WSD109H Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 100m AMPERES 90 VOLTS Features: *Extremely Fast Switching Speed *Low Forward Voltage *Low Leakage Current *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-323 Package Description These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping, extremely low forward voltage reduces conduction loss, miniature surface mount package is excellent for hand held and portable applications where space is limited. SOD-323 SOD-323 Outline Dimensions Unit:mm MILLMETERS Dim Min Max 1.60 1.80 A B 1.15 1.35 C 0.80 1.00 D 0.25 0.40 E 0.15REF H 0.00 0.10 J 0.089 0 .1 7 7 K 2.30 2.70 PIN 1.CATHODE 2.ANODE WEITRON http://www.weitron.com.tw WSD109H Maximum Ratings (TJ=125 C Unless otherwise noted) Symbol WSD109H Unit Reverse Voltage VR 90 Volts Average Rectifier Forward Current IF(AV) 100 mA IFM(Surge) 500 mA TJ -55 to +125 C Tstg -55 to +150 C Characteristic Peak Forward Surge Current Operating Junction Temperature Range Storage Temperature Range Electrical Characteristics (TA=25 C Unless otherwise noted) Characteristic Reverse Breakdown Voltage (IR=100µA) Forward Voltage IF=100mA Total Capacitance (VR=0V) Reverse Leakage Current VR=50V Symbol Min V(BR)R 90 Max Unit Volts VF 0.90 Volts CD 2.5 PF 0.5 IR µAdc 1.0 VR=90V Device Marking Item WSD109H WEITRON http://www.weitron.com.tw Marking 5A Eqivalent Circuit diagram 1 2 WSD109H CD, DIODE CAPACITANCE (pF) 0.68 0.64 0.60 0.56 0.52 0 2.0 4.0 6.0 8.0 VR, REVERSE VOLTAGE (VOLTS) Figure 1. Capacitance 10 IR, REVERSE CURRENT (µA) IF, FORWARD CURRENT (mA) 100 TA=85 C 10 TA= -40 C 1.0 TA=25 C 0.1 TA=150 C TA=125 C 1.0 TA=85 C 0.1 TA=55 C 0.01 0.001 0.2 0.6 0.4 0.8 1.0 VF, FORWARD VOLTAGE (VOLTS) Figure 2. Forward Voltage WEITRON http://www.weitron.com.tw 1.2 TA=25 C 0 10 20 30 VR, REVERSE VOLTAGE (VOLTS) Figure 3. Leakage Current 40 50