BAT54-Y Automotive small signal Schottky diodes Features BAT54FILMY (Single) ■ Low conduction and reverse losses ■ Negligible switching losses ■ Low forward and reverse recovery times ■ Extremely fast switching ■ Surface mount device ■ Low capacitance diode ■ ECOPACK®2 compliant component ■ AEC-Q101 qualified BAT54SFILMY (Series) SOT-23 BAT54WFILMY (Single) Description The BAT54 series uses 40 V Schottky barrier diodes packaged in SOT-23, SOT-323. These devices are suitable for automotive application. BAT54CWFILMY (Common cathode) SOT-323 BAT54AWFILMY (Common anode) Configurations in top view Table 1. November 2011 Doc ID 17696 Rev 1 Device summary Symbol Value IF 300 mA VRRM 40 V C (typ) 7 pF Tj (max) 150 °C 1/9 www.st.com 9 Characteristics 1 BAT54-Y Characteristics Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified) Symbol VRRM IF Parameter Value Unit Repetitive peak reverse voltage 40 V Continuous forward current 300 mA 1 A IFSM Surge non repetitive forward current Tstg tp = 10 ms sinusoidal Storage temperature range -65 to +150 °C Tj Operating junction temperature range -40 to +150 °C TL Maximum soldering temperature 260 °C Value Unit SOT-23 500 °C/W SOT-323 550 °C/W Table 3. Thermal parameters Symbol Rth(j-a) Parameter Junction to ambient(1) 1. Epoxy printed circuit board with recommended pad layout Table 4. Symbol IR(1) VF(2) Static electrical characteristics Parameter Test conditions Tj = 25 °C Reverse leakage current Tj = 100 °C Forward voltage drop Tj = 25 °C Min. Typ. Max. Unit 1 VR = 30 V µA 100 IF = 0.1 mA 240 IF = 1 mA 320 IF = 10 mA 400 IF = 30 mA 500 IF = 100 mA 900 mV 1. Pulse test: tp = 5 ms, δ < 2 % 2. Pulse test: tp = 380 µs, δ < 2 % Table 5. Symbol 2/9 Dynamic characteristics Parameter Test conditions C Diode capacitance VR = 1 V, F = 1 MHz trr Reverse recovery time IF = 10 mA, IR = 10 mA, Tj = 25 °C Irr = 1 mA, RL = 100 Ω Doc ID 17696 Rev 1 Min. Typ. Max. Unit 7 10 pF 5 ns BAT54-Y Figure 1. 0.35 Characteristics Average forward power dissipation Figure 2. versus average forward current P(W) 0.35 δ=0.05 δ=0.2 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 T 0.10 0.05 δ=tp/T IF(AV)(A) T 0.10 0.05 δ=tp/T tp tp T amb (°C) 0.00 0.00 0.00 0.05 Figure 3. 1.E+02 IF(AV)(A) δ=1 δ=0.5 δ=0.1 Average forward current versus ambient temperature (δ = 1) 0.10 0.15 0.20 0.25 0.30 0.35 Reverse leakage current versus reverse applied voltage (typical values) 0 25 Figure 4. 50 75 100 125 150 Reverse leakage current versus junction temperature IR[T j] / IR[T j=25°C] IR(µA) 1.E+04 VR=3V Tj=100°C 1.E+03 1.E+01 1.E+02 Tj=50°C 1.E+00 1.E+01 Tj=25°C 1.E-01 1.E+00 T j(°C) VR(V) 1.E-02 0 Figure 5. 10 1.E-01 5 10 15 20 25 30 Junction capacitance versus reverse applied voltage (typical values) 0 Figure 6. C(pF) 1.E+00 25 50 75 100 125 150 Forward voltage drop versus forward current (typical values) IFM(A) Tj=100°C F=1MHz VOSC=30mVRMS Tj=25°C 1.E-01 1.E-02 Tj=50°C Tj=25°C 1.E-03 VR(V) VFM(V) 1 1 10 Tj=-40 °C 100 1.E-04 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 Doc ID 17696 Rev 1 3/9 Characteristics Figure 7. BAT54-Y Relative variation of thermal impedance junction to ambient versus pulse duration (SOT-23) 1.E+00 Zth(j-a) /Rth(j-a) Single pulse SOT23 1.E-01 Alumine substrate 10 x 8 x 0.5 mm tP(s) 1.E-02 1.E-03 4/9 1.E-02 1.E-01 1.E+00 Doc ID 17696 Rev 1 1.E+01 1.E+02 BAT54-Y 2 Ordering information scheme Ordering information scheme Figure 8. Ordering information scheme BAT54 xx xx FILM Y Signal Schottky diodes VRRM = 40 V Configuration No letter = Single diode A = Common anode C = Common cathode S = Series diodes Package Blank = SOT-23 W = SOT-323 Packing FILM = Tape and reel Automotive grade Doc ID 17696 Rev 1 5/9 Package information 3 BAT54-Y Package information ● Epoxy meets UL94, V0 ● Lead-free packages In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Table 6. SOT-23 dimensions Dimensions Ref. Millimeters A 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 e B D e1 S A1 L c H L 0.6 typ. S Figure 9. 0.35 0.65 SOT-23 footprint (dimensions in mm) 0.95 0.61 1.26 0.73 6/9 Doc ID 17696 Rev 1 3.25 0.024 typ. 0.014 0.026 BAT54-Y Package information Table 7. SOT-323 dimensions Dimensions Ref. A E Millimeters Min. e Typ. Inches Max. Min. Typ. Max. A 0.8 1.1 0.031 0.043 A1 0.0 0.1 0.0 0.004 b 0.25 0.4 0.010 0.016 c 0.1 0.26 0.004 0.010 D 1.8 2.0 2.2 0.071 0.079 0.086 E 1.15 1.25 1.35 0.045 0.049 0.053 D b A1 e c θ L 0.65 0.026 H 1.8 2.1 2.4 0.071 0.083 0.094 L 0.1 0.2 0.3 0.004 0.008 0.012 q 0 30° 0 H 30° Figure 10. SOT-323 footprint (dimensions in mm) 0.95 1.0 0.8 Doc ID 17696 Rev 1 2.9 0.50 7/9 Ordering information 4 BAT54-Y Ordering information Table 8. Ordering information Order code 5 Marking Package Weight BAT54FILMY 86Y SOT-23 Single 10 mg BAT54SFILMY 88Y SOT-23 Serial 10 mg BAT54WFILMY 73Y SOT-323 Single 6 mg BAT54CWFILMY 77Y SOT-323 Common cathode 6 mg BAT54AWFILMY 74Y SOT-323 Common anode 6 mg Revision history Table 9. 8/9 Document revision history Date Revision 04-Nov-2011 1 Changes Initial release. Doc ID 17696 Rev 1 Base qty Delivery mode 3000 Tape and reel BAT54-Y Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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