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MMBTA70LT1 Datasheet, PDF (4/8 Pages) Motorola, Inc – General Purpose Transistor | |||
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MMBTA70LT1
TYPICAL DYNAMIC CHARACTERISTICS
500
300
200
100
70
50
30
20
10
7.0
5.0
1.0
VCC = 3.0 V
IC/IB = 10
TJ = 25°C
tr
td @ VBE(off) = 0.5 V
2.0 3.0 5.0 7.0 10
20 30
IC, COLLECTOR CURRENT (mA)
Figure 11. TurnâOn Time
50 70 100
1000
700
VCC = âÄ3.0 V
500
IC/IB = 10
300
ts
IB1 = IB2
TJ = 25°C
200
100
70
50
tf
30
20
10
â1.0
âÄ2.0 âÄ3.0 âÄ5.0 âÄ7.0 â10 âÄ20 âÄ30
IC, COLLECTOR CURRENT (mA)
Figure 12. TurnâOff Time
âÄ50 âÄ70 â100
500
TJ = 25°C
300
VCE = 20 V
5.0 V
200
100
70
50
0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
20 30 50
IC, COLLECTOR CURRENT (mA)
Figure 13. CurrentâGain â Bandwidth Product
10
TJ = 25°C
7.0
Cib
5.0
3.0
2.0
Cob
1.0
0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50
VR, REVERSE VOLTAGE (VOLTS)
Figure 14. Capacitance
20
VCE = â10 Vdc
10
f = 1.0 kHz
7.0
hfe â 200
TA = 25°C
5.0
@ IC = â1.0 mA
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1 0.2
0.5 1.0 2.0 5.0 10 20
IC, COLLECTOR CURRENT (mA)
Figure 15. Input Impedance
50 100
200
VCE = 10 Vdc
100 f = 1.0 kHz
70 TA = 25°C
50
30
hfe â 200
20 @ IC = 1.0 mA
10
7.0
5.0
3.0
2.0
0.1 0.2
0.5 1.0 2.0 5.0 10 20
IC, COLLECTOR CURRENT (mA)
Figure 16. Output Admittance
50 100
4
Motorola SmallâSignal Transistors, FETs and Diodes Device Data
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