ORH-B36G
Orient
Needs validationhigh risk
A parametric alternative with a much narrower operating temperature range and slightly smaller viewing angle. Requires careful review.
Best Alternatives to LTST-C193TBKT-5A
Find suitable replacements for the LTST-C193TBKT-5A, a blue 0603 SMD LED from LITEON. This guide compares pin-compatible and functional alternatives, highlighting key parametric differences for a successful substitution.
AI replacement insight
Electrical risklow
Forward voltage and current are similar across candidates.
Package risklow
All viable candidates share the same 0603 footprint.
Thermal riskmedium
Candidates have a narrower operating temperature range.
Can it be replaced directly?
No verified direct drop-in replacement exists without review. NCD0603B4 is the closest functional fit but has a narrower temperature range that requires validation.
Best replacement path
Start with NCD0603B4 due to its close match in brightness and voltage, but verify the -30°C minimum operating temperature is acceptable for your design.
Main risk
The primary risk is the narrower operating temperature range of most alternatives, which may not be suitable for applications operating in colder environments.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | LTST-C193TBKT-5A | NCD0603B4 | NCD0603B1 | ORH-B36G | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) — Form and fit are identical.; NCD0603B1: Form and fit are identical.; ORH-B36G: Form and fit are identical. |
| Color | Blue | Blue | Blue | Super Blue | Blue / Super Blue — Color is a match.; NCD0603B1: Color is a match.; ORH-B36G: Color is a match. |
| Wavelength | 468 nm | 470 nm | - | - | 470 nm — Perceptually identical wavelength. |
| Luminous Intensity | 15 mcd @ 5mA | ~12.5 mcd @ 5mA | ~30 mcd @ 5mA | - | ~12.5 mcd @ 5mA / ~30 mcd @ 5mA — Very similar brightness at target's test current.; NCD0603B1: Significantly brighter at target's test current. |
| Temperature | -40°C to +85°C | -30°C to +85°C | -30°C to +85°C | -25°C to 80°C | -30°C to +85°C / -25°C to 80°C — Narrower operating temperature range on the low end.; NCD0603B1: Narrower operating temperature range on the low end.; ORH-B36G: Significantly narrower operating temperature range. |
| Viewing Angle | 130° | - | - | 120° | 120° — Slightly narrower viewing angle. |
Application & sourcing insights
Questions & answers
NCD0603B4 is a strong candidate, offering a similar 0603 package, blue color, and brightness. However, its operating temperature range starts at -30°C, which should be verified for your application.