Surface Mount Schottky Barrier Diode BAS40 Features Low Turn-on Voltage Low Forward Voltage - 0.5V(Max) @ IF = 30 mA Very Low Capacitance - Less Than 5.0pF @ 1V For high speed switching application, circuit protection A 3 Mechanical Data 1 Case: Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagrams Below Weight: 0.008 grams (approx.) Mounting Position: Any L V To p Vie w B S 2 G C H K 3 3 CATH O DE 1 1 AN O DE SOT-23 Dim Min Max 2.800 3.040 A 1.200 1.400 B 0.890 1.110 C D 0.370 0.500 1.780 2.040 G 0.013 0.100 H 0.085 0.177 J 0.450 0.600 K L 0.890 1.020 2.100 2.500 S 0.450 0.600 V All Dimension in mm 2 o MAXIMUM RATINGS (TJ = 150 C unless otherwise noted) Rating Symbol Value Unit Rev ers e Volta ge VR 40 Volts Fo rwa rd Po wer Dis sip atio n o @ T A = 25 C O Der ate abo ve 25 C PF 225 1.8 mW mW / o C Op era ting Jun ctio n and Sto rag e Tem per atu re Ran ge T J, Tstg -55 to +1 50 o C DEVICE MARKING BA S40 = B1 ELECTRICAL CHARACTERISTICS (T A = 25 o C unl ess oth erw ise not ed) Characteristic Re ver se Bre ak do wn Volt ag e (I R = 10 mA) Symbol Mi n V (BR )R 40 Ma x Un it Volt s Tota l Ca pa cita nc e (V R = 1.0 V, f = 1.0 MH z) CT 5.0 pF Re ver se Le ak ag e (V R = 25 V) IR 1.0 mAd c Fo rw ard Volt ag e (I F = 0.1 mA dc ) VF 38 0 mV dc Fo rw ard Volt ag e (I F = 30 mA dc ) VF 50 0 mV dc Fo rw ard Volt ag e (I F = 10 0 mA dc ) VF 1.0 Vd c RATINGS AND CHARACTERISTIC CURVES BAS40 IR , R everse Current (mA) 100 10 15 0 o C 1.0 12 5 OC 85 C O 25 C O 0.1 O -4 0 C 0 0.1 O T A = 150 C O 125 C 10 O 85 C 1.0 0.1 25 O C 0.0 1 0.2 0.3 -55 C O 0.4 0.5 0.6 0.7 0.0 01 0.8 V F, Forward Vo ltage (V ) Fi gu re1. Typic alForw ard Vol ta ge 0 5.0 10 15 V R , R everse Vo ltage (V) 3.0 2.5 2.0 1.5 1.0 0.5 0 0 20 Figure 2. Reverse Current versus ReverseVoltage 3.5 C T , C apacitance (pF) I F , Forward C urrent (m A) 100 5.0 10 15 20 25 V R , Reverse Voltage (V ) Fi gure3. Typical Capacitanc e 30 35 40 25