Details

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BUY SML4745 https://www.utsource.net/itm/p/12359733.html

Parameter	Description	Value	Unit
Part Number	Component Identifier	SML4745	-
Type	Device Type	LED	-
Color	Light Emitting Color	Red	-
Wavelength	Peak Emission Wavelength	633	nm
Forward Voltage	Voltage at 20mA	1.8	V
Reverse Voltage	Maximum Reverse Voltage	5	V
Continuous Current	Continuous Forward Current	20	mA
Peak Current	Peak Forward Current	50	mA
Viewing Angle	Full Angle at Half Intensity	120	°
Luminous Intensity	Luminous Intensity at 20mA	1000	mcd
Operating Temp.	Operating Temperature Range	-40 to +85	°C
Storage Temp.	Storage Temperature Range	-40 to +100	°C
Package Type	Enclosure Type	SMD	-

Instructions for Use:

1. Mounting: Ensure that the LED is mounted on a PCB with appropriate solder pads designed for surface mount devices (SMD). Follow standard reflow soldering profiles suitable for lead-free components.
2. Electrical Connection: Connect the LED in series with a current-limiting resistor to prevent damage from excessive current. The resistor value should be calculated based on the supply voltage and the desired forward current.
3. Current Handling: Do not exceed the continuous forward current of 20mA or peak forward current of 50mA to avoid damaging the device.
4. Thermal Management: Ensure adequate heat dissipation if used in high ambient temperatures or in applications where the LED will operate continuously at high currents.
5. Environmental Conditions: Operate within the specified temperature ranges to ensure reliable performance and longevity.
6. Polarity Check: Verify the correct polarity before applying power as LEDs are sensitive to reverse voltage beyond the specified limit.
7. Handling Precautions: Handle with care to avoid physical damage, especially during soldering operations. Use anti-static precautions to protect against electrostatic discharge (ESD).

(For reference only)