WSD705 WSD706 Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 30m AMPERES 40 VOLTS Features: *Extremely Fast Switching Speed *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOT-23 Package Description: 3 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. 1 2 SOT-23 SOT-23 Outline Dimensions Unit:mm Dim A B C D E G H J K L M WEITRON http://www.weitron.com.tw Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 WSD705 WSD706 Maximum Ratings (TJ=25 C Unless otherwise noted) Characteristic Reverse Voltage Average Rectifier Forward Current Peak Repetitive Forward Current Rated VR, Square Wave,20KHz Operating Junction Temperature Range Storage Temperature Range Electrical Characteristics Symbol WSD705/706 VR 40 Unit Volts IF(AV) 30 mA IFRM 200 mA TJ -55 to +125 C Tstg -55 to +150 C (TA=25 C Unless otherwise noted) Symbol Min Typ Max Unit V(BR)R 40 - - Volts VF - - 0.37 Volts Total Capacitance (VR=1.0V, f=1.0MHz) CT - 2.0 - P F Reverse Leakage VR=10V IR - - 1.0 µAdc Characteristic Reverse Breakdown Voltage (IR=100µA) Forward Voltage IF=1.0mA Device Marking Item Marking WSD705 KL3 WSD706 LD3 WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 3 2 1 3 2 WSD705 WSD706 Electrical characteristic curves (Ta = 25 C) 100m 100m REVERSE CURRENT : I R (A) Typ. pulse measurement 12 5 C 10m = 1m Ta= 75 C Ta FORWARD CURRENT : I F(A) 1000m Ta= 25 C 100 m Ta=- 25 C 10 m 1m 0 0.2 0.4 0.6 0.8 1.0 1.2 10 m Ta =75 C 1m Ta =25 C 100n Ta=- 25 C 10n 1n 1.4 Ta =125 C Typ. pulse measurement 0 5 CAPACITANCE BETWEEN TERMINALS : CT (pF ) 100 f= 1MHz Ta= 25 C 50 20 10 5 2 0 2 4 6 8 10 12 14 REVERSE VOLTAGE : VR ( V) Fig. 3 Capacitance between terminals characteristics WEITRON http://www.weitron.com.tw 15 20 25 30 Fig. 2 Reverse characteristics Fig. 1 Forward characteristics 1 10 REVERSE VOLTAGE : VR ( V) FORWARD VOLTAGE : VF (V) 35