MBR0530T3 Equivalent & Substitute Parts

Part Overview

The MBR0530T3 is a Schottky rectifier diode rated for 30 V DC reverse voltage and 500 mA average rectified current in a surface mount SOD-123 package. This part is classified as obsolete and is non-compliant with RoHS3 standards. Due to its obsolete status and regulatory non-compliance, equivalent and substitute parts with active product status and current compliance certifications are available to support ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	500 mA
Voltage - Forward (Vf) (Max) @ If	430 mV @ 500 mA
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	130 µA @ 30 V
Mounting Type	Surface Mount
Package / Case	SOD-123
Operating Temperature - Junction	-65°C ~ 125°C
Technology	Schottky
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical and mechanical compatibility with the MBR0530T3:

Direct Manufacturer Equivalent: Parts that maintain identical electrical specifications (30 V, 500 mA, 430 mV forward voltage, SOD-123 package) with the same manufacturer (onsemi) but feature active product status and current compliance certifications.

Parametric Equivalent: Parts that maintain all critical electrical parameters (30 V, 500 mA, 430 mV forward voltage, fast recovery speed, SOD-123 package) from the same or different manufacturers with active status and RoHS3 compliance. These parts are functionally interchangeable in circuit applications requiring these specifications.

Upgrade/Alternative: Parts that maintain the core voltage and current ratings (30 V, 500 mA) with active status and compliance certifications but may originate from different manufacturers. These parts support direct replacement in applications where the specified electrical parameters are met.

Similar Parts: Parts that share the Schottky technology and SOD-123 package form factor but differ in one or more electrical parameters (voltage rating, current rating, forward voltage, or reverse leakage). These parts are suitable for applications with relaxed parameter requirements or where higher ratings provide design margin.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Package	Product Status	RoHS Status	Operating Temp (Junction)
MBR0530T3	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	Obsolete	Non-compliant	-65°C ~ 125°C
MBR0530T3G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	Active	ROHS3 Compliant	-65°C ~ 125°C
MBR0530T1G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	Active	ROHS3 Compliant	-65°C ~ 125°C
NRVB0530T1G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	Active	ROHS3 Compliant	-65°C ~ 125°C
STPS0530Z	STMicroelectronics	30 V	500 mA	430 mV @ 500 mA	SOD-123	Active	ROHS3 Compliant	-40°C ~ 150°C
B130LAW-7-F	Diodes Incorporated	30 V	1 A	420 mV @ 1 A	SOD-123	Active	ROHS3 Compliant	-55°C ~ 125°C
MBR0530-TP	Micro Commercial Co	30 V	500 mA	550 mV @ 500 mA	SOD-123	Active	ROHS3 Compliant	-65°C ~ 125°C
PMEG3005EH,115	Nexperia USA Inc.	30 V	500 mA	430 mV @ 500 mA	SOD-123F	Active	ROHS3 Compliant	150°C (Max)
SD103BW-7-F	Diodes Incorporated	30 V	350 mA	600 mV @ 200 mA	SOD-123	Active	ROHS3 Compliant	-65°C ~ 125°C

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

MBR0530T3G and MBR0530T1G are the primary recommended substitutes. Both parts are manufactured by onsemi, maintain all electrical specifications of the MBR0530T3 (30 V, 500 mA, 430 mV forward voltage), and feature active product status with ROHS3 compliance. MBR0530T1G offers significantly higher inventory availability (583,300 units) compared to MBR0530T3G (6,520 units), making it the preferred choice for volume procurement.

For Automotive Applications:

NRVB0530T1G is qualified to AEC-Q101 automotive standards and maintains identical electrical specifications to the MBR0530T3. This part is suitable for applications requiring automotive-grade components with active status and ROHS3 compliance.

For Extended Temperature Range:

STPS0530Z (STMicroelectronics) provides an extended operating temperature range of -40°C to 150°C compared to the MBR0530T3 range of -65°C to 125°C. This part maintains all core electrical specifications (30 V, 500 mA, 430 mV forward voltage) and is ROHS3 compliant with active product status.

For Higher Current Capability:

B130LAW-7-F (Diodes Incorporated) is rated for 1 A average rectified current while maintaining the 30 V voltage rating and SOD-123 package. This part is suitable for applications requiring higher current capacity with the same voltage specification and package footprint.

For Alternative Packaging:

PMEG3005EH,115 (Nexperia USA Inc.) maintains the 30 V, 500 mA, and 430 mV specifications in an SOD-123F package variant. This part is suitable for applications where the SOD-123F package form factor is acceptable.

Frequently Asked Questions (FAQ)

Q: Can MBR0530T3G be used as a direct replacement for MBR0530T3?

A: Yes. MBR0530T3G is a direct equivalent with identical electrical specifications (30 V, 500 mA, 430 mV forward voltage) and SOD-123 package. The primary differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What is the difference between MBR0530T1G and MBR0530T3G?

A: Both parts are onsemi Schottky diodes with identical electrical specifications (30 V, 500 mA, 430 mV forward voltage) and SOD-123 packaging. The primary difference is packaging format: MBR0530T1G is supplied in Cut Tape (CT) & Digi-Reel format, while MBR0530T3G is also available in Cut Tape & Digi-Reel format. MBR0530T1G has significantly higher inventory availability.

Q: Is STPS0530Z compatible with MBR0530T3 in all applications?

A: STPS0530Z maintains all core electrical specifications (30 V, 500 mA, 430 mV forward voltage, fast recovery speed, SOD-123 package) and is suitable for direct replacement. The extended operating temperature range (-40°C to 150°C versus -65°C to 125°C) provides additional design margin in high-temperature environments. No circuit modifications are required.

Q: Can B130LAW-7-F replace MBR0530T3?

A: B130LAW-7-F is suitable for applications where higher current capacity is beneficial. It maintains the 30 V voltage rating and SOD-123 package but is rated for 1 A instead of 500 mA. The forward voltage is 420 mV @ 1 A. This part is a suitable upgrade for applications requiring higher current handling with the same voltage specification.

Q: Why is NRVB0530T1G recommended for automotive applications?

A: NRVB0530T1G carries AEC-Q101 automotive qualification and maintains all electrical specifications of the MBR0530T3 (30 V, 500 mA, 430 mV forward voltage, SOD-123 package). This qualification ensures the part meets automotive industry reliability and quality standards.

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

A: Both are surface mount packages with identical electrical performance. SOD-123F is a variant of the SOD-123 package. Parts in either package are mechanically and electrically compatible for applications where the specific package variant is acceptable to the design.

Q: Is MBR0530-TP a suitable substitute despite the higher forward voltage?

A: MBR0530-TP maintains the 30 V voltage rating and 500 mA current rating in SOD-123 package with active status and ROHS3 compliance. The forward voltage is specified as 550 mV @ 500 mA compared to 430 mV for the MBR0530T3. This part is suitable for applications where the higher forward voltage does not impact circuit performance or power dissipation requirements.

Q: Can SD103BW-7-F be used as a substitute for MBR0530T3?

A: SD103BW-7-F maintains the 30 V voltage rating and SOD-123 package but is rated for 350 mA instead of 500 mA. This part is suitable for applications with lower current requirements or where the 350 mA rating provides adequate margin. The forward voltage specification differs (600 mV @ 200 mA). Verify that the lower current rating and different forward voltage characteristics are acceptable for the specific application.

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