SMBG24A-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBG24A-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the TransZorb® series and is designed for general-purpose transient voltage protection applications. The device is currently in active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

SMBG24A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 4414SMBG24A-E3/52 Datasheet

Current PartRFQ

SMBJ24A-TR

STMicroelectronicsIn Stock: 1704SMBJ24A-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBG24A-E3/52 is determined by electrical and mechanical parameter alignment within the TVS diode category. The primary substitute identified is the SMBJ24A-TR from STMicroelectronics, which maintains functional equivalence based on the following criteria:

Electrical Parameters (Must Match):

• Voltage - Reverse Standoff: 24V
• Voltage - Breakdown (Min): 26.7V
• Voltage - Clamping (Max) @ Ipp: 38.9V
• Power - Peak Pulse: 600W
• Operating Temperature Range: -55°C ~ 150°C (TJ)

Mechanical Parameters (Must Match):

• Mounting Type: Surface Mount
• Package Category: SMB (DO-214AA / DO-215AA compatible footprint)
• Unidirectional Channels: 1

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The SMBJ24A-TR meets all substitution criteria with a minor variance in peak pulse current (16A vs. 15.4A), which remains within acceptable tolerance for general-purpose TVS applications.

Parameter Comparison

Engineering Selection Recommendations

Both the SMBG24A-E3/52 and SMBJ24A-TR are active products with full RoHS3 compliance and REACH unaffected status. Selection between these parts is based on:

Availability and Inventory: The SMBG24A-E3/52 maintains higher stock levels (4384 Pcs) compared to the SMBJ24A-TR (1675 Pcs). For time-sensitive applications, the primary part may offer faster procurement.

Packaging Format: The SMBG24A-E3/52 is supplied in Tape & Reel (TR) format, while the SMBJ24A-TR is available in Cut Tape (CT) & Digi-Reel® format. Selection depends on assembly line requirements and minimum order quantities.

Manufacturer Series: The SMBG24A-E3/52 belongs to the TransZorb® series (Vishay), while the SMBJ24A-TR belongs to the SMBJ/TRANSIL™ series (STMicroelectronics). Both series are established for general-purpose TVS applications.

Compliance Certifications: Both parts carry identical compliance status (ROHS3, REACH unaffected, EAR99 ECCN, HTSUS 8541.10.0080), ensuring regulatory equivalence.

Frequently Asked Questions (FAQ)

Q: Can the SMBJ24A-TR directly replace the SMBG24A-E3/52 on existing PCBs?

A: Yes, both parts use SMB package footprints (DO-215AA and DO-214AA respectively). These packages are mechanically compatible for surface mount assembly. Verify PCB layout accommodates the specific gull wing or standard SMB lead configuration.

Q: What is the significance of the 0.6A difference in peak pulse current (15.4A vs. 16A)?

A: The SMBJ24A-TR provides marginally higher peak pulse current handling. Both parts maintain 600W peak pulse power rating and identical voltage clamping characteristics. This variance does not affect substitution eligibility for general-purpose applications.

Q: Are there packaging considerations when switching between these parts?

A: Yes. The SMBG24A-E3/52 is supplied in Tape & Reel format, while the SMBJ24A-TR uses Cut Tape & Digi-Reel® format. Confirm your assembly process supports the selected packaging format and minimum order quantities.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both the SMBG24A-E3/52 and SMBJ24A-TR are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. Operating temperature ranges are identical (-55°C ~ 150°C TJ).

Q: Which part should be selected for new designs?

A: Selection is based on procurement strategy, inventory availability, and packaging requirements. Both parts are active products with equivalent electrical performance and compliance status. Consult with your supply chain and manufacturing teams regarding preferred supplier and packaging format.