D44H Series (NPN),
1.2
SATURATION VOLTAGE (VOLTS)
SATURATION VOLTAGE (VOLTS)
V
BE(sat)
@ I
C
/I
B
= 10
1.0
0.8
0.6
25°C
0.4
0.2
0
0.1
1
I
C
, COLLECTOR CURRENT (AMPS)
10
−40°C
1.4
1.2
1.0
0.8
0.6
25°C
0.4
0.2
0
0.1
1
I
C
, COLLECTOR CURRENT (AMPS)
10
V
BE(sat)
@ I
C
/I
B
= 10
−40°C
125°C
125°C
Figure 7. D44H11 ON−Voltage
Figure 8. D45H11 ON−Voltage
I
C
, COLLECTOR CURRENT (AMPS)
100
50
30
20
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
1.0
2.0 3.0 5.0 7.0 10
20 30
50 70 100
V
CE
, COLLECTOR−EMITTER VOLTAGE (VOLTS)
D44H/45H8
D44H/45H10,11
P
D
, POWER DISSIPATION (WATTS)
T
A
T
C
1.0 ms
100
ms
10
ms
3.0 60
2.0 40
T
C
1.0 20
T
A
T
C
≤
70° C
dc
DUTY CYCLE
≤
50%
1.0
ms
0
0
0
20
40
60
80
100
120
T, TEMPERATURE (°C)
140
160
Figure 9. Maximum Rated Forward Bias
Safe Operating Area
Figure 10. Power Derating
r(t), TRANSIENT THERMAL
RESISTANCE (NORMALIZED)
1.0
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.01
D = 0.5
0.2
0.1
0.05
0.02
0.01
SINGLE PULSE
0.01 0.02
0.05
0.1
0.2
0.5
1.0
2.0
Z
qJC(t)
= r(t) R
qJC
R
qJC
= 1.56°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
1
T
J(pk)
− T
C
= P
(pk)
Z
qJC(t)
5.0
10
20
50
P
(pk)
t
1
t
2
DUTY CYCLE, D = t
1
/t
2
100
200
500 1.0 k
t, TIME (ms)
Figure 11. Thermal Response
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