NCP1117DT33RKG
onsemi
Needs validationmedium risk
A commercial-grade functional alternative from the same manufacturer with matching key electrical parameters and package.
Best Alternatives to NCV1117DT33T5G
NCV1117DT33T5G is an automotive-grade 3.3V, 1A LDO voltage regulator in a DPAK package. Finding a direct, qualified replacement involves matching electricals, package, and the critical AEC-Q100 rating.
AI replacement insight
Sourcing riskhigh
Replacing an AEC-Q100 part with a non-qualified one is a major risk in automotive applications.
Electrical risklow
Several candidates match key voltage and current ratings.
Package riskmedium
Some candidates have different packages, requiring board redesign. Pinout must always be verified.
Can it be replaced directly?
Direct replacement for NCV1117DT33T5G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For non-automotive use, NCP1117DT33RKG is the best path. For automotive, sourcing another AEC-Q100 qualified 1117-series LDO in a DPAK package is required.
Main risk
The primary risk is qualification mismatch; replacing an automotive-grade (AEC-Q100) part with a commercial-grade one without proper validation.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | NCV1117DT33T5G | NCP1117DT33RKG | MC33269DT-3.3G | LM1117RS-3.3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DPAK | DPAK | DPAK | TO-252 | DPAK / TO-252 — Package matches.; MC33269DT-3.3G: Package matches.; LM1117RS-3.3: Package is compatible (TO-252 is DPAK). |
| Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V — Output voltage matches.; MC33269DT-3.3G: Output voltage matches.; LM1117RS-3.3: Output voltage matches. |
| Current | 1.0A | 1.0A | 0.8A | 1.0A | 1.0A / 0.8A — Output current matches.; MC33269DT-3.3G: Lower output current capability.; LM1117RS-3.3: Output current matches. |
| Application | AEC-Q100 | Commercial | Commercial | - | Commercial — Candidate is commercial grade, target is automotive (AEC-Q100).; MC33269DT-3.3G: Lacks AEC-Q100 qualification. |
| Manufacturer | onsemi | - | - | TC | TC — Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
Verified drop-in options for NCV1117DT33T5G 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.