: Which substitute offers the best supply availability?

A: Taiwan Semiconductor Corporation P6KE30A maintains 25,200 units in stock, significantly exceeding other alternatives. This part is designated as manufacturer recommended and provides optimal supply chain security.

Q: Do all substitutes carry the same compliance certifications?

A: All identified substitutes are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is 1 (Unlimited) across all parts, indicating no special storage or handling requirements.

Q: What is the significance of the part number suffixes (-AP, -BP, -TP, -B, -HF)?

A: Suffixes denote packaging format and distribution channel. -AP and -BP indicate bulk packaging from Micro Commercial Co. -TP indicates cut tape format. -B indicates Littelfuse bulk packaging. -HF indicates Comchip high-frequency series. Electrical specifications remain identical regardless of suffix.

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