P6SMB480AHE3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB480AHE3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, part of the P6SMB TransZorb® series. This surface mount component is designed for transient voltage protection in 408V standoff applications with a 658V maximum clamping voltage. 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	P6SMB480AHE3_A/I
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Product Status	Obsolete
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	408V
Voltage - Breakdown (Min)	456V
Voltage - Clamping (Max) @ Ipp	658V
Current - Peak Pulse (10/1000µs)	910mA
Power - Peak Pulse	600W
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Grade	Automotive
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB480AHE3_A/I is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 408V
Voltage - Breakdown (Min): 456V
Voltage - Clamping (Max) @ Ipp: 658V
Current - Peak Pulse (10/1000µs): 910mA (tolerance: ±10mA acceptable)
Power - Peak Pulse: 600W
Unidirectional Channels: 1
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount

Substitute parts are grouped into three categories:

Direct Substitutes (Vishay P6SMB480 Series): Parts P6SMB480A-M3/52, P6SMB480A-M3/5B, and P6SMB480AHE3_AIH maintain identical electrical specifications and are manufactured by Vishay. These differ only in packaging format (Tape & Box vs. standard packaging) and product status (Active vs. Obsolete). All meet automotive-grade requirements with AEC-Q101 qualification.

Cross-Manufacturer Direct Substitute (Eaton P6SMB480A): The Eaton P6SMB480A provides equivalent electrical performance with a minor variance in peak pulse current (900mA vs. 910mA), which falls within acceptable tolerance for this application class. Operating temperature range differs slightly (-55°C to 150°C vs. -65°C to 150°C). This part is actively manufactured and widely available.

Upgrade Substitute (Micro Commercial Co SMBJP6KE480A-TP): The SMBJP6KE480A-TP meets all critical electrical parameters with identical voltage and power specifications. Peak pulse current is 900mA. This part represents an alternative source from a different manufacturer with active product status.

Parameter Comparison

Parameter	P6SMB480AHE3_A/I (Main)	P6SMB480A-M3/52	P6SMB480A-M3/5B	P6SMB480AHE3_AIH	P6SMB480A (Eaton)	SMBJP6KE480A-TP
Manufacturer	Vishay	Vishay	Vishay	Vishay	Eaton	Micro Commercial Co
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - Reverse Standoff (Typ)	408V	408V	408V	408V	408V	408V
Voltage - Breakdown (Min)	456V	456V	456V	456V	456V	456V
Voltage - Clamping (Max) @ Ipp	658V	658V	658V	658V	658V	658V
Current - Peak Pulse (10/1000µs)	910mA	910mA	910mA	910mA	900mA	900mA
Power - Peak Pulse	600W	600W	600W	600W	600W	600W
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	Not specified
Automotive Grade	Yes (AEC-Q101)	No	No	Yes (AEC-Q101)	No	No

Engineering Selection Recommendations

For Automotive Applications: If the original design requires automotive-grade components with AEC-Q101 qualification, select either P6SMB480AHE3_AIH (Vishay, active status) or P6SMB480A-M3/52 / P6SMB480A-M3/5B (Vishay, active status with Tape & Box packaging). These maintain full compliance with automotive qualification standards.

For General Purpose Applications: The Eaton P6SMB480A and Micro Commercial Co SMBJP6KE480A-TP are suitable alternatives. Both are actively manufactured with equivalent electrical performance. The Eaton part offers the advantage of established supply chain presence. The 10mA reduction in peak pulse current (900mA vs. 910mA) is within acceptable tolerance for most circuit designs.

For Immediate Availability: P6SMB480A (Eaton) has the highest inventory level (25,355 pcs) among all substitutes, making it the preferred choice for high-volume procurement or urgent requirements.

For Direct Replacement: P6SMB480AHE3_AIH provides the closest functional equivalence to the obsolete P6SMB480AHE3_A/I, with identical electrical specifications and automotive qualification, differing only in product status (Active vs. Obsolete).

Frequently Asked Questions (FAQ)

Q: Can I use P6SMB480A (Eaton) as a direct replacement for P6SMB480AHE3_A/I in automotive applications?

A: The Eaton P6SMB480A meets all critical electrical parameters (408V standoff, 658V clamping, 600W peak power) and operates within the required temperature range. However, it does not carry automotive-grade certification or AEC-Q101 qualification. Use this part only if your application does not mandate automotive-grade components. For automotive designs, select P6SMB480AHE3_AIH or the Vishay Tape & Box variants.

Q: What is the significance of the 10mA difference in peak pulse current between the main part (910mA) and some substitutes (900mA)?

A: The 10mA variance represents approximately 1.1% deviation from the original specification. This falls within standard manufacturing tolerance for TVS diodes in this class and does not affect circuit protection performance in typical applications. Both current ratings deliver the required 600W peak pulse power at the specified voltage levels.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the DO-214AA (SMB) package with identical surface mount footprint. No PCB redesign or layout modification is required for any of the listed substitutes.

Q: Which substitute offers the best long-term availability?

A: The Eaton P6SMB480A and Vishay P6SMB480A-M3/52 / P6SMB480A-M3/5B are all listed with Active product status, indicating ongoing manufacturing support. The Eaton part has the largest current inventory (25,355 pcs), suggesting strong market availability.

Q: Can I mix different substitute parts in the same production run?

A: Yes. All listed substitutes meet identical electrical specifications for the critical parameters (voltage, current, power, temperature range, and package). Mixing parts from different manufacturers or packaging formats in the same assembly is electrically compatible, though procurement and quality documentation practices may vary by manufacturer.

Q: What is the difference between Tape & Box (TB) and Tape & Reel (TR) packaging?

A: Both are surface mount compatible formats. Tape & Box packaging is typically used for smaller quantities and manual assembly operations. Tape & Reel packaging is optimized for high-volume automated assembly. The electrical performance and PCB footprint are identical; the choice depends on your assembly process and volume requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message