View bat1499 datasheet:

Silicon Dual Schottky Diode BAT 14-099 DBS mixer application to 12 GHz Low noise figure Medium barrier type ESD: Electrostatic discharge sensitive device, observe handling precautions! Type Marking Ordering Code Pin Configuration Package1) (tape and reel) BAT 14-099 S9 Q62702-A3461 SOT-143 Maximum Ratings per Diode Parameter Symbol Values Unit Reverse voltage VR 4V Forward current IF 90 mA Power dissipation, TS ? 55 ?C Ptot 100 mW Storage temperature range Tstg – 55 … + 150 ?C Operating temperature range Top – 55 … + 150 Thermal Resistance Junction – ambient2) Rth JA ? 1090 K/W Junction – soldering point Rth JS ? 930 1) For detailed information see chapter Package Outlines. 2) Package mounted on alumina 15 mm ? 16.7 mm to 0.7 mm. 02.96 Semiconductor Group 1 BAT