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參數(shù)資料
| 型號(hào)： | MJB6491 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 功率晶體管 |
| 英文描述： | 15 A, 80 V, PNP, Si, POWER TRANSISTOR |
| 封裝： | CASE 418B-04, D2PAK-3 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | MJB6491 |
MJB6488, MJB6491
http://onsemi.com
402
Figure 24. Switching Time Test Circuit
1000
Figure 25. TurnOn Time
IC, COLLECTOR CURRENT (A)
t,TIME
(ns)
500
50
20
0.2
20
TC = 25°C
VCC = 30 V
IC/IB = 10
10
1.0
5.0
tr
0.5
2.0
10
200
100
td @ VBE(off) [ 5.0 V
NPN
PNP
+ 10 V
0
SCOPE
RB
4 V
tr, tf v 10 ns
DUTY CYCLE = 1.0%
RC
D1 MUST BE FAST RECOVERY TYPE, e.g.:
1N5825 USED ABOVE IB [ 100 mA
MSD6100 USED BELOW IB [ 100 mA
25
ms
10 V
D1
51
RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS.
FOR PNP, REVERSE ALL POLARITIES.
VCC
+ 30 V
Figure 26. Thermal Response
t, TIME (ms)
1.0
0.01
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
1.0 k
500
ZqJC (t) = r(t) RqJC
RqJC = 1.67°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) TC = P(pk) ZqJC(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
r(t),
TRANSIENT
THERMAL
RESIST
ANCE
(NORMALIZED)
SECOND BREAKDOWN LIMITED
BONDING WIRE LIMITED
THERMALLY LIMITED @ TC = 25°C
20
Figure 27. ActiveRegion Safe Operating Area
2.0
10
20
80
TJ = 150°C
0.2
5.0
0.5
VCE, COLLECTOREMITTER VOLTAGE (V)
10
40
1.0
0.1
dc
2.0
60
4.0
CURVES APPLY BELOW RATED VCEO
5.0 ms
1.0 ms
500
ms
100
ms
I C
,COLLECT
OR
CURRENT
(AMP)
There are two limitations on the power handling ability of
a transistors 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 27 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 26. 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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