E6C0603UYAC1UDA
Dongguan EKINGLUX Optoelectronics Technology Co., Ltd.
Needs validationhigh risk
0603 yellow LED with similar Vf/current, not a red optical match.
Best Alternatives to NCD0603R3
NCD0603R3 is a red 0603 indication LED. The listed candidates need review because none match the red 630nm output.
AI replacement insight
Electrical riskmedium
Some candidates have higher Vf.
Package risklow
Most are 0603 2-pin.
Firmware risklow
Discrete LED, no firmware.
Sourcing riskmedium
Lifecycle fields are sparse.
Can it be replaced directly?
No confirmed direct replacement is supported by the provided data.
Best replacement path
Search for a red 0603 2-pin LED near 630nm, 2.0V, 20mA, 80mcd, 130°.
Main risk
Optical color mismatch is the main risk.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | NCD0603R3 | E6C0603UYAC1UDA | NCD0603B1 | NCD1608C1 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — same size; NCD0603B1: same size; NCD1608C1: same size |
| Pinout | 2-pin LED | 2-pin LED | 2-pin LED | 2-pin LED | 2-pin LED — polarity not checked; NCD0603B1: polarity not checked; NCD1608C1: polarity not checked |
| Voltage | 2.0V typ | 2.0V typ | 3.0V typ | 2.0V | 2.0V typ / 3.0V typ — same Vf; NCD0603B1: needs resistor check; NCD1608C1: same Vf |
| Current | 20mA | 20mA | 20mA | 20mA | 20mA — same test current; NCD0603B1: same current; NCD1608C1: same current |
| Application | red 630nm | yellow 590nm | blue 468nm | green 24mcd | yellow 590nm / blue 468nm / green 24mcd — color changes; NCD0603B1: color changes; NCD1608C1: dimmer, wrong color |
Application & sourcing insights
Questions & answers
None is a confirmed direct match here; choose a red 0603 2-pin LED near 630nm and 2.0V.