RL257G

SIYU R 普通塑封整流二极管 反向电压 50 --- 1000 V 正向电流 2.5 A 特征 Features DO-15L RL251G ...... RL257G General Purpose Plastic Rectifier Reverse Voltage 50 to 1000 V Forward Current 2.5 A ·玻璃钝化芯片 Glass Passivated chip ·反向漏电流低 Low reverse leakage ·正向浪涌承受能力较强 High forward surge capability 0.8±0.1 25.4 MIN 7.5±0.2 4.0±0.2 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 Unit：mm ·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 极限值和温度特性 TA = 25℃ 除非另有规定。 Maximum Ratings & Thermal Characteristics Ratings at 25℃ ambient temperature unless otherwise specified. 符号 Symbols 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 RL251G RL252G RL253G RL254G RL255G RL256G RL257G 单位 Unit V V V A A ℃/W 50 35 50 100 70 100 200 140 200 400 280 400 2.5 80 600 420 600 800 560 800 1000 700 1000 VRRM VRMS VDC IF(AV) IFSM RθJA Tj, TSTG 典型热阻 Typical thermal resistance 15 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 RL251G RL252G RL253G RL254G RL255G RL256G RL257G 单位 Unit V μA IF = 2.5A TA= 25℃ TA=100℃ VF 1.1 5.0 50 40 最大反向电流 Maximum reverse current 典型结电容 VR = 4.0V, f = 1MHz Type junction capacitance IR Cj pF 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 RL251G ...... RL257G 正向电流降额曲线 FORWARD CURRENT DERATING CURVE 10 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) 3.0 10mm 10mm 2.5 2.0 1.5 1.0 0.5 0 0 25 50 75 100 125 150 175 2 1 0.2 0.1 Tj = 25 °C 0.01 0.6 0.8 1.0 1.2 1.4 1.6 正向电压 VF(V) VF Instantaneous Forward Voltage (V) 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 100 IFSM Peak Forward Surge Current (A) 峰值正向浪涌电流 IFSM(A) 80 60 40 20 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