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| MJH6282 |
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MOTOROLA |
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3 page
MJH6282 MJH6283 MJH6284 MJH6285 MJH6286 MJH6287 3 Motorola Bipolar Power Transistor Device Data Figure 4. Thermal Response t, TIME (ms) 1.0 0.01 0.03 0.7 0.2 0.1 0.05 0.02 0.05 1.0 3.0 5.0 10 30 50 100 300 500 R θJC(t) = r(t) RθJC R θJC = 0.78°C/W MAX D CURVES APPLY FOR POWER PULSE TRAIN SHOWN READ TIME AT t1 TJ(pk) – TC = P(pk) R θJC(t) P(pk) t1 t2 DUTY CYCLE, D = t1/t2 D = 0.5 SINGLE PULSE 0.1 0.5 0.2 1000 0.5 0.3 0.07 0.03 0.01 0.02 2.0 20 200 0.3 0.2 0.1 0.05 0.02 0.01 SECOND BREAKDOWN LIMIT BONDING WIRE LIMITED THERMAL LIMITATION @ TC = 25°C SINGLE PULSE TJ = 150°C 0.5 ms Figure 5. MJH6282, MJH6285 Figure 6. MJH6283, MJH6286 Figure 7. MJH6284, MJH6287 dc VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 2.0 50 2.0 0.1 5.0 10 10 0.5 50 0.2 5.0 20 1.0 20 100 0.05 TJ = 150°C dc VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 2.0 50 2.0 0.1 5.0 10 10 0.5 50 0.2 5.0 20 1.0 20 100 0.05 TJ = 150°C dc VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 2.0 50 2.0 0.1 5.0 10 10 0.5 50 0.2 5.0 20 1.0 20 100 0.05 1.0 ms 5.0 ms 0.1 ms 0.5 ms 1.0 ms 5.0 ms 0.1 ms 0.5 ms 1.0 ms 5.0 ms 0.1 ms SECOND BREAKDOWN LIMIT BONDING WIRE LIMITED THERMAL LIMITATION @ TC = 25°C SINGLE PULSE SECOND BREAKDOWN LIMIT BONDING WIRE LIMITED THERMAL LIMITATION @ TC = 25°C SINGLE PULSE FBSOA, FORWARD BIAS SAFE OPERATING AREA VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 0 50 60 10 20 80 40 40 10 DUTY CYCLE = 10% 30 20 30 110 100 0 Figure 8. Maximum RBSOA, Reverse Bias Safe Operating Area L = 200 µH IC/IB ≥ 100 TC = 25°C VBE(off) = 0 – 5.0 V RBE = 47 Ω MJH6282, 6285 MJH6283, 6286 MJH6284, 6287 FORWARD BIAS There are two limitations on the power handling ability of a transistor: average junction temperature and second break- down. 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 dissipa- tion than the curves indicate. The data of Figure 5, 6 and 7 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) v 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. |
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