SMBJ5.0CAHM3_A/I Equivalent & Substitute Parts

Part Overview

The SMBJ5.0CAHM3_A/I is a bidirectional 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 5V reverse standoff voltage and provides 9.2V maximum clamping voltage at peak pulse current of 65.2A, delivering 600W peak pulse power dissipation.

The SMBJ5.0CAHM3_A/I carries an Obsolete product status. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for applications currently utilizing this component.

Substiute Parts

SMBJ5.0CAHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 896SMBJ5.0CAHM3_A/I Datasheet

Current PartRFQ

SMBJ5.0CAHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 905SMBJ5.0CAHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SMBJ5.0CAHM3_A/I is determined by strict equivalence across the following electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 5V
• Voltage - Breakdown (Min): 6.4V
• Voltage - Clamping (Max) @ Ipp: 9.2V
• Current - Peak Pulse (10/1000µs): 65.2A
• Power - Peak Pulse: 600W
• Bidirectional Channels: 1
• Type: Zener
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Grade: Automotive
• Qualification: AEC-Q101

The substitute part SMBJ5.0CAHM3_B/I matches all critical electrical specifications and mechanical parameters. The primary distinction is product status: the substitute part is Active, whereas the original part is Obsolete. Both parts are manufactured by Vishay General Semiconductor - Diodes Division within the TransZorb® series.

Parameter Comparison

Engineering Selection Recommendations

The SMBJ5.0CAHM3_B/I is the manufacturer-recommended substitute for the obsolete SMBJ5.0CAHM3_A/I. Both parts maintain identical electrical performance specifications and mechanical compatibility. The substitute part carries Active product status, ensuring ongoing availability and manufacturing support from Vishay General Semiconductor - Diodes Division.

Both parts satisfy automotive-grade requirements with AEC-Q101 qualification and maintain full compliance with ROHS3 and REACH regulations. The electrical characteristics—including 5V reverse standoff voltage, 9.2V clamping voltage, 65.2A peak pulse current, and 600W peak pulse power—are equivalent across both part numbers. Surface mount DO-214AA (SMB) packaging and operating temperature range of -55°C to 150°C are identical.

Selection of the SMBJ5.0CAHM3_B/I for new designs or replacement applications ensures regulatory compliance, supply chain continuity, and performance equivalence to the original specification.

Frequently Asked Questions (FAQ)

Q: Can SMBJ5.0CAHM3_B/I be used as a direct replacement for SMBJ5.0CAHM3_A/I?

A: Yes. Both parts are electrically and mechanically equivalent. All critical parameters—voltage ratings, current ratings, power dissipation, package type, and operating temperature range—are identical. The substitute part is the manufacturer-recommended replacement for the obsolete original part.

Q: What is the difference between SMBJ5.0CAHM3_A/I and SMBJ5.0CAHM3_B/I?

A: The primary difference is product status. SMBJ5.0CAHM3_A/I is Obsolete, while SMBJ5.0CAHM3_B/I is Active. All electrical specifications and mechanical characteristics are identical. The packaging differs only in format: the substitute part is supplied in Tape & Reel (TR) configuration.

Q: Are both parts suitable for automotive applications?

A: Yes. Both parts carry Automotive grade classification and AEC-Q101 qualification, meeting automotive industry standards for reliability and performance.

Q: What is the DO-214AA (SMB) package?

A: DO-214AA, commonly designated SMB, is a surface mount diode package. Both parts use this identical package, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Q: Do both parts meet environmental compliance requirements?

A: Yes. Both SMBJ5.0CAHM3_A/I and SMBJ5.0CAHM3_B/I are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards.

Q: What is the operating temperature range for these parts?

A: Both parts operate across -55°C to 150°C junction temperature (TJ), providing equivalent thermal performance for telecom and automotive applications.