Section 2; Fil.Rep.LEDs for pdf 19/1/00 12:48 pm Page 33 FILAMENT REPLACEMENT LEDs - T6.8SB • Direct replacement for T6.8 SB • Flat-topped for enhanced, even illumination of large lens areas • Durable to shock and vibration 208 SERIES Printed ⊕ on base denotes Anode. Colour dot on product denotes LED colour. Dimensions in mm (Typical) Scale 1:1 MLQ = 20 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 Vopr CURRENT DC lopr LUMINOUS INTENSITY lv@20mA WAVE LENGTH λp VIEWING ANGLE OPERATING TEMP Topr STORAGE TEMP Tstg Wide -40~+80 -40~+80 °C °C HIGH INTENSITY HIGH INTENSITY 208-501-04-38 Red 1.9* 20 2750 208-521-04-38 Yellow 2.0* 20 4500 660 590 208-532-04-38 Green 3.4* 20 6000 525 208-930-04-38 Blue 3.4* 20 2000 470 208-997-04-38 White 3.4* 20 3000 • 208-501-20-38 Red 5/6 16 2750 660 208-521-20-38 Yellow 5/6 15 4500 590 208-532-20-38 Green 5/6 14 6000 525 208-930-20-38 Blue 5/6 14 2000 470 208-997-20-38 White 5/6 14 3000 • 660 Water Clear 208-501-21-38 Red 12 20 2750 208-521-21-38 Yellow 12 20 4500 590 208-532-21-38 Green 12 20 6000 525 208-930-21-38 Blue 12 20 2000 470 208-997-21-38 White 12 20 3000 • Vdc mA mcd nm UNITS * =Voltage DC for 20mA product is Vf@20mA, not Vopr • = 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 - This product is also available at 24, 28 and 48Vdc. Please contact our Sales department for further details. CUSTOM DESIGN SERVICE Fax: +44 (0)1229 585155 • email: [email protected] • website: www.marl.co.uk • website: www.marl-leds.com • Telephone +44 (0)1229 582430