MBRS3200T3G Equivalent & Substitute Parts

Part Overview

The MBRS3200T3G is a Schottky rectifier diode manufactured by onsemi, rated for 200 V DC reverse voltage and 3 A average rectified current in a surface mount SMB (DO-214AA) package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are necessary when the primary part experiences supply constraints, when design requirements mandate alternative manufacturers for supply chain resilience, or when specific certifications such as automotive qualification are required for application compliance.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	840 mV @ 3 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	1	mA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C	°C
Package / Case	DO-214AA, SMB	—
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the MBRS3200T3G is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io): 3 A minimum
Package / Case: DO-214AA, SMB (surface mount)
Technology: Schottky
Operating Temperature - Junction: Must support application requirements

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: Acceptable range 840 mV to 950 mV @ 3 A
Current - Reverse Leakage @ Vr: Acceptable range 1 mA to 500 µA @ 200 V
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status: ROHS3 Compliant

Parts meeting all primary criteria and operating within secondary tolerance ranges are classified as direct substitutes. Parts with reduced current ratings (2 A) are classified as similar but with application-dependent suitability.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	Reverse Leakage @ Vr [µA]	Tj (Min-Max) [°C]	Product Status	Automotive Grade
MBRS3200T3G	onsemi	200	3	840 @ 3 A	1000	-65 to 175	Active	—
NRVBS3200NT3G	onsemi	200	3	840 @ 3 A	1000	-65 to 175	Active	AEC-Q101
S320	onsemi	200	3	900 @ 3 A	7	-65 to 150	Not For New Designs	—
SK3200B-LTP	Micro Commercial Co	200	3	860 @ 3 A	500	-55 to 150	Active	—
SK320B	Taiwan Semiconductor Corporation	200	3	950 @ 3 A	100	-55 to 150	Active	—
STPS2200U	STMicroelectronics	200	2	800 @ 2 A	5	-40 to 175	Active	—

Engineering Selection Recommendations

Direct Substitutes (Equivalent Current Rating - 3 A):

NRVBS3200NT3G is the preferred parametric equivalent to MBRS3200T3G. Both parts share identical electrical specifications (200 V, 3 A, 840 mV forward voltage, 1 mA reverse leakage) and identical operating temperature range (-65°C to 175°C). NRVBS3200NT3G carries AEC-Q101 automotive qualification, making it suitable for applications requiring automotive-grade components. Both parts are Active status and RoHS3 compliant.

SK3200B-LTP (Micro Commercial Co) and SK320B (Taiwan Semiconductor Corporation) are functionally equivalent substitutes with 200 V, 3 A ratings and fast recovery characteristics. SK3200B-LTP exhibits forward voltage of 860 mV and reverse leakage of 500 µA. SK320B exhibits forward voltage of 950 mV and reverse leakage of 100 µA. Both operate within -55°C to 150°C junction temperature range, which is narrower than the primary part. Both are Active status and RoHS3 compliant.

S320 (onsemi) meets all electrical specifications but carries "Not For New Designs" product status. This part is suitable only for legacy system maintenance or replacement applications where design continuity is required.

Reduced Current Rating Substitute (2 A):

STPS2200U (STMicroelectronics) is rated for 200 V and 2 A average rectified current. This part is suitable only for applications where the circuit design permits operation at reduced current capacity. STPS2200U exhibits superior forward voltage characteristics (800 mV @ 2 A) and operates across -40°C to 175°C junction temperature range. This part is Active status and RoHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can NRVBS3200NT3G replace MBRS3200T3G in all applications?

A: Yes. NRVBS3200NT3G is a parametric equivalent with identical voltage (200 V), current (3 A), forward voltage (840 mV @ 3 A), reverse leakage (1 mA @ 200 V), and operating temperature range (-65°C to 175°C). Both use DO-214AA SMB packaging. NRVBS3200NT3G includes AEC-Q101 automotive qualification, which is an additional certification not present in MBRS3200T3G.

Q: What is the difference between S320 and MBRS3200T3G?

A: S320 and MBRS3200T3G share identical electrical specifications (200 V, 3 A, 840 mV forward voltage, fast recovery). The primary difference is product status: MBRS3200T3G is Active, while S320 is classified as "Not For New Designs." S320 also exhibits lower operating temperature maximum (150°C versus 175°C) and higher reverse leakage (7 µA versus 1 mA). S320 is suitable for legacy applications only.

Q: Can SK320B replace MBRS3200T3G?

A: SK320B is functionally compatible with MBRS3200T3G for applications operating within -55°C to 150°C junction temperature range. Both parts are rated 200 V, 3 A with fast recovery characteristics. SK320B exhibits higher forward voltage (950 mV @ 3 A versus 840 mV @ 3 A) and lower reverse leakage (100 µA versus 1 mA). The narrower operating temperature range and higher forward voltage must be evaluated against circuit design requirements.

Q: Is STPS2200U a suitable substitute?

A: STPS2200U is suitable only for applications where circuit design permits operation at 2 A average rectified current. MBRS3200T3G is rated for 3 A. STPS2200U shares the 200 V voltage rating and fast recovery characteristics. STPS2200U exhibits superior forward voltage (800 mV @ 2 A) and operates across -40°C to 175°C. Current capacity must be verified before selection.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (NRVBS3200NT3G, S320, SK3200B-LTP, SK320B, STPS2200U) are RoHS3 compliant and REACH unaffected, matching the compliance status of MBRS3200T3G.

Q: What packaging options are available?

A: All substitute parts use DO-214AA SMB surface mount packaging, identical to MBRS3200T3G. Packaging variations include Cut Tape (CT) & Digi-Reel® for MBRS3200T3G, S320, SK3200B-LTP, and STPS2200U. SK320B is supplied in Tape & Reel (TR) format. Package format selection depends on assembly process requirements.

Q: Which substitute offers the best reverse leakage performance?

A: STPS2200U exhibits the lowest reverse leakage at 5 µA @ 200 V. NRVBS3200NT3G and MBRS3200T3G both exhibit 1 mA @ 200 V. SK3200B-LTP exhibits 500 µA @ 200 V. SK320B exhibits 100 µA @ 200 V. S320 exhibits 7 µA @ 200 V. Reverse leakage selection depends on circuit sensitivity to leakage current.

Q: What is the temperature operating range consideration for substitution?

A: MBRS3200T3G and NRVBS3200NT3G operate across -65°C to 175°C. S320, SK3200B-LTP, and SK320B operate across narrower ranges (-65°C to 150°C, -55°C to 150°C, and -55°C to 150°C respectively). STPS2200U operates across -40°C to 175°C. Application temperature requirements must be verified against each substitute's operating range.

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