Section 4; Pro LED Ind for pdfs 19/1/00 7:46 pm Page 18 PROFESSIONAL LED INDICATORS - Ø 13mm Mounting • Robust stainless steel housing • Low profile styling • Flying lead terminations available • Sealed to IP67 528 SERIES Dimensions in mm (Typical) Scale 1:1 Anode termination indicated by + on moulded header. MLQ = 10 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 Wide -40~+60 -50~+100 °C °C STANDARD INTENSITY HIGH INTENSITY 528-501-21 Red 12 20 2750 660 528-521-21 Yellow 12 20 4500 590 528-532-21 Green 12 20 6000 525 528-930-21 Blue 12 20 2000 470 12 20 3000 • 24 20 2750 660 528-997-21 White 528-501-22 Red 528-521-22 Yellow 24 20 4500 590 528-532-22 Green 24 20 6000 525 528-930-22 Blue 24 20 2000 470 528-997-22 White 24 20 3000 • Vdc mA mcd nm UNITS Coloured Diffused • = 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 28 and 48Vdc, 110 and 230Vac. Please contact our Sales department for further details. Making Light Work For You! Making Light Work For You! Making Light Work For You! Making Light Work For You! Making Light ISO 9001: 1994 APPROVED Telephone +44 (0)1229 582430 • Fax: +44 (0)1229 585155 • email: [email protected] • website: www.marl.co.uk • website: www.marl-leds.com