|
BC450 Datasheet, PDF (3/6 Pages) Motorola, Inc – High Voltage Transistors | |||
|
◁ |
300
TJ = 25°C
200
100
70
50
â5.0 V
VCE = â1.0 V
30
â1.0
â2.0 â3.0 â5.0 â7.0 â10
â20 â30 â50 â70 â100
IC, COLLECTOR CURRENT (mA)
Figure 2. CurrentâGain â Bandwidth Product
BC450,A
40
TJ = 25°C
20
Cibo
10
8.0
6.0
4.0
Cobo
2.0
â0.1 â0.2
â0.5 â1.0 â2.0 â5.0 â10 â20
VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Capacitance
â50 â100
1000
700
500
ts
300
200
VCC = â40 V
IC/IB = 10
IB1 = IB2
TJ = 25°C
100
tf
70
50
tr
30
20
td @ VBE(off) = â0.5 V
10
â10
â20 â30
â50 â70 â100
â200
IC, COLLECTOR CURRENT (mA)
Figure 4. Switching Times
1.0
0.7
D = 0.5
0.5
0.3
0.2
0.2
0.1
0.1
0.02
0.07
0.01
0.05 SINGLE PULSE
0.03
SINGLE PULSE
0.02
0.01
1.0 2.0
5.0 10 20
ZθJC(t) = r(t) ⢠RθJC
ZθJA(t) = r(t) ⢠RθJA
50 100 200
500 1.0 k 2.0 k
t, TIME (ms)
Figure 5. Thermal Response
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1 (SEE ANâ469)
TJ(pk) â TC = P(pk) ZθJC(t)
TJ(pk) â TA = P(pk) ZθJA(t)
5.0 k 10 k 20 k
50 k 100 k
Motorola SmallâSignal Transistors, FETs and Diodes Device Data
3
|
▷ |