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| BAT46 Series Small signal Schottky diodes Main product characteristics IF VRRM C (typ) Tj (max) 150 mA 100 V 6 pF 150 C BAT46ZFILM (Single) SOD-123 Features and benefits BAT46JFILM (Single) SOD-323 Very small conduction losses Negligible switching losses Low forward voltage drop Surface mount device Description Diodes in the BAT46 series are high voltage, small signal Schottky diodes suited for protection and routing operations. BAT46FILM (Single) BAT46AFILM (Common anode) BAT46CFILM (Common cathode) BAT46SFILM (Series) SOT-23 Order codes Part Number BAT46ZFILM BAT46FILM BAT46AFILM BAT46CFILM BAT46SFILM BAT46WFILM BAT46AWFILM BAT46CWFILM BAT46SWFILM BAT46JFILM Marking Z46 S46 A46 C46 B46 D46 DB6 DB8 B46 46 BAT46WFILM (Single) BAT46AWFILM (Common anode) BAT46CWFILM (Common cathode) BAT46SWFILM (Series) SOT-323 Configurations in top view July 2006 Rev 4 1/11 www.st.com Characteristics BAT46 Series 1 Table 1. Symbol VRRM IF IFSM Tstg Tj TL Characteristics Absolute ratings (limiting values at Tj = 25 C, unless otherwise specified) Parameter Repetitive peak reverse voltage Continuous forward current Surge non repetitive forward current Storage temperature range Maximum operating junction temperature Maximum soldering temperature(1) (1) Value 100 150 tp = 10 ms Sinusoidal 1 -65 to +150 150 260 Unit V mA A C C C 1. Pulse test: tp = 380 s, < 2 % Table 2. Symbol Rth(j-a) Thermal parameters Parameter Junction to ambient(1) SOD-123, SOT-23 SOT-323, SOD-323, Value 500 C/W 550 Unit 1. On epoxy printed circuit board with recommended pad layout Table 3. Symbol Static electrical characteristics Parameter Test conditions VR = 1.5 V Tj = 25 C VR = 10 V VR = 50 V VR = 75 V VR = 1.5 V Tj = 60 C VR = 10 V VR = 50 V VR = 75 V IF = 0.1 mA Min. Typ Max. 0.5 0.8 2 5 A 5 7.5 15 20 0.25 0.45 1 V Unit IR(1) Reverse leakage current VF (2) Forward voltage drop Tj = 25 C IF =10 mA IF =250 mA 1. Pulse test: tp = 5 ms, < 2 % 2. Pulse test: tp = 380 s, < 2 % Table 4. Symbol C Dynamic characteristics Parameter Diode capacitance Test conditions VR = 0 V, F = 1 MHz VR = 1 V, F = 1 MHz Min. Typ 10 pF 6 Max. Unit 2/11 BAT46 Series Characteristics Figure 1. Average forward power dissipation Figure 2. versus average forward current IF(AV)(A) =0.05 =0.1 =0.2 =0.5 =1 Average forward current versus ambient temperature ( = 1) P(W) 0.12 0.16 0.14 0.12 0.10 0.08 0.10 0.08 0.06 0.06 0.04 T 0.04 0.02 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 T 0.02 IF(AV)(A) 0.00 0.00 =tp/T tp =tp/T 0 25 tp 50 T amb (C) 75 100 125 150 Figure 3. Reverse leakage current versus reverse applied voltage (typical values) Figure 4. Reverse leakage current versus junction temperature IR(A) 1.E+03 Tj=125 C IR(A) 1.E+04 VR=75 V 1.E+03 1.E+02 Tj=100 C 1.E+02 Tj=75 C 1.E+01 Tj=50 C 1.E+01 1.E+00 1.E+00 Tj=25 C 1.E-01 VR(V) Tj(C) 1.E-02 90 100 1.E-01 10 20 30 40 50 60 70 80 0 25 50 75 100 125 150 Figure 5. Junction capacitance versus reverse applied voltage (typical values) Figure 6. Forward voltage drop versus forward current (typical values, low-level) C(pF) 12 F=1 MHz VOSC=30 mVRMS Tj=25 C IFM (mA) 20 18 16 10 8 14 12 Tj=125 C Tj=25 C 6 10 8 4 6 4 VR(V) 2 2 0 VFM(V) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 0 10 20 30 40 50 60 70 80 90 100 3/11 Characteristics BAT46 Series Figure 7. Forward voltage drop versus forward current (typical values, high-level) Figure 8. Relative variation of thermal impedance junction to ambient versus pulse duration - printed circuit board, epoxy FR4 eCU = 35 m (SOD-323) IFM (A) 1.E+00 1.00 Zth(j-a) /Rth(j-a) Single pulse SOD-323 Tj=125 C 1.E-01 Tj=25 C 0.10 VFM(V) 1.E-02 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.01 1.E-02 1.E-01 tP(s) 1.E+00 Epoxy FR4 SCU=2.25 mm eCU=35 