Small Signal Switching Diodes ACDST-99-G/70-G Reverse Voltage: 70 Volts Forward Current: 200 mA SOT-23 RoHS Device Features 0.118(3.00) -Fast switching speed. 0.110(2.80) 3 -High mounting capability, strong surge 0.055(1.40) withstand, high reliability. 0.047(1.20) -Comply with AEC-Q101. 1 2 Mechanical data 0.079(2.00) 0.071(1.80) -Case: SOT-23, molded plastic. 0.006(0.15) -Terminals: solderable per MIL-STD-750, 0.003(0.08) method 2026. 0.041(1.05) 0.100(2.55) 0.035(0.90) 0.089(2.25) -Approx. weight: 0.0078 grams Circuit diagram 0.004(0.10) max 3 3 0.020(0.50) 0.020(0.50) 0.012(0.30) 0.012(0.30) 1 2 1 2 ACDST-99-G ACDST-70-G Dimensions in inches and (millimeter) Maximum Ratings (at Ta=25C unless otherwise noted) Parameter Symbol Limit Units Reverse voltage VR 70 V Forward current IF 200 mA Peak forward surge current IFSM 500 mA Power dissipation PD 225 mW Thermal resistance junction to ambient R JA 556 C/W Junction temperature TJ 150 C Storage temperature range TSTG -55 to +150 C Electrical Characteristics (at Ta=25C unless otherwise noted) Symbol Parameter Conditions Min. Max. Units Reverse breakdown voltage VBR IR=100 A 70 V 0.715 IF=1mA IF=10mA 0.855 Forward voltage VF V IF=50mA 1.0 IF=150mA 1.25 VR=70V A Reverse current IR 2.5 IF=IR=10mA, Irr=0.1IR, Reverse recovery time trr 6 nS RL=100 Capacitance between terminals pF CT VR=0V, f=1.0MHz 1.5 Company reserves the right to improve product design , functions and reliability without notice. REV:A AQW-B0005 Page 1 Comchip Technology CO., LTD.Small Signal Switching Diodes RATING AND CHARACTERISTIC CURVES (ACDST-99-G/70-G) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 300 100 TA=100C TA=100C 100 10 TA=25C 10 TA=25C 1 0.1 1 0 0.4 0.8 1.2 1.6 0 20 40 60 80 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Between Terminals Fig.4 - Power Derating Curve Characteristics 300 1.4 Mounted on glass TJ=25C epoxy PCBs f=1MHz 200 1.3 100 1.2 50 1.1 1.0 0 0 5 10 15 20 0 25 50 75 100 125 150 175 Reverse Voltage, (V) Ambient Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:A AQW-B0005 Page 2 Comchip Technology CO., LTD. Forward Current, (mA) Capacitance Between Teminals, (pF) Power Dissipation, (mW) Reverse Current, (nA)