1. Product Identification

️· Product Type: Dual Color LED Lamp
️· Manufacturer: LIGITEK ELECTRONICS CO., LTD.
️· Part Number: LSRF9UG42292/R1-PF
️· Document Number: QW0905
️· Revision: A
️· Date: 31 - Mar - 2008 (likely a publication date)
️· Lead-Free Parts (Indicates compliance with RoHS)

2. Absolute Maximum Ratings

Parameter	Symbol	Value (Red)	Value (Green)	Unit
Forward Current	IF	30	30	mA
Peak Forward Current (1/10 Duty)	IFP	90	60	mA
Power Dissipation	PD	75	75	mW
Reverse Current @ 5V	Ir	10	10	μA
Electrostatic Discharge (ESD)	ESD	2000	2000	V
Operating Temperature	Topr	-40 to +85	-40 to +85	°C
Storage Temperature	Tstg	-40 to +100	-40 to +100	°C

3. Electrical and Optical Characteristics

Parameter	Color	Symbol	Min	Typ	Max	Unit
Dominant Wavelength	Red	λD	630			nm
Dominant Wavelength	Green	λD	574			nm
Spectral Half Width	Red	Δλ			20	nm
Spectral Half Width	Green	Δλ			20	nm
Forward Voltage @ 20mA	Red	Vf	1.7	2.6		V
Forward Voltage @ 20mA	Green	Vf	1.5	2.4		V
Luminous Intensity @ 20mA	Red	IV		50	70	mcd
Luminous Intensity @ 20mA	Green	IV		15	70	mcd
Viewing Angle (1/2)		2θ			70	°

4. Material and Lens Details

️· Material: AlGaInP
️· Red Lens: White Diffused
️· Green Lens: Green

5. Testing and Reliability Standards

The document references a number of testing standards to ensure quality and reliability. These include MIL-STD (Military Standard) and JIS (Japanese Industrial Standard) for:

️· Operating Life Test
️· High Temperature Storage Test
️· Low Temperature Storage Test
️· High Temperature/High Humidity Test
️· Thermal Shock Test
️· Solder Resistance Test
️· Solderability Test

Key Takeaways:

️· This is a dual-color LED lamp (Red and Green).
️· It’s a lead-free component.
️· The datasheet outlines the electrical and optical characteristics, absolute maximum ratings, and testing standards adhered to.