SMBJ75D-M3/H Equivalent & Substitute Parts

Part Overview

The SMBJ75D-M3/H is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This surface-mount component is designed for general-purpose transient voltage suppression applications. The device is currently in active production status and is RoHS3 compliant. Substitute parts are identified when inventory constraints, lead time requirements, or design flexibility necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

SMBJ75D-M3/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 836SMBJ75D-M3/H Datasheet

Current PartRFQ

SMBJ75A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 3184SMBJ75A-E3/52 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ75D-M3/H is determined by strict alignment of the following electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 75V
• Voltage - Clamping (Max) @ Ipp: within acceptable tolerance range
• Current - Peak Pulse (10/1000µs): 5A or greater
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA, SMB (surface mount)
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C to 150°C minimum
• RoHS Status: RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The SMBJ75A-E3/52 meets all substitution criteria as a direct equivalent within the same TransZorb® series, maintaining identical mechanical compatibility and electrical performance specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the SMBJ75D-M3/H and SMBJ75A-E3/52 are active production components from Vishay General Semiconductor - Diodes Division and maintain full RoHS3 compliance. Selection between these parts is based on availability and lead time requirements rather than electrical or mechanical performance differences. The SMBJ75A-E3/52 offers higher inventory availability (3100 pcs) compared to the SMBJ75D-M3/H (738 pcs), making it suitable for applications where supply chain flexibility is a consideration. Both devices operate across the full -55°C to 150°C temperature range and maintain identical moisture sensitivity classification (MSL 1, Unlimited).

Frequently Asked Questions (FAQ)

Q: Can SMBJ75A-E3/52 be used as a direct replacement for SMBJ75D-M3/H?

A: Yes. Both parts share identical reverse standoff voltage (75V), power dissipation (600W), package type (DO-214AA, SMB), and operating temperature range (-55°C to 150°C). Clamping voltage and peak pulse current specifications are within compatible ranges for general-purpose TVS applications.

Q: Are there any package or mounting differences between these parts?

A: No. Both the SMBJ75D-M3/H and SMBJ75A-E3/52 use the DO-214AA (SMB) surface-mount package with identical mechanical dimensions and PCB footprint compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both components are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity classification, ensuring equivalent handling and storage requirements.

Q: What is the primary reason to consider substitution?

A: Inventory availability and lead time. The SMBJ75A-E3/52 maintains significantly higher stock levels, making it the preferred choice when supply continuity is critical.

Q: Are there electrical performance differences I should account for?

A: Clamping voltage differs slightly (119V vs. 121V) and peak pulse current is marginally lower in the substitute (5A vs. 5.06A). These variations remain within the design tolerance of the 75V reverse standoff class and do not affect functional compatibility in general-purpose transient suppression circuits.