1N4148

SIYU R DO-34 Glass DO-35 Glass 1N4148 开关二极管 Switching Diodes 特征 Features ·反向漏电流小。Low reverse leakage ·开关速度快。Fast switching speed ·最大功率耗散500mW。Maximum power dissipation 500mW ·高稳定性和可靠性。High stability and high reliability ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard 机械数据 Mechanical Data 封装: 玻璃封装 Unit：mm Unit：mm Case: Glass Case 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 Symbols Ratings at 25℃ ambient temperature unless otherwise specified. 1N4148 单位 Unit 不重复峰值反向电压 Non-repetitive Peak Reverse Voltage VRM VRRM IFM IO IFSM Pd RθJA Tj, TSTG 100 75 300 150 2.0 500 300 -55 --- +150 V V mA mA A mW ℃/W ℃ 反向峰值电压 peak repetitive Reverse Voltage 最大正向平均电流 Forward Continuous Current 平均整流输出电流 Average Rectified Output Current 正向（不重复）浪涌电流 Non-Repetitive Peak Forward Surge Current 功率消耗 Power Dissipation 典型热阻 Type Thermal Resistance 工作结温和存储温度 Operating junction and storage temperature range 电特性 TA = 25℃ 除非另有规定。 Electrical Characteristics Ratings at 25℃ ambient temperature unless otherwise specified. 符号 Symbols 最小值 MIN. 最大值 MAX. 单位 Unit 测试条件 Test Condition 正向电压 Forward voltage VFM --- 1.0 5.0 50 30 25 4.0 4.0 V μA μA μA nA pF nS IF =10mA VR = 75V VR = 70V, Tj=150℃ VR = 20V, Tj=150℃ VR = 20V VR = 0, f = 1.0MHz IF = 10mA — IR = 1.0mA VR = 6.0V, RL =100Ω 反向电流 Reverse current IRM Cj trr ------- 结电容 Junction capacitance Reverse Recovery Time 反向恢复时间 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 1N4148 正向电流降额曲线 FORWARD CURRENT DERATING CURVE 1000 IF Instantaneous Forward Current (mA) 平均正向电流 IF(AV) (A) Average Forward Rectified Current (A) IF(A) 0.36 0.30 0.24 0.18 0.12 0.06 0 0 25 50 75 100 125 150 175 环境温度 Ta(°C) Tamb, ambient temperature (°C) 200 100 正向电流 IF(mA) 20 Tj = 25 °C 10 1 0.6 0.8 1 1.2 1.4 1.6 正向电压 VF(V) VF Instantaneous Forward Voltage (V) 大昌电子 DACHANG ELECTRONICS