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| BAS19 / BAS20 / BAS21 Surface Mount Fast Switching Diode Voltage Range 100/150/200 Volts 250m Watts Power Dissipation Features Fast switching speed Surface mount package ideally suited for automatic insertion For general purpose switching applications High conductance 0.020(0.51) 0.015(0.37) SOT-23 0.055(1.40) 0.047(1.19) 0.098(2.50) 0.083(2.10) Mechanical Data Case: SOT-23, Molded plastic Terminals: Solderable per MIIL-STD-202, Method 208 Polarity: See diagram BAS19 Marking: A8 BAS20 Marking: A81 BAS21 Marking: A82 Weight: 0.008 gram (approx.) 0.080(2.05) 0.070(1.78) 0.024(0.61) 0.018(0.45) 0.120(3.05) 0.104(2.65) 0.041(1.05) 0.047(0.89) 0.043(1.10) 0.035(0.89) 0.007(0.178) 0.003(0.076) 0.006(0.15) 0.001(0.013) 0.024(0.61) 0.018(0.45) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Maximum Ratings Type Number Symbol BAS19 BAS20 BAS21 Repetitive Peak Reverse Voltage VRRM 120 200 250 VRWM Working Peak Reverse Voltage 100 150 200 DC Blocking Voltage VR VR(RMS) 71 106 141 RMS Reverse Voltage IFM 400 Forward Continuous Current (Note 1) Io 200 Average Rectifier Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t=1.0uS @ t=1.0S Repetitive Peak Forward Surge Current Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Units V V V mA mA A mA mW K/W O IFSM IFRM Pd RJA TJ, TSTG Symbol 2.5 0.5 625 250 500 -65 to + 150 Min - C Electrical Characteristics Type Number Forward Voltage Max 1.0 VF 1.25 100 IR 15 Cj 5.0 trr 50 Notes: 1. Valid Provided that Terminals are Kept at Ambient Temperature. 2. Reverse Recovery Test Conditions: IF=IR=10mA, Irr=0.1 x IR, RL=100. IF=100mA IF= 200mA Peak Reverse Current Tj=25 Tj=100 Junction Capacitance VR=0, f=1.0MHz Reverse Recovery Time (Note 2) Units V nA uA pF nS - 828 - RATINGS AND CHARACTERISTIC CURVES (BAS19 THRU BAS21) FIG.1- FORWARD CHARACTERISTICS FIG.2- LEAKAGE CURRENT VS JUNCTION TEMPERATURE IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 TJ = 25 C 100 IR, LEAKAGE CURRENT ( A) 100 10 10 1 1 0.1 0.1 0.01 0 1 VF, INSTANTANEOUS FORWARD VOLTAGE (V) 2 0.01 0 100 Tj, JUNCTION TEMPERATURE ( C) 200 - 829 - |
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