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to 各位斑竹 |
| 作者：z81 欄目：器件替換 |
你們好 有些器件我找了很久都找不到,我想各位斑竹這么牛,一定能給你找出來的:) 1 高速二極管:u19B ABSOLUTE MAXIMUM RATINGS Items Type U19B Repetitive Peak Reverse Voltage VRRM V 100 Non-Repetitive Peak Reverse Voltage VRSM V 200 Average Forward Current IF(AV) A 2.5(Single-phase half sine wave 180° conduction TL = 80°C, LEAD length = 10MM ) Surge(Non-Repetitive) Forward Current IFSM A 80( Without PIV, 10ms conduction, Tj = 150°C start ) I2t Limit VALUE I2t A2s 25.6( Time = 2 ~ 10ms, I = RMS VALUE ) Operating Junction Temperature Tj °C -65 ~ +150 Storage Temperature Tstg °C -65 ~ +150 Notes (1) LEAD mounting : LEAD temperature 300°C max. to 3.2mm from body for 5sec. max.. (2) MECHANICAL strength : Bending 90°´2 cycles or 180°´1 cycle, Tensile 3kg, Twist 90°´1 cycle. CHARACTERISTICS(TL=25°C) Items Symbols UNITS Min. Typ. Max. TEST Conditions Peak Reverse Current IRRM ΜA - 2.0 10 All class, Rated VRRM Peak Forward Voltage VFM V - - 1.3 IFM=2.5 Ap, Single-phase half sine wave 1 cycle Reverse Recovery Time trr Μs - - 0.2 IF=2mA, VR=-15V Rth(j-a) 50 Steady State THERMAL Impedance Rth(j-l) °C/W - - 20 LEAD length = 10 mm mm(inch) 7MAX (0.28) Cathode band 28MIN. (1.1) 62MIN. (2.44) 28MIN. (1.1) (0.2) 5 MAX f Symbol(BLUE) |
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