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Best Alternatives to LTST-C193KRKT-5A

Package: 0603 (1608 Metric)LITEONLEDs - DiscreteColor: RedLens Type: Water ClearForward Current: 20 mAForward Voltage: 1.70 - 2.30 VDominant Wavelength: 631 nm

The LTST-C193KRKT-5A is a standard 0603 red LED from LITEON, commonly used for indication. Several alternatives are available, with LTST-C191KRKT from the same manufacturer offering a near drop-in replacement.

AI replacement insight

Package risklow

The 0603 package is a standard size, and multiple candidates match.

Electrical riskmedium

Brightness and forward voltage can vary between parts. The best candidates are very close, but others require review.

Sourcing risklow

The target part is active and multiple alternatives exist from major manufacturers.

Can it be replaced directly?

Direct replacement for LTST-C193KRKT-5A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

LTST-C191KRKT is the best replacement path, offering a near-identical part from the same manufacturer.

Main risk

The main risk when substituting is a mismatch in luminous intensity (brightness) or viewing angle, which can affect the visual appearance and performance in the application.

Recommended alternatives

2
LTST-C191KRKT package
LTST-C191KRKT

LITEON

Needs validationlow risk

A near-identical 0603 red LED from the same manufacturer with a matching footprint and electricals.

View details

Alternative comparison matrix

Feature / factorLTST-C193KRKT-5ALTST-C191KRKTKP-1608SURCAlt 3Compatibility / risk
Package0603 (1608 Metric)0603 (1608 Metric)0603 (1608 Metric)0603 (1608 Metric) — Identical package dimensions.; KP-1608SURC: Identical package.
Viewing Angle130°130°120°130° / 120° — Identical viewing angle.; KP-1608SURC: Slightly narrower viewing angle.
Wavelength631nm631nm-631nm — Identical dominant wavelength.
Voltage1.7-2.3V2.0V typ2.5V max2.0V typ / 2.5V max — Typical Vf is within target range.; KP-1608SURC: Max Vf is slightly higher.
Luminous Intensity7.1-45.0mcd54mcd typ250mcd typ54mcd typ / 250mcd typ — Slightly brighter than target's max.; KP-1608SURC: Significantly brighter.

Application & sourcing insights

Questions & answers

Verified drop-in options for LTST-C193KRKT-5A 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.