MBRS3201T3G Schottky Diode Equivalent & Substitute Parts

Part Overview

The MBRS3201T3G is an active Schottky 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 designed for fast recovery rectification applications requiring low forward voltage drop and rapid switching characteristics. Substitute parts are identified based on matching or exceeding the electrical performance specifications and maintaining compatible mechanical packaging for direct board-level replacement.

Substiute Parts

MBRS3201T3G

onsemiIn Stock: 19042MBRS3201T3G Datasheet

Current PartRFQ

MB320_R1_00001

Panjit International Inc.In Stock: 5095MB320_R1_00001 Datasheet

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SK4200L-TP

Micro Commercial CoIn Stock: 4260SK4200L-TP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MBRS3201T3G is determined by the following criteria:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 200 V minimum
• Package / Case: DO-214AB, SMC (surface mount compatibility)
• Technology: Schottky (fast recovery rectifier type)
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Current - Average Rectified (Io): Equal to or greater than 3 A
• Voltage - Forward (Vf) (Max) @ If: Equal to or less than 840 mV at rated current
• Reverse Recovery Time (trr): Equal to or less than 35 ns
• Current - Reverse Leakage @ Vr: Equal to or less than 1 mA @ 200 V
• Operating Temperature - Junction: Range must encompass or exceed -55°C to 150°C

Parts meeting these criteria are electrically and mechanically compatible for direct substitution in applications designed for the MBRS3201T3G.

Parameter Comparison

Engineering Selection Recommendations

MB320_R1_00001 (Panjit International Inc.)

This substitute meets all mandatory substitution criteria. The part maintains 200 V reverse voltage rating and 3 A current capacity in the DO-214AB SMC package. The forward voltage specification of 900 mV @ 3 A is 60 mV higher than the MBRS3201T3G, which represents acceptable variation within typical Schottky diode manufacturing tolerances. The extended operating temperature range (-65°C to 175°C) provides broader thermal coverage. ROHS3 compliance and MSL 1 rating confirm environmental and moisture handling compatibility. This part is suitable for direct substitution where the slightly elevated forward voltage drop is acceptable within circuit design margins.

SK4200L-TP (Micro Commercial Co)

This substitute exceeds the current rating specification at 4 A, providing additional current capacity margin beyond the 3 A requirement. The 200 V reverse voltage rating and DO-214AB SMC package maintain mechanical and electrical compatibility. Forward voltage of 860 mV @ 4 A is within acceptable range. Reverse recovery time matches the original specification at 35 ns. Operating temperature range (-55°C to 150°C) is identical to the MBRS3201T3G. ROHS3 compliance and MSL 1 rating confirm regulatory and handling compatibility. This part is suitable for direct substitution with the advantage of higher current capacity for applications requiring additional thermal or current margin.

Both substitute parts carry Active product status and full regulatory compliance certifications matching the original component.

Frequently Asked Questions (FAQ)

Q: Can MB320_R1_00001 replace MBRS3201T3G in all applications?

A: MB320_R1_00001 is electrically and mechanically compatible for direct substitution. The forward voltage difference of 60 mV at 3 A falls within normal Schottky diode manufacturing variation. Circuit designs must accommodate this specification within their voltage drop budget. Both parts share identical 200 V reverse voltage rating, 3 A current capacity, DO-214AB SMC package, and ROHS3 compliance.

Q: What is the advantage of using SK4200L-TP over MBRS3201T3G?

A: SK4200L-TP provides 4 A average rectified current capacity compared to 3 A for MBRS3201T3G. This higher current rating offers design margin for applications approaching the 3 A limit or requiring future current scaling. The forward voltage at 860 mV @ 4 A is comparable to the original specification. Both parts maintain identical 200 V reverse voltage, 35 ns reverse recovery time, and operating temperature range.

Q: Are all three parts interchangeable on the same PCB?

A: Yes. All three parts use the DO-214AB SMC package with identical pinout and footprint. Surface mount placement and reflow soldering processes are compatible across all three parts. No PCB layout modifications are required for substitution.

Q: Does forward voltage difference affect circuit performance?

A: Forward voltage specifications determine voltage drop across the diode during conduction. MB320_R1_00001 exhibits 60 mV higher forward voltage than MBRS3201T3G at 3 A. Circuit designs must verify that this additional voltage drop remains within acceptable limits for power dissipation, output voltage regulation, and thermal management. SK4200L-TP forward voltage is comparable to the original specification.

Q: What is the significance of reverse leakage current differences?

A: Reverse leakage current affects standby power consumption and circuit performance during reverse bias conditions. MB320_R1_00001 specifies 50 µA @ 200 V, which is lower than MBRS3201T3G at 1 mA @ 200 V, indicating superior reverse blocking performance. SK4200L-TP specifies 500 µA @ 200 V, which is higher than the original. Applications sensitive to reverse leakage must account for these differences in circuit analysis.

Q: Are temperature operating ranges compatible?

A: MBRS3201T3G and SK4200L-TP share identical operating temperature range of -55°C to 150°C. MB320_R1_00001 extends this range to -65°C to 175°C, providing broader thermal coverage. All three parts are suitable for standard industrial temperature applications. Extended temperature applications benefit from MB320_R1_00001.

Q: Do all parts meet the same compliance standards?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. Regulatory and environmental handling requirements are identical across all substitutes.