SMCG150A-M3/9AT Equivalent & Substitute Parts

Part Overview

The SMCG150A-M3/9AT 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 is currently in active production status and maintains full inventory availability. Identifying equivalent and substitute parts is essential for supply chain continuity, procurement flexibility, and design optimization across manufacturing environments.

Substiute Parts

SMCG150A-M3/9AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 881SMCG150A-M3/9AT Datasheet

Current PartRFQ

SMCG150A-E3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 893SMCG150A-E3/57T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMCG150A-M3/9AT is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 150V
• Voltage - Breakdown (Min): 167V
• Voltage - Clamping (Max) @ Ipp: 243V
• Current - Peak Pulse (10/1000µs): 6.2A
• Power - Peak Pulse: 1500W
• Unidirectional Channels: 1
• Package / Case: DO-215AB, SMC Gull Wing
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C to 150°C (TJ)

The SMCG150A-E3/57T qualifies as a direct substitute because it maintains identical electrical specifications, thermal performance, and mechanical packaging. Both parts belong to the same TransZorb® series and share the same base product number (SMCG150), differing only in tape reel configuration and supplier designation.

Parameter Comparison

Engineering Selection Recommendations

Both the SMCG150A-M3/9AT and SMCG150A-E3/57T are active production components with full regulatory compliance. Selection between these parts should be based on:

• Supply chain availability and lead time requirements
• Tape reel configuration compatibility with assembly equipment
• Supplier logistics and procurement terms
• Inventory management and stock rotation policies

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for industrial and commercial applications. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can SMCG150A-E3/57T be used as a direct replacement for SMCG150A-M3/9AT?

A: Yes. Both parts are electrically and mechanically identical, with matching voltage ratings (150V standoff, 167V breakdown, 243V clamping), current specifications (6.2A peak pulse), power dissipation (1500W), and DO-215AB surface-mount packaging. The difference lies only in tape reel supplier designation.

Q: What is the significance of the part number suffix (M3/9AT vs. E3/57T)?

A: The suffix indicates the tape reel configuration and supplier designation. Both configurations are compatible with standard surface-mount assembly equipment that accepts DO-215AB packages. Verify your equipment specifications for tape width and reel diameter compatibility.

Q: Are there any thermal or environmental differences between these parts?

A: No. Both parts operate across the identical temperature range (-55°C to 150°C junction temperature) and maintain the same moisture sensitivity level (MSL 1, Unlimited). Environmental performance is equivalent.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both SMCG150A-M3/9AT and SMCG150A-E3/57T are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations.

Q: What should I verify before switching between these parts in production?

A: Confirm tape reel compatibility with your pick-and-place equipment, verify supplier lead times and pricing, and ensure inventory rotation policies align with your procurement schedule. No electrical or thermal re-qualification is required.