SMBG150A-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBG150A-M3/52 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 protection applications. The device features a 150V reverse standoff voltage with a 243V maximum clamping voltage and 2.5A peak pulse current capability. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when inventory constraints, regional availability, or specific operational temperature requirements necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

SMBG150A-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1147SMBG150A-M3/52 Datasheet

Current PartRFQ

SMBG150A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 833SMBG150A-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMBG150A-M3/52 is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff: 150V (Typ)
• Voltage - Breakdown: 167V (Min)
• Voltage - Clamping: 243V (Max) @ Ipp
• Current - Peak Pulse: 2.5A (10/1000µs)
• Power - Peak Pulse: 600W
• Package / Case: DO-215AA, SMB Gull Wing
• Mounting Type: Surface Mount
• Series: TransZorb®
• Type: Zener, Unidirectional

The SMBG150A-E3/52 meets all substitution criteria as a direct equivalent within the same manufacturer family, with identical electrical ratings and package specifications. Differences in operating temperature range and inventory status do not affect electrical interchangeability for standard applications.

Parameter Comparison

Engineering Selection Recommendations

Both SMBG150A-M3/52 and SMBG150A-E3/52 are active production components with full RoHS3 compliance and identical electrical specifications. Selection between these parts should be based on:

• Inventory availability and lead time requirements
• Operating temperature environment constraints (SMBG150A-M3/52 supports -65°C to 175°C; SMBG150A-E3/52 supports -55°C to 150°C)
• Regional supplier preference and procurement channels

Both parts carry unlimited moisture sensitivity rating (MSL 1) and are suitable for immediate surface-mount assembly without special handling. No additional qualification or testing is required when substituting between these equivalent parts in applications within the overlapping temperature range of -55°C to 150°C.

Frequently Asked Questions (FAQ)

Q: Can SMBG150A-E3/52 be used as a direct replacement for SMBG150A-M3/52?

A: Yes, for applications operating within the temperature range of -55°C to 150°C. Both parts are electrically identical with matching voltage ratings, current ratings, and package specifications. The primary difference is the maximum operating temperature limit.

Q: What is the significance of the different operating temperature ranges?

A: SMBG150A-M3/52 supports -65°C to 175°C, while SMBG150A-E3/52 supports -55°C to 150°C. If your application requires operation below -55°C or above 150°C, use SMBG150A-M3/52. For standard industrial and commercial applications within -55°C to 150°C, both parts are equivalent.

Q: Are the package and mounting specifications identical?

A: Yes. Both parts use DO-215AA (SMB Gull Wing) surface-mount packaging with identical footprints and land patterns. No PCB redesign or assembly process changes are required when substituting between these parts.

Q: Do both parts meet RoHS compliance requirements?

A: Yes. Both SMBG150A-M3/52 and SMBG150A-E3/52 are RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1), requiring no special storage or handling procedures.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is based on matching: 150V reverse standoff voltage, 167V minimum breakdown voltage, 243V maximum clamping voltage, 2.5A peak pulse current, and 600W peak pulse power rating. Any deviation in these parameters disqualifies a part as a direct substitute.