MAXIMUM RATINGS
(T A = 25°C unless otherwise noted, common for Q 1 and Q 2 ) Rating Symbol Value Unit Collector-Base Voltage V CBO 50 Vdc Collector-Emitter Voltage V CEO 50 Vdc Collector Current I C 100 mAdc THERMAL CHARACTERISTICS Characteristic (One Junction Heated) Symbol Max Unit Total Device Dissipation T A = 25°C Derate above 25°C P D 187 (Note 1.) mW 256 (Note 2.) 1.5 (Note 1.) mW/°C 2.0 (Note 2.) Thermal Resistance – R θJA 670 (Note 1.) °C/W Junction-to-Ambient 490 (Note 2.) Characteristic (Both Junctions Heated) Symbol Max Total Device Dissipation T A = 25°C Derate above 25°C Thermal Resistance – Junction-to-Ambient Thermal Resistance – Junction-to-Lead PD R θJA R θJL 250 (Note 1.) 385 (Note 2.) 2.0 (Note 1.) 3.0 (Note 2.) 493 (Note 1.) 325 (Note 2.) 188 (Note 1.) 208 (Note 2.) Junction and Storage Temperature T J , T stg –55 to +150 1. FR–4 @ Minimum Pad 2. FR–4 @ 1.0 x 1.0 inch Pad Unit mW mW/°C °C/W °C/W °C 6 54 Q2 R1 R2 R2 R1 Q1 12 3 MARKING DIAGRAM 6 54 7X 1 23 7X = Device Marking = (See Page 2) DEVICE MARKING INFORMATION See specific marking information in the device marking table on page 2 of this data sheet.