m 1.E+01 1.E+02 Figure 9. Relative variation of thermal impedance junction to ambient versus pulse duration aluminium oxide substrate 10 mm x 8 mm x 0.5 mm (SOT-23) Figure 10. Variation of thermal impedance junction to ambient versus pulse duration - printed circuit board, epoxy FR4, eCU = 35 m (SOT-323) Zth(j-a) (C/W) 1000 Single pulse SOT-323 Zth(j-a) /Rth(j-a) 1.00 Single pulse SOT-23 0.10 100 tP(s) 0.01 1.E-02 1.E-01 1.E+00 Alumine substrate 10 x 8 x 0.5 mm tP(s) 1.E+01 1.E+02 10 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, epoxy FR4, eCU = 35 m (SOD-323) Rth(j-a) (C/W) 600 550 500 450 400 350 SCU(mm) 300 0 5 10 15 20 25 30 35 40 45 50 4/11 BAT46 Series Ordering information scheme 2 Ordering information scheme BAT46 Signal Schottky diodes xx xx FILM Configuration No letter = Single diode A = Common anode C = Common cathode S = Series diodes Package Blank = SOT-23 J = SOD-323 W = SOT-323 Z = SOD-123 Package FILM = Tape and reel 5/11 Package information BAT46 Series 3 Package information Epoxy meets UL94, V0 Table 5. SOD-123 dimensions Dimensions Ref. H A2 A1 b E Millimeters Min. Max. 1.45 0 0.85 0.1 1.35 0 Inches Min. Max. 0.057 0.004 0.053 A A1 D A A2 b 0.033 0.55 Typ. 0.15 Typ. 2.55 1.4 0.25 3.55 3.95 2.85 1.7 0.022 Typ. 0.039 Typ. 0.1 0.055 0.01 0.14 0.156 0.112 0.067 c c D E G G H Figure 12. SOD-123 footprint (dimensions in mm) 4.45 0.65 0.97 2.51 0.97 6/11 BAT46 Series Table 6. SOD-323 dimensions Package information Dimensions H b E A1 Ref. Millimeters Min. Max. 1.17 0 0.25 0.1 1.52 1.11 2.3 0.1 0.1 0.1 0.44 0.25 1.8 1.45 2.7 0.46 0.41 0 Inches Min. Max. 0.046 0.004 0.017 0.01 0.071 0.057 0.106 0.02 0.016 A A1 D A b c 0.01 0.004 0.06 0.044 0.09 0.004 0.004 c Q1 D E H L L Q1 Figure 13. SOD-323 footprint (dimensions in mm) 3.20 0.54 1.06 1.08 1.06 7/11 Package information Table 7. SOT-23 dimensions Dimensions Ref. A E BAT46 Series Millimeters Min. Max. 1.4 0.1 0.51 0.18 3.04 1.05 2.1 1.6 2.75 0.6 typ. 0.35 0.65 Inches Min. 0.035 0 0.012 0.003 0.108 0.033 0.067 0.047 0.083 Max. 0.055 0.004 0.02 0.007 0.12 0.041 0.083 0.063 0.108 A e B e1 D 0.89 0 0.3 0.085 2.75 0.85 1.7 1.2 2.1 A1 B c S A1 D e e1 L H c E H L S 0.024 typ. 0.014 0.026 Figure 14. SOT-23 footprint (dimensions in mm) 0.95 0.61 1.26 0.73 3.25 8/11 BAT46 Series Table 8. SOT-323 dimensions Package information Dimensions Ref. A E Millimeters Min. Typ. Max. 1.1 0.1 0.4 0.26 2.0 1.25 0.65 1.8 0.1 0 2.1 0.2 2.4 0.3 30 0.071 0.004 0 2.2 1.35 Min. 0.031 0.0 0.010 0.004 0.071 0.045 Inches Typ. Max. 0.043 0.004 0.016 0.010 0.079 0.049 0.026 0.083 0.008 0.094 0.012 30 0.086 0.053 A e b D 0.8 0.0 0.25 0.1 1.8 1.15 A1 b c A1 D E c H e L H L q Figure 15. SOT-323 footprint (dimensions in mm) 0.95 1.0 2.9 0.8 0.50 In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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. 9/11 Ordering information BAT46 Series 4 Ordering information Part Number BAT46ZFILM BAT46FILM BAT46AFILM BAT46CFILM BAT46SFILM BAT46WFILM BAT46AWFILM BAT46CWFILM BAT46SWFILM BAT46JFILM Marking Z46 S46 A46 C46 B46 D46 DB6 DB8 B46 46 Package SOD-123 Single SOT-23 Single SOT-23 Common anode SOT-23 Common cathode SOT-23 Series SOT-323 Single SOT-323 Common anode SOT-323 Common cathode SOT-323 Series SOD-323 Weight 10 mg 10 mg 10 mg 10 mg 10 mg 6 mg 6 mg 6 mg 6 mg 5 mg Base qty 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 Delivery mode Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel Tape and reel 5 Revision history Date Jun-1999 25-Jul-2006 Revision 3 4 Description of Changes Previous revision. BAT46Z, J, W datasheets merged. ECOPACK statement added. 10/11 BAT46 Series 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. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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