SMBJ9.0CD-M3/I Equivalent & Substitute Parts

Part Overview

The SMBJ9.0CD-M3/I is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and provides transient overvoltage protection for general-purpose applications. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this TVS diode category.

Substiute Parts

SMBJ9.0CD-M3/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 724SMBJ9.0CD-M3/I Datasheet

Current PartRFQ

SMBJ9.0CA-E3/5B

Vishay General Semiconductor - Diodes DivisionIn Stock: 7159SMBJ9.0CA-E3/5B Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SMBJ9.0CD-M3/I is determined by strict equivalence across the following critical parameters:

• Reverse Standoff Voltage: 9V nominal
• Breakdown Voltage minimum: within specified range
• Clamping Voltage maximum: within acceptable tolerance
• Peak Pulse Current capability: 39A or greater
• Peak Pulse Power rating: 600W minimum
• Package: DO-214AA (SMB) surface mount only
• Bidirectional channels: 1
• Series classification: TransZorb® family
• Product status: Active
• Compliance: RoHS3 Compliant, REACH Unaffected

The SMBJ9.0CA-E3/5B meets all substitution criteria as a direct equivalent within the SMBJ9.0 base product family, maintaining identical standoff voltage, package configuration, and thermal operating range.

Parameter Comparison

Engineering Selection Recommendations

Both the SMBJ9.0CD-M3/I and SMBJ9.0CA-E3/5B are Active product status components manufactured by Vishay General Semiconductor - Diodes Division within the TransZorb® TVS diode family. Both devices maintain full RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement. The SMBJ9.0CA-E3/5B offers higher inventory availability (7112 pieces in stock versus 704 pieces), making it a practical alternative when supply constraints exist. Electrical parameter equivalence across reverse standoff voltage, breakdown voltage, clamping voltage, and peak pulse current ensures functional interchangeability in general-purpose transient overvoltage protection applications. Both components are qualified for identical operating temperature ranges (-55°C to 150°C junction temperature) and packaging specifications (DO-214AA surface mount).

Frequently Asked Questions (FAQ)

Q: Can the SMBJ9.0CA-E3/5B replace the SMBJ9.0CD-M3/I in existing designs?

A: Yes. Both devices share identical reverse standoff voltage (9V), equivalent breakdown and clamping voltage specifications, matching peak pulse current and power ratings, and identical DO-214AA surface mount packaging. No circuit redesign or PCB layout modification is required.

Q: What is the significance of the different clamping voltage values (15.1V vs 15.4V)?

A: Both clamping voltages fall within the acceptable operating envelope for 9V standoff TVS diodes and represent normal manufacturing tolerance variation within the SMBJ9.0 product family. This 0.3V difference does not affect functional compatibility in general-purpose protection applications.

Q: Are there any thermal or reliability differences between these parts?

A: No. Both components operate across the identical temperature range (-55°C to 150°C junction temperature) and share the same peak pulse power rating (600W). Moisture sensitivity level is identical (MSL 1 - Unlimited) for both parts.

Q: Does the packaging designation differ between these substitutes?

A: No. Both the SMBJ9.0CD-M3/I and SMBJ9.0CA-E3/5B use DO-214AA (SMB) surface mount packaging with identical footprint and land pattern requirements. Direct PCB placement substitution is possible without modification.

Q: What compliance certifications apply to both parts?

A: Both components are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component use in regulated markets.