Equivalent & Substitute Parts for SMBJ75CAHM3_A/I

Part Overview

SMBJ75CAHM3_A/I is an automotive-grade, surface-mount Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, categorized as a Zener-type, bidirectional device within the TransZorb® series. It offers a reverse standoff voltage of 75V, a minimum breakdown voltage of 83.3V, a clamping voltage of 121V at 5A, and peak pulse power of 600W. This part is packaged in DO-214AA (SMB), is automotive qualified with AEC-Q101, and holds RoHS3 compliance. Its part status is Obsolete, which creates a requirement to identify substitute parts with matching parameters for direct replacement in critical applications.

Substiute Parts

SMBJ75CAHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1179SMBJ75CAHM3_A/I Datasheet

Current PartRFQ

SMBJ75CAHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 800SMBJ75CAHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for SMBJ75CAHM3_A/I is determined by strict matching of the following key parameters: Type (Zener), Bidirectional Channel count (1), Reverse Standoff Voltage (75V), Minimum Breakdown Voltage (83.3V), Maximum Clamping Voltage at Peak Pulse Current (121V), Peak Pulse Current (5A), Peak Pulse Power (600W), Package/Case (DO-214AA, SMB), Automotive Grade, AEC-Q101 Qualification, RoHS Compliance, and Series (TransZorb®). Only parts presenting exact values for all parameters are included as direct substitutes within this product category and qualification level.

Parameter Comparison

Engineering Selection Recommendations

SMBJ75CAHM3_A/I is currently classified as Obsolete. SMBJ75CAHM3_B/I is listed as Active and provides identical key parameters, automotive grade, AEC-Q101 qualification, and ROHS3 compliance per the supplied data. Therefore, SMBJ75CAHM3_B/I is a direct substitute for SMBJ75CAHM3_A/I strictly in accordance with the provided certifications and product statuses.

Frequently Asked Questions (FAQ)

Q1: What are the primary substitution criteria for SMBJ75CAHM3_A/I in TVS diode applications?
A1: Substitution is based strictly on matching Type (Zener), bidirectional channels, reverse standoff voltage, breakdown voltage, clamping voltage, peak pulse current, peak pulse power, package/case, automotive grade, AEC-Q101 qualification, RoHS compliance, and series.

Q2: Is SMBJ75CAHM3_B/I footprint-compatible with SMBJ75CAHM3_A/I?
A2: Both parts have the same package/case designation (DO-214AA, SMB), ensuring full mechanical compatibility.

Q3: Are there any compliance or qualification differences between SMBJ75CAHM3_A/I and SMBJ75CAHM3_B/I?
A3: Both parts are ROHS3 compliant, AEC-Q101 qualified, and automotive grade according to the supplied data.

Q4: Can SMBJ75CAHM3_B/I be used as a direct replacement without electrical performance differences?
A4: Yes. All key electrical parameters provided for both SMBJ75CAHM3_A/I and SMBJ75CAHM3_B/I are identical.

Q5: Why is identifying substitute parts necessary for SMBJ75CAHM3_A/I?
A5: SMBJ75CAHM3_A/I holds Obsolete status, making it essential to use directly equivalent and qualified substitute parts with active production and supply for ongoing engineering and manufacturing requirements.