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BDX53BG Folha de dados(PDF) 3 Page - ON Semiconductor |
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BDX53BG Folha de dados(HTML) 3 Page - ON Semiconductor |
3 / 7 page BDX53B, BDX53C (NPN), BDX54B, BDX54C (PNP) www.onsemi.com 3 Figure 2. Switching Time Test Circuit 5.0 0.1 Figure 3. Switching Times IC, COLLECTOR CURRENT (AMP) 3.0 0.7 0.5 0.3 0.2 0.05 0.2 0.3 0.7 3.0 10 td @ VBE(off) = 0 V VCC = 30 V IC/IB = 250 IB1 = IB2 TJ = 25°C tf 0.07 1.0 5.0 ts tr 0.1 1.0 2.0 0.5 2.0 7.0 0 VCC - 30 V SCOPE TUT + 4.0 V tr, tf v 10 ns DUTY CYCLE = 1.0% RC D1 MUST BE FAST RECOVERY TYPES, e.g.: 1N5825 USED ABOVE IB [ 100 mA MSD6100 USED BELOW IB [ 100 mA 25 ms D1 51 RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS V2 APPROX + 8.0 V V1 APPROX -12 V [ 8.0 k [ 120 for td and tr, D1 is disconnected and V2 = 0 For NPN test circuit reverse all polarities RB Figure 4. Thermal Response t, TIME OR PULSE WIDTH (ms) 1.0 0.01 0.01 0.7 0.5 0.3 0.2 0.1 0.07 0.05 0.03 0.02 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 1000 500 RqJC(t) = r(t) RqJC RqJC = 1.92°C/W D CURVES APPLY FOR POWER PULSE TRAIN SHOWN READ TIME AT t1 TJ(pk) - TC = P(pk) RqJC(t) P(pk) t1 t2 DUTY CYCLE, D = t1/t2 D = 0.5 SINGLE PULSE 0.2 0.05 0.1 0.02 0.01 SINGLE PULSE 0.03 0.3 3.0 30 300 BONDING WIRE LIMITED THERMALLY LIMITED @ TC = 25°C (SINGLE PULSE) SECOND BREAKDOWN LIMITED 1.0 Figure 5. Active−Region Safe Operating Area 20 2.0 0.05 10 20 100 TJ = 150°C 0.2 5.0 0.5 VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS) 10 30 70 1.0 0.1 dc 2.0 50 3.0 5.0 7.0 5.0 ms 1.0 ms 100 ms BDX53B, BDX54B BDX53C, BDX54C CURVES APPLY BELOW RATED VCEO 0.02 500 ms There are two limitations on the power handling ability of a transistor average junction temperature and second breakdown. Safe operating area curves indicate IC −VCE limits of the transistor that must be observed for reliable operation, i.e., the transistor must not be subjected to greater dissipation than the curves indicate. The data of Figure 5 is based on TJ(pk) = 150°C; TC is variable depending on conditions. Second breakdown pulse limits are valid for duty cycles to 10% provided TJ(pk) t 150°C. TJ(pk) may be calculated from the data in Figure 4. At high case temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by second breakdown. |
Nº de peça semelhante - BDX53BG |
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Descrição semelhante - BDX53BG |
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