MBR0520L Equivalent & Substitute Parts

Part Overview

The MBR0520L is a Schottky rectifier diode rated for 20 V DC reverse voltage and 500 mA average rectified current in a surface mount SOD-123 package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The MBR0520L series provides fast recovery characteristics suitable for low-voltage rectification applications requiring minimal forward voltage drop.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	20	V
Current - Average Rectified (Io)	500	mA
Voltage - Forward (Vf) (Max) @ If	385 mV @ 500 mA	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	250	µA @ 20 V
Mounting Type	Surface Mount	—
Package / Case	SOD-123	—
Operating Temperature - Junction	-65 to 125	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the MBR0520L are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents (Parametric Match): Parts that maintain identical electrical specifications across all critical parameters: 20 V reverse voltage, 500 mA average rectified current, 385 mV forward voltage drop at 500 mA, fast recovery speed, and SOD-123 surface mount packaging. These parts are interchangeable without circuit modification.

Similar Parts (Parametric Variation): Parts that share the same reverse voltage rating (20 V) and package type (SOD-123) but differ in one or more electrical parameters such as average rectified current, forward voltage, or reverse leakage current. Selection of similar parts requires circuit-level evaluation to confirm compatibility with application requirements.

The key parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): 20 V
Current - Average Rectified (Io): 500 mA
Voltage - Forward (Vf) (Max) @ If: 385 mV @ 500 mA
Package / Case: SOD-123
Technology: Schottky
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [mV]	Package	Product Status	Packaging Type
MBR0520L	onsemi	20	500	385 @ 500 mA	SOD-123	Obsolete	—
MBR0520LT1G	onsemi	20	500	385 @ 500 mA	SOD-123	Active	Cut Tape (CT) & Digi-Reel®
MBR0520LT3G	onsemi	20	500	385 @ 500 mA	SOD-123	Active	Tape & Reel (TR)
SBR80520LT1G	onsemi	20	500	385 @ 500 mA	SOD-123	Active	Tape & Reel (TR)
SBR80520LT3G	onsemi	20	500	385 @ 500 mA	SOD-123	Active	Tape & Reel (TR)
MBR0520-TP	Micro Commercial Co	20	500	450 @ 500 mA	SOD-123	Active	Tape & Reel (TR)
MBRX120LF-TP	Micro Commercial Co	20	1000	360 @ 1 A	SOD-123	Active	Cut Tape (CT) & Digi-Reel®
PMEG2005EH,115	Nexperia USA Inc.	20	500	390 @ 500 mA	SOD-123F	Active	Tape & Reel (TR)
SD103AW-TP	Micro Commercial Co	40	350	600 @ 200 mA	SOD-123	Active	Cut Tape (CT) & Digi-Reel®
SD103CW-13-F	Diodes Incorporated	20	350	600 @ 200 mA	SOD-123	Active	Tape & Reel (TR)
SD103CW-7-F	Diodes Incorporated	20	350	600 @ 200 mA	SOD-123	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Direct Equivalent Selection: For applications requiring exact electrical and mechanical compatibility with the MBR0520L, select from the active product status alternatives: MBR0520LT1G, MBR0520LT3G, SBR80520LT1G, or SBR80520LT3G. All four parts are manufactured by onsemi, maintain identical electrical specifications, and carry ROHS3 compliance and REACH unaffected status. The primary distinction among these parts is packaging format: Cut Tape (CT) & Digi-Reel® for MBR0520LT1G, and Tape & Reel (TR) for the remaining three variants. Selection between these options depends on procurement and assembly requirements.

Similar Part Consideration: The PMEG2005EH,115 from Nexperia USA Inc. provides parametric equivalence with a minor forward voltage variation (390 mV versus 385 mV at 500 mA) and uses SOD-123F packaging instead of standard SOD-123. This part is suitable for applications where the 5 mV forward voltage difference is acceptable. The PMEG2005EH,115 carries ROHS3 compliance and REACH unaffected status.

Current Upgrade Option: The MBRX120LF-TP from Micro Commercial Co provides higher current capability (1 A versus 500 mA) at the same 20 V reverse voltage rating and SOD-123 package. This part is applicable for designs requiring increased current capacity while maintaining voltage compatibility.

Lower Current Alternatives: The SD103CW-13-F and SD103CW-7-F from Diodes Incorporated provide 20 V reverse voltage rating in SOD-123 packaging but with reduced average rectified current (350 mA). These parts are suitable only for applications with lower current requirements than the original MBR0520L specification.

All recommended parts maintain ROHS3 compliance, REACH unaffected status, and fast recovery Schottky technology consistent with the original part classification.

Frequently Asked Questions (FAQ)

Q: Can MBR0520LT1G, MBR0520LT3G, SBR80520LT1G, and SBR80520LT3G be used interchangeably with MBR0520L?

A: Yes. These four parts maintain identical electrical specifications: 20 V reverse voltage, 500 mA average rectified current, 385 mV forward voltage at 500 mA, and SOD-123 surface mount packaging. The differences are packaging format (Cut Tape versus Tape & Reel) and product status (all are active). Electrical performance in the circuit is equivalent.

Q: What is the difference between SOD-123 and SOD-123F packaging?

A: SOD-123F is a variant of the SOD-123 package with different mechanical dimensions. While both are surface mount packages for small signal diodes, physical footprint differences may exist. Verify PCB layout compatibility before selecting PMEG2005EH,115 as a substitute.

Q: Can MBRX120LF-TP replace MBR0520L in all applications?

A: MBRX120LF-TP has higher current rating (1 A versus 500 mA) and lower forward voltage (360 mV at 1 A versus 385 mV at 500 mA). It is electrically compatible for 20 V reverse voltage applications but is oversized for circuits designed for 500 mA operation. Use only when higher current capacity is required or beneficial.

Q: Why are SD103CW-13-F and SD103CW-7-F listed as similar parts if they have lower current rating?

A: These parts share the same 20 V reverse voltage rating and SOD-123 package as MBR0520L but are rated for 350 mA average rectified current. They are suitable only for applications with current requirements at or below 350 mA. They are not suitable for circuits designed for the full 500 mA capability of MBR0520L.

Q: What is the significance of product status (Obsolete versus Active)?

A: Obsolete status indicates the MBR0520L is no longer manufactured. Active status parts are in current production and have assured long-term availability. For new designs or ongoing procurement, select from active status alternatives to ensure supply continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in this reference maintain ROHS3 compliance and REACH unaffected status, consistent with the original MBR0520L environmental classification.

Q: What packaging options are available for direct equivalents?

A: Direct equivalents are available in two packaging formats: Cut Tape (CT) & Digi-Reel® (MBR0520LT1G) and Tape & Reel (TR) (MBR0520LT3G, SBR80520LT1G, SBR80520LT3G). Selection depends on assembly equipment compatibility and procurement preferences.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message