SIYU R D20SB20......D20SB80 Single-phase Silicon Bridge Rectifier 塑封硅整流桥堆 反向电压 200---800V 正向电流 20 A Reverse Voltage 200 to 800V Forward Current 20A 特征 Features D5 4.8 4.4 3.8 3.4 3.0*45 0 ·浪涌承受能力：300 A ￠3.4 ￠3.1 ~ ~ 2.9 2.5 4.2 3.8 2.4 2.0 1.1 0.9 High forward surge capability Surge overload rating: 300 Amperes peak ·引线和管体皆符合RoHS标准 。 Lead and body according with RoHS standard 20.3 19.7 4.8 + 机械数据 Mechanical Data 18.0 17.0 2.7 2.3 Low reverse leakage ·正向浪涌承受能力较强 11.2 10.8 30.3 29.7 ·反向漏电流低 0.7 0.6 ·封装: 塑料封装 Case: Molded Plastic 7.7 7.3 10.2 9.8 7.7 7.3 ·极性: 标记模压或印于本体 Polarity: Symbols molded or marked on body ·安装位置: 任意 Unit：mm Mounting Position: Any ·安装扭距: 推荐值 0.5牛*米 Mounting torque：Recommend 0.5 N*m 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. 符号 Symbols D20SB20 D20SB40 D20SB60 D20SB80 单位 Unit 最大可重复峰值反向电压 Maximum repetitive peak reverse voltage VRRM 200 400 600 800 V 最大均方根电压 Maximum RMS voltage VRMS 140 280 420 560 V 最大直流阻断电压 Maximum DC blocking voltage VDC 200 400 600 800 V TC =100℃ 最大正向平均整流电流 Maximum average forward rectified current IF(AV) 20 A IFSM 300 A RθJA 22 ℃/W Tj, TSTG -55--- +150 ℃ 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 Typical 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 最大正向电压 IF =10A Maximum forward voltage 最大反向电流 Maximum reverse current 典型结电容 VR = 4.0V, f = 1MHz Type junction capacitance TA= 25℃ TA = 125℃ D20SB20 D20SB40 D20SB60 D20SB80 单位 Unit VF 1.1 V IR 10 500 μA Cj 40 pF 大昌电子 DACHANG ELECTRONICS SIYU R D20SB20......D20SB80 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 20 IF(AV) (A) 10 平均正向电流 Tl=25℃ Pulse measurement per diode 1 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.2 1.4 IF(A) Average Forward Rectified Current (A) 正向电流 IF(A) IF Instantaneous Forward Current (A) heatsink + ~ ~ - Tc 15 sine wave R-load with heatsink 10 5 00 40 80 120 160 管体温度 Tc(°C) 正向电压 VF(V) Tc. Case temperature (°C) VF Instantaneous Forward Voltage (V) 浪涌特性曲线（最大值） MAXIMUM NON REPETITIVE PEAK FORWARD SURGE CURRENT 峰值正向浪涌电流 IFSM(A) IFSM Peak Forward Surge Current (A) IFSM 300 250 8.3 mS 8.3mS 1 Cycle non-repetitive Tj=25℃ before 200 150 100 50 0 0 2 5 10 20 50 100 通过电流的周期 Number of Cycles at 60 Hz. 大昌电子 DACHANG ELECTRONICS