BAT54, A, C, S ® SMALL SIGNAL SCHOTTKY DIODE FEATURES AND BENEFITS A VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP SURFACE MOUNT DEVICE K1 K A K2 A K2 K BAT54A BAT54 DESCRIPTION A1 Schottky barrier diodes encapsulated in a SOT-23 small SMD packages. Double diodes with different pining are available. A K1 Nc K A1 A2 A1 K2 K K1 A2 A2 A2 A1 K2 K1 BAT54S BAT54C SOT-23 ABSOLUTE RATINGS (limiting values) Symbol VRRM IF Parameter Value Unit Repetitive peak reverse voltage 30 V Continuous forward current 0.3 A 1 A 250 mW - 65 to +150 °C IFSM Surge non repetitive forward current tp=10ms sinusoidal Ptot Power dissipation (note 1) Tamb = 25°C Tstg Maximum storage temperature range Tj Maximum operating junction temperature * 150 °C TL Maximum temperature for soldering during 10s 260 °C Note 1: for double diodes, Ptot is the total dissipation of both diodes. * : dPtot 1 < thermal runaway condition for a diode on its own heatsink Rth(j−a) dTj June 1999 - Ed: 3A 1/5 BAT54, A, C, S THERMAL RESISTANCE Symbol Parameter Value Unit 500 °C/W Junction to ambient (*) Rth (j-a) (*) Mounted on epoxy board with recommended pad layout. STATIC ELECTRICAL CHARACTERISTICS (per diode) Symbol Parameters VF * Tests conditions Forward voltage drop IR ** Tj = 25°C Reverse leakage current Tj = 25°C Min. Typ. Max. Unit IF = 0.1 mA 240 mV IF = 1 mA 320 IF = 10 mA 400 IF = 30 mA 500 IF = 100 mA 900 VR = 30 V Tj = 100°C Pulse test : µA 1 100 * tp = 380 µs, δ < 2% ** tp = 5 ms, δ < 2% DYNAMIC CHARACTERISTICS (Tj = 25 °C) Symbol Parameters C Junction capacitance trr Reverse recovery time Tests conditions VR = 1 V Tj = 25°C IF = 10 mA Irr = 1 mA PF(av)(W) 0.30 δ = 0.1 δ = 0.05 δ = 0.5 10 pF 5 ns F = 1 MHz IF(av)(A) 0.25 δ=1 0.20 0.20 0.15 0.15 0.10 0.10 T T 0.05 0.05 IF(av) (A) 2/5 Unit 0.30 0.25 0.00 0.00 Max. Fig.2 : Average forward current versus ambient temperature ( δ = 1). 0.35 δ = 0.2 Typ. IR = 10 mA Tj = 25°C RL = 100 Ω Fig.1 : Average forward power dissipation versus average forward current. 0.35 Min. 0.05 0.10 0.15 0.20 δ=tp/T 0.25 tp 0.30 0.00 δ=tp/T 0 Tamb(°C) tp 25 50 75 100 125 150 BAT54, A, C, S Fig.3 : Non repetitive surge peak forward current versus overload duration (maximum values). IM(A) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 IM 0.2 0.1 0.0 1E-3 Fig.4 : Relative variation of thermal impedance junction to ambient versus pulse duration (alumine substrate 10mm x 8mm x 0.5mm). Zth(j-a)/Rth(j-a) 1.00 δ = 0.5 δ = 0.2 Ta=25°C δ = 0.1 0.10 Ta=50°C Ta=100°C T Single pulse t δ=0.5 tp(s) t(s) 1E-2 1E-1 1E+0 Fig.5 : Reverse leakage current versus reverse voltage applied (typical values). 0.01 1E-3 1E-2 1E-1 δ=tp/T 1E+0 1E+1 tp 1E+2 Fig.6 : Reverse leakage current versus junction temperature. IR(µA) IR(µA) 1E+4 VR=30V 1E+2 1E+3 Tj=100°C 1E+1 1E+2 1E+1 1E+0 Tj=50°C 1E+0 Tj=25°C 1E-1 1E-1 Tj(°C) VR(V) 1E-2 0 5 10 15 1E-2 20 25 30 Fig.7 : Junction capacitance versus reverse voltage applied (typical values). 0 25 75 100 125 150 Fig.8 : Forward voltage drop versus forward current (typical values). C(pF) IFM(A) 5E-1 10 F=1MHz Tj=25°C 1E-1 5 Tj=100°C 1E-2 Tj=50°C Tj=25°C 2 1E-3 VFM(V) VR(V) 1 50 1 2 5 10 20 30 1E-4 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 3/5 BAT54, A, C, S PACKAGE MECHANICAL DATA SOT-23 A E DIMENSIONS REF. D e1 S A1 L H Inches Min. Max. Min. Max. A 0.89 1.4 0.035 0.055 A1 0 0.1 0 0.004 B 0.3 0.51 0.012 0.02 c 0.085 0.18 0.003 0.007 D 2.75 3.04 0.108 0.12 e 0.85 1.05 0.033 0.041 e1 1.7 2.1 0.067 0.083 E 1.2 1.6 0.047 0.063 H 2.1 2.75 0.083 0.108 e B Millimeters L S 0.6 typ. 0.35 0.65 0.024 typ. 0.014 0.026 c Ordering type Marking Package Weight Base qty Delivery mode BAT54FILM D86 SOT-23 0.01g 3000 Tape & reel BAT54AFILM D84 SOT-23 0.01g 3000 Tape & reel BAT54CFILM D87 SOT-23 0.01g 3000 Tape & reel BAT54SFILM D88 SOT-23 0.01g 3000 Tape & reel Epoxy meets UL94,V0 4/5 BAT54, A, C, S OPTIMIZED SOT-23 FOOTPRINT DIMENSIONS (in millimeters and inches) FOOTPRINT DIMENSIONS COMPATIBLE SOT-23 / SC-59 (in millimeters and inches) 0.9 0.035 0.9 0.035 1 0.040 0.9 0.035 1.1 0.043 0.9 0.035 mm inch mm inch 1 0.040 1 0.040 1.1 0.043 1.45 0.037 2 0.079 2.35 0.92 2.35 0.92 1.9 0.075 0.9 0.035 0.9 0.035 Information furnished is believed to be accurate and reliable. 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