SIYU R 20SQ020......20SQ060 塑封肖特基二极管 PLASTIC SCHOTTKY BARRIER RECTIFIER 特征 Features R-6 ·大电流承受能力。High Current Capability ·正向压降低。Low Forward Voltage Drop 1.0(25.4) MIN ·高温焊接保证 High temperature soldering guaranteed: .052(1.3) DIA .048(1.2) 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 .360(9.1) .340(8.6) ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard .360(9.1) DIA .340(8.6) 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） 极限值和电参数 TA = 25℃ 除非另有规定。 Maximum Ratings & Electrical Characteristics 符号 20SQ020 20SQ040 20SQ050 20SQ060 单位 VRRM 20 40 50 60 V VR(RMS) 14 28 35 42 V VDC 20 40 50 60 V Symbols 最大峰值反向电压 Maximum repetitive peak reverse voltage 最大反向有效值电压 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 最大正向电压降 IF = 20A Maximum forward voltage 正向峰值浪涌电流 10mS单一正弦半波 Peak forward surge current 8.3 ms single half sine-wave 最大反向漏电流 Maximum reverse current 典型热阻 典型结电容 TA = 25℃ TA = 100℃ Typical thermal resistance VR = 4.0V, f = 1.0MHz Type junction capacitance 结温 Junction tempeature Range In DC forward mode VR≤80%VRRM 工作温度和存储温度 Operating junction and storage temperature range Ratings at 25℃ ambient temperature unless otherwise specified. VF A 20 IFM 0.50 0.70 0.50 Unit 0.70 V IFSM 280 A IR 0.50 50 mA RθJC 3.5 ℃/W Cj 450 pF Tj -55 --- +200 -55 --- +150 ℃ TSTG -55 --- +150 ℃ 大昌电子 DACHANG ELECTRONICS SIYU R 20SQ020......20SQ060 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 100 20SQ020 20SQ040 10 20SQ050 20SQ060 Tj = 25 °C 1 0.1 0.2 0.3 0.4 0.5 正向电压 0.6 0.7 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) 10mm 10mm 24 20 16 12 DC forward 8 VR ≤80%VRRM 4 0 0 25 50 75 100 125 150 175 200 VF(V) VF Instantaneous Forward Voltage (V) 管体温度 Tc(°C) Case temperature (°C) 浪涌特性曲线（最大值） MAXIMUM NON REPETITIVE PEAK FORWARD SURGE CURRENT IFSM Peak Forward Surge Current (A) 峰值正向浪涌电流 IFSM(A) 375 300 225 150 75 0 1 2 4 6 10 20 40 100 通过电流的周期 Number of Cycles at 50 Hz. 大昌电子 DACHANG ELECTRONICS