SMBJ75CD-M3/I Equivalent & Substitute Parts

Part Overview

The SMBJ75CD-M3/I is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and is designed for general-purpose transient voltage suppression applications. The device is classified as Active product status and carries full RoHS3 compliance. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

SMBJ75CD-M3/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 989SMBJ75CD-M3/I Datasheet

Current PartRFQ

SMBJ75CA-E3/5B

Vishay General Semiconductor - Diodes DivisionIn Stock: 6871SMBJ75CA-E3/5B Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMBJ75CD-M3/I are identified based on strict electrical and mechanical parameter alignment within the TransZorb® TVS diode family. The substitution criteria are:

Critical Parameters for Substitution:

• Reverse Standoff Voltage: 75V (Typ)
• Package / Case: DO-214AA, SMB (Surface Mount)
• Bidirectional Channels: 1
• Type: Zener
• Series: TransZorb®
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• RoHS Status: ROHS3 Compliant

Allowable Parameter Variance:

• Voltage - Breakdown (Min): Within ±2V tolerance
• Voltage - Clamping (Max) @ Ipp: Within ±3V tolerance
• Current - Peak Pulse (10/1000µs): Within ±0.1A tolerance
• Power - Peak Pulse: Equal or greater

Parts meeting these criteria are classified as direct substitutes and maintain functional equivalence in general-purpose transient voltage suppression applications.

Parameter Comparison

Engineering Selection Recommendations

Both the SMBJ75CD-M3/I and SMBJ75CA-E3/5B are Active product status components manufactured by Vishay General Semiconductor - Diodes Division within the TransZorb® series. Both devices carry ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

The SMBJ75CA-E3/5B is the manufacturer-recommended substitute for the SMBJ75CD-M3/I. Electrical parameters remain within acceptable variance: breakdown voltage differs by 1.3V, clamping voltage by 2V, and peak pulse current by 0.06A. These variations fall within standard component tolerance ranges for TVS diode applications.

Selection between these parts should be based on availability, packaging format (Tape & Reel), and specific circuit requirements. Both parts are suitable for direct substitution in general-purpose transient voltage suppression applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ75CA-E3/5B replace SMBJ75CD-M3/I in my circuit?

A: Yes. Both parts share identical reverse standoff voltage (75V), package type (DO-214AA, SMB), mounting configuration (Surface Mount), and operating temperature range (-55°C ~ 150°C). Electrical parameter variations (breakdown voltage, clamping voltage, peak pulse current) are within acceptable tolerance ranges for TVS diode substitution.

Q: What are the key differences between these two parts?

A: The primary differences are: SMBJ75CA-E3/5B has a minimum breakdown voltage of 83.3V versus 84.6V for SMBJ75CD-M3/I, a maximum clamping voltage of 121V versus 119V, and a peak pulse current of 5A versus 5.06A. All other electrical and mechanical specifications are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both SMBJ75CD-M3/I and SMBJ75CA-E3/5B are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: Do these parts require different PCB footprints?

A: No. Both parts use the DO-214AA (SMB) package and are surface mount components. They share identical PCB footprints and can be used interchangeably without layout modifications.

Q: Which part should I select for new designs?

A: Selection should be based on component availability and procurement lead times. Both parts are Active status and suitable for new designs. The SMBJ75CA-E3/5B is the manufacturer-recommended substitute option.