BAS19W - BAS21W SURFACE MOUNT FAST SWITCHING DIODE Features · · · · Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance B C Mechanical Data · · · · · · · · · SOT-323 A G H Case: SOT-323, Molded Plastic Case Material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Terminal Connections: See Diagram BAS19W Marking: KA8 or KT2 or KT3 (See Page 3) BAS20W Marking: KT2 or KT3 (See Page 3) BAS21W Marking: KT3 (See Page 3) Weight: 0.006 grams (approx.) K M J D L F TOP VIEW Dim Min Max A 0.25 0.40 B 1.15 1.35 C 2.00 2.20 D 0.65 Nominal E 0.30 0.40 G 1.20 1.40 H 1.80 2.20 J 0.0 0.10 K 0.90 1.00 L 0.25 0.40 M 0.10 0.18 a 0° 8° All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Symbol BAS19W BAS20W BAS21W Unit Repetitive Peak Reverse Voltage Characteristic VRRM 120 200 250 V Working Peak Reverse Voltage DC Blocking Voltage VRWM VR 100 150 200 V VR(RMS) 71 106 141 RMS Reverse Voltage V Forward Continuous Current (Note 1) IFM 400 mA Average Rectified Output Current (Note 1) IO 200 mA Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s IFSM 2.5 0.5 A Repetitive Peak Forward Surge Current IFRM 625 mA Power Dissipation Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Pd 200 mW RqJA 625 °C/W Tj , TSTG -65 to +150 °C @ TA = 25°C unless otherwise specified Characteristic Symbol Min Max Unit V(BR)R 120 200 250 ¾ ¾ ¾ V IR = 100mA Forward Voltage (Note 2) VF ¾ 1.0 1.25 V IF = 100mA IF = 200mA Reverse Current @ Rated DC Blocking Voltage (Note 2) IR ¾ 100 15 nA mA Tj = 25°C Tj = 100°C Total Capacitance CT ¾ 5.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr ¾ 50 ns IF = IR = 30mA, Irr = 0.1 x IR, RL = 100W Reverse Breakdown Voltage (Note 2) Notes: BAS19W BAS20W BAS21W Test Condition 1. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at http:/www.diodes.com/datasheets/ap02001.pdf. 2. Short duration test pulse used to minimize self-heating effect. DS30118 Rev. 6 - 2 1 of 3 www.diodes.com BAS19W - BAS21W IF, INSTANTANEOUS FORWARD CURRENT (A) 100 1 TA = 150ºC 10 1 0.1 TA = 75ºC 0.1 TA = 25ºC TA = -40ºC TA = 0ºC 0.01 0.01 TA = 0ºC 0.001 TA = -40ºC TA = 25ºC TA = 75ºC TA = 125ºC TA = 150ºC 0.0001 0.001 0 0.2 0.4 0.8 1.0 1.2 0. 6 1.4 0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 50 150 100 200 250 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics 4.0 250 3.5 f = 1.0MHz Pd, POWER DISSIPATION (mW) CT, TOTAL CAPACITANCE (pF) TA = 125ºC 3.0 2.5 2.0 1.5 1.0 0.5 200 150 100 50 0 0.0 10 0 20 30 40 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage DS30118 Rev. 6 - 2 2 of 3 www.diodes.com 0 100 200 TA, AMBIENT TEMPERATURE (°C) Fig. 4 Power Derating Curve, Total Package BAS19W - BAS21W Ordering Information Notes: (Note 3) Device Packaging Shipping BAS19W-7 SOT-323 3000/Tape & Reel BAS20W-7 SOT-323 3000/Tape & Reel BAS21W-7 SOT-323 3000/Tape & Reel 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information YM XXX = Product Type Marking Code (See Page 1 Diagrams) YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September XXX Date Code Key Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Code L M N P R S T U V W Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D DS30118 Rev. 6 - 2 3 of 3 www.diodes.com BAS19W - BAS21W