
2 Motorola Bipolar Power Transistor Device Data
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ELECTRICAL CHARACTERISTICS (TC = 25
_
C unless otherwise noted)
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Collector–Emitter Breakdown Voltage (1) MJ11028, MJ11029
(IC = 1 00 mAdc, IB = 0) MJ11030, MJ11031
MJ11032, MJ11033
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Collector–Emitter Leakage Current
(VCE = 60 Vdc, RBE = 1 k ohm) MJ11028, MJ11029
(VCE = 90 Vdc, RBE = 1 k ohm) MJ11030, MJ11031
(VCE = 120 Vdc, RBE = 1 k ohm) MJ11032, MJ11033
(VCE = 60 Vdc, RBE = 1 k ohm, TC = 150
_
C) MJ11028, MJ11029
(VCE = 90 Vdc, RBE = 1 k ohm, TC = 150
_
C) MJ11030, MJ11031
(VCE = 120 Vdc, RBE = 1 k ohm, TC = 150
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C) MJ11032, MJ11033
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Emitter Cutoff Current (VBE = 5 Vdc, IC = 0)
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Collector–Emitter Leakage Current (VCE = 50 Vdc, IB = 0)
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DC Current Gain
(IC = 25 Adc, VCE = 5 Vdc)
(IC = 50 Adc, VCE = 5 Vdc)
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Collector–Emitter Saturation Voltage
(IC = 25 Adc, IB = 250 mAdc)
(IC = 50 Adc, IB = 500 mAdc)
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Base–Emitter Saturation Voltage
(IC = 25 Adc, IB = 200 mAdc)
(IC = 50 Adc, IB = 300 mAdc)
Vdc
(1) Pulse Test: Pulse Width
v
300 µs, Duty Cycle
v
2.0%.
IC, COLLECTOR CURRENT (AMP)
100
0.2
Figure 2. DC Safe Operating Area
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
0.1 0.5 1 2 5 10 20 50 200
20
10
5
50
2
1
0.5
0.2
BONDING WIRE LIMITED
THERMALLY LIMITED @ TC = 25
°
C
SECOND BREAKDOWN LIMITED
MJ11028, 29
MJ11030, 31
MJ11032, 33
100
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 2 is based on TJ(pk) = 200
_
C; TC is
variable depending on conditions. At high case tempera-
tures, thermal limitations will reduce the power that can be
handled to values less than the limitations imposed by se-
cond breakdown.
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
IC, COLLECTOR CURRENT (AMP)
hFE, DC CURRENT GAIN
100 k
IC, COLLECTOR CURRENT (AMP)
50 k
20 k
10 k
5 k
2 k
500
Figure 3. DC Current Gain
1 2 5 10 10020 50
Figure 4. “On” Voltage
100
VCE = 5 V
TJ = 25
°
C
1 k
200
MJ11029, MJ11031, MJ11033 PNP
MJ11028, MJ11030, MJ11032 NPN
5
4
3
2
1
1 2 5 10 10020 50
03
TJ = 25
°
C
IC/IB = 100 VBE(sat)
80
µ
s
(PULSED)
MJ11029, MJ11031, MJ11033 PNP
MJ11028, MJ11030, MJ11032 NPN
80
µ
s
(PULSED)
VCE(sat)