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BDW42 Fiches technique(PDF) 3 Page - ON Semiconductor |
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BDW42 Fiches technique(HTML) 3 Page - ON Semiconductor |
3 / 6 page BDW42* − NPN, BDW46, BDW47* − PNP http://onsemi.com 3 Figure 2. Switching Times 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 µs D1 51 RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS V2 APPROX + 8.0 V V1 APPROX − 12 V [ 8.0 k [ 150 for td and tr, D1 id 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 RθJC(t) = r(t) RθJC RθJC = 1.92°C/W D CURVES APPLY FOR POWER PULSE TRAIN SHOWN READ TIME AT t1 TJ(pk) − TC = P(pk) RθJC(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 0.03 0.3 3.0 30 300 |
Numéro de pièce similaire - BDW42 |
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Description similaire - BDW42 |
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