BAT41 Series Low capacitance small signal Schottky diodes Main product characteristics IF 200 mA VRRM 100 V C (typ) 3 pF Tj (max) 150° C BAT41ZFILM (Single) SOD-123 BAT41JFILM (Single) Features and benefits ■ Low leakage current losses ■ Negligible switching losses ■ Low forward and reverse recovery times ■ Extremely fast switching ■ Surface mount device ■ Low capacitance diode SOD-323 BAT41KFILM (Single) SOD-523 Description The BAT41 series uses 100 V Schottky barrier diodes packaged in SOD-123, SOD-323, SOD523, SOT-323, or SOT-666. This series is specially suited for switching mode with low IR losses BAT41WFILM (Single) SOT-323 Order codes BAT41AWFILM (Common anode) Part Number Marking BAT41ZFILM Z41 BAT41WFILM B41 BAT41SWFILM S41 BAT41CWFILM C41 BAT41AWFILM A41 BAT41JFILM 41 BAT41KFILM 41 BAT41-09P6FILM Q1 BAT41-07P6FILM P1 August 2006 BAT41CWFILM (Common cathode) BAT41SWFILM (Series) BAT41-07P6FILM (2 parallel diodes) SOT-666 BAT41-09P6FILM (2 opposite diodes) Configurations in top view Rev 1 1/12 www.st.com Characteristics BAT41 Series 1 Characteristics Table 1. Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified) Symbol VRRM IF Parameter Value Unit Repetitive peak reverse voltage 100 V Continuous forward current 200 mA 1 A -65 to +150 °C 150 °C Value Unit IFSM Surge non repetitive forward current Tstg Storage temperature range Tj Table 2. Maximum operating junction temperature Thermal parameters Symbol Rth(j-a) tp = 10 ms Sinusoidal Parameter Junction to ambient(1) SOD-123 500 SOT-323, SOD-323 550 SOD-523, SOT-666 600 °C/W 1. Epoxy printed circuit board with recommended pad layout Table 3. Symbol Static electrical characteristics Parameter IR(1) Reverse leakage current VF(2) Forward voltage drop Test conditions Tj = 25° C Tj = 100° C Tj = 25° C Min. Typ Max. Unit 0.1 VR = 50 V µA 20 IF = 1 mA 400 450 mV IF = 200 mA 1000 1. Pulse test: tp = 5 ms, δ < 2 % 2. Pulse test: tp = 380 µs, δ < 2 % Table 4. Dynamic characteristics Symbol Parameter C 2/12 Diode capacitance Test conditions VR = 1 V, F = 1 MHz Min. Typ Max. Unit 3 10 pF BAT41 Series Figure 1. Characteristics Average forward power dissipation Figure 2. versus average forward current Average forward current versus ambient temperature (δ = 1) IF(AV)(A) P(W) 0.22 0.22 0.20 δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5 0.20 0.18 0.18 0.16 0.16 δ=1 0.14 0.14 0.12 0.12 0.10 0.10 0.08 0.08 0.06 0.06 T T 0.04 0.04 0.02 IF(AV)(A) 0.00 0.02 0.04 Figure 3. 0.06 0.08 0.10 0.12 0.02 δ=tp/T 0.00 0.14 0.16 0.18 0.20 δ=tp/T tp 0.00 0.22 0.24 Reverse leakage current versus reverse applied voltage (typical values) 0 Figure 4. IR(µA) Tamb(°C) tp 25 50 75 100 125 150 Reverse leakage current versus junction temperature (typical values) IR(µA) 1.E+03 1.E+03 VR=50V Tj=150°C 1.E+02 1.E+02 Tj=125°C 1.E+01 1.E+01 Tj=100°C 1.E+00 Tj=75°C 1.E+00 1.E-01 Tj=50°C 1.E-01 1.E-02 Tj=25°C Tj(°C) VR(V) 1.E-02 0 Figure 5. 20 40 1.E-03 60 80 100 Junction capacitance versus reverse applied voltage (typical values) 0 25 Figure 6. 50 75 100 125 150 Forward voltage drop versus forward current (typical values) IFM(A) C(pF) 10.0 1.E+00 F=1MHz VOSC=30mVRMS Tj=25°C 1.E-01 Tj=75°C 1.E-02 1.0 Tj=-40°C 1.E-03 VFM(V) VR(V) 1.E-04 0.1 1.0 10.0 100.0 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 3/12 Characteristics Figure 7. BAT41 Series Forward voltage drop versus forward current (typical values) Figure 8. Variation of thermal impedance junction to ambient versus pulse duration (printed circuit board, epoxy FR4, eCU=35 µm, SOT323-6L) Zth(j-a)(°C/W) IFM(A) 1000 1.E+00 SOT323-6L Tj=125°C 1.E-01 Tj=100°C Tj=25°C 1.E-02 100 Single pulse 1.E-03 tp(s) VFM(V) 10 1.E-04 0.0 0.1 Figure 9. 