Best Alternatives to NCD0603R5

Component

NCD0603R5 is a red 0603 indicator LED. The closest listed candidate is another red 0603 LED, but pinout and bin data need review.

AI replacement insight

Electrical riskmedium

Vf and IF are close for the red candidate.

Package riskmedium

0603 matches, but pad polarity is unchecked.

Firmware risklow

Discrete LED has no firmware interface.

Sourcing riskmedium

Lifecycle markers are not detailed.

Can it be replaced directly?

Direct replacement for NCD0603R5 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Review A-SP192YR6AC-A01-4T first for red 0603 applications.

Main risk

LED color, polarity, and optical bin may change the end appearance.

Recommended alternatives

3

Alternative comparison matrix

Feature / factorNCD0603R5A-SP192YR6AC-A01-4TNCD0603O2NCD0603O1Compatibility / risk
Package06030603060306030603 — same size; NCD0603O2: same size; NCD0603O1: same size
Pinout2 pins2 pins2 pins2 pins2 pins — polarity not checked; NCD0603O2: polarity not checked; NCD0603O1: polarity not checked
Voltage2.0 V1.7-2.3 V2.0 V2.0 V1.7-2.3 V / 2.0 V — range covers target; NCD0603O2: same Vf; NCD0603O1: same Vf
Current20 mA20 mA20 mA20 mA20 mA — same IF; NCD0603O2: same IF; NCD0603O1: same IF
Applicationred 620nm 180mcd 130degred 617-625nm 450-900mcd 120degorange 604nm 150mcdorange 610nm peak 150mcdred 617-625nm 450-900mcd 120deg / orange 604nm 150mcd / orange 610nm peak 150mcd — brighter, narrower; NCD0603O2: color shift; NCD0603O1: color and Iv differ

Application & sourcing insights

Questions & answers

Verified drop-in options for NCD0603R5 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.