BAS70WS Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free Features: * LOW Turn-on Voltage * Fast Switching * PN Junction Guard for Transient and ESD Protection * Designed for Surface Mount Application SCHOTTKY DIODE 70 mAMPERES 70 VOLTS 1 2 Mechanical Data: * Case: SOD-323, * Plastic Material -UL Recognition Flammability Classification 94V-O * Leads: Solderable per MIL-STD-202, Method 208 * Polarity: Cathode Band * Weight: 0.004 grams(approx.) SOD-323 SOD-323 Outline Demensions Unit:mm Dim A B C D E H J K MILLMETERS Min Max 1.60 1.80 1.15 1.35 0.80 1.00 0.25 0.40 0.15 REF 0.00 0.10 0.089 0.377 2.30 2.70 PIN 1.CATHODE 2.ANODE WEITRON http://www.weitron.com.tw 1/3 19-May-06 BAS70WS Maximum Ratings (TA =25C Unless otherwise noted) Characteristic Symbol Value Unit VRRM VRWM VR 70 V IF 70 mA IFSM 100 mA PD 200 mW RJA 625 K/W Junction temperature Range TJ 150 C Storage temperature Range TSTG -55 to +150 C Peak Repetitive Peak reverse voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current Peak forward surge current @<1.0s Power Dissipation Thermal Resistance Junction to Ambient Electrical Characteristics (TA =25C Unless otherwise noted) Characteristic Symbol Min Typ Max Unit Forward Voltage IF =1.0mA IF =15mA VF - - 0.41 1.0 V Reverse Current VR=50V IR - - 100 nA Total Capacitance VR=0V, f=1.0MHz CT - - 2 pF Reverse Recovery Time IF=IR=10mA, Irr=0.1 x IR, RL=100 trr - - 5 ns Device Marking Item Marking BAS70WS K73 WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 2/3 2 19-May-06 BAS70WS Electrical Characteristic curves(Ta=25C) 100 IF (mA) 100 IR TA= 85C TA= 125C (A) 10 10 TA= 125C 1 TA= 85C 1 0.1 TA= 25C 0.1 0.01 TA= 25C TA= -40C 0.01 0 0.2 0.4 0.6 0.8 VF (V) 1 0.001 0 20 40 60 1000 2 rdiff 80 Fig.2 Reverse current as a function of reverse voltage; typical values. Fig.1 Forward current as a function of forward voltage; typical values. f=10kHz. VR (V) f=1MHz, Cd (pF) 1.5 100 1 10 0.5 TA= 25C 1 0.1 1 10 IF (mA) 0 100 http://www.weitron.com.tw 20 40 60 VR (V) 80 Fig.4 Diode capacitance as a function of reverse Fig.3 Differential forward resistance as a function WEITRON 0 3/3 19-May-06