OSRAM 12V 21/4W BAZ15D

The OSRAM ORIGINAL - METAL BASE P21/4W is a 12 V, 21/4 W twin-filament signal lamp with a BAZ15d metal base, in ECE category P21/4W. It carries the E1 approval mark, and OSRAM classes it as an auxiliary lamp. Where you see two values, the first is for filament 1 and the second for filament 2.

Technical data

• Series: ORIGINAL
• ECE category: P21/4W
• Lamp base: BAZ15d
• Nominal voltage: 12 V
• Nominal wattage: 21/4 W
• Power input: 25 / 5 W
• Test voltage: 13.5 V
• Luminous flux: 440/15 lm
• Diameter: 25.0 mm
• Length: 49.5 mm
• Weight: 10.00 g
• Lifespan B3: 180 / 1250 h
• Lifespan Tc: 290 / 4000 h
• Approval mark: E1