DB151S THRU DB157S SINGLE-PHASE GLASS PASSIVATED SILICON SURFACE MOUNT BRIDGE RECTIFIERS Reverse Voltage – 50 to 1000 Volts Forward Current – 1.5 Ampere Features • High surge overload rating of 50 amperes peak • Ideal for printed circuit board • Plastic material has Underwriters Laboratory Flammability Classification 94V-O • Glass passivated chip junction Mechanical data • Case Molded plastic, DB-S • Terminals: Leads solderable per MIL-STD-202, method 208 guaranteed • Mounting position: Any Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Symbols DB DB DB DB DB DB DB 151S 152S 153S 154S 155S 156S 157S Maximum recurrent peak reverse voltage VRRM 50 100 200 400 600 800 Maximum RMS voltage VRMS Maximum DC blocking voltage VDC 35 70 140 280 420 50 100 200 400 600 Units 1000 Volts 560 700 Volts 800 1000 Volts Maximum average forward rectified current O at TA = 40 C (Note 2) IO 1.5 Peak forward surge current 8.3ms single half-sine-wave superimposed on rated load (JEDEC method) IFSM 50 VF 1.1 Volts 5 µAmps 500 mAmps CJ 25 Pf Typical thermal resistance(Note 2) R0JA 40 ℃/w Typical thermal resistance(Note 2) R0JL 15 ℃/w TJ ,TSTG -55 to +150 ℃ Maximum forward voltage at 1.5A DC and 25℃ Maximum reverse current at rated DC blocking voltage @TA = 25℃ Amps Amps IR @TA =125 ℃ Typical junction capacitance(Note 1) Operating and storage temperature range NOTES: 1.Measured at 1 MHz and applied reverse voltage of 4.0 VDC. 2.Units mounted on P.C.B. with 0.5*0.5”(13*13mm) copper pads. SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 10/12/2003 DB151S THRU DB157S FIG.2-Maximum non-repetitive peak forward surge current per leg FIG.1-Derating curve output rectified current Average forward output current (A) 1.5 60 Peak forward surge current (A) 60Hz Resistive or Inductive Load 1.0 0.5 P.C.B.mounted on 0.51*0.51"(13*13mm) Copper pads TJ=150 C Single sine-wave (JEDEC method) 50 40 30 20 10 0 0 20 40 60 80 100 120 140 160 1 100 10 Number of cycles at 60 Hz Ambient Temperature( c) F ig.3-Typical forward characteristics per leg 100 (μA) Instantaneous reverse current Instantaneous forward current(A) 10 Fig.4-Typical reverse leakage characteristics per leg 1 0.1 TJ=25 C Pulse width=300 s 1% duty cycle 0.01 0.4 0.6 0.8 1.0 1.2 1.4 10 1 0.1 TJ=50 C 0.01 0 40 60 80 100 c/W) Transient thermal impedance( Fig.6-Typical transient thermal impedance 100 Junction capacitance(pF) 20 Percent of rated peak reverse voltage(v) Instantaneous forward voltage(v) Fig.5-Typical junction capacitance per leg TJ=125 C TJ=25 C f=1.0MHz Vsig=50mVp-p 10 100 10 1 0.1 0.01 1 1 10 0.1 1 10 100 Reverse voltage(v) t,Heating time(sec) SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 10/12/2003 100