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MJD2955 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. MJD2955
Description  Complementary Power Transistors DPAK For Surface Mount Applications
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MJD2955 Datasheet(HTML) 4 Page - ON Semiconductor

   
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MJD2955 (PNP) MJD3055 (NPN)
http://onsemi.com
4
Figure 6. “On” Voltages, MJD2955
2
0.1
0
0.2 0.3
0.5
1
3
10
0.8
1.6
1.2
0.4
5
TJ = 25°C
VBE(sat) @ IC/IB = 10
VCE(sat) @ IC/IB = 10
VBE @ VCE = 3 V
Figure 7. Switching Time Test Circuit
Figure 8. Thermal Response
t, TIME (ms)
1
0.01
0.02
0.7
0.2
0.1
0.05
0.02
0.05
1
2
5
10
20
50
100
200
500
RqJC(t) = r(t) RqJC
RqJC = 6.25°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) − TC = P(pk) qJC(t)
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
D = 0.5
0.2
0.05
0.02
0.01
SINGLE PULSE
0.1
0.1
0.5
0.2
1 k
0.5
0.3
0.07
0.03
0.03
0.3
3
30
300
IC, COLLECTOR CURRENT (AMP)
2
+11 V
25
ms
0
−9 V
RB
−4 V
D1
SCOPE
VCC
+30 V
RC
tr, tf ≤ 10 ns
DUTY CYCLE = 1%
51
D1 MUST BE FAST RECOVERY TYPE, eg:
1N5825 USED ABOVE IB ≈ 100 mA
MSD6100 USED BELOW IB ≈ 100 mA
RB and RC VARIED TO OBTAIN DESIRED CURRENT LEVELS
0.01
Figure 9. Maximum Forward Bias
Safe Operating Area
0.01
VCE, COLLECTOR−EMITTER VOLTAGE (VOLTS)
0.02
5
2
1
10
0.5
0.1
TJ = 150°C
1ms
dc
3
0.3
0.6
1
2
60
20
40
WIRE BOND LIMIT
THERMAL LIMIT TC = 25°C (D = 0.1)
SECOND BREAKDOWN LIMIT
10
6
4
500
ms
0.03
0.05
100
ms
5ms
FORWARD BIAS SAFE OPERATING AREA
INFORMATION
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 9 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 8. 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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