
Ningbo Songle Relay Co., Ltd.
NCD0603O2 is the closest listed orange 0603 LED alternative.
NCD0603O1 is an orange 0603 indicator LED. The closest listed candidate is NCD0603O2, pending pin polarity review.
Vf and If must fit the resistor drive.
Kept parts are 0603/1608 class.
No firmware interface.
Lifecycle shows dash only.
No verified pin-compatible replacement is proven from the provided fields.
Start with NCD0603O2, then verify polarity, footprint and optical bin.
LED color, wavelength and polarity may not match.

Ningbo Songle Relay Co., Ltd.
NCD0603O2 is the closest listed orange 0603 LED alternative.
| Feature / factor | NCD0603O1 | NCD0603O2 | NCD0603R1 | A-SP192YR6AC-A01-4T | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 / 1608 (0603) — same size; NCD0603R1: same size; A-SP192YR6AC-A01-4T: same size; FC-1608R1-620: same metric size |
| Pinout | 2 pins | 2 pins | 2 pins | 2 pins | 2 pins — polarity not checked; NCD0603R1: polarity not checked; A-SP192YR6AC-A01-4T: polarity not checked; FC-1608R1-620: polarity not checked |
| Voltage | 2.0 V typ | 2.0 V | 2.0 V typ | 1.7-2.3 V | 2.0 V / 2.0 V typ / 1.7-2.3 V — same Vf; NCD0603R1: same Vf; A-SP192YR6AC-A01-4T: range overlaps; FC-1608R1-620: same Vf |
| Current | 20 mA | 20 mA | - | - | 20 mA — same If |
| Application | orange 610 nm,150 mcd,130° | orange 604 nm,150 mcd,130° | red 622 nm,120 mcd | red 450-900 mcd 120° | orange 604 nm,150 mcd,130° / red 622 nm,120 mcd / red 450-900 mcd 120° / red 80 mcd 140° — close optical; NCD0603R1: red and dimmer; A-SP192YR6AC-A01-4T: optical change; FC-1608R1-620: red and dimmer |
| Temperature | -30 to +85 C | - | - | missing | missing — not in key fields |
NCD0603O2 is the closest candidate by package, current, voltage, intensity and orange color.