MMBTA70LT1 Datasheet, PDF (3/5 Pages) Motorola, Inc – General Purpose Transistor

LESHAN RADIO COMPANY, LTD.
TYPICAL STATIC CHