NP0720SBMCT3G Equivalent & Substitute Parts

Part Overview

The NP0720SBMCT3G is a 65V off-state, 250A peak pulse TVS thyristor manufactured by onsemi in DO-214AA (SMB) surface mount packaging. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The part functions as a transient voltage suppressor for circuit protection applications requiring high current pulse handling capability.

Substiute Parts

NP0720SBMCT3G

onsemiIn Stock: 821NP0720SBMCT3G Datasheet

Current PartRFQ

P0720SBLRP

Littelfuse Inc.In Stock: 7718P0720SBLRP Datasheet

DirectRFQ

P0720SCMCLRP

Littelfuse Inc.In Stock: 55112P0720SCMCLRP Datasheet

SimilarRFQ

SMP100LC-65

STMicroelectronicsIn Stock: 55194SMP100LC-65 Datasheet

SimilarRFQ

TB0720M-13-F

Diodes IncorporatedIn Stock: 25376TB0720M-13-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the NP0720SBMCT3G is determined by the following critical parameters:

• Voltage - Off State: 65V (exact match required)
• Voltage - Breakover: 88V (exact match required)
• Current - Peak Pulse (8/20µs): minimum 250A
• Package / Case: DO-214AA, SMB (exact match required)
• Mounting Type: Surface Mount (exact match required)

Substitute parts are grouped into two categories:

Direct Equivalents: Parts meeting all critical parameters with identical or superior current ratings and matching electrical specifications.

Similar Alternatives: Parts with the same voltage and package specifications but with enhanced current handling (400A peak pulse), suitable for applications requiring higher transient protection margins.

Parameter Comparison

Engineering Selection Recommendations

P0720SBLRP (Littelfuse Inc.) is the primary direct equivalent. This part maintains identical electrical specifications to the NP0720SBMCT3G while offering active product status and ROHS3 compliance. Availability is confirmed at 7660 units in stock. This part is supplied in Tape & Reel packaging and carries unlimited moisture sensitivity rating.

TB0720M-13-F (Diodes Incorporated) provides an alternative direct equivalent with active status and ROHS3 compliance. This part matches the 250A peak pulse requirement and maintains the same voltage specifications. On-state voltage is slightly lower at 4.6V compared to 4V. Availability is confirmed at 25300 units in stock.

P0720SCMCLRP (Littelfuse Inc.) and SMP100LC-65 (STMicroelectronics) are similar alternatives with enhanced current handling at 400A peak pulse. These parts are suitable for applications requiring higher transient protection margins while maintaining the same 65V off-state voltage and DO-214AA package. Both parts carry active product status and ROHS3 compliance.

All substitute parts maintain compliance with REACH regulations and carry EAR99 ECCN classification matching the original part.

Frequently Asked Questions (FAQ)

Q: Can P0720SCMCLRP or SMP100LC-65 be used as direct replacements for NP0720SBMCT3G?

A: Yes, with design consideration. Both parts maintain the required 65V off-state voltage and DO-214AA package. The 400A peak pulse rating (versus 250A) provides enhanced protection capability. The slightly different breakover voltage in SMP100LC-65 (85V versus 88V) must be evaluated against circuit requirements.

Q: What is the primary advantage of P0720SBLRP over the obsolete NP0720SBMCT3G?

A: P0720SBLRP maintains identical electrical specifications while offering active product status, ensuring long-term availability and supply chain continuity. It carries ROHS3 compliance and is available in higher quantities.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use DO-214AA (SMB) surface mount packaging. Packaging options vary: P0720SBLRP and P0720SCMCLRP are supplied in Tape & Reel format, while SMP100LC-65 is available in Cut Tape and Digi-Reel formats. TB0720M-13-F is supplied in Tape & Reel.

Q: What is the significance of the on-state voltage difference between TB0720M-13-F (4.6V) and the original part (4V)?

A: The on-state voltage represents the voltage drop across the thyristor when conducting. The 0.5V difference in TB0720M-13-F results in slightly lower power dissipation during transient events, which may be beneficial in thermally constrained applications.

Q: Which substitute part offers the best long-term availability?

A: P0720SBLRP and P0720SCMCLRP from Littelfuse Inc. both carry active product status with confirmed high inventory levels (7660 and 55100 units respectively), ensuring sustained availability for production and design support.