MBR0530T1G Equivalent & Substitute Parts

Part Overview

The MBR0530T1G is an onsemi Schottky rectifier diode rated for 30 V DC reverse voltage and 500 mA average rectified current in a surface mount SOD-123 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity for applications requiring Schottky diode functionality within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer	onsemi
Part Number	MBR0530T1G
Technology	Schottky
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 ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	130 µA @ 30 V
Package / Case	SOD-123
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 125°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MBR0530T1G are categorized based on electrical parameter compatibility and mechanical form factor. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Current - Average Rectified (Io): 500 mA minimum
Package / Case: SOD-123 (primary), SOD-323 (alternative form factor)
Mounting Type: Surface Mount
Technology: Schottky
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)

Substitution Categories:

Direct Parametric Equivalents (30 V, 500 mA, SOD-123): Parts with identical electrical ratings and same package form factor. These include MBR0530T3G (onsemi), NRVB0530T1G (onsemi, automotive qualified), MBR0530-TP (Micro Commercial Co), and STPS0530Z (STMicroelectronics).

Voltage-Rated Upgrades (40 V, 500 mA, SOD-123): Parts with higher reverse voltage rating (40 V) while maintaining 500 mA current rating and SOD-123 package. These include MBR0540T1G (onsemi) and STPS0540Z (STMicroelectronics). These parts are suitable for applications where higher voltage margin is required.

Similar Parts with Deviations: Parts that share core Schottky technology and SOD-123 package but differ in current rating, voltage rating, or package form factor. These include B0540W-7-F (40 V, 500 mA, Diodes Incorporated), BAT165E6327HTSA1 (40 V, 750 mA, SOD-323), BAT54JFILM (40 V, 300 mA, SOD-323), and BAT54W-E3-08 (30 V, 200 mA, SOD-123).

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Package	Temp Range	Packaging Type
MBR0530T1G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	-65°C ~ 125°C	Cut Tape (CT) & Digi-Reel®
MBR0540T1G	onsemi	40 V	500 mA	510 mV @ 500 mA	SOD-123	-55°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
MBR0530T3G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	-65°C ~ 125°C	Cut Tape (CT) & Digi-Reel®
NRVB0530T1G	onsemi	30 V	500 mA	430 mV @ 500 mA	SOD-123	-65°C ~ 125°C	Tape & Reel (TR)
MBR0530-TP	Micro Commercial Co	30 V	500 mA	550 mV @ 500 mA	SOD-123	-65°C ~ 125°C	Tape & Reel (TR)
STPS0530Z	STMicroelectronics	30 V	500 mA	430 mV @ 500 mA	SOD-123	-40°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
STPS0540Z	STMicroelectronics	40 V	500 mA	500 mV @ 500 mA	SOD-123	-40°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
B0540W-7-F	Diodes Incorporated	40 V	500 mA	510 mV @ 500 mA	SOD-123	-65°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
BAT165E6327HTSA1	Infineon Technologies	40 V	750 mA	740 mV @ 750 mA	SOD-323	-40°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
BAT54JFILM	STMicroelectronics	40 V	300 mA	900 mV @ 100 mA	SOD-323	-40°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
BAT54W-E3-08	Vishay General Semiconductor - Diodes Division	30 V	200 mA	800 mV @ 100 mA	SOD-123	-65°C ~ 125°C	Tape & Reel (TR)

Engineering Selection Recommendations

Direct Parametric Equivalents (Recommended for Direct Replacement):

MBR0530T3G, STPS0530Z, and MBR0530-TP are direct parametric equivalents to MBR0530T1G, sharing identical voltage and current ratings with SOD-123 package compatibility. MBR0530T3G and STPS0530Z maintain identical forward voltage characteristics (430 mV @ 500 mA). NRVB0530T1G is an automotive-qualified variant (AEC-Q101) with identical electrical parameters, suitable for applications requiring automotive-grade components.

