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Small Signal Transistor MMBT2222A-HF (NPN) RoHS Device Halogen Free Features SOT-23 -NPN silicon epitaxial planar transistor for switching and amplifier application. 0.118(3.00) 0.110(2.80) 3 Mechanical data 0.055(1.40) 0.047(1.20) -Case SOT-23, molded plastic. 1 2 0.079(2.00) 0.071(1.80) -Terminals solderable per MIL-STD-750, method 2026. 0.006(0.15) 0.003(0.08) -Approx. weight 0.008 grams 0.041(1.05) 0.100(2.55) 0.035(0.90) 0.089(2.25) Diagram 0.004(0.10) max Collector 0.020(0.50) 0.020(0.50) 3 0.012(0.30) 0.012(0.30) 1 Dimensions in inches and (millimeter) Base 2 Emitter Maximum Ratings (at Ta=25 C unless otherwise noted) Parameter Symbol Value Units Collector-Base voltage VCBO 75 V Collector-Emitter voltage VCEO 40 V Emitter-Base voltage VEBO 6.0 V Collector current-continuous IC 600 mA Power dissipation PC 300 mW Therm