SMB8J5.0CAHM3_A/I Equivalent & Substitute Parts

Part Overview

The SMB8J5.0CAHM3_A/I is a bidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications requiring transient protection. This component features a 5V reverse standoff voltage, 9.2V maximum clamping voltage, and 87A peak pulse current capability in a surface-mount DO-214AA (SMB) package. The part is currently listed as obsolete, making identification of active equivalent alternatives essential for ongoing procurement and design continuity.

Substiute Parts

SMB8J5.0CAHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 729SMB8J5.0CAHM3_A/I Datasheet

Current PartRFQ

SMB8J5.0CAHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1103SMB8J5.0CAHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMB8J5.0CAHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 5V
• Voltage - Breakdown (Min): 6.4V
• Current - Peak Pulse (10/1000µs): 87A
• Power - Peak Pulse: 800W
• Package / Case: DO-214AA, SMB
• Bidirectional Channels: 1
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Automotive Grade and AEC-Q101 Qualification

The SMB8J5.0CAHM3_B/I is identified as the manufacturer-recommended substitute. This part maintains identical electrical specifications and package configuration while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The SMB8J5.0CAHM3_B/I is the direct substitute for the obsolete SMB8J5.0CAHM3_A/I. Both parts maintain identical electrical performance specifications, automotive-grade qualification, and AEC-Q101 certification. The substitute part offers the advantage of active product status with confirmed inventory availability (1054 pcs), ensuring long-term procurement viability. Both components comply with ROHS3 and REACH requirements. The substitute is supplied in Tape & Reel packaging, which is standard for production environments.

Frequently Asked Questions (FAQ)

Q: Can SMB8J5.0CAHM3_B/I be used as a direct replacement for SMB8J5.0CAHM3_A/I?

A: Yes. Both parts share identical electrical specifications, package configuration (DO-214AA, SMB), operating temperature range, and automotive qualifications. The substitute is the manufacturer-recommended alternative.

Q: What is the difference in clamping voltage between these parts?

A: The main part specifies 9.2V maximum clamping voltage, while the substitute specifies 5V. This difference is documented in the provided specifications and must be evaluated against circuit requirements.

Q: Are both parts suitable for automotive applications?

A: Yes. Both parts carry automotive grade designation and AEC-Q101 qualification, meeting automotive reliability standards.

Q: What packaging formats are available?

A: The main part packaging type is not specified in the provided data. The substitute is supplied in Tape & Reel (TR) format, standard for high-volume production.

Q: Are there RoHS and REACH compliance differences?

A: No. Both parts are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.