LESHAN RADIO COMPANY, LTD. 500 mW LL-34 Hermetically Sealed Glass Fast Switching Diodes LL4148/LL4448 Pb-Free package is available SURFACE MOUNT LL34 规格特征 Specification Features: - 开关速度快 Fast Switching Device (TRR<4.0nS) - 玻璃密封封装 Hermetically Sealed Glass - 色环端为负极 1st Band indicates negative polarity or Cathode Band Anode Cathode 极限值和温度特性Absolute Maximum Ratings & Thermal Characteristics (TA=25℃) 参数 符号 Parameter Symbols LL4148 LL4448 100 VRM 不重复反向峰值电压 Non-repetitive Peak Reverse Voltage 75 VRRM 反向峰值电压 Peak repetitive Reverse Voltage I 300 500 FM 最大正向平均电流 Forward Continuous Current O 150 I 平均整流输出电流 Average Rectified Output Current 2 IFM 正向(不重复)浪涌电流 Non-repetitive Peak Forward Surge Current PD 500 功率消耗 Power Dissipation TJ, TSTG -55 - +175 工作结温和存储温度 Operating junction and storage Temperature Range 电特性Electrical Characteristics (TA=25℃) 参数 符号 Parameter Symbols Breakdown Voltage BV 反向击穿电压 Reverse Leakage Current IR 反向漏电电流 Forward Voltage LL4448 VF 正向电压 LL4148 LL4448 Reverse Recovery Time TRR 反向恢复时间 C Capacitance 结电容 测试条件 Test Condition IR=100uA IR=5uA VR=20V VR=75 I F=5mA IF=10mA I F=100mA IF= 10mA, IR=1.0mA RL=100Ω IRR=1mA VR=0V, f=1MHZ 界限Limits Min Max 100 75 --25 --5 0.62 0.72 --1 --1 单位 Unit V V mA mA A mW ℃ 单位 Unit V nA uA V --- 4 nS --- 4 pF 1/4 LESHAN RADIO COMPANY, LTD. LL4148/LL4448 2/4 LESHAN RADIO COMPANY, LTD. LL4148/LL4448 3/4 LESHAN RADIO COMPANY, LTD. LL4148/LL4448 Package LL-34 LL-34 DIM Millimeters Inches Min Max Min Max A 3.302 3.505 0.130 0.138 B 1.39 1.54 0.054 0.060 C 0.350 0.500 0.014 0.020 Notes: 1. 2. LL34 polarity denoted by a band. ‘Expansion Gap’ has no relation to the location of polarity. 4/4