MBRS3201PT3G Equivalent & Substitute Parts

Part Overview

The MBRS3201PT3G is a general-purpose rectifier diode manufactured by onsemi, rated for 200 V DC reverse voltage and 3 A average rectified current in a Surface Mount SMC (DO-214AB) package. This component is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support, maintenance, and production continuity. The part features fast recovery characteristics with a reverse recovery time of 35 nanoseconds, suitable for applications requiring rapid switching performance in rectification circuits.

Substiute Parts

MBRS3201PT3G

onsemiIn Stock: 819MBRS3201PT3G Datasheet

Current PartRFQ

S5D-E3/9AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 3241S5D-E3/9AT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRS3201PT3G is determined by the following critical electrical and mechanical parameters:

Voltage Rating Compatibility: The substitute part must maintain the same maximum DC reverse voltage rating of 200 V to ensure circuit protection and reliability under specified operating conditions.

Package Compatibility: The substitute part must use the DO-214AB (SMC) surface mount package to ensure mechanical and thermal compatibility with existing PCB layouts and assembly processes.

Current Rating Consideration: While the MBRS3201PT3G is rated for 3 A average rectified current, substitute parts with equal or higher current ratings are acceptable, as they provide equivalent or superior performance in the same application context.

Recovery Characteristics: The MBRS3201PT3G employs fast recovery technology (≤500 ns, >200 mA). Substitute parts may employ standard recovery characteristics (>500 ns) without compromising basic rectification function, though switching performance characteristics will differ.

Temperature Range: The substitute part must support the operating junction temperature range of -55°C to 155°C or a compatible subset thereof.

The S5D-E3/9AT from Vishay General Semiconductor - Diodes Division meets all mechanical and primary electrical compatibility criteria for substitution.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MBRS3201PT3G is classified as obsolete, whereas the S5D-E3/9AT maintains active product status with ongoing manufacturer support. Selection of the S5D-E3/9AT provides access to current manufacturing processes, quality assurance protocols, and supply chain continuity.

Compliance and Certification: Both parts share identical REACH status (REACH Unaffected) and ECCN classification (EAR99). The S5D-E3/9AT carries RoHS3 compliance certification, indicating conformance to current environmental and hazardous substance restrictions. The MBRS3201PT3G does not specify RoHS status due to its obsolete classification.

Moisture Sensitivity: Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Packaging Format: The S5D-E3/9AT is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations. The MBRS3201PT3G packaging format is not specified in available data.

The S5D-E3/9AT is suitable for direct substitution in applications where the MBRS3201PT3G is specified, provided that the differences in forward voltage characteristics, reverse recovery time, and maximum junction temperature are evaluated against specific circuit requirements.

Frequently Asked Questions (FAQ)

Q: Can the S5D-E3/9AT directly replace the MBRS3201PT3G in existing designs?

A: Yes, the S5D-E3/9AT is mechanically and electrically compatible for substitution. Both components share identical 200 V reverse voltage ratings and DO-214AB (SMC) surface mount packages. The higher current rating (5 A vs. 3 A) of the substitute part does not prevent substitution. However, differences in forward voltage drop and reverse recovery time should be evaluated against specific circuit performance requirements.

Q: What are the key differences between these two diodes?

A: The primary differences are: (1) Current rating—S5D-E3/9AT is rated 5 A versus 3 A for MBRS3201PT3G; (2) Recovery speed—MBRS3201PT3G features fast recovery (35 ns) while S5D-E3/9AT uses standard recovery (2.5 µs); (3) Forward voltage—S5D-E3/9AT exhibits higher forward voltage drop (1.15 V @ 5 A) compared to MBRS3201PT3G (840 mV @ 3 A); (4) Reverse leakage—S5D-E3/9AT has lower reverse leakage (10 µA @ 200 V) versus 1 mA for MBRS3201PT3G; (5) Product status—S5D-E3/9AT is active while MBRS3201PT3G is obsolete.

Q: Are the packages identical?

A: Yes, both components use the DO-214AB (SMC) surface mount package. PCB footprints and assembly processes are compatible without modification.

Q: Does the higher current rating of the S5D-E3/9AT affect circuit operation?

A: No. A component with a higher current rating operates safely in applications designed for lower current. The higher rating provides additional thermal margin and reliability headroom. Circuit performance is determined by the actual current drawn by the application, not the component's maximum rating.

Q: What impact does the difference in reverse recovery time have?

A: The MBRS3201PT3G's faster recovery time (35 ns) reduces switching losses and electromagnetic interference in high-frequency switching applications. The S5D-E3/9AT's standard recovery time (2.5 µs) is suitable for general-purpose rectification and lower-frequency applications. For applications operating above approximately 100 kHz, the recovery time difference may become significant and should be evaluated against circuit specifications.

Q: Is the S5D-E3/9AT available in the same packaging format?

A: The S5D-E3/9AT is supplied in Tape & Reel (TR) format, which is standard for automated surface mount assembly. The MBRS3201PT3G packaging format is not specified. Tape & Reel format is compatible with standard pick-and-place assembly equipment.

Q: What is the significance of the lower reverse leakage in the S5D-E3/9AT?

A: Lower reverse leakage (10 µA vs. 1 mA @ 200 V) indicates superior blocking characteristics and reduced standby current consumption. This is advantageous in applications where low leakage current is critical, such as precision analog circuits or battery-powered systems.

Q: Can I use the S5D-E3/9AT in applications requiring fast recovery characteristics?

A: The S5D-E3/9AT employs standard recovery technology and is not optimized for fast switching applications. If the original design specifically requires fast recovery performance (≤500 ns), the S5D-E3/9AT may not provide equivalent performance. Alternative fast recovery diodes with 200 V ratings should be evaluated for such applications.