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Best Alternatives to MMBD4148CC

Package: TO-236-3, SC-59, SOT-23-3onsemiDiodes - Rectifiers - ArraysPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 100 VCurrent - Average Rectified (Io) (per Diode): 200mAVoltage - Forward (Vf) (Max) @ If: 1 V @ 10 mACurrent - Reverse Leakage @ Vr: 5 µA @ 75 V

MMBD4148CC is a 100V, 200mA common-cathode switching diode in a SOT-23 package. This page provides verified alternatives and engineering analysis for replacement.

AI replacement insight

Electrical risklow

Key ratings match, but trr is slightly slower. Vf may also differ.

Package risklow

SOT-23 is a standard package with a common pinout for this configuration.

Sourcing risklow

Multiple vendors produce similar common-cathode diodes in SOT-23.

Can it be replaced directly?

Direct replacement for MMBD4148CC should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

BAV70LT1G from onsemi is a strong candidate, offering the same core specifications and a similar manufacturer.

Main risk

Slightly slower reverse recovery time (trr) could affect timing in high-speed switching circuits.

Recommended alternatives

2
BAV70LT1G package
BAV70LT1G

onsemi

Needs validationlow risk

A common cathode diode from onsemi in a SOT-23 package with matching voltage and current, but a slightly slower recovery time.

View details

Alternative comparison matrix

Feature / factorMMBD4148CCBAV70LT1GLBAV70LT1GAlt 3Compatibility / risk
PackageSOT-23SOT-23 (TO-236)-SOT-23 — Package matches.
Configuration1 Pair Common Cathode1 Pair Common Cathode-1 Pair Common Cathode — Diode configuration matches.
Voltage100V100V-100V — Reverse voltage matches.
Current200mA200mA-200mA — Forward current matches.
Trr4ns6ns-6ns — Slower reverse recovery time.

Application & sourcing insights

Questions & answers

Verified drop-in options for MMBD4148CC are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.