BC488B View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
BC488B Datasheet PDF : 6 Pages
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BC488B
200
VCE = −2.0 V
TJ = 25°C
100
70
50
30
20
−2.0 −3.0 −5.0 −7.0 −10
−20 −30 −50 −70 −100 −200
IC, COLLECTOR CURRENT (mA)
Figure 2. Current−Gain − Bandwidth Product
100
70
Cibo
TJ = 25°C
50
30
20
10
7.0
5.0
−0.1 −0.2
−0.5 −1.0 −2.0 −5.0 −10 −20
VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Capacitance
Cobo
−50 −100
1.0 k
700
500
300
ts
200
100
70 td @ VBE(off) = −0.5 V
50
tf
30
VCC = −40 V
20
IC/IB = 10
IB1 = IB2
TJ = 25°C
10
−5.0 −7.0 −10 −20 −30
−50 −70 −100
tr
−200 −300 −500
IC, COLLECTOR CURRENT (mA)
Figure 4. Switching Time
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
ZqJC(t) = r(t) • RqJC
ZqJA(t) = r(t) • RqJA
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 AN−469)
TJ(pk) − TC = P(pk) ZqJC(t)
TJ(pk) − TA = P(pk) ZqJA(t)
5.0 k 10 k 20 k
50 k 100
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