BAT54 Small signal Schottky diodes Features BAT54ZFILM (Single) ■ Low conduction and reverse losses ■ Negligible switching losses ■ Low forward and reverse recovery times ■ Extremely fast switching ■ Surface mount device ■ Low capacitance diode SOD-123 SOD-323 BAT54JFILM BAT54JFILM-H (Single) BAT54KFILM (Single) Description SOD-523 The BAT54 series uses 40 V Schottky barrier diodes packaged in SOD- 23, SOD-323, SOD-523, SOT-23, SOT-323, or SOT-666.
Characteristics 1 BAT54 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 Storage temperature range -65 to +150 °C Tj Operating junction temperature range -40 to +150 °C TL Maximum soldering temperature 260 °C Value Unit Table 3.
BAT54 Characteristics Figure 1. 0.35 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.
Characteristics Figure 7. 600 BAT54 Thermal resistance junction to ambient versus copper surface under each lead (SOD-323) Figure 8. Rth(j-a) (°C/W) 1.E+00 Relative variation of thermal impedance junction to ambient versus pulse duration (SOD-323) Zth(j-a) /Rth(j-a) Single pulse SOD323 Epoxy FR4 eCU=35 µm 500 1.E-01 400 1.E-02 300 SCU(mm²) tP(s) 200 0 5 Figure 9. 1.E+00 10 15 20 25 Epoxy FR4 SCU=2.25 mm² eCU=35 µm 30 35 40 45 1.E-03 1.
BAT54 2 Ordering information scheme Ordering information scheme Figure 12.
Package information 3 BAT54 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. SOD-123 dimensions Dimensions Ref. H Millimeters Inches A2 A1 Min. b A E D A Max. Min. 1.45 Max. 0.
BAT54 Package information Table 7. SOD-323 dimensions Dimensions Ref. H Millimeters Inches A1 Min. b A E A D c Q1 L Max. Min. 1.17 Max. 0.046 A1 0 0.1 0 0.004 b 0.25 0.44 0.01 0.017 c 0.1 0.25 0.004 0.01 D 1.52 1.8 0.06 0.071 E 1.11 1.45 0.044 0.057 H 2.3 2.7 0.09 0.106 L 0.1 0.46 0.004 0.02 Q1 0.1 0.41 0.004 0.016 Figure 14. SOD-323 footprint (dimensions in mm) 3.20 0.54 1.06 1.08 Doc ID 5505 Rev 10 1.
Package information Table 8. BAT54 SOD-523 dimensions Dimensions E Ref. 0.15 M C A B E1 Millimeters B D 2xb 0.20 M C A B A Inches Min. Typ. Max. Min. Typ. Max. A 0.50 0.60 0.70 0.020 0.024 0.028 E 1.50 1.60 1.70 0.059 0.063 0.067 E1 1.10 1.20 1.30 0.043 0.047 0.051 D 0.70 0.80 0.90 0.028 0.031 0.035 b 0.25 0.35 0.010 0.014 c 0.07 0.20 0.003 0.008 L 0.15 0.25 0.006 L1 0.05 0.20 0.002 8° R0.1 A c SEATING PLANE C 7° L L1 Figure 15.
BAT54 Package information Table 9. 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 0.35 0.65 0.024 typ. 0.014 0.026 Figure 16. SOT-23 footprint (dimensions in mm) 0.95 0.61 1.
Package information BAT54 Table 10. 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 Figure 17. SOT-323 footprint (dimensions in mm) 0.
BAT54 Package information Table 11. SOT-666 dimensions Dimensions b1 Ref. Millimeters Inches L1 Min. Typ. Max. Min. Typ. Max. A 0.45 0.60 0.018 0.024 A3 0.08 0.18 0.003 0.007 b 0.17 0.34 0.007 0.013 b1 0.19 D 1.50 1.70 0.059 0.067 E 1.50 1.70 0.059 0.067 E1 1.10 1.30 0.043 0.051 L3 b D E1 0.27 0.34 0.007 0.011 0.013 A L2 E A3 e 0.50 0.020 L1 0.19 0.007 L2 0.10 0.30 0.004 0.012 e L3 0.10 0.004 Figure 18. SOT-666 footprint (dimensions in mm) 0.50 0.
Ordering information 4 BAT54 Ordering information Table 12.
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