Voltage-Rated Upgrades (40 V Alternatives):

MBR0540T1G, STPS0540Z, and B0540W-7-F provide 40 V reverse voltage rating while maintaining 500 mA current capacity in SOD-123 package. These parts are suitable for applications requiring higher voltage margin. Forward voltage increases to 500-510 mV @ 500 mA. All three maintain RoHS3 compliance and fast recovery speed characteristics.

Alternative Form Factor Considerations:

BAT165E6327HTSA1 and BAT54JFILM utilize SOD-323 package instead of SOD-123. BAT165E6327HTSA1 offers higher current capacity (750 mA) at 40 V rating. BAT54JFILM operates at 40 V with reduced current rating (300 mA). These parts require PCB layout modifications due to different package footprint.

Current-Limited Alternatives:

BAT54W-E3-08 maintains 30 V rating and SOD-123 package but is rated for 200 mA average rectified current, below the 500 mA specification of MBR0530T1G. This part is suitable only for applications with reduced current requirements.

All recommended substitute parts maintain RoHS3 compliance, MSL 1 rating, and fast recovery Schottky technology consistent with the original MBR0530T1G specification.

Frequently Asked Questions (FAQ)

Q: Can MBR0530T3G be used as a direct replacement for MBR0530T1G?

A: Yes. MBR0530T3G is a direct parametric equivalent with identical voltage (30 V), current (500 mA), forward voltage (430 mV @ 500 mA), and package (SOD-123) specifications. Both parts are onsemi products with identical operating temperature range (-65°C ~ 125°C) and RoHS3 compliance.

Q: What is the difference between MBR0530T1G and MBR0540T1G?

A: MBR0540T1G has a higher reverse voltage rating (40 V versus 30 V) while maintaining the same 500 mA current rating and SOD-123 package. Forward voltage increases from 430 mV to 510 mV @ 500 mA. MBR0540T1G is suitable for applications requiring higher voltage margin but operates at slightly higher forward voltage drop.

Q: Is NRVB0530T1G suitable for automotive applications?

A: NRVB0530T1G is qualified to AEC-Q101 automotive standard and carries automotive-grade designation. It maintains identical electrical parameters to MBR0530T1G (30 V, 500 mA, 430 mV Vf) and is suitable for automotive applications requiring qualified components.

Q: Can BAT54W-E3-08 replace MBR0530T1G?

A: BAT54W-E3-08 is not a suitable replacement. While it shares the same 30 V voltage rating and SOD-123 package, it is rated for only 200 mA average rectified current, which is below the 500 mA requirement of MBR0530T1G. This part is suitable only for lower-current applications.

Q: What are the packaging differences between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR)?

A: Cut Tape (CT) & Digi-Reel® packaging provides individual component strips suitable for manual handling and smaller volume applications. Tape & Reel (TR) packaging provides continuous reel format optimized for automated assembly equipment. Both packaging types contain identical components; selection depends on assembly process requirements.

Q: Can SOD-323 package parts (BAT165E6327HTSA1, BAT54JFILM) be used in place of SOD-123 parts?

A: SOD-323 and SOD-123 packages have different physical footprints and pin configurations. Direct PCB substitution is not possible without layout modification. BAT165E6327HTSA1 and BAT54JFILM require redesigned PCB footprints and cannot be used as drop-in replacements for SOD-123 packages.

Q: What is the significance of the 130 µA reverse leakage current specification?

A: Reverse leakage current (130 µA @ 30 V for MBR0530T1G) indicates the small current flowing through the diode when reverse biased. This specification is important for low-power applications and high-impedance circuits. Substitute parts with different leakage specifications (such as STPS0530Z at 130 µA or MBR0530-TP at 200 µA) may affect circuit performance in sensitive applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance status, consistent with MBR0530T1G. All parts also maintain MSL 1 (Unlimited) moisture sensitivity level rating.

Q: What is the operating temperature range difference between MBR0530T1G and STPS0530Z?

A: MBR0530T1G operates from -65°C to 125°C junction temperature. STPS0530Z operates from -40°C to 150°C. STPS0530Z provides wider high-temperature operation (150°C maximum versus 125°C) but narrower low-temperature operation (-40°C minimum versus -65°C). Selection depends on specific application temperature requirements.

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