ST545B

Niu Hang Electronic Co. Ltd Specification For Approval ST545B SUPER LOW VF SCHOTTKY RECTIFIERS 45 VOLTAGE: Volts 5.0 CURRENT： Amperes Marking and Polarity SMB(DO-214AA) FEATURES · · · Super Low Forward Voltage Drop for high efficiency Low leakage current for high reliability FFYWW High forward surge capability for high reliability MECHANICAL DATA ST545B · · · · Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Mounting Position: Any Lead Free: Lead Free Finish, RoHS Compliant Weight:App. 0.095 grams（0.0034 ounce) Remark: TYPICAL APPLICATIONS ①. ST545B=Modle · For use in high frequency inverters , ②. NH=niuhang trademark DC/DC converters,LED driver etc. applications ③. FF=Product line,According to actual changes; YWW=Periodic code,According to actual changes; ④. White band denotes cathode Maximum Ratings (Ratings at 25℃ ambient temperature unless otherwise specified.) Symbol ST545B Unit Maximum repetitive peak reverse voltage VRRM 45 V Maximum RMS voltage VRMS 31.5 V Maximum DC blocking voltage VDC 45 V Maximum average forward rectified current(see fig.1) IF(AV) 5.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL)(see fig.5) IFSM 120 A Parameter Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified). ST545B Parameter Test Conditions Maximum instantaneous forward voltage (see fig.2) (Note 1) Maximum instantaneous reversecurrent at rated DC blockingvoltage (see fig.3)(Note 1) TA=25℃ IF= 5.0 Unit Symbol A Min. Typ. Max. -- 0.40 0.45 -- 0.34 0.38 -- 1 5 uA -- 5 20 mA -- 370 -- pF VF V TA=125℃ TA=25℃ VR= VRRM TA=125℃ VR= 80%*VRRM IR 4V,1MHz Typical junction capacitance(see fig.4) CJ Thermal Characteristcs (Ratings at 25℃ ambient temperature unless otherwise specified ) Symbol Parameter ST545B Unit TJ -55 to 150 Storage temperature range TSTG -55 to 150 Typical thermal resistance (Note 2) RθJA 25 RθJL 8 Operating junction ℃ ℃/W Note： 1.Pulse width < 300 uS, Duty cycle < 2% 2.Mounted on P.C.B. with 0.3" x 0.3" (7.62 mm x 7.62 mm) copper pad areas Http://www.nh-semicon.com Data:2014/10/20 Rev.:A/1 Page: 1 of 5 Niu Hang Electronic Co. Ltd Specification For Approval ST545B SUPER LOW VF SCHOTTKY RECTIFIERS RATINGANDCHARACTERISTICCURVES 10 INSTANTANEOUS FORWARD CURRENT,(A) AVERAGE FORWARD CURRENT,(A) 6 5 4 3 2 1 0 0 25 50 75 100 125 0 100 200 300 25℃ 400 500 600 125℃ Tc, Case Temp (℃) FORWORD VOLTAGE,(mV) Fig.1- FORWARD CURRENT DERATING CURVE Fig.2-TYPICAL INSTANTANEOUS FORWARD 10000 JUNCTION CAPACITANCE,(pF) 10000 1000 100 10 1 0.1 1000 100 10 0.01 0 20 40 60 80 100 1 25℃ 125℃ 0.1 1 10 100 PERCENT OF RATED PEAK REVERSE VOLTAGE% REVERSE VOLTAGE,(V) Fig.3-TYPICAL REVERSE CHARACTERISTICS Fig.4- TYPICAL JUNCTION CAPACITANCE 120 TJ=TJMAX. 8.3ms SINGLE HALF SINE-WAVE JEDEC Method 80 40 0 1 10 100 TRANSIENT THERMAL IMPEDANCE, ℃/ W INSTANTANEOUS REVERSE CURRENT (uA) 0.1 150 100000 PEAK FORWARD SURGE CURRENT (A) 1 100 10 1 0.1 0.01 0.1 1 10 100 NUMBER OF CYCLES AT 60HZ TP,PULSE DURATION ,(sec.) Fig.5-MAX. NON-REPETITIVE SURGE CURRENT FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE Http://www.nh-semicon.com Data:2014/10/20 Rev.:A/1 Page: 2 of 5 Niu Hang Electronic Co. Ltd Specification For Approval ST545B SUPER LOW VF SCHOTTKY RECTIFIERS OUTLINE DRAWINGS SMB(DO-214AA) OUTLINE DIMENSIONS Milimeters Inches Dim. RECOMMEDNED LAYOUT DRAWINGS Min. Typ. Max. Min. Typ. Max. A 4.060 - 4.700 0.15984 - 0.18504 B 5.080 - 5.590 0.2 - 0.22008 C 3.300 - 3.940 0.12992 - 0.15512 D 2.130 - 2.440 0.08386 - 0.09606 E 1.910 - 2.110 0.0752 - 0.08307 F 0.910 - 1.500 0.03583 - 0.05906 G 0.051 - 0.203 0.00201 - 0.00799 H 0.152 - 0.305 0.00598 - 0.01201 SMB(DO-214AA) RECOMMEDNED MOUNTING PAD DIMENSIONS Milimeters Inches Dim. PACKING INFORMATION Min. Typ. Max. Min. Typ. Max. A - 6.340 - - 0.24961 - B - 2.720 - - 0.10709 - C - 1.760 - - 0.06929 - D - 2.290 - - 0.09016 - SMB(DO-214AA) Package Method Reel Size (mm) Quantity (pcs/reel) Inner Box Size L×W×H(mm) Quantity (pcs/Inner Box) Carton Size L×W×H(mm) Quantity (pcs/carton) Tape Reel Φ330 3000 340×340×45 6000 360×360×470 60000 Http://www.nh-semicon.com Data:2014/10/20 Rev.:A/1 Page: 3 of 5 Niu Hang Electronic Co. Ltd Specification For Approval ST545B SUPER LOW VF SCHOTTKY RECTIFIERS Recommended wave soldering condition Product Peak Temperature Soldering Time Pb-free devices 260 +0/-5 °C 5 +1/-1 seconds Profile feature Sn-Pb eutectic Assembly Pb-free Assembly Average ramp-up rate (Tsmax to Tp) 3°C/second max. 3°C/second max. Preheat −Temperature Min(TS min) −Temperature Max(TS max) −Time(ts min to ts max) 100°C 150°C 60-120 seconds 150°C 200°C 60-180 seconds Time maintained above: −Temperature (TL) − Time (tL) 183°C 60-150 seconds 217°C 60-150 seconds Peak Temperature(TP) 240 +0/-5 °C 260 +0/-5 °C Time within 5°C of actual peak temperature(tp) 10-30 seconds 20-40 seconds Ramp down rate 6°C/second max. 6°C/second max. Time 25 °C to peak temperature 6 minutes max. 8 minutes max. Recommended temperature profile for IR reflow Note : All temperatures refer to topside of the package, measured on the package body surface. Http://www.nh-semicon.com Data:2014/10/20 Rev.:A/1 Page: 4 of 5 Niu Hang Electronic Co. Ltd Specification For Approval ST545B SUPER LOW VF SCHOTTKY RECTIFIERS Disclaimer ● Reproducing and modifying informatiom of the document is prohibited without permission from niuhang Electronics co., LTD ● Niuhang Electronics co., LTD. reserves the rights to make changes of the content herein the document anytime without notification. ● Niuhang Electronics co., LTD. disclaims any and all liability arising out of the application or use of any product including damages incidentally and consequentially occurred. ● Niuhang Electronics co., LTD. does not assume any and all implied warranties, including warranties of fitness for particular purpose,non-infringement and merchantability. ● Applications shown on the herein document are examples of standard use and operation. Customers are responsible in comprehending the suitable use in particular applications. Niuhang Electronics co., LTD.makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. ● The products shown herein are not designed and authorized for equipments requiring high level of reliability or relating to human life and for any applications concerning life-saving or life-sustaining,such as medical instruments.transportation equipment,aerospae machinery et cetera.Customers usin or selling these products for use in such applications do so at their own rish and agree to fully indemnify Niuhang Electronics co., LTD.for any damages resulting resulting from such improper use or sale. ● When the appearance of the product and chip size does not change, in order to product the customer. quality, change the internal structure and the production process Niuhang can not notify Http://www.nh-semicon.com Data:2014/10/20 Rev.:A/1 Page: 5 of 5