CE BY127,BY133,EM513,EM516 CHENYI ELECTRONICS GENERAL PURPOSE PLASTIC RECTIFIER Reverse Voltage - 1250 to 1800 Volts Forward Current - 1.0Ampere FEATURES . The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 . Construction utilizes void-free molded plastic technique . Low reverse leakage . Low forward voltage drop . High forward surge current capability . High current capability . High reliability MECHANICAL DATA . Case: JEDEC DO-41 molded plastic body . Terminals: lead solderable per MIL-STD-750,method 2026 . Polarity: Color band denotes cathode end . Mounting Position: Any . Weight: 0.012 ounce, 0.33 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 ambient temperature unless otherwise specified,Single phase,half wave 60Hz,resistive or inductive) load. For capacitive load,derate by 20%) Symbols BY127 BY133 EM513 EM516 Units Maximum repetitive peak reverse voltage VRRM 1250 1300 1600 1800 Volts Maximum RMS voltage VRMS 875 930 1120 1270 Volts VDC 1250 1300 1600 1800 Volts Maximum DC blocking voltage Macimum average forward rectified I(AV) 1.0 Amp IFSM 30.0 Amps VF 1.1 Volts current 0.375"(9.5mm)lead length at TA=75 Peak forward surge current 8.3ms sing-wave superimposed on rated load (JEDEC method)TA=75 Maximum instantaneous forward voltage at 1.0 A Maximum reverse TA=25 current at rated DC blocking voltage TA=100 5.0 IR R R Typeical thermal resistance(Note 2) A 200.0 JA 50.0 JL 25.0 CJ Typical junction Capacitance(Note 1) Operating and storage temperature range TJ /W 15.0 pF -50 to +150 TSTG Notes: 1. Measured at 1MHz and applied reverse voltage of 4.0V DC 2.Thermal resistance from juntion to ambient and from junction lead at 0.375"(9.5mm)lead length, P.C.B. Mounted Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 CE BY127,BY133,EM513,EM516 CHENYI ELECTRONICS GENERAL PURPOSE PLASTIC RECTIFIER Reverse Voltage - 1250 to 1800 Volts Forward Current - 1.0Ampere RATINGS AND CHARACTERISTIC CURVES BY127,BY133,EM513,EM516 FIG.2-TYPICAL INSTANTANEOUS FORWARD FLG.1-FORWARD CURRENT DERATING CURVE CHARACTERISTICS FIG.3-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.5-TYPICAL JUNCTION CAPACITANCE Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2