ÓÉ Foxit PDF Editor ±à¼- °æȨËùÓÐ (c) by Foxit Software Company, 2004 - 2007 深圳市杰鸿顺电子有限公司 ½öÓÃÓÚÆÀ¹À¡£ LL4148/LL4448 LL-34(Mini-melf)玻封开关二极管 LL-34(Mini-melf) Glass Switching Diode 特征 Features 开关速度小于 4.0nS; Fast Switching Device (TRR <4.0 nS) 最大功率耗散 500mW; Power Dissipation of 500mW 高稳定性和可靠性。High Stability and High Reliability 反向漏电流小。Low reverse leakage 机械数据 Mechanical Data 封装: LL-34 玻璃封装 Case: LL-34 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 (Ratings at 25℃ ambient temperature unless otherwise specified.) 参数 Parameters 符号Symbol 数值Value 单位Unit 反向电压 Reverse Voltage VR 75 V 反向峰值电压 Peak Reverse Voltage VRM 100 V 功率消耗 Power Dissipation Pd 500 mW 工作结温 Operating junction temperature Tj 175 ℃ 存储温度 Storage temperature range Ts -65-+200 ℃ 反向工作电压 Working Inverse Voltage WIV 75 V 平均整流电流 Average Rectified Current IO 150 mA 正向(不重复)电流 Non-repetitive Peak Forward Current IFM 450 mA 正向(不重复)浪涌电流 Peak Forward Surge Current @tp=1s; TA=25℃ IFSM 2.0 A Valid provided that electrodes are kept at ambient temperature. 电特性 Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified). 符号 参数 测试条件 Symbols Parameter Test Condition Min 反向击穿电压 IR=100uA 100 Breakdown Voltage IR=5uA 75 反向漏电电流 VR=20V --- 25 nA VR=75 --- 5 uA BV IR VF TRR Reverse Leakage Current 界限 Limits 单位 Max Unit V 正向电压 LL4448 IF=5mA 0.62 0.72 Forward Voltage LL4148 IF=10mA --- 1 LL4448 IF=100mA --- 1 --- 4 nS --- 4 pF 反向恢复时间 IF= 10mA, IR=1.0mA Reverse Recovery Time RL=100Ω V IRR=1mA 结电容 C Capacitance VR=0V, f=1MHZ SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® http://jhs-ic.hqew.com ÓÉ Foxit PDF Editor ±à¼- °æȨËùÓÐ (c) by Foxit Software Company, 2004 - 2007 深圳市杰鸿顺电子有限公司 ½öÓÃÓÚÆÀ¹À¡£ LL4148/LL4448 Forward characteristics Dynamic forward resistance versus forward current Admissible power dissipation versus ambient temperature Relative capacitance versus reverse voltage Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® http://jhs-ic.hqew.com ÓÉ Foxit PDF Editor ±à¼- °æȨËùÓÐ (c) by Foxit Software Company, 2004 - 2007 深圳市杰鸿顺电子有限公司 ½öÓÃÓÚÆÀ¹À¡£ LL4148/LL4448 Leakage current versus junction temperature Admissible repetitive peak forward current versus pulse duration Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® http://jhs-ic.hqew.com