Is there a pin-compatible replacement for NCD0603R2?

NCD0603R1 shares the same 0603 package and is expected to be pin-compatible, but verification of the land pattern and pinout from the datasheet is recommended. It is a strong form, fit, and functional match.

What risks should I check before replacing NCD0603R2?

Key risks include changes in luminous intensity (brightness) and viewing angle, which can alter the product's visual appearance. Also, verify the forward voltage is compatible with your drive circuit to ensure correct current and brightness.

NCD0603R2 Alternatives, Datasheet & Cross Reference | Ningbo Songle Relay Co., Ltd.

NCD0603R2 is a standard red 0603 SMD LED from NationStar, used for indication. When seeking replacements, key parameters are its 620nm wavelength, 2.0V forward voltage, and 100mcd intensity.

AI replacement insight

Electrical risklow

Forward voltage and current are common values for red LEDs.

Package risklow

The 0603 package is standardized.

Sourcing riskmedium

While many 0603 red LEDs exist, finding an exact brightness match can be challenging.

Can it be replaced directly?

NCD0603R1 is a strong candidate for direct replacement, sharing the same package, voltage, and color, with a minor increase in brightness.

Best replacement path

The best replacement path is NCD0603R1, a part from the same series with nearly identical parameters.

Main risk

The main risk when substituting is a mismatch in luminous intensity or viewing angle, which can affect visual appearance and uniformity.

Recommended alternatives

A very similar red 0603 LED from the same manufacturer with slightly higher brightness.

View details

Alternative comparison matrix

Feature / factor	NCD0603R2	NCD0603R1	A-SP192YR6AC-A01-4T	Compatibility / risk
Package	0603 (1608 Metric)	0603	0603	0603 — Package size matches.; A-SP192YR6AC-A01-4T: Package size matches.
Color	Red	Red	Brilliant Red	Red / Brilliant Red — Color matches.; A-SP192YR6AC-A01-4T: Color matches.
Voltage	2.0 V	2.0 V	1.7 V - 2.3 V	2.0 V / 1.7 V - 2.3 V — Forward voltage matches.; A-SP192YR6AC-A01-4T: Forward voltage range includes target's typical value.
Luminous Intensity	100 mcd	120 mcd	450 mcd - 900 mcd	120 mcd / 450 mcd - 900 mcd — Slightly brighter, generally acceptable.; A-SP192YR6AC-A01-4T: Significantly brighter, requires review.
Wavelength	620 nm	622 nm	-	622 nm — Dominant wavelength is very close.
Viewing Angle	130 deg	-	120 deg	120 deg — Slightly narrower viewing angle.

Application & sourcing insights

Questions & answers

NCD0603R1 is the strongest alternative, being from the same manufacturer series with very similar specifications. For cross-vendor options, A-SP192YR6AC-A01-4T is a functional match but is significantly brighter.