CE SRF820 THRU SRF8A0(SINGLE CHIP) CHENYI ELECTRONICS SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 100 Volts Forward Current - 8.0Amperes FEATURES . Plastic package has Underwriters Laboratory Flammability Classification 94V-0 . Metal sliicon junction ,majority carriet conduction . Guard ring for overcoltage protection . Low power loss,high efficiency . High current capability ,Low forward voltage drop . Single rectifier construction . High surge capability . For use in low voltage ,high frequency inverters, free wheeling , and polarilty protection applications . High temperature soldering guaranteed: 250 /10 seconds 0.25"(6.35mm)from case MECHANICAL DATA . Case: JEDEC DO-220AC molded plastic body . Terminals: lead solderable per MIL-STD-750,method 2026 . Polarity: As marked . Mounting Position: Any . Weight: 0.08 ounce, 2.24 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 ambient temperature unless otherwise specified,Single phase,half wave,resistive or inductive) load. For capacitive load,derate by 20%) Symbols SRF820 SRF830 SRF840 SRF850 SRF860 SRF880SRF8A0 Units Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 80 100 Volts Maximum RMS voltage VRMS 14 21 28 35 42 57 71 Volts VDC 20 30 40 50 60 80 100 Volts Maximum DC blocking voltage Macimum average forward rectified I(AV) 8.0 Amps IFRM 16.0 Amps IFSM 150.0 Amps current(see Fig.1) Repetitive peak forward current(square wavr, 20KHz) at Tc=105 Peak forward surge current 8.3ms singel half sine-wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 7.5 A(Note 1) Maximum instantaneous reverse TJ storage temperature range Notes: 1. Pulse test: 300 TSTG s 0.85 Volts mA 15 R Operating junction temperature range 0.8 IR TA=125 Typeical thermal resistance(Note 2) 0.75 1.0 TA=25 current at rated DC blocking voltage(Note 1) 0.65 VF 50 5.0 JC -65 to +125 /W -65 to +150 -65 to +150 pulse width,1% duty cycle 2.Thermal resistance from juntion to case Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 2 CE SRF820 THRU SRF8A0(SINGLE CHIP) CHENYI ELECTRONICS SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 100 Volts Forward Current - 8.0Amperes RATINGS AND CHARACTERISTIC CURVES SRF820 THRU SRF8A0(SINGLE CHIP) FIG.2-TYPICAL INSTANTANEOUS FORWARD FLG.1-FORWARD CURRENT DERATING CURVE CHARACTERISTICS FIG.4-TYPICAL JUNCTION CAPACITANCE FIG.3-TYPICAL REVERSE CHARACTERISTICS FIG.5-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 2