SF21 THRU SF28 超快恢复二极管 Super Fast Rectifier ■特征 ■外形尺寸和印记 Outline Dimensions and Mark Features Io 2.0A ● VRRM 50V-600V ● 耐正向浪涌电流能力高 ●High surge current capability ● .300(7.60) .228(5.80) 1.0(25.4) MIN 1.0(25.4) MIN Applications 整流用 Rectifier ● .142(3.60) .035(0.90) .102(2.60) .028(0.70) DIA ■ 用途 DO-204AC(DO-15 ) Unit: in inches (millimeters) ■ 极限值(绝对最大额定值) ●Limiting Values (Absolute Maximum Rating) 参数名称 符号 Item 单位 Symbol Unit 反向重复峰值电压 Repetitive Peak Reverse Voltage 正向平均电流 Average Forward Current SF 条件 Conditions 21 22 23 24 25 26 27 28 50 100 150 200 300 400 500 600 VRRM V IF(AV) A IFSM A Tj ℃ -55~+125 Tstg ℃ -55 ~ +150 正向(不重复)浪涌电流 Surge(Non-repetitive)Forward Current 结温 Junction Temperature 储存温度 Storage Temperature (正弦半波 60HZ,电阻负载,Ta=50 ℃ ) ; (60HZ Half-sine wave, Resistance load,Ta=50℃) (正弦半波60HZ,一个周期,Ta=25 ℃ ) (60HZ Half-sine wave,1 cycle,Ta=25℃) 2.0 50 ■电特性 (Ta=25℃ 除非另有规定) Electrical Characteristics (Ta=25℃ Unless otherwise specified) 参数名称 Item 符号 Symbol 单位 Unit 正向峰值电压 Peak Forward Voltage VFM V 反向峰值电流 Peak Reverse Current IRRM1 IRRM2 反向恢复时间 Reverse Recovery time 热阻(典型) Thermal Resistance(Typical) trr μA ns RθJ-A ℃/W RθJ-L Document Number 0152 Rev. 1.0, 22-Sep-11 测试条件 Test Condition IFM=2.0A SF 21 22 23 24 25 0.95 1.3 Ta=25℃ 5 Ta=125℃ IF=0.5A IR=1A IRR=0.25A 结和环境之间 Between junction and ambient 结和引线之间 Between junction and lead 50 VRM=VRRM 扬州扬杰电子科技股份有限公司 Yangzhou Yangjie Electronic Technology Co., Ltd. 26 27 28 1.7 35 55 20 www.21yangjie.com SF21 THRU SF28 ■特性曲线(典型) Characteristics(Typical) 图2: 最大正向浪涌冲击耐受力 FIG.2 : MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT IFSM(A) IO(A 图 1: 正向电流降额曲线 FIG.1: FORWARD CURRENT DERATING CURVE 2.0 50 40 8.3毫秒正弦半波 8.3ms Single Half Sine Wave JEDEC Method 1.5 30 1.0 20 0.5 单项半波电压电阻或电感负载 0.375''(9.5 毫米 )引线长度 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375''(9.5mm) Lead Length 0 0 10 100 50 150 Ta(℃) 1 20 SF21-SF24 10 SF25-SF26 IR(uA) IF(A) 图3: 典型正向特性曲线 FIG.3: TYPICAL FORWARD CHARACTERISTICS 2 6 8 10 20 周波数 100 Number of Cycles 图4: 典型反向特性曲线 FIG.4:TYPICAL REVERSE CHARACTERISTICS 1000 Tj=125℃ 100 4.0 4 SF27-SF28 2.0 10 1.0 Tj=100℃ 0.4 1.0 0.2 0.1 Tj=25℃ TJ=25℃ Pulse width=300us 1% Duty Cycle 0.1 0.02 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.01 0 1.8 20 40 60 80 VF(V) 100 Voltage(%) 图 5: 反向恢复时间试验电路及测试波形示意图 FIG.5: Diagram of circuit and Testing wave form of reverse recovery time I D trr IF VR IF RL t 0 IRR IR Document Number 0152 Rev. 1.0, 22-Sep-11 扬州扬杰电子科技股份有限公司 Yangzhou Yangjie Electronic Technology Co., Ltd. www.21yangjie.com