SIYU R SF51...... SF58 塑封超快速整流二极管 Plastic Super Fast Recover Rectifier Reverse Voltage 50 to 600V Forward Current 5.0A 反向电压 50 ---600V 正向电流 5.0 A 特征 Features DO-27 ·反向漏电流低 Low reverse leakage ·正向浪涌承受能力较强 1.0(25.4) MIN .052(1.3) DIA .048(1.2) .375(9.5) .335(8.5) .220(5.6) ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard DIA .197(5.0) 1.0(25.4) MIN 机械数据 Mechanical Data ·端子: 镀锡轴向引线 Terminals: Plated axial leads ·极性: 色环端为负极 Polarity: Color band denotes cathode end ·安装位置: 任意 Mounting Position: Any Unit：inch（mm） 极限值和温度特性 TA = 25℃ 除非另有规定。 Maximum Ratings & Thermal Characteristics 符号 最大可重复峰值反向电压 Maximum repetitive peak reverse voltage 最大均方根电压 Maximum RMS voltage 最大直流阻断电压 Maximum DC blocking voltage 最大正向平均整流电流 Maximum average forward rectified current 峰值正向浪涌电流 8.3ms单一正弦半波 Peak forward surge current 8.3 ms single half sine-wave Typical thermal resistance 工作结温和存储温度 Operating junction and storage temperature range Ratings at 25℃ ambient temperature unless otherwise specified. 单位 SF51 SF52 SF53 SF54 SF55 SF56 SF58 VRRM 50 100 150 200 300 400 600 V VRMS 35 70 105 140 210 280 420 V VDC 50 100 150 200 300 400 600 V Symbols 典型热阻 High forward surge capability ·高温焊接保证 High temperature soldering guaranteed: 260℃/10 秒, 0.375" (9.5mm)引线长度。 260℃/10 seconds, 0.375" (9.5mm) lead length, ·引线可承受5 磅 (2.3kg) 拉力。 5 lbs. (2.3kg) tension Unit IF(AV) 5.0 A IFSM 150 A RθJA 15 ℃/W Tj, TSTG -55 --- +150 ℃ 电特性 TA = 25℃ 除非另有规定。 Electrical Characteristics Ratings at 25℃ ambient temperature unless otherwise specified. 符号 Symbols 最大正向电压 Maximum forward voltage 最大反向电流 Maximum reverse current 最大反向恢复时间 Type junction capacitance SF52 SF53 SF54 SF55 SF56 SF58 单位 Unit IF = 5.0A VF TA= 25℃ TA=100℃ IR 10 150 μA trr 35 nS Cj 95 pF IF=0.5A IR=1.0A IRR=0.25A MAX. Reverse Recovery Time 典型结电容 SF51 VR = 4.0V, f = 1MHz 0.95 1.3 1.7 V 大昌电子 DACHANG ELECTRONICS SIYU R SF51 ...... SF58 特性曲线 Characteristic Curves 正向特性曲线（典型值） 正向电流降额曲线 TYPICAL FORWARD CHARACTERISTIC FORWARD CURRENT DERATING CURVE 7.0 10 SF51 thru SF54 平均正向电流 IF(AV) (A) IF(A) Average Forward Rectified Current (A) 正向电流 IF(A) IF Instantaneous Forward Current (A) 10mm SF58 2 SF55 SF56 1 0.2 Tj = 25 °C 0.1 0.01 0.8 0.6 1 1.2 1.4 1.6 正向电压 VF(V) VF Instantaneous Forward Voltage (V) 10mm 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 环境温度 Ta(°C) Tamb, ambient temperature (°C) 浪涌特性曲线（最大值） MAXIMUM NON REPETITIVE PEAK FORWARD SURGE CURRENT 峰值正向浪涌电流 IFSM(A) IFSM Peak Forward Surge Current (A) 150 120 90 60 30 0 1 2 4 6 10 20 40 100 通过电流的周期 Number of Cycles at 60 Hz. 大昌电子 DACHANG ELECTRONICS