SIYU R FR309 阻尼二极管 Damper Diodes 反向电压 1400 V 正向电流 3.0 A Reverse voltage1400V Forward current 3.0A 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 .375(9.5) .335(8.5) .220(5.6) 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 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 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 ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard .052(1.3) DIA .048(1.2) 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. FR309 单位 Unit VRRM 1400 V VRMS 980 V VDC 1400 V IF(AV) 3.0 A IFSM 150 A Rthj-a 20 ℃/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 IF = 3.0A VF TA= 25℃ TA= 100℃ IR IF=0.5A IR=1.0A IRR=0.25A MAX. Reverse Recovery Time 典型结电容 Type junction capacitance VR = 4.0V, f = 1MHz FR309 1.3 10 200 单位 Unit V μA trr 300 nS Cj 60 pF 大昌电子 DACHANG ELECTRONICS SIYU R FR309 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 10mm 平均正向电流 IF(AV) (A) IF(A) Average Forward Rectified Current (A) IF Instantaneous Forward Current (A) 正向电流 IF(A) 10 2 1 0.2 Tj = 25 °C 0.1 0.01 0.6 0.8 1 1.2 1.4 1.6 正向电压 VF(V) VF Instantaneous Forward Voltage (V) 10mm 3.0 2.5 2.0 1.5 1.0 0.5 0 0 25 50 75 100 125 150 175 环境温度 Ta(°C) Tamb, ambient temperature (°C) IFSM Peak Forward Surge Current (A) 峰值正向浪涌电流 IFSM(A) 浪涌特性曲线（最大值） MAXIMUM NON REPETITIVE PEAK FORWARD SURGE CURRENT 200 150 100 50 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