SMBG12CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBG12CA-M3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface-mount component operates within the TransZorb® series and is classified as a Zener-type TVS diode. The device is designed for general-purpose transient voltage suppression applications and maintains Active product status. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required for procurement flexibility, inventory management, or supply chain continuity.

Substiute Parts

SMBG12CA-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 824SMBG12CA-M3/52 Datasheet

Current PartRFQ

SMBG12CA-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 4356SMBG12CA-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMBG12CA-M3/52 is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 12V
• Voltage - Breakdown (Min): 13.3V
• Voltage - Clamping (Max) @ Ipp: 19.9V
• Current - Peak Pulse (10/1000µs): 30.2A
• Power - Peak Pulse: 600W
• Package / Case: DO-215AA, SMB Gull Wing
• Mounting Type: Surface Mount
• Type: Zener
• Bidirectional Channels: 1

The substitute part SMBG12CA-E3/52 maintains identical electrical specifications and mechanical compatibility with the main part number, enabling direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both SMBG12CA-M3/52 and SMBG12CA-E3/52 are Active product status components manufactured by Vishay General Semiconductor - Diodes Division and maintain ROHS3 compliance. The electrical and mechanical specifications are equivalent across all critical parameters. The primary distinction is the operating temperature range: SMBG12CA-M3/52 supports -65°C to 175°C, while SMBG12CA-E3/52 supports -55°C to 150°C. Selection between these parts depends on the specific thermal requirements of the application. Both components carry MSL 1 (Unlimited) moisture sensitivity classification and are suitable for surface-mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can SMBG12CA-E3/52 be used as a direct replacement for SMBG12CA-M3/52?

A: Direct substitution is possible when the application operating temperature range does not exceed -55°C to 150°C (TJ). The SMBG12CA-M3/52 supports an extended temperature range of -65°C to 175°C. If the circuit operates within the narrower temperature window of the substitute part, electrical and mechanical compatibility is maintained.

Q: What are the critical parameters that define substitution eligibility?

A: Substitution eligibility is determined by matching: Voltage - Reverse Standoff (12V), Voltage - Breakdown (13.3V), Voltage - Clamping (19.9V), Current - Peak Pulse (30.2A), Power - Peak Pulse (600W), Package / Case (DO-215AA, SMB Gull Wing), and Mounting Type (Surface Mount).

Q: Are both parts suitable for the same PCB assembly process?

A: Yes. Both components use identical Surface Mount packaging (DO-215AA, SMB Gull Wing) and carry MSL 1 (Unlimited) moisture sensitivity classification, enabling use in standard surface-mount assembly workflows without process modification.

Q: What is the difference between the part numbers SMBG12CA-M3/52 and SMBG12CA-E3/52?

A: The suffix designations (M3 and E3) indicate different tape and reel configurations or manufacturing date codes. The electrical and mechanical specifications remain equivalent. The operating temperature range differs: M3 supports -65°C to 175°C, while E3 supports -55°C to 150°C.

Q: Are both parts RoHS compliant?

A: Yes. Both SMBG12CA-M3/52 and SMBG12CA-E3/52 are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements for electronic component manufacturing and distribution.