US2B

SIYU R 表面安装高效率整流二极管 反向电压 50 --- 1000 V 正向电流 2.0 A 特征 Features SMB US2A ...... US2M Surface Mounted High-efficiency Rectifier Reverse Voltage 50 --- 1000 V Forward Current 2.0 A ·反向漏电流低 Low reverse leakage .155(3.94) .130(3.30) .083(2.11) .075(1.91) ·正向浪涌承受能力较强 High forward surge capability ·高温焊接保证 High temperature soldering guaranteed: 260℃/10 秒 seconds at terminals ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard .185(4.70) .160(4.06) .012(0.305) .006(0.152) .096(2.44) .083(2.13) 机械数据 Mechanical Data .008(0.203) .002(0.051) .220(5.59) .200(5.08) .050(1.27) .030(0.76) Unit：inch（mm） ·封装: 塑料封装 Case: Molded plastic body ·端子: 焊料被镀 Terminals: Solder plated ·极性: 色环端为负极 Polarity: Color band denotes cathode end ·安装位置: 任意 Mounting Position: Any 极限值和温度特性 TA = 25℃ 除非另有规定。 Maximum Ratings & Thermal Characteristics 符号 Ratings at 25℃ ambient temperature unless otherwise specified. Symbols US2A US2B US2D US2G US2J US2K US2M 最大可重复峰值反向电压 Maximum repetitive peak reverse voltage 单位 Unit V V V A A ℃/W VRRM VRMS VDC IF(AV) IFSM RθJA Tj, TSTG 50 35 50 100 70 100 200 140 200 400 280 400 2.0 50 50 600 420 600 800 560 800 1000 700 1000 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 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 US2A US2B US2D US2G US2J 1.0 1.3 10 500 50 15 US2K US2M 1.7 单位 Unit V μA IF =2.0A TA= 25℃ TA= 125℃ IF=0.5A IR=1.0A IRR=0.25A VF IR trr Cj 最大反向电流 Maximum reverse current 最大反向恢复时间 MAX. Reverse Recovery Time 75 nS pF 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） TYPICAL FORWARD CHARACTERISTIC US2A ...... US2M 正向电流降额曲线 FORWARD CURRENT DERATING CURVE 10 平均正向电流 IF(AV) (A) Average Forward Rectified Current (A) IF(A) IF Instantaneous Forward Current (A) 2.4 2.0 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) 2 1 US2A thru US2D 正向电流 IF(A) 0.2 0.1 US2G US2J thru US2M 0.01 0.8 Tj = 25 °C 1.0 1.2 正向电压 1.4 VF(V) 1.6 1.8 VF Instantaneous Forward Voltage (V) 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 20 40 100 通过电流的周期 Number of Cycles at 60 Hz. 大昌电子 DACHANG ELECTRONICS