P6SMB480A01HM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB480A01HM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for telecom applications requiring transient voltage protection in surface mount configurations. The part operates with a reverse standoff voltage of 408V and provides clamping at 658V maximum, with a peak pulse current rating of 910mA. The product is currently discontinued at DiGi Electronics, making identification of equivalent alternatives necessary for ongoing system support and procurement.

Substiute Parts

P6SMB480A01HM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 871P6SMB480A01HM3_A/I Datasheet

Current PartRFQ

P6SMB480A01HM3_C/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1246P6SMB480A01HM3_C/I Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB480A01HM3_A/I is determined by strict equivalence across the following critical parameters:

Voltage specifications must match exactly: Reverse Standoff Voltage of 408V (Typ), Breakdown Voltage minimum of 456V, and Clamping Voltage maximum of 658V at peak pulse current.

Current and power ratings must be identical: Peak Pulse Current of 910mA at 10/1000µs pulse duration and Peak Pulse Power of 600W.

Package and mounting configuration must be identical: DO-214AA (SMB) surface mount package.

Electrical characteristics must be equivalent: Unidirectional channel configuration (1 channel), Zener type diode, and operating temperature range of -65°C to 150°C.

Compliance and qualification standards must be maintained: Automotive grade, AEC-Q101 qualification, ROHS3 compliance, and MSL 1 rating.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB480A01HM3_C/I is a direct functional equivalent to the P6SMB480A01HM3_A/I. Both parts are manufactured by Vishay within the same P6SMB TransZorb® series and share identical electrical specifications, package configuration, and compliance certifications.

The primary distinction is product status: the original part number is discontinued at DiGi Electronics, while the substitute maintains active status with higher inventory availability (1166 units versus 771 units). Both parts maintain Automotive grade qualification and AEC-Q101 certification, ensuring suitability for automotive and telecom applications requiring transient voltage suppression.

Selection of the P6SMB480A01HM3_C/I is supported by identical voltage ratings, current handling, thermal operating range, and regulatory compliance. No performance degradation or functional limitation results from this substitution.

Frequently Asked Questions (FAQ)

Q: Are the P6SMB480A01HM3_A/I and P6SMB480A01HM3_C/I electrically identical?

A: Yes. Both parts share identical electrical specifications including 408V reverse standoff voltage, 658V maximum clamping voltage, 910mA peak pulse current, and 600W peak pulse power rating. Voltage breakdown characteristics and operating temperature ranges are equivalent.

Q: Can the P6SMB480A01HM3_C/I be used as a direct replacement in existing designs?

A: Yes. The substitute part uses the identical DO-214AA (SMB) surface mount package and maintains the same pinout configuration. No PCB layout modifications are required.

Q: What is the difference between the part numbers?

A: The difference between P6SMB480A01HM3_A/I and P6SMB480A01HM3_C/I lies in the internal designation suffix (_A/I versus _C/I), which reflects different manufacturing batches or revisions within Vishay's production. Electrical and mechanical specifications remain unchanged.

Q: Are both parts automotive qualified?

A: Yes. Both the original and substitute parts carry Automotive grade classification and AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: What is the moisture sensitivity level for these parts?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.