Datasheet NCSU334A(T) (Nichia) - 2

制造商Nichia
描述280nm Deep UV LED
页数 / 页20 / 2 — NICHIA STS-DA1-5547A SPECIFICATIONS. (1) Absolute Maximum Ratings
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NICHIA STS-DA1-5547A SPECIFICATIONS. (1) Absolute Maximum Ratings

NICHIA STS-DA1-5547A SPECIFICATIONS (1) Absolute Maximum Ratings

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NICHIA STS-DA1-5547A SPECIFICATIONS
(1) Absolute Maximum Ratings
Symbol Absolute Maximum Rating Unit Forward Current Item IF 500 mA Pulse Forward Current IFP 600 mA Allowable Reverse Current IR 85 mA Power Dissipation PD 3.16 W Operating Temperature Topr -10~85 °C Storage Temperature Tstg -40~100 °C Junction Temperature TJ 110 °C * Absolute Maximum Ratings at TS=25°C.
* IFP conditions with pulse width ≤10ms and duty cycle ≤10%. (2) Initial Electrical/Optical Characteristics
Item Symbol Condition Typ Max Unit VF IF=350mA 5.2 -V Radiant Flux Φe IF=350mA 55 -mW Peak Wavelength λp IF=350mA 280 -nm Δλ IF=350mA 10.0 -nm Forward Voltage Spectrum Half Width
Thermal Resistance RθJS -8.4 9.9 RθJC_real -4.3 4.6 RθJC_el -4.1 4.4 °C/W * Characteristics at TS=25°C.
* Radiant Flux value as per CIE 127:2007 standard.
* RθJS is the thermal resistance from the junction to the TS measurement point.
* Thermal resistance values (RθJC_real) determined by considering the energy conversion efficiency(ηe=3%). Refer to JESD51.
* The thermal resistance value (RθJC) is used to perform logical analysis (e.g. computer-based thermal analysis simulation) and
represents a thermal resistance between the die to the T C measurement point (PCB used: Aluminum PCB t=1.5mm, Insulating
layer t=0.12mm).
* For more details on thermal resistance, see CAUTIONS, (6) Thermal Management.
* It is recommended to operate the LEDs at a current greater than 10% of the sorting current to stabilize the LED characteristics. 1