PCB section 1 for pdf 18/1/00 3:22 pm Page 16 PCB MOUNTING LEDs - Ø 5mm High intensity light • output • Full colour range • Side-stackable housing Reverse polarity • options available 154 SERIES Dimensions in mm (Typical) Scale 1:1 MLQ = 50 LEDs Ordering Information & Typical Technical Characteristics (Ta = 25°C) Mean Time Between Failure = 100,000 Hours. Luminous intensity figures refer to the unmodified discrete LED. PART NUMBER COLOUR LENS VOLTAGE DC Vf@20mA CURRENT DC lopr LUMINOUS INTENSITY lv@20mA WAVE LENGTH λp VIEWING ANGLE OPERATING TEMP Topr STORAGE TEMP Tstg Narrow -20 ~+60 -30 ~+85 °C °C STANDARD INTENSITY HIGH INTENSITY 154-501-04 Red 1.9 20 2750 154-521-04 Yellow 2.0 20 4500 590 154-532-04 Green 3.4 20 6000 525 Water Clear 660 154-930-04 Blue 3.4 20 2000 470 154-997-04 White 3.4 20 3000 • Vdc mA mcd nm UNITS • = Typical emission colour: x=0.31, y=0.32. Colour temperature 8000K. Intensities (Iv) and colour shades of white (x,y co-ordinates) may vary between LEDs within a batch. Please note - Other lead lengths are available on request. Please contact our Sales department for further details. FOR NEW PRODUCTS SEE OUR WEBSITE Telephone +44 (0)1229 582430 • Fax: +44 (0)1229 585155 • email: [email protected] • website: www.marl.co.uk • website: www.marl-leds.com