SMBJ36CAHM3_A/I Equivalent & Substitute Parts

Part Overview

The SMBJ36CAHM3_A/I is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This surface mount component is designed for transient voltage protection in telecom applications, featuring a 36V reverse standoff voltage and 58.1V maximum clamping voltage with 10.3A peak pulse current capability in a DO-214AA (SMB) package.

The SMBJ36CAHM3_A/I carries an Obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs, repairs, and system upgrades.

Substiute Parts

SMBJ36CAHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1214SMBJ36CAHM3_A/I Datasheet

Current PartRFQ

SMBJ36CAHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1135SMBJ36CAHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ36CAHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 36V
• Voltage - Breakdown (Min): 40V
• Voltage - Clamping (Max) @ Ipp: 58.1V
• Current - Peak Pulse (10/1000µs): 10.3A
• Power - Peak Pulse: 600W
• Bidirectional Channels: 1
• Package / Case: DO-214AA, SMB
• Type: Zener
• Category: Transient Voltage Suppressors (TVS)

The SMBJ36CAHM3_B/I is classified as a manufacturer-recommended substitute. This part maintains identical electrical specifications and mechanical compatibility while offering Active product status, ensuring long-term availability and supply chain reliability.

Parameter Comparison

Engineering Selection Recommendations

The SMBJ36CAHM3_B/I is the direct substitute for the SMBJ36CAHM3_A/I. Both parts are manufactured by Vishay and maintain identical electrical and mechanical specifications. The primary distinction is product status: the SMBJ36CAHM3_A/I is Obsolete, while the SMBJ36CAHM3_B/I is Active.

Selection of the SMBJ36CAHM3_B/I is supported by:

• Identical voltage and current ratings across all critical parameters
• Matching automotive grade and AEC-Q101 qualification
• Equivalent RoHS3 compliance and environmental certifications
• Active product status ensuring continued availability and manufacturing support
• Identical DO-214AA (SMB) package and surface mount compatibility

No design modifications, PCB layout changes, or thermal management adjustments are required when transitioning from SMBJ36CAHM3_A/I to SMBJ36CAHM3_B/I.

Frequently Asked Questions (FAQ)

Q: Can SMBJ36CAHM3_B/I be used as a direct replacement for SMBJ36CAHM3_A/I without circuit modifications?

A: Yes. The SMBJ36CAHM3_B/I is electrically and mechanically identical to the SMBJ36CAHM3_A/I. No circuit design changes, PCB modifications, or component repositioning are necessary. The parts are pin-compatible and functionally equivalent.

Q: What is the difference between SMBJ36CAHM3_A/I and SMBJ36CAHM3_B/I?

A: The primary difference is product status. SMBJ36CAHM3_A/I is Obsolete, while SMBJ36CAHM3_B/I is Active. All electrical specifications, mechanical dimensions, and performance characteristics are identical. The substitute part is available in Tape & Reel (TR) packaging.

Q: Are both parts qualified for automotive applications?

A: Yes. Both SMBJ36CAHM3_A/I and SMBJ36CAHM3_B/I carry Automotive grade classification and AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: What package format is used for these TVS diodes?

A: Both parts use the DO-214AA (SMB) surface mount package, enabling direct PCB placement without mechanical or thermal design modifications.

Q: Are there any compliance or certification differences between the two parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical environmental and regulatory certifications. No compliance-related design changes are required.

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

A: Both parts operate across -55°C to 150°C junction temperature (TJ), supporting extended temperature applications in automotive and telecom environments.