SIYU R GBU8A ...... GBU8M Single-phase Silicon Bridge Rectifier 塑封硅整流桥堆 反向电压 50---1000V 正向电流 8 A Reverse Voltage 50 to 1000V Forward Current 8 A 特征 Features GBU Low reverse leakage ·反向漏电流低 High forward surge capability ·正向浪涌承受能力较强 ·浪涌承受能力：150A Surge overload rating: 150 Amperes peak ·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: 塑料封装 Case: Molded Plastic ·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：inch（mm） Mounting Position: Any ·安装扭距: 推荐值 0.3牛*米 Mounting torque：Recommend 0.3 N*m 极限值和温度特性 TA = 25℃ 除非另有规定。 Maximum Ratings & Thermal Characteristics 符号 Ratings at 25℃ ambient temperature unless otherwise specified. 单位 800 1000 V 420 560 700 V 600 800 1000 V GBU 8A GBU 8B 最大可重复峰值反向电压 Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 最大均方根电压 Maximum RMS voltage VRMS 35 70 140 280 最大直流阻断电压 Maximum DC blocking voltage VDC 50 100 200 400 TC =100℃ 最大正向平均整流电流 Maximum average forward rectified current IF(AV) 8 A IFSM 150 A RθJA 8.6 ℃/W 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 GBU GBU 8D 8G GBU 8M Symbols GBU GBU 8J 8K ℃ -55--- +150 Tj, TSTG Unit 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 = 4.0A 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℃ GBU 8A GBU 8B GBU GBU 8D 8G GBU GBU 8J 8K GBU 8M 单位 Unit VF 1.1 V IR 10 500 μA Cj 40 pF 大昌电子 DACHANG ELECTRONICS SIYU R GBU8A ...... GBU8M 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 10 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) IF(AV) (A) 8 平均正向电流 正向电流 IF(A) IF Instantaneous Forward Current (A) 100 6 4 2 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 180 150 8.3 mS 8.3mS 1 Cycle non-repetitive Tj=25℃ before 120 90 60 30 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