LR7533-M
LR
Needs validationlow risk
A likely pin-compatible alternative from the same manufacturer with identical electrical specifications.
Best Alternatives to LR7533-T
The LR7533-T is a 3.3V, 100mA LDO in SOT23-3L/SOT89-3 packages. Several functional alternatives and upgrades are available, including the same-series LR7533-M and parts from major manufacturers like Texas Instruments.
AI replacement insight
Package riskmedium
Target has two packages. Substitutes must match the correct footprint and pinout.
Electrical risklow
Many candidates meet or exceed key electrical specs like voltage and current.
Sourcing risklow
This is a common LDO type with many alternatives available from various manufacturers.
Can it be replaced directly?
Direct replacement for LR7533-T should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The LR7533-M is the most direct replacement, being from the same series with identical specs. For an upgrade, consider the TLV76033DBZR from Texas Instruments or TPL820F33-89TR for higher performance.
Main risk
The primary risk is physical incompatibility. The target part comes in two packages (SOT23-3L, SOT89-3), and a substitute's pinout must match the specific package used in the application.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | LR7533-T | LR7533-M | TLV76033DBZR | SSP7985P33PR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT23-3L / SOT89-3 | SOT23-3L / SOT89-3 | SOT-23 | SOT89-3 | SOT23-3L / SOT89-3 / SOT-23 — Identical package options. Pinout is likely identical but requires verification.; TLV76033DBZR: Matches one of the target's packages, but pinout must be verified.; SSP7985P33PR: Matches one of the target's packages, but pinout must be verified.; TPL820F33-89TR: Matches one of the target's packages, but pinout must be verified. |
| Voltage | 24V | 24V | 30V | 60V | 24V / 30V / 60V / 42V — Max input voltage is identical.; TLV76033DBZR: Higher max input voltage provides more margin.; SSP7985P33PR: Significantly higher max input voltage provides more margin.; TPL820F33-89TR: Higher max input voltage provides more margin. |
| Current | 100mA | 100mA | 100mA | 150mA | 100mA / 150mA / 180mA — Output current is identical.; TLV76033DBZR: Output current is identical.; SSP7985P33PR: Higher output current capability.; TPL820F33-89TR: Higher output current capability. |
| Temperature | -40°C to +105°C | -40°C to +105°C | -40°C to +125°C | - | -40°C to +105°C / -40°C to +125°C — Operating temperature range is identical.; TLV76033DBZR: Wider operating temperature range.; TPL820F33-89TR: Wider operating temperature range. |
Application & sourcing insights
Questions & answers
Verified drop-in options for LR7533-T 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.