B320W-ST THRU B3200W-ST 3A Surface Mount Schottky Barrier Rectifiers ■ Features ■ Outline • Low profile surface mounted application in order to optimize board space. • Low power loss, high efficiency. • High current capability, low forward voltage drop. • Ultra high-speed switching. • Silicon epitaxial planar chip, metal silicon junction. • Suffix "G" indicates Halogen-free part, ex.B320WG-ST. • Lead-free parts meet environmental standards of MIL-STD-19500 /228 SOD-123ST 0.154(3.9) 0.138(3.5) 0.039(1.0) 0.031(0.8) 0.016(0.4) Typ. 0.079(2.0) 0.063(1.6) 0.008(0.20)Max. 0.055(1.4) 0.039(1.0) 0.039 (1.0) 0.096(2.45) 0.081(2.05) 0.024 (0.6) ■ Mechanical data 0.051(1.3) 0.035(0.9) • Epoxy:UL94-V0 rated flame retardant • Case : Molded plastic, SOD-123ST • Terminals : Solder plated, solderable per MIL-STD-750, Method 2026 • Polarity : Indicated by cathode band • Weight : Approximated 0.0155 gram 0.039(1.0) 0.031(0.8) 0.057(1.45) 0.041(1.05) Dimensions in inches and (millimeters) ■ Maximum ratings and electrical characteristics Rating at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Parameter Conditions Symbol Forward rectified current See Fig.1 Forward surge current 8.3ms single half sine-wave superimposed on rate load (JEDEC method) V R = V RRM T A = 25 OC Reverse current V R = V RRM T A = 100 C Thermal resistance TYP. MAX. UNIT IO 3.0 A I FSM 70 A 0.1 IR O Diode junction capacitance MIN. f=1MHz and applied 4V DC reverse voltage CJ Junction to ambient R θJA T STG Storage temperature 20 250 pF O 55 -55 Symbol Marking code Max. repetitive peak reverse voltage V RRM (V) Max. RMS voltage V RMS (V) Max. DC blocking voltage V R (V) Max. forward voltage @3A, T A = 25 OC V F (V) B320W-ST 32 20 14 20 0.45 B340W-ST 34 40 28 40 0.50 B360W-ST 36 60 42 60 0.70 B3100W-ST 310 100 70 100 0.81 B3150W-ST 315 150 105 150 0.87 B3200W-ST 320 200 140 200 0.90 1 mA +175 C/W O C Operating temperature T J ( OC) -55 ~ +150 -55 ~ +175 Document ID : DS-12K3R Revised Date : 2013/07/17 Revision : C2 B320W-ST THRU B3200W-ST 3A Surface Mount Schottky Barrier Rectifiers ■ Rating and characteristic curves AVERAGE FORWARD CURRENT,(A) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL FORWARD CHARACTERISTICS 3.0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE,( C) PEAK FORWAARD SURGE CURRENT,(A) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 0W -S T~ B3 4 B3 2 W -S T 00 0W -S T~ B3 2 0 1.0 15 T -S W ST W- 0 3.0 T 0W-S 0W -S T 00 00 0.5 B3 1 0 B3 6 2 B3 T~ -S 0W 1.0 10 TJ=25OC Pulse Width 300us 1% Duty Cycle B3 15 1 B3 T~ -S 0W 1.5 INSTANTANEOUS FORWARD CURRENT,(A) B3 2 B3 2.0 0W -S T 50 2.5 0.1 100 .01 80 .1 .3 .7 .9 1.1 1.3 1.5 FORWARD VOLTAGE,(V) 8.3ms Single Half 60 .5 Sine Wave TJ=25OC JEDEC method 40 20 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 0 1 5 50 10 100 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.4-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 700 600 500 400 300 200 10 1.0 TJ=125OC .1 O TJ=25 C 100 0 .01 .01 .05 .1 .5 1 5 10 50 100 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) REVERSE VOLTAGE,(V) 2 Document ID : DS-12K3R Revised Date : 2013/07/17 Revision : C2 B320W-ST THRU B3200W-ST 3A Surface Mount Schottky Barrier Rectifiers ■ SOD-123ST foot print C A B D A B C D 0.036 (0.90) 0.084 (2.10) 0.032 (0.80) 0.032 (0.80) Dimensions in inches and (millimeters) ■ CITC reserves the right to make changes to this document and its products and specifications at any time without notice. ■ Customers should obtain and confirm the latest product information and specifications before final design, purchase or use. ■ CITC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does CITC assume any liability for application assistance or customer product design. ■ CITC does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. ■ No license is granted by implication or otherwise under any intellectual property rights of CITC. ■ CITC products are not authorized for use as critical components in life support devices or systems without express written approval of CITC. http://www.citcorp.com.tw/ Tel:886-3-5600628 Fax:886-3-5600636 Add:Rm. 3, 2F., No.32, Taiyuan St., Zhubei City, Hsinchu County 302, Taiwan (R.O.C.) 3 Document ID : DS-12K3R Revised Date : 2013/07/17 Revision : C2