Details

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BUY LTTH1506D https://www.utsource.net/itm/p/12606637.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Forward Voltage	Vf	1.8	2.2	2.6	V	Voltage across the LED at If = 20mA
Reverse Current	Ir	-	100	-	nA	Reverse leakage current at Vr = 5V
Peak Forward Current	Ifp	-	100	-	mA	Maximum peak forward current (10 渭s)
Continuous Forward Current	If	-	20	-	mA	Maximum continuous forward current
Reverse Voltage	Vr	-	5	-	V	Maximum reverse voltage
Operating Temperature	Ta	-40	-	85	掳C	Ambient operating temperature range
Storage Temperature	Tstg	-40	-	100	掳C	Storage temperature range
Thermal Resistance	Rth	-	150	-	K/W	Junction to ambient thermal resistance
Luminous Intensity	Iv	1.0	2.5	6.0	mcd	Luminous intensity at If = 20mA
Viewing Angle	胃v	-	60	-	掳	Full angle at half intensity
Wavelength	位d	620	625	630	nm	Dominant wavelength at If = 20mA

Instructions for Use:

1. Mounting and Handling:

   • Handle the LTTH1506D with care to avoid mechanical damage.
   • Ensure that the leads are not bent or twisted excessively.
   • Soldering should be done within the recommended temperature and time limits.

2. Electrical Connections:

   • Connect the anode (longer lead) to the positive supply and the cathode (shorter lead) to the negative supply or ground.
   • Use a current-limiting resistor to ensure the forward current does not exceed the maximum rating (20mA).

3. Soldering:

   • Preheat the PCB to 100掳C to 150掳C.
   • Soldering temperature should not exceed 260掳C.
   • Soldering time should not exceed 10 seconds per connection.

4. Environmental Considerations:

   • Store the device in a dry, cool place to prevent moisture damage.
   • Operate the device within the specified temperature range to ensure reliable performance.

5. Testing:

   • Test the device using a constant current source to avoid damaging the LED.
   • Measure the forward voltage and luminous intensity to verify proper operation.

6. Optical Characteristics:

   • The viewing angle is 60掳, which means the light intensity is highest at the center and decreases as you move away from the center.
   • Use a diffuser or lens if a wider viewing angle is required.

7. Thermal Management:

   • Ensure adequate heat dissipation to keep the junction temperature within safe limits.
   • Use a heatsink if the device will be operated at high currents or in high-temperature environments.

(For reference only)