What is a cross-reference page for MBRB4030T4G?
This page groups mapped replacement options for MBRB4030T4G so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
MBRB4030T4G replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for MBRB4030T4G, then verify package, specifications, and application fit before approval.
Compare MBRB4030T4G against mapped replacement options
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This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
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| Parameter Comparison Chart | Current part MBRB4030T4G ON Semiconductor |
|---|---|
| Part Number | MBRB4030T4G |
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductor Products |
| Subcategory | Diodes - Rectifiers - Single |
| Package | TO-263-3 |
| Series | SWITCHMODE™ |
| Key Attributes | - |
| Description | DIODE SCHOTTKY 30V 40A D2PAK |
| Lifecycle | - |
| Stock | 146,772 |
| Available | 87,865 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Min Operating Temperature | -65°C |
| Mounting Type | Surface Mount |
| Lifecycle Status | ACTIVE (Last Updated: 5 days ago) |
| Factory Lead Time | 4 Weeks |
| Published | 2005 |
| Halogen Free | Halogen Free |
| Packaging | Cut Tape (CT) |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Element Configuration | Single |
| Length | 10.29mm |
| Manufacturer | ON Semiconductor |
| Categories | Discrete Semiconductor Products |
| Package / Case | TO-263-3, D2Pak (2 Leads + Tab), TO-263AB |
| Subcategory | Rectifier Diodes |
| HTS Code | 8541.10.00.80 |
| Series | SWITCHMODE™ |
| Sub-Categories | Diodes - Rectifiers - Single |
| Case Connection | CATHODE |
| Additional Feature | UL RECOGNIZED |
| Surface Mount | YES |
| Radiation Hardening | No |
| Reflow Temperature-Max (s) | 40 |
| Pbfree Code | yes |
| Number of Pins | 3 |
| Number of Terminations | 2 |
| Pin Count | 3 |
| Max Operating Temperature | 175°C |
| Voltage - Rated DC | 30V |
| Polarity | Standard |
| Current Rating | 40A |
| Width | 4.83mm |
| Output Current | 40A |
| Manufacturer's Part No. | MBRB4030T4G |
| Base Part Number | MBRB4030 |
| Height | 11.05mm |
| Terminal Finish | Tin (Sn) |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Operating Temperature - Junction | -65°C~175°C |
| Diode Type | Schottky |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Diode Element Material | SILICON |
| Forward Voltage | 550mV |
| Max Reverse Voltage (DC) | 30V |
| Max Repetitive Reverse Voltage (Vrrm) | 30V |
| Application | POWER |
| Average Rectified Current | 40A |
| Forward Current | 40A |
| Peak Reverse Current | 350μA |
| Max Forward Surge Current (Ifsm) | 300A |
| Max Surge Current | 300A |
| Peak Non-Repetitive Surge Current | 300A |
| Current - Reverse Leakage @ Vr | 350μA @ 30V |
| Voltage - Forward (Vf) (Max) @ If | 550mV @ 40A |
| Max Reverse Leakage Current | 350μA |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| JESD-30 Code | R-PSSO-G2 |
| HTSUS | 8541.10.0080 |
| ECCN Code | EAR99 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing MBRB4030T4G replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for MBRB4030T4G?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for MBRB4030T4G alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to MBRB4030T4G?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is MBRB4030T4G obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to MBRB4030T4G from ON Semiconductor is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.