SF21

SIYU R 塑封高效率整流二极管 反向电压 50 ---600V 正向电流 2.0 A DO-15 SF21 ...... SF28 Plastic High-Efficiency Rectifiers Reverse Voltage 50 to 600V Forward Current 2.0A 特征 Features ·反向漏电流低 Low reverse leakage ·正向浪涌承受能力较强 High forward surge capability .034(0.9) DIA .028(0.7) 1.0(25.4) MIN .300(7.6) .230(5.8) .140(3.6) DIA .104(2.6) 1.0(25.4) MIN ·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 ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard 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 Symbols 最大可重复峰值反向电压 Maximum repetitive peak reverse voltage Ratings at 25℃ ambient temperature unless otherwise specified. SF22 SF23 SF24 SF25 SF26 SF28 SF21 单位 Unit V V V A A ℃/W VRRM 50 35 50 100 70 100 150 105 150 200 140 200 2.0 50 45 300 210 300 400 280 400 600 420 600 最大均方根电压 Maximum RMS voltage VRMS VDC IF(AV) IFSM RθJA Tj, TSTG 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 典型热阻 Typical thermal resistance 工作结温和存储温度 Operating junction and storage temperature range -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 SF21 SF22 SF23 SF24 SF25 SF26 SF28 单位 Unit V μA nS pF IF = 2.0A TA= 25℃ TA= 100℃ IF=0.5A IR=1.0A IRR=0.25A VF IR trr Cj 0.95 5.0 100 1.3 1.7 最大反向电流 Maximum reverse current 最大反向恢复时间 MAX. Reverse Recovery Time 35 22 典型结电容 Type junction capacitance VR = 4.0V, f = 1MHz 大昌电子 DACHANG ELECTRONICS SIYU R 特性曲线 Characteristic Curves 正向特性曲线（典型值） SF21 ...... SF28 正向电流降额曲线 10 IF Instantaneous Forward Current (A) TYPICAL FORWARD CHARACTERISTIC 2.8 平均正向电流 IF(AV) (A) Average Forward Rectified Current (A) FORWARD CURRENT DERATING CURVE 10mm 10mm SF21 Thru SF24 2 1 SF25 SF26 SF28 2.4 2 1.6 1.2 0.8 0.4 0 0 25 50 75 100 125 150 175 环境温度 Ta(°C) Tamb, ambient temperature (°C) 正向电流 IF(A) 0.2 Tj = 25 °C 0.1 0.6 正向电压 VF(V) VF Instantaneous Forward Voltage (V) 0.8 1 1.2 1.4 1.6 浪涌特性曲线（最大值） MAXIMUM NON REPETITIVE PEAK FORWARD SURGE CURRENT 50 IFSM Peak Forward Surge Current (A) 40 峰值正向浪涌电流 IFSM(A) 30 20 10 0 1 2 4 6 10 通过电流的周期 20 40 100 Number of Cycles at 60 Hz. 大昌电子 DACHANG ELECTRONICS IF(A) 0.01