UVTOP270-SMD v 1.0 11.07.2013 Description UVTOP270-SMD is a series of AlGaN based surface mount deep UV-LEDs with a typical peak wavelength of 275nm and optical output power of 400-800 µW. It comes in ceramic SMD package with different lens configurations available. UVTOP270-SMD is widely used for forensic analysis, disinfection, water sterilization, protein analysis, DNA sequencing and drug discovery. Maximum Ratings (T CASE = 25°C) Parameter Values Symbol Power Dissipation, DC* Forward Current, DC Pulsed Current (1% duty cycle, 1kHz) Reverse Voltage Operating Temperature Storage Temperature Soldering Temperature (max. 5s) Min. PD IF IFP UR Topr Tstg Tsol -6 -30 -30 Max. 200 30 200 +55 +100 +190 Unit mW mA mA V °C °C °C *Maximum dissipated power must not exceed 200mW without thermal management General Characteristics (T Parameter CASE = 25°C, IF = 20mA) Symbol Min.* λP ∆λ UF Peak Wavelength Half Width (FWHM) Forward Voltage Values Typ.* 275 12 6.2 Max.* 285 15 7.5 Unit nm nm V *wavelength measurement tolerance: ± 2 nm, forward voltage measurement tolerance: ± 2 % Electro-Optical Characteristics (T Part Number UVTOP270-HL-SMD UVTOP270-EW-SMD UVTOP270-FW-SMD UVTOP270-NW-SMD Window Hemispherical Lens Encapsulated Window Flat Window No Window CASE = 25°C, IF = 20mA) Optical Power POUT (µW) Min.* Typ.* 400 800 400 800 400 800 400 800 View. Angle 2Ө1/2 (°) Typ. 20 120 120 120 * typical values ONLY, not guaranteed specifications, output power measurement tolerance: ± 10 %, www.roithner-laser.com 1 Performance Characteristics Normalized output power vs. Wavelength Peak Wavelength vs. Forward Current Forward Voltage vs. Forward Current Output Power vs. Forward Current Normalized Output Power vs. Temperature Normalized Forward Voltage vs. Temperature www.roithner-laser.com 2 Emission Characteristics UVTOP270-HL-SMD, Hemispherical Lens UVTOP270-EW-SMD, Encapsulated Window UVTOP270-FW-SMD, Flat Window UVTOP270-NW-SMD, No Window www.roithner-laser.com 3 Outline Dimensions UVTOP270-HL-SMD All dimensions in mm UVTOP270-EW-SMD All dimensions in mm UVTOP270-FW-SMD All dimensions in mm www.roithner-laser.com 4 Outline Dimensions UVTOP270-NW-SMD All dimensions in mm Device Materials Part Package Lens Bonding Wires www.roithner-laser.com Material Ceramic SiO2 Au 5 Precautions Soldering: • • • • • Do avoid overheating of the LED Do avoid electrostatic discharge (ESD) Do avoid mechanical stress, shock, and vibration Do only use non-corrosive flux. Do not apply current to the LED until it has cooled down to room temperature after soldering Recommended soldering conditions: dip soldering pre-heat time dipping time solder bath temperature hand soldering max 30 s max 5 s max 190 °C soldering time solder temperature max 5 s max 190 °C Above table specifies the maximum allowed duration and temperature during soldering. It is strongly advised to perform soldering at the shortest time and lowest temperature possible. Cleaning: Cleaning with isopropyl alcohol, propanol, or ethyl alcohol is recommended DO NOT USE acetone, chloroseen, trichloroethylene, or MKS DO NOT USE ultrasonic cleaners Static Electricity: UVTOP LEDs are sensitive to electrostatic discharge (ESD). Precautions against ESD must be taken when handling or operating these LEDs. Surge voltage or electrostatic discharge can result in complete failure of the device. UV-Radiation: During operation these LEDs do emit high intensity ultraviolet light, which is hazardous to skin and eyes, and may cause cancer. Do avoid exposure to the emitted UV light. Protective glasses are recommended. It is further advised to attach a warning label on products/systems that do utilize UV-LEDs: Class 1 Operation: Do only operate UVTOP LEDs with a current source. Running these LEDs from a voltage source will result in complete failure of the device. Current of a LED is an exponential function of the voltage across it. Usage of current regulated drive circuits is mandatory © All Rights Reserved The above specifications are for reference purpose only and subjected to change without prior notice www.roithner-laser.com 6