MBR1020VL Equivalent & Substitute Parts

Part Overview

The MBR1020VL is a Schottky rectifier diode rated for 20 V DC reverse voltage and 1 A average rectified current in a surface mount SOD-123F package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and procurement needs. Equivalent parts maintain identical electrical performance characteristics while substitute parts provide functional alternatives within acceptable parameter tolerances for this diode category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	20	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	340 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Reverse Recovery Time (trr)	12.4	ns
Current - Reverse Leakage @ Vr	600	µA @ 20 V
Mounting Type	Surface Mount	—
Package / Case	SOD-123F	—
Operating Temperature - Junction	-55°C ~ 125°C	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MBR1020VL is determined by equivalence in the following critical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 20 V
Current - Average Rectified (Io): 1 A (or higher)
Technology: Schottky
Mounting Type: Surface Mount
Forward Voltage (Vf): 340 mV @ 1 A (or lower)
Reverse Recovery Time (trr): ≤ 500 ns
Operating Temperature Range: Minimum -55°C to 125°C

Package Compatibility: Parts in SOD-123F or SOD-123FL packages are directly compatible. The SL02-GS08 in DO-219AB package represents a functional substitute with equivalent electrical performance but requires PCB layout modification.

Substitute Classification:

Direct Manufacturer Equivalents (onsemi): MBR120VLSFT1G maintains identical electrical specifications with active product status and expanded temperature range (-65°C to 125°C).
Parametric Equivalents (Panjit International Inc.): MBR1020VL_R1_00001 and MBR1020VL-AU_R1_000A1 provide identical electrical performance with active status. The automotive-qualified variant (MBR1020VL-AU_R1_000A1) includes AEC-Q101 certification.
Similar Manufacturer Alternative (Vishay): SL02-GS08 offers equivalent voltage and current ratings with slightly higher forward voltage (420 mV @ 1.1 A) and lower reverse leakage (250 µA @ 20 V), requiring package footprint change.

Parameter Comparison

Parameter	MBR1020VL (Main)	MBR120VLSFT1G	MBR1020VL_R1_00001	MBR1020VL-AU_R1_000A1	SL02-GS08
Manufacturer	onsemi	onsemi	Panjit International Inc.	Panjit International Inc.	Vishay General Semiconductor
Product Status	Obsolete	Active	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	20 V	20 V	20 V	20 V	20 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1.1 A
Voltage - Forward (Vf) (Max) @ If	340 mV @ 1 A	340 mV @ 1 A	340 mV @ 1 A	340 mV @ 1 A	420 mV @ 1.1 A
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	12.4 ns	—	—	—	10 ns
Current - Reverse Leakage @ Vr	600 µA @ 20 V	600 µA @ 20 V	600 µA @ 20 V	600 µA @ 20 V	250 µA @ 20 V
Package / Case	SOD-123F	SOD-123F	SOD-123F	SOD-123F	DO-219AB
Operating Temperature - Junction	-55°C ~ 125°C	-65°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	125°C (Max)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Qualification	—	—	—	AEC-Q101	—

Engineering Selection Recommendations

For Direct Replacement (Same Package, Identical Specifications):

MBR120VLSFT1G (onsemi) is the primary recommendation. This part maintains identical electrical specifications to the MBR1020VL with active product status and extended temperature range (-65°C to 125°C). Both parts are ROHS3 compliant with MSL 1 rating, ensuring compatibility with existing supply chain and assembly processes.

For Equivalent Performance (Same Package, Panjit Sourcing):

MBR1020VL_R1_00001 and MBR1020VL-AU_R1_000A1 (Panjit International Inc.) provide parametric equivalence with identical electrical characteristics. Both maintain SOD-123F package compatibility and ROHS3 compliance. The automotive-qualified variant (MBR1020VL-AU_R1_000A1) includes AEC-Q101 certification for applications requiring automotive-grade components.

For Alternative Package Consideration:

SL02-GS08 (Vishay) offers functional substitution with equivalent voltage and current ratings. This part features lower reverse leakage current (250 µA versus 600 µA) and faster reverse recovery time (10 ns versus 12.4 ns). However, the DO-219AB package requires PCB layout modification and is not pin-compatible with SOD-123F footprints.

Compliance and Regulatory Status:

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating. No additional qualification or testing documentation is required for substitution within the specified electrical and thermal parameters.

Frequently Asked Questions (FAQ)

Q: Can MBR120VLSFT1G directly replace MBR1020VL without PCB modification?

A: Yes. MBR120VLSFT1G is packaged in SOD-123F, identical to the MBR1020VL. Electrical specifications are equivalent, and the part is pin-compatible for direct PCB substitution.

Q: What is the difference between MBR1020VL_R1_00001 and MBR1020VL-AU_R1_000A1?

A: Both parts are manufactured by Panjit International Inc. with identical electrical specifications. MBR1020VL-AU_R1_000A1 includes AEC-Q101 automotive qualification and capacitance specification (170 pF @ 4V, 1MHz). Selection depends on automotive qualification requirements.

Q: Why does SL02-GS08 have different forward voltage and reverse leakage specifications?

A: SL02-GS08 is manufactured by Vishay and operates at 1.1 A versus 1 A for the MBR1020VL. The higher current rating results in 420 mV forward voltage at 1.1 A. Lower reverse leakage (250 µA) reflects Vishay's manufacturing process. Both parameters remain within acceptable ranges for functional substitution.

Q: Is package change from SOD-123F to DO-219AB acceptable?

A: Package change requires PCB layout modification. SL02-GS08 in DO-219AB is not pin-compatible with SOD-123F footprints. This substitution is acceptable only when PCB redesign is feasible and thermal management requirements are met.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory requirements of the MBR1020VL.

Q: What is the temperature range difference between MBR1020VL and MBR120VLSFT1G?

A: MBR1020VL operates from -55°C to 125°C. MBR120VLSFT1G extends the lower limit to -65°C, providing wider temperature range coverage. Both maintain 125°C maximum junction temperature.

Q: Can MBR1020VL be used in automotive applications?

A: The standard MBR1020VL lacks automotive qualification. For automotive applications, MBR1020VL-AU_R1_000A1 (Panjit) with AEC-Q101 certification is the appropriate selection.

Q: What inventory status should influence part selection?

A: MBR120VLSFT1G has highest inventory (71,200 pcs), followed by MBR1020VL_R1_00001 (31,300 pcs). Inventory levels support long-term supply continuity for high-volume applications.

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