Obsolete , replaced by the below  . This is what you will be sent 

Alternative 

The Tridonic PC 1x5-16 W Basic (Square) is a basic non dimmable, high frequency ballast to run:

1 x 16 Watt 2D compact fluorescent lamps
1 x 10 Watt Double turn compact fluorescent
1 x 13 Watt Double turn compact fluorescent
1 x 5 Watt Single turn compact fluorescent
1 x 7 Watt Single turn compact fluorescent
1 x 9 Watt Single turn compact fluorescent
1 x 11 Watt Single turn compact fluorescent
1 x 13 Watt Single turn compact fluorescent

Features: automatic shutdown at end of life, silent operation, low energy consumption and a 50,000 hour lifespan. Best used when space is limited.

Length: 80mm
Width: 40mm

Tridonic Article Number -Tridonic 24138830