JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Plastic-Encapsulate Diodes BAS21/A/C/S SWITCHING DIODE SOT-23 FEATURES z Fast Switching Speed z Surface Mount Package Ideally Suited for Automatic Insertion z For General Purpose Switching Applications z High Conductance BAS21 BAS21A MARKING: JS MARKING:JS2 MARKING:JS3 JS JS2 JS3 BAS21S BAS21C MARKING:JS4 JS4 Solid dot = Green molding compound device, JS2 JS JS3 if none, the normal device JS4 Maximum Ratings @Ta=25℃ Parameter Symbol Repetitive peak reverse voltage VRRM Working peak reverse voltage VRWM Limit Unit 250 V DC blocking voltage VR Forward continuous current IFM 400 mA IO 200 mA Non-Repetitive Peak Forward Surge Current @t=8.3ms IFSM 2.5 A Repetitive peak forward surge current IFRM 625 mA Power dissipation PD 225 mW Thermal resistance junction to ambient RθJA 555 ℃/W TJ 150 ℃ TSTG -55~+150 ℃ Average rectified output current Junction temperature Storage temperature range ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified) Parameter Reverse breakdown voltage Symbol Test conditions Min Max 250 Unit V V(BR) IR= 100µA Reverse voltage leakage current IR VR=200V 0.1 µA Forward voltage VF IF=100mA IF=200mA 1000 1250 mV Diode capacitance CD VR=0V, f=1MHz 5 pF Reveres recovery time trr IF=IR=30mA,Irr=0.1×IR,RL=100Ω 50 ns www.cj-elec.com 1 D,Nov,2015 Typical Characteristics Forward Characteristics (nA) T= a 2 5 o C REVERSE CURRENT IR o T= a 1 00 1 0.1 0.01 0.0 0.4 0.8 1.2 FORWARD VOLTAGE VF (mW) 250 200 POWER DISSIPATION 1.2 1.0 0.8 8 12 REVERSE VOLTAGE www.cj-elec.com 16 VR o Ta=25 C 0 40 80 120 100 50 0 25 50 75 100 AMBIENT TEMPERATURE (V) 2 200 (V) 150 0 20 160 VR Power Derating Curve 300 1.4 4 10 REVERSE VOLTAGE Ta=25℃ 0 100 (V) f=1MHz 0.6 o 1 2.0 Capacitance Characteristics 1.6 CAPACITANCE BETWEEN TERMINALS CT (pF) 1.6 Characteristics Ta=100 C PD FORWARD CURRENT 10 Reverse 1000 C 100 IF (mA) 1000 125 Ta 150 (℃) D,Nov,2015 SOT-23 Package Outline Dimensions Symbol A A1 A2 b c D E E1 e e1 L L1 θ Dimensions In Millimeters Min Max 0.900 1.150 0.000 0.100 0.900 1.050 0.300 0.500 0.080 0.150 2.800 3.000 1.200 1.400 2.250 2.550 0.950 TYP 1.800 2.000 0.550 REF 0.300 0.500 0° 8° Dimensions In Inches Min Max 0.035 0.045 0.000 0.004 0.035 0.041 0.012 0.020 0.003 0.006 0.110 0.118 0.047 0.055 0.089 0.100 0.037 TYP 0.071 0.079 0.022 REF 0.012 0.020 0° 8° SOT-23 Suggested Pad Layout www.cj-elec.com 3 D,Nov,2015 SOT-23 Tape and Reel www.cj-elec.com 4 D,Nov,2015