Datasheet

BD435, BD437, BD439, BD441
http://onsemi.com
3
V
CE
, COLLECTOR−EMITTER VOLTAGE (VOLTS)
Figure 1. Collector Saturation Region
I
B
, BASE CURRENT (mA)
2.0
0
0.05
1.6
1.2
0.8
0.4
1.0 2.0 10 70 500
I
C
= 10 A 100 mA 1.0 A
0.1 100205.0
T
J
= 25°C
3.0 300.07 300200507.00.2 0.3 0.5 0.7
3.0 A
Figure 2. Current Gain
200
0
0.01
180
160
80
0.1
BD439, 441
0.02 30.30.2 1 520.50.03 0.05
I
C
, COLLECTOR CURRENT (AMP)
h
FE
, CURRENT GAIN (NORMALIZED)
BD433, 435, 437
140
120
100
60
40
20
2.0
0.005
I
C
, COLLECTOR CURRENT (AMP)
1.6
1.2
0.8
0.6
0
T
J
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
VOLTAGE (VOLTS)
Figure 3. “On” Voltage
0.02 0.030.05 0.1 0.2
V
BE
@ V
CE
= 2.0 V
0.01 0.3 0.5 1.0 2.0 3.0 4.
0
Figure 4. Active Region Safe Operating Area
10
V
CE
, COLLECTOR−EMITTER VOLTAGE (VOLTS)
4.0
1.0
0.1
2.0 10 20 100
0.5
I
C
, COLLECTOR CURRENT (AMP)
T
J
= 150°C
dc
5 ms
1.0 5.0 50
SECONDARY BREAKDOWN
THERMAL LIMIT T
C
= 25°C
BONDING WIRE LIMIT
CURVES APPLY BELOW RATED V
CEO
BD437
BD439
BD441