SMD Efficient Fast Recovery Rectifier COMCHIP www.comchip.com.tw CEFC301 Thru CEFC305 Reverse Voltage: 50 - 600 Volts Forward Current: 3.0 Amp Features Ideal for surface mount applications Easy pick and place Plastic package has Underwriters Lab. flammability classification 94V-0 Super fast recovery time for high efficient Built-in strain relief Low forward voltage drop SMC/DO-214AB 0.124(3.15) 0.108(2.75) 0.245(6.22) 0.220(5.59) 0.280(7.11) 0.260(6.60) 0.012(0.31) 0.006(0.15) Mechanical Data 0.103(2.62) 0.079(2.00) Case: JEDEC DO-214AB molded plastic Terminals: solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting position: Any Approx. Weight:0.21 gram 0.050(1.27) 0.030(0.76) 0.320(8.13) 0.305(7.75) 0.008(0.20) 0.0203(0.10) Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characterics Parameter Symbol CEFC 301 CEFC 302 CEFC 303 CEFC 304 CEFC 305 Unit Max. Repetitive Peak Reverse Voltage V RRM 50 100 200 400 600 V Max. DC Blocking Voltage V DC 50 100 200 400 600 V V RMS 35 70 140 280 420 V Max. RMS Voltage Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load ( JEDEC method ) I FSM Max. Average Forward Current Io Max. Instantaneous Forward Current at 3.0 A VF Reverse recovery time Trr Max. DC Reverse Current at Rated DC Blocking Voltage Ta=25 C Ta=100 C IR 3.0 0.875 25 A 1.1 1.25 35 50 V nS 5.0 250 uA 13 C/W C Max. Thermal Resistance (Note 1) R Operating Junction Temperature Tj -55 to +150 Storage Temperature T STG -55 to +150 JL A 75 C Note 1: Thermal resistance from junction to lead P.C.B. Mounted on 8.0x8.0 mm copper pad areas. MDS0210024A Page 1 SMD Efficient Fast Recovery Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CEFC301 Thru CEFC305) Fig.2 - Forward Characteristics Fig. 1 - Reverse Characteristics 100 10 CEFC304 10 Tj=125 C 1.0 Tj=75 C Forward current ( A ) Reverse Current ( uA ) CEFC301-303 1.0 0.1 CEFC305 0.01 0.1 Tj=25 C Pulse width 300uS 4% duty cycle Tj=25 C 0. 01 0 0.001 20 40 60 80 100 120 140 0 0.2 0.4 Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig. 3 - Junction Capacitance Fig. 4 - Non Repetitive Forward Surge Current 100 Peak Surge Forward Current ( A ) 200 Junction Capacitance (pF) 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 100 Tj=25 C 10 8.3mS Single Half Sine Wave JEDEC methode 80 60 Tj=25 C 40 20 0 2.0 0.1 1.0 10 100 1 Reverse Voltage (V) 5 10 50 1 00 Number of Cycles at 60Hz Fig. 5 - Test Circuit Diagram and Reverse Recovery Time Characteristics Fig. 6 - Current Derating Curve 3.5 trr 10W NONINDUCTIVE | | | | | | | | +0.5A ( ) (+) 25Vdc (approx.) D.U.T. PULSE GENERATOR (NOTE 2) ( ) 1W NONINDUCTIVE Average Forward Current ( A ) 50W NONINDUCTIVE 0 -0.25A (+) OSCILLISCOPE (NOTE 1) NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. -1.0A 3.0 2.5 2.0 1.5 1.0 Single Phase Half Wave 60Hz 0.5 00 25 50 75 100 125 150 175 1cm SET TIME BASE FOR Ambient Temperature ( C) 50 / 10ns / cm MDS0210024A Page 2