Product family datasheet Other ORIGINAL lamps __ Product benefits _ OEM Quality _ Wide product range _ Reliable quality Product features _ Original spare parts June 24, 2016, 03:07:43 Other ORIGINAL lamps © 2016, OSRAM GmbH. All rights reserved. Page 1 of 4 Product family datasheet Product line drawing Product line drawing __ June 24, 2016, 03:07:43 Other ORIGINAL lamps © 2016, OSRAM GmbH. All rights reserved. Page 2 of 4 Product family datasheet Technical data Electrical data Dimensions & weight Product description Power input Nominal voltage Nominal wattage Power input tolerance Test voltage Luminous flux Luminous flux tolerance Length 3156 29.2 W 12.0 V 27.00 W ±10 % 13.5 V 475 lm ±15 % 52.8 mm 3157 29.2 / 7.7 W 12.0 V 27/7 W ±10 / ±10 % 13.5 V 475/36 lm ±15 / ±15 % 52.8 mm Lifespan Product description Diameter Lifespan B3 3156 25.0 mm 600 h 1) 3157 __ Photometrical data 25.0 mm 550 / 2300 h Lifespan Tc 1315 / 5500 h 2) Additional product data Certificates & standards Country specific categorizations Base (standard designation) ECE category Order reference W2.5x16d P27W 3156 W2.5x16q P27/7W 3157 1) B50 = average lifespanExplanation:1-filament lamp e. g. 100 2-filament lamp e. g. 100/300 2) Filament 1 June 24, 2016, 03:07:43 Other ORIGINAL lamps © 2016, OSRAM GmbH. All rights reserved. Page 3 of 4 Product family datasheet Application advice For more detailed application information and graphics please see product datasheet. Disclaimer Subject to change without notice. Errors and omission excepted. Always make sure to use the most recent release. __ June 24, 2016, 03:07:43 Other ORIGINAL lamps © 2016, OSRAM GmbH. All rights reserved. Page 4 of 4