RB520CM-40T2R Equivalent & Substitute Parts

Part Overview

The RB520CM-40T2R is a Schottky rectifier diode manufactured by Rohm Semiconductor, designed for surface mount applications in the VMN2M (SOD-923) package. This component operates at a maximum reverse voltage of 40 V with an average rectified current rating of 100 mA, making it suitable for low-voltage rectification and switching applications. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and thermal characteristics to ensure direct functional replacement in circuit designs.

Substiute Parts

RB520CM-40T2R

Rohm SemiconductorIn Stock: 8117RB520CM-40T2R Datasheet

Current PartRFQ

RB520CM-40T2R

Rohm SemiconductorIn Stock: 8117RB520CM-40T2R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RB520CM-40T2R is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Maximum reverse voltage (Vr): 40 V
• Average rectified current (Io): 100 mA
• Forward voltage (Vf): 710 mV @ 100 mA
• Reverse leakage current: 15 µA @ 40 V
• Technology classification: Schottky diode

Package and Mechanical Requirements:

• Package type: 2-SMD, Flat Lead
• Supplier device package: VMN2M (SOD-923)
• Mounting type: Surface Mount

Environmental and Compliance Criteria:

• Operating junction temperature: 150°C maximum
• RoHS3 compliance status
• Moisture sensitivity level: MSL 1

A substitute part must match all electrical parameters within the specified tolerances, maintain identical package and pinout configuration, and satisfy all compliance and environmental requirements. Parts that deviate from any of these criteria are not considered functional equivalents.

Parameter Comparison

Engineering Selection Recommendations

The RB520CM-40T2R is an active production component with full RoHS3 compliance and REACH unaffected status, ensuring regulatory compliance for industrial and commercial applications. The part carries MSL 1 rating, indicating unlimited shelf life without moisture sensitivity constraints, which simplifies inventory management and supply chain logistics.

When selecting equivalent or substitute parts, prioritize components that maintain identical electrical specifications (40 V reverse voltage, 100 mA average rectified current, 710 mV forward voltage) and package configuration (VMN2M SOD-923). The 150°C maximum junction temperature rating establishes the thermal operating envelope; substitute parts must not exceed this specification.

Active production status of the RB520CM-40T2R ensures long-term availability and consistent manufacturing quality. Compliance certifications (RoHS3, REACH unaffected) must be verified for any substitute component to maintain regulatory alignment in end-use applications.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the RB520CM-40T2R?

A: A valid substitute must match all electrical parameters (40 V reverse voltage, 100 mA average rectified current, 710 mV forward voltage at 100 mA, 15 µA reverse leakage), maintain the VMN2M (SOD-923) package configuration with 2-SMD flat lead mounting, and satisfy RoHS3 and MSL 1 compliance requirements.

Q: Can the RB520CM-40T2R be replaced with a diode having higher voltage or current ratings?

A: Higher voltage or current ratings do not constitute valid substitutes. The RB520CM-40T2R is specified for 40 V reverse voltage and 100 mA average rectified current. Components with different ratings may introduce circuit design incompatibilities and are not considered functional equivalents.

Q: Is the VMN2M (SOD-923) package interchangeable with other small-signal diode packages?

A: No. The VMN2M (SOD-923) package is a specific surface mount configuration with defined pinout and mechanical dimensions. Substitution requires identical package designation and physical compatibility with PCB footprints designed for this package type.

Q: What is the significance of the MSL 1 rating for this component?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture sensitivity constraints. This component does not require special moisture control during storage or handling, simplifying logistics and reducing storage costs compared to higher MSL-rated components.

Q: Does the RB520CM-40T2R require thermal management in typical applications?

A: The 150°C maximum junction temperature rating establishes the thermal operating limit. Thermal management requirements depend on circuit design, ambient temperature, and power dissipation. Circuit designers must verify that junction temperature remains within specification under worst-case operating conditions.

Q: Are there any packaging format alternatives for the RB520CM-40T2R?

A: The RB520CM-40T2R is supplied in Cut Tape (CT) packaging format. Alternative packaging formats (reel, tube, or tray) may be available through the manufacturer but represent different supply configurations rather than functional substitutes. The electrical and mechanical specifications remain identical across all packaging formats.