MPSA55 查看數據表（PDF） - Motorola => Freescale
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MPSA55 Datasheet PDF : 6 Pages
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1.0
0.8
IC =
50 mA
0.6
NPN
IC =
100 mA
TJ = 25°C
IC =
250 mA
IC =
500 mA
0.4
IC =
0.2 10 mA
0
0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50
IC, COLLECTOR CURRENT (mA)
Figure 14. MPSA05/06 Collector Saturation
Region
NPN MPSA05 MPSA06 PNP MPSA55 MPSA56
PNP
–1.0
–0.8
IC =
–50 mA
–0.6
TJ = 25°C
IC =
IC =
IC =
–100 mA –250 mA –500 mA
–0.4
IC =
–0.2 –10 mA
0
–0.05 –0.1 –0.2 –0.5 –1.0 –2.0 –5.0 –10 –20 –50
IB, BASE CURRENT (mA)
Figure 15. MPSA55/56 Collector Saturation
Region
–0.8
–0.8
–1.2
–1.2
–1.6
–2.0
RqVB for VBE
–1.6
–2.0
RqVB for VBE
–2.4
–2.4
–2.8
0.5 1.0 2.0 5.0 10 20 50 100 200 500
IC, COLLECTOR CURRENT (mA)
Figure 16. MPSA05/06 Base–Emitter
Temperature Coefficient
–2.8
–0.5 –1.0 –2.0 –5.0 –10 –20 –50 –100 –200 –500
IC, COLLECTOR CURRENT (mA)
Figure 17. MPSA55/56 Base–Emitter
Temperature Coefficient
1.0
0.7 D = 0.5
0.5
0.3 0.2
0.2 0.1
0.05
0.1
0.07 SINGLE PULSE
0.05
0.03
0.02
0.02 0.01
SINGLE PULSE
0.01
1.0 2.0
5.0 10
20
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
ZθJC(t) = r(t) • RθJC
TJ(pk) – TC = P(pk) ZθJC(t)
ZθJA(t) = r(t) • RθJA
TJ(pk) – TA = P(pk) ZθJA(t)
D CURVES APPLY FOR
POWER PULSE TRAIN
SHOWN READ TIME AT t1
(SEE AN469)
50 100 200
500 1.0 k 2.0 k
5.0 k 10 k 20 k
50 k 100 k
t, TIME (ms)
Figure 18. MPSA05, MPSA06, MPSA55 and MPSA56 Thermal Response
Motorola Small–Signal Transistors, FETs and Diodes Device Data
5
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