MJ4502
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) (IC = 200 mAdc, RBE = 100 Ohms)
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Collector–Emitter Sustaining Voltage(1) (IC = 200 mAdc)
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Collector–Base Cutoff Current
(VCB = 100 Vdc, IE = 0)
(VCB = 100 Vdc, IE = 0, TC = 150
_
C)
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Emitter–Base Cutoff Current (VBE = 4.0 Vdc, IC = 0)
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DC Current Gain (IC = 7.5 Adc, VCE = 2.0 Vdc)
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Base–Emitter “On” Voltage (IC = 7.5 Adc, VCE = 2.0 Vdc)
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Collector–Emitter Saturation Voltage (IC = 7.5 Adc, IB = 0.75 Adc)
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Base–Emitter Saturation Voltage (IC = 7.5 Adc, IB = 0.75 Adc)
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Current Gain — Bandwidth Product (IC = 1.0 Adc, VCE = 10 Vdc, f = 1.0 MHz)
MHz
(1)Pulse Test: Pulse Width
v
300 µs, Duty Cycle
v
2.0%.
3.0
0.03
Figure 2. DC Current Gain
IC, COLLECTOR CURRENT (AMP)
0.1 0.05 0.1 0.2 0.3 3.0 5.0 30
1.0
0.5
0.3
0.2
2.0
IC, COLLECTOR CURRENT (AMP)
1.4
0.8
0.6
0.4
0
TJ = 25
°
C
VBE(sat) @ IC/IB = 10
VCE(sat) @ IC/IB = 10
“ON” VOLTAGE (VOLTS)
Figure 3. “On” Voltages
2.0
0.7
hFE, NORMALIZED CURRENT GAIN
TJ = 175
°
C
25
°
C
–55
°
C
VCE = 2.0 V
DATA SHOWN IS OBTAINED FROM PULSE TESTS
AND ADJUSTED TO NULLIFY EFFECT OF ICBO.
0.5 1.0 2.0 2010
VBE @ VCE = 2.0 V
0.2
1.0
1.2
1.8
1.6
0.03 0.05 0.1 0.2 0.3 3.0 5.0 300.5 1.0 2.0 2010
Figure 4. Active Region Safe Operating Area
100
0.1
50
20
10
5.0
2.0
1.0
0.5
0.2
1.0 2.0 3.0 5.0 10 20 30 50 100
VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)
SECONDARY BREAKDOWN LIMITED
BONDING WIRE LIMITED
THERMAL LIMITATIONS @ TC = 25
°
C
PULSE DUTY CYCLE
v
10%
IC, COLLECTOR CURRENT (AMP)
TJ = 200
°
C
dc
5.0 ms
1.0 ms
100
µ
s
The Safe Operating Area Curves indicate IC – VCE limits
below which the device will not enter secondary breakdown.
Collector load lines for specific circuits must fall within the ap-
plicable Safe Area to avoid causing a catastrophic failure. To
insure operation below the maximum TJ, power–temperature
derating must be observed for both steady state and pulse
power conditions.