MBR5100MFST1G Equivalent & Substitute Parts

Part Overview

The MBR5100MFST1G is a Schottky rectifier diode manufactured by onsemi, rated for 100 V DC reverse voltage and 5 A average rectified current. This component is designed for surface mount applications in the 5-DFN (5x6) package configuration. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability for new production and repair applications.

Substiute Parts

MBR5100MFST1G
onsemiIn Stock: 3457MBR5100MFST1G Datasheet
MBR5100MFST1G
Current Part
NRVB5100MFST1G
onsemiIn Stock: 26291NRVB5100MFST1G Datasheet
NRVB5100MFST1G
Parametric Equivalent

Key Parameters

Parameter Value
Technology Schottky
Voltage - DC Reverse (Vr) (Max) 100 V
Current - Average Rectified (Io) 5 A
Voltage - Forward (Vf) (Max) @ If 980 mV @ 5 A
Speed Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr 10 µA @ 100 V
Mounting Type Surface Mount
Package / Case 8-PowerTDFN, 5 Leads
Supplier Device Package 5-DFN (5x6) (8-SOFL)
Operating Temperature - Junction -55°C ~ 175°C
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the MBR5100MFST1G is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

  • Voltage - DC Reverse (Vr) (Max): 100 V
  • Current - Average Rectified (Io): 5 A
  • Voltage - Forward (Vf) (Max) @ If: 980 mV @ 5 A
  • Current - Reverse Leakage @ Vr: 10 µA @ 100 V
  • Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical & Package Parameters:

  • Mounting Type: Surface Mount
  • Package / Case: 8-PowerTDFN, 5 Leads
  • Supplier Device Package: 5-DFN (5x6) (8-SOFL)

Environmental & Compliance Parameters:

  • Operating Temperature - Junction: -55°C ~ 175°C
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • REACH Status: REACH Unaffected

The substitute part NRVB5100MFST1G meets all specified electrical, mechanical, and compliance requirements, providing direct functional equivalence with identical parametric ratings and package specifications.

Parameter Comparison

Parameter MBR5100MFST1G NRVB5100MFST1G Match
Manufacturer onsemi onsemi Yes
Category Diodes, Rectifiers Diodes, Rectifiers Yes
Technology Schottky Schottky Yes
Voltage - DC Reverse (Vr) (Max) 100 V 100 V Yes
Current - Average Rectified (Io) 5 A 5 A Yes
Voltage - Forward (Vf) (Max) @ If 980 mV @ 5 A 980 mV @ 5 A Yes
Speed Fast Recovery ≤ 500ns, > 200mA (Io) Fast Recovery ≤ 500ns, > 200mA (Io) Yes
Current - Reverse Leakage @ Vr 10 µA @ 100 V 10 µA @ 100 V Yes
Mounting Type Surface Mount Surface Mount Yes
Package / Case 8-PowerTDFN, 5 Leads 8-PowerTDFN, 5 Leads Yes
Supplier Device Package 5-DFN (5x6) (8-SOFL) 5-DFN (5x6) (8-SOFL) Yes
Operating Temperature - Junction -55°C ~ 175°C -55°C ~ 175°C Yes
RoHS Status ROHS3 Compliant ROHS3 Compliant Yes
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Yes
REACH Status REACH Unaffected REACH Unaffected Yes
Product Status Obsolete Active Functional Equivalence

Engineering Selection Recommendations

The NRVB5100MFST1G is a direct parametric equivalent to the MBR5100MFST1G. Both components are manufactured by onsemi and share identical electrical specifications, package configurations, and environmental ratings. The primary distinction is product status: MBR5100MFST1G is obsolete, while NRVB5100MFST1G maintains active production status.

For new designs and ongoing production, NRVB5100MFST1G is the appropriate selection. Both parts satisfy ROHS3 compliance and REACH requirements, ensuring regulatory alignment for current manufacturing standards. The identical operating temperature range (-55°C ~ 175°C) and moisture sensitivity classification (MSL 1) confirm compatibility across all environmental and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can NRVB5100MFST1G be used as a direct replacement for MBR5100MFST1G?

A: Yes. NRVB5100MFST1G is a parametric equivalent with identical electrical ratings (100 V, 5 A, 980 mV forward voltage), identical package configuration (5-DFN 5x6), and identical environmental specifications. No circuit modifications are required.

Q: What is the difference between MBR5100MFST1G and NRVB5100MFST1G?

A: The components are electrically and mechanically identical. The primary difference is product status: MBR5100MFST1G is obsolete, while NRVB5100MFST1G is in active production. The packaging format differs (MBR5100MFST1G is supplied as individual units; NRVB5100MFST1G is supplied in Tape & Reel format).

Q: Are both parts compatible with the same PCB footprint?

A: Yes. Both components use the 8-PowerTDFN package with 5 leads in a 5-DFN (5x6) configuration. PCB footprints are identical, and no layout modifications are necessary.

Q: Do both parts meet current regulatory requirements?

A: Yes. Both MBR5100MFST1G and NRVB5100MFST1G are ROHS3 compliant and REACH unaffected, satisfying current environmental and regulatory standards.

Q: What is the operating temperature range for both parts?

A: Both components operate across a junction temperature range of -55°C to 175°C, providing identical thermal performance specifications.

Q: Are there any differences in reverse leakage current specifications?

A: No. Both parts specify identical reverse leakage current of 10 µA at 100 V, ensuring equivalent performance in reverse bias conditions.

Q: What packaging options are available?

A: MBR5100MFST1G is supplied as individual units. NRVB5100MFST1G is supplied in Tape & Reel (TR) format for automated assembly processes. Both use the same 5-DFN (5x6) package.

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