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. BAT54FILM (Single) SOT-23 BAT54AFILM (Common anode) BAT54SFILM (Series) BAT54CFILM (Common cathode) BAT54WFILM (Single) SOT-323 BAT54CWFILM (Common cathode) BAT54AWFILM (Common anode) BAT54SWFILM (Series) Table 1. Device summary Symbol Value IF 300 mA VRRM 40 V C (typ) 7 pF Tj (max) 150 C October 2009 BAT54-07P6FILM (2 parallel diodes) SOT-666 BAT54-09P6FILM (2 opposite diodes) Configurations in top view Doc ID 5505 Rev 10 1/13 www.st.com 13 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. Thermal parameters Symbol Rth(j-a) tp = 10 ms Sinusoidal Parameter Junction to ambient(1) SOT-23, 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 4. Static electrical characteristics Symbol Parameter IR(1) Reverse leakage current VF(2) Test conditions Tj = 25 C Tj = 100 C Forward voltage drop Tj = 25 C Min. Typ. Max. Unit 1 VR = 30 V A 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, < 2 % 2. Pulse test: tp = 380 s, < 2 % Table 5. Symbol 2/13 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 Doc ID 5505 Rev 10 Min. Typ. Max. Unit 7 10 pF 5 ns BAT54 Characteristics Figure 1. 0.35 Average forward power dissipation Figure 2. versus average forward current P(W) 0.35 =0.05 =0.2 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 T 0.10 0.05 =tp/T IF(AV)(A) T 0.10 0.05 =tp/T tp tp T amb (C) 0.00 0.00 0.00 0.05 Figure 3. 1.E+02 IF(AV)(A) =1 =0.5 =0.1 Average forward current versus ambient temperature ( = 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=25C] IR(A) 1.E+04 VR=3V Tj=100C 1.E+03 1.E+01 1.E+02 Tj=50C 1.E+00 1.E+01 Tj=25C 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=100C F=1MHz VOSC=30mVRMS Tj=25C 1.E-01 1.E-02 Tj=50C Tj=25C 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 5505 Rev 10 3/13 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 m 500 1.E-01 400 1.E-02 300 SCU(mm) tP(s) 200 0 5 Figure 9. 1.E+00 10 15 20 25 Epoxy FR4 SCU=2.25 mm eCU=35 m 30 35 40 45 1.E-03 1.E-03 50 Relative variation of thermal impedance junction to ambient versus pulse duration (SOT-23) 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 Figure 10. Relative variation of thermal impedance junction to ambient versus pulse duration (SOD-523) Zth(j-a) /Rth(j-a) 1.E+00 Zth(j-a) /Rth(j-a) Single pulse SOT23 Single pulse SOD523 1.E-01 1.E-01 1.E-02 Alumine substrate 10 x 8 x 0.5 mm tP(s) 1.E-02 1.E-03 1.E-02 1.E-01 tP(s) 1.E+00 1.E+01 1.E-03 1.E-03 1.E+02 1.E-02 1.E-01 Epoxy FR4 eCU=35 m 1.E+00 1.E+01 Figure 11. Relative variation of thermal impedance junction to ambient versus pulse duration 1.E+00 Zth(j-a) /Rth(j-a) Single pulse SOT666 1.E-01 Epoxy FR4 eCU=35 m tP(s) 1.E-02 1.E-03 4/13 1.E-02 1.E-01 1.E+00 Doc ID 5505 Rev 10 1.E+01 BAT54 2 Ordering information scheme Ordering information scheme Figure 12. Ordering information scheme BAT54 xx xx FILM Signal Schottky diodes VRRM = 40 V Configuration No letter = Single diode A = Common anode C = Common cathode S = Series diodes 07 = Parallel diodes 09 = Opposite diodes Package Blank = SOT-23 J = SOD-323 W = SOT-323 K = SOD-523 P6 = SOT-666 Z = SOD-123 Packing FILM = Tape and reel Doc ID 5505 Rev 10 5/13 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(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) 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. 0.057 A1 0 0.1 0 0.004 A2 0.85 1.35 0.033 0.053 c 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 13. SOD-123 footprint (dimensions in mm) 4.45 0.65 0.97 6/13 2.51 Doc ID 5505 Rev 10 0.97 0.14 0.156 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 1.06 7/13 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. SOD-523 footprint (dimensions in mm) 0.7 0.3 2 8/13 Doc ID 5505 Rev 10 0.20 0.008 0.010 0.008 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 1.26 0.73 Doc ID 5505 Rev 10 3.25 9/13 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 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) 0.95 1.0 0.8 10/13 Doc ID 5505 Rev 10 0.50 2.9 30 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 0.62 2.60 0.99 0.30 Doc ID 5505 Rev 10 11/13 Ordering information 4 BAT54 Ordering information Table 12. Ordering information Order code 5 Marking Package Weight Base qty Delivery mode BAT54FILM D86 SOT-23 Single 10 mg 3000 Tape and reel BAT54SFILM D88 SOT-23 Serial 10 mg 3000 Tape and reel BAT54CFILM D87 SOT-23 Common cathode 10 mg 3000 Tape and reel BAT54AFILM D84 SOT-23 Common anode 10 mg 3000 Tape and reel BAT54WFILM D73 SOT-323 Single 6 mg 3000 Tape and reel BAT54SWFILM D78 SOT-323 Serial 6 mg 3000 Tape and reel BAT54CWFILM D77 SOT-323 Common cathode 6 mg 3000 Tape and reel BAT54AWFILM D74 SOT-323 Common anode 6 mg 3000 Tape and reel BAT54JFILM 86 SOD-323 5 mg 3000 Tape and reel BAT54JFILM-H 86 SOD-323 ECOPACK(R)2 halogen-free 5 mg 3000 Tape and reel BAT54KFILM 86 SOD-523 1.4 mg 3000 Tape and reel BAT54-07P6FILM P4 SOT-666 Parallel 2.9 mg 3000 Tape and reel BAT54-09P6FILM Q4 SOT-666 Opposite 2.9 mg 3000 Tape and reel BAT54ZFILM D72 SOD-123 10 mg 3000 Tape and reel Revision history Table 13. 12/13 Document revision history Date Revision Changes Jun-1999 8 Last update. 24-Jul-2006 9 BAT54, A, C, S and BAT54J / W / AW / CW /SW datasheets merged. ECOPACK statement added. SOD-123, SOD-523 and SOT-666 packages added. 13-Oct-2009 10 Updated Table 8 quote "L1" from 0.10 to 0.05. Doc ID 5505 Rev 10 BAT54 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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