B1020WS Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free Features: SCHOTTKY DIODE 1.0 AMPERES 20 VOLTS * Ultra high-speed switching * Very low forward voltage * Voltage clampingProtection circuits. Mechanical Data: * Case: SOD-323 4V-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 0.177 2.30 2.70 PIN 1.CATHODE 2.ANODE WEITRON http://www.weitron.com.tw 1/3 06-Feb-09 B1020WS Maximum Ratings (TA=25°C Unless otherwise noted) Characteristic Symbol Continuous Reverse Voltage Unit Value VR 20 V IO 1.0 A Non-Repetitve Peak Forward Surge Current IFSM 5.0 A Thermal Resistance junction to Ambient RθJA 2201 1802 °C/W °C/W Operating Ambient temperature Range Tamb -65 to +125 °C TJ +125 °C TSTG -65 to +150 °C Operating Temperature Range Storage Temperature Range 1. Device mounted on an FR4 printed-circuit board with Cu clad 10x10mm. 2. Device mounted on an FR4 printed-circuit board with Cu clad 40x40mm Electrical Characteristics Characteristic (TA=25˚C Unless otherwise noted) Symbol Min Forward Voltage IF=10mA IF=100mA IF=1000mA VF - Reverse Current VR=5V VR=8V VR=15V IR - Capacitance between terminals VR=5V, f=1.0MHz Cd - Typ Max 240 300 480 270 350 550 5 7 10 10 20 50 19 25 Unit mV µA pF Device Marking Item Marking B1020WS V2 WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 2/3 2 06-Feb-09 B1020WS Electrical Characteristic curves(TA=25˚C) 103 105 IF (mA) IR (µA) T amb = 125 °C Tamb = 125 °C 104 102 T amb = 85 °C 103 Tamb = 25 °C 10 102 Tamb = 85 °C Tamb = 25 °C 1 10 10-1 0 0.2 0. 4 0.6 VF (V) 1 Fig.1 Forward current as a function of forward 0 5 10 15 20 25 VR (V) Fig.2 Reverse current as a function of reverse 80 Tamb = 25 °C; f = 1 MHz. Cd (pF) 60 40 20 0 0 5 10 15 20 VR (V) Fig.3 Diode capacitance as a function of reverse WEITRON http://www.weitron.com.tw 3/3 06-Feb-09