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.E-02 1.2 Relative variation of thermal impedance junction to ambient versus pulse duration (alumine substrate, SOT-23) (printed circuit board, epoxy FR4, eCU=35 µm, SOD-323) 1.E-01 1.E+01 1.E+02 Figure 10. Relative variation of thermal impedance junction to ambient versus pulse duration (printed circuit board, epoxy FR4, eCU=35 µm, SOT-666 and SOD-523) Zth(j-a)/Rth(j-a) Zth(j-a)/Rth(j-a) 1.00 1.00 SOT-23 Alumine substrate 10 x 8 x 0.5 mm Single pulse SOD-523 Epoxy FR4 eCU = 35 µm SOD-323 Epoxy FR4 SCU = 2.25 mm2 eCU = 35 µm 0.10 0.10 Single pulse SOT-666 Epoxy FR4 eCU = 35 µm tp(s) tp(s) 0.01 0.01 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 Figure 11. Thermal resistance junction to ambient versus copper surface under each lead (printed circuit board, epoxy FR4, eCU=35 µm, SOD-323) Rth(j-a)(°C/W) 600 550 500 450 400 350 SCU(mm²) 300 0 4/12 1.E+00 5 10 15 20 25 30 35 40 45 50 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 BAT41 Series 2 Ordering information scheme Ordering information scheme BAT41 xx xx FILM Signal Schottky diodes VRRM = 100 V Configuration No letter = Single diode A = Common anode C = Common cathode S = Series diodes 07 = Parallel diodes 09 = Opposite diodes Package J = SOD-323 W = SOT-323 K = SOD-523 P6 = SOT-666 Z = SOD-123 Packing FILM = Tape and reel 5/12 Package information 3 BAT41 Series Package information Epoxy meets UL94, V0 Table 5. SOD-123 dimensions Dimensions Ref. H Millimeters Inches A2 A1 b Min. A E D A c Max. Min. 1.45 Max. 0.057 A1 0 0.1 0 0.004 A2 0.85 1.35 0.033 0.053 b 0.55 Typ. 0.022 Typ. c 0.15 Typ. 0.039 Typ. D 2.55 2.85 0.1 0.112 E 1.4 1.7 0.055 0.067 G 0.25 H 3.55 G 0.01 3.95 Figure 12. SOD-123 footprint (dimensions in mm) 4.45 0.65 0.97 6/12 2.51 0.97 0.14 0.156 BAT41 Series Package information Table 6. SOD-323 dimensions Dimensions H A1 Ref. b Millimeters Min. E A A D c Q1 L Max. Inches 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 13. SOD-323 footprint (dimensions in mm) 3.20 0.54 1.06 1.08 1.06 7/12 Package information Table 7. BAT41 Series SOD-523 dimensions Dimensions E Ref. 0.15 M C A B E1 B D 2xb 0.20 M C A B Millimeters 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 0.008 0.010 L1 0.10 0.20 0.004 A 8° R0.1 A c SEATING PLANE C 7° L L1 Figure 14. SOD-523 footprint (dimensions in mm) 0.7 0.3 2 8/12 0.20 0.008 BAT41 Series Package information Table 8. SOT-323 dimensions Dimensions Ref. Millimeters Inches A Min. E e Typ. 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 c e θ 0.65 0.026 L H 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 30° Figure 15. SOT-323 footprint (dimensions in mm) 0.95 1.0 0.8 2.9 0.50 9/12 Package information BAT41 Series Table 9. SOT-666 dimensions Dimensions b1 Ref. Millimeters Inches L1 Min. L3 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 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 16. SOT-666 footprint (dimensions in mm) 0.50 0.62 2.60 0.99 0.30 In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 10/12 BAT41 Series 4 5 Ordering information Ordering information Part Number Marking Package Weight Base qty Delivery mode BAT41ZFILM Z41 SOD-123 Single 10 mg 3000 Tape and reel BAT41WFILM B41 SOT-323 Single 6 mg 3000 Tape and reel BAT41SWFILM S41 SOT-323 Series 6 mg 3000 Tape and reel BAT41CWFILM C41 SOT-323 Common cathode 6 mg 3000 Tape and reel BAT41AWFILM A41 SOT-323 Common anode 6 mg 3000 Tape and reel BAT41JFILM 41 SOD-323 Single 5 mg 3000 Tape and reel BAT41KFILM 41 SOD-523 Single 1.4 mg 3000 Tape and reel BAT41-09P6FILM Q1 SOT-666 Opposite 2.9 mg 3000 Tape and reel BAT41-07P6FILM P1 SOT-666 Parallel 2.9 mg 3000 Tape and reel Revision history Date Revision 08-Aug-2006 1 Description of Changes Initial release. 11/12 BAT41 Series Please Read Carefully: Information in this document is provided solely in connection with ST products. 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