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朱亮成 
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Features
• High DC Current Gain
• High Current−Gain − Bandwidth Product
• Annular Construction for Low Leakages
• Epoxy Meets UL 94 V−0 @ 0.125 in
• These Devices are Pb−Free and are RoHS Compliant*
MJE170G, MJE180G
MJE171G, MJE181G
MJE172G, MJE182G
MJE170G, MJE171G, MJE172G (PNP), MJE180G, MJE181G, MJE182G (NPN)
tr, tf ≤ 10 ns
DUTY CYCLE =1.0%
51RB and RC VARIED TO OBTAIN DESIRED CURRENT LEVELS
D1 MUST BE FAST RECOVERY TYPE, e.g.:
1N5825 USED ABOVE IB ≈ 100 mA
MSD6100 USED BELOW IB ≈ 100 mA
FOR PNP TEST CIRCUIT, REVERSE ALL POLARITIES.1K
The data of Figures 5 and 6 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) < 150°C. TJ(pk) may be calculated from the data in
Figure 4. At high case temperature, thermal limitations will
reduce the power that can be handled to values less than the
limitations imposed by second breakdown.
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