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BDX34CG-2007 View Datasheet(PDF) - ON Semiconductor

Part NameBDX34CG(2007) ON-Semiconductor
ON Semiconductor ON-Semiconductor
DescriptionDarlington Complementary Silicon Power Transistors
BDX34CG Datasheet PDF : 6 Pages
1 2 3 4 5 6
BDX33B, BDX33C* (NPN) BDX34B, BDX34C* (PNP)
1.0
0.7 D = 0.5
0.5
0.3
0.2
0.2
0.1
0.1
0.05
0.07
0.02
0.05
0.03
SINGLE PULSE
0.02
0.01
0.01
0.01 0.02 0.03 0.05 0.1
0.2 0.3
P(pk)
t1
t2
SINGLE
PULSE
DUTY CYCLE, D = t1/t2
RqJC(t) = r(t) RqJC
RqJC = 1.92°C/W
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) - TC = P(pk) RqJC(t)
0.5 1.0 2.0 3.0 5.0 10 20 30 50
t, TIME OR PULSE WIDTH (ms)
Figure 1. Thermal Response
100 200 300 500 1000
20
10
5.0
TC = 25°C
2.0
5.0 ms
1.0 ms
dc
100
500 ms ms
20
10
5.0
TC = 25°C
2.0
5.0 ms
1.0 ms
dc
100
500 ms ms
1.0
BONDING WIRE LIMITED
0.5
THERMALLY LIMITED @ TC = 25°C
0.2
ą(SINGLE PULSE)
SECOND BREAKDOWN LIMITED
0.1 CURVES APPLY BELOW RATED VCEO
1.0
BONDING WIRE LIMITED
0.5
THERMALLY LIMITED @ TC = 25°C
ą(SINGLE PULSE)
0.2
SECOND BREAKDOWN LIMITED
0.1 CURVES APPLY BELOW RATED VCEO
0.05
0.02
1.0 2.0 3.0
5.0 7.0 10
BDX34B
BDX34C
20 30 50 70 100
0.05
0.02
1.0 2.0 3.0
5.0 7.0 10
BDX33B
BDX33C
20 30 50
VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)
VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)
Figure 2. Active-Region Safe Operating Area
70 100
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 3 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 Figureă4. At high case temperatures, thermal
limitations will reduce the power that can be handled to values
less than the limitations imposed by second breakdown.
10,000
5000
3000
2000
1000
500
TJ = 25°C
300
VCE = 4.0 Vdc
200
IC = 3.0 Adc
100
50
30
PNP
20
NPN
10
1.0
2.0 5.0 10 20 50 100 200 500 1000
f, FREQUENCY (kHz)
Figure 3. Small-Signal Current Gain
300
200
100
70
50
30
0.1 0.2
TJ = 25°C
Cob
Cib
PNP
NPN
0.5 1.0 2.0 5.0 10 20
VR, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
50 100
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