Super Fast Rectifiers SF51-G Thru. SF58-G Reverse Voltage: 50 to 600 Volts Forward Current: 5.0 Amp RoHS Device Features DO-27 -Supper fast switching time for high efficiency. -Low forward voltage drop. 0.052(1.30) DIA. 0.048(1.20) -High current capability. 1.0(25.4) min. -Low reverse leakage current. -Plastic material has UL flammability classification 94V-0 Mechanical data 0.375(9.50) 0.335(8.50) -Case: Molded plastic, JEDEC DO-27 molded plastic. -Terminals: Solderable per MIL-STD-750, method 2026. 0.220(5.60) DIA. 0.197(5.00) -Polarity: Color band denotes cathode. -Mounting position: Any. 1.0(25.4) min. -Weight: 1.1 grams approx. Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load derate current by 20%. Symbol SF51-G Parameter SF52-G SF53-G SF54-G SF55-G SF56-G SF58-G Unit Max. repetitive peak reverse voltage VRRM 50 100 150 200 300 400 600 V Max. DC blocking voltage VDC 50 100 150 200 300 400 600 V Max. RMS voltage VRMS 35 70 105 140 210 280 420 V Max. averaged forward rectified current @TA=55°C IO 5.0 A Forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 150 A Peak forward voltage at IF=4.0A DC VF 0.95 1.25 1.30 V Max. Reverse recovery time (Note 1) Trr 35 40 50 nS Typical Junction capacitance (Note 2) CJ 90 Max. DC reverse current @TJ=25°C at rated DC bolcking voltage @TJ=100°C Typical. thermal resistance (Note 3) Operating junction temperature Storage temperature range 75 pF IR 5.0 IR 100 RθJA 10 °C/W TJ -55 to +125 °C TSTG -55 to +150 °C μA Note 1. Measured with IF=0.5A, IR=1A, IRR=0.25A 2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 3. Thermal resistance junction to ambient. Company reserves the right to improve product design , functions and reliability without notice. REV: A QW-BS007 Page 1 Comchip Technology CO., LTD. Super Fast Rectifiers Rating and Characteristic Curves ( SF51-G Thru. SF58-G ) Fig.2- Max. Non-Repetitive Surge Current Fig.1- Forward Current Derating Curve 6.0 200 SINGLE PHASE HALF WAVE 60Hz Peak Forward Surge Current, (A) Average Forward Current, (A) RESISTIVE OR INDUCTIVE LOAD 5.0 4.0 3.0 2.0 1.0 0 25 50 75 100 125 150 150 100 50 PULSE WIDTH 8.3mS SINGLE HALF-SING WAVE (JEDEC METHOD) 0 175 10 1 Ambient Temperature, (°C) Number of Cycles at 60Hz Fig.4- Typical Forward Characteristics Fig.3-Typical Junction Capacitance 100 SF55-G~SF58-G 10 TJ=25°C, F=1MHz 1 1 10 100 Instantaneous Forward Current, (A) 100 SF51-G~SF54-G Capacitance, (pF) 100 SF51-G~SF54-G 10 SF58-G SF55-G~SF56-G 1.0 O TJ=25 C PULSE WIDTH 300us 0.1 0 Reverse Voltage, (V) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 Instantaneous Forward Voltage , (V) REV: A Page 2 QW-BS007 Comchip Technology CO., LTD. Super Fast Rectifiers Taping Specification For Axial Lead Diodes ( Ammo Packaging) E 90℃±5℃ Z A L1 B L2 T E SYMBOL A B Z T E L1-L2 (mm) 10.0 ± 0.5 52.4 ± 0.5 1.2 (max) 6.0 ± 0.4 0.8 (max) 1.0 (max) (inch) 0.197 ± 0.020 2.047 ± 0.020 0.048 (max) 0.236 ± 0.016 0.032(max) 0.040 (max) DO-27 SYMBOL Box Length Box Width Box Height (mm) 255.0 ± 5.0 78.0 ± 5.0 78.0 ± 5.0 (inch) 10.04 ± 0.197 3.071 ± 0.197 3.071 ± 0.197 DO-27 L D2 D1 D H W1 W ( Reel Packaging) DO-27 SYMBOL D D1 D2 W1 (mm) 330.000 85.7 ± 0.3 16.6 ± 0.4 79.0 ± 1.0 (inch) 13.000 3.375 ± 0.012 0.654 ± 0.016 3.110 ± 0.039 REV: A Page 3 QW-BS007 Comchip Technology CO., LTD. Super Fast Rectifiers Marking Code Part Number Marking code Packaging SF51T-G SF52T-G SF53T-G SF54T-G SF55T-G SF56T-G SF58T-G SF51A-G SF52A-G SF53A-G SF54A-G SF55A-G SF56A-G SF58A-G SF51B-G SF52B-G SF53B-G SF54B-G SF55B-G SF56B-G SF58B-G SF51 SF52 SF53 SF54 SF55 SF56 SF58 SF51 SF52 SF53 SF54 SF55 SF56 SF58 SF51 SF52 SF53 SF54 SF55 SF56 SF58 REEL REEL REEL REEL REEL REEL REEL AMMO AMMO AMMO AMMO AMMO AMMO AMMO BULK BULK BULK BULK BULK BULK BULK SFXX SFXX = Product type marking code Note: 1) Suffix code after part number to specify packaging item . Packaging Code REEL PACK AMMO PACK BULK PACK T P B Standard Packaging REEL PACK Case Type DO-27 BULK PACK BOX CARTON ( pcs ) ( pcs ) 1,200 4,800 Case Type DO-27 BOX CARTON ( pcs ) ( pcs ) 500 12,000 AMMO PACK Case Type DO-27 BOX CARTON ( pcs ) ( pcs ) 1,200 12,000 REV: A Page 4 QW-BS007 Comchip Technology CO., LTD.