P4SMA9.0A BK Equivalent & Substitute Parts

Part Overview

The P4SMA9.0A BK is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Central Semiconductor Corp, designed for general-purpose overvoltage protection in surface-mount applications. With a 9V reverse standoff voltage and 15.4V maximum clamping voltage, this component provides transient suppression with a peak pulse current rating of 26A and 400W peak pulse power handling.

The P4SMA9.0A BK is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

P4SMA9.0A BK

Central Semiconductor CorpIn Stock: 953P4SMA9.0A BK Datasheet

Current PartRFQ

SMAJ9.0A-13-F

Diodes IncorporatedIn Stock: 30393SMAJ9.0A-13-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P4SMA9.0A BK is determined by strict equivalence across the following critical electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 9V
• Voltage - Breakdown (Min): 10V
• Voltage - Clamping (Max) @ Ipp: 15.4V
• Current - Peak Pulse (10/1000µs): 26A
• Power - Peak Pulse: 400W
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Unidirectional Channels: 1
• Type: Zener

The substitute part SMAJ9.0A-13-F manufactured by Diodes Incorporated meets all specified electrical parameters and mechanical requirements, providing direct functional equivalence for the obsolete P4SMA9.0A BK.

Parameter Comparison

Engineering Selection Recommendations

The SMAJ9.0A-13-F is the qualified substitute for the obsolete P4SMA9.0A BK. This substitute maintains identical electrical performance across all critical parameters: 9V reverse standoff voltage, 10V minimum breakdown voltage, 15.4V maximum clamping voltage, 26A peak pulse current, and 400W peak pulse power rating.

The substitute part is manufactured by Diodes Incorporated and carries Active product status, ensuring ongoing availability and supply chain support. The SMAJ9.0A-13-F is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements. Both parts share identical package specifications (DO-214AC, SMA) and operating temperature range (-55°C ~ 150°C), enabling direct board-level substitution without design modification.

The substitute is available in Tape & Reel (TR) packaging format, suitable for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SMAJ9.0A-13-F be used as a direct replacement for the P4SMA9.0A BK?

A: Yes. The SMAJ9.0A-13-F meets all electrical and mechanical specifications of the P4SMA9.0A BK, including voltage ratings, current handling, power dissipation, package type, and operating temperature range. No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The P4SMA9.0A BK is classified as obsolete. The SMAJ9.0A-13-F provides equivalent functionality with active product status and assured supply availability.

Q: Are there packaging differences between these parts?

A: Both parts use the DO-214AC (SMA) surface-mount package. The substitute is supplied in Tape & Reel (TR) format, which is standard for automated assembly. The main part packaging format was not specified in available documentation.

Q: Do these parts have the same thermal characteristics?

A: Yes. Both parts operate across the identical temperature range of -55°C to 150°C (junction temperature), ensuring equivalent thermal performance in the application.

Q: Are there compliance or certification differences?

A: The SMAJ9.0A-13-F carries ROHS3 Compliance and REACH Unaffected status, meeting current regulatory requirements. This ensures compatibility with modern manufacturing and environmental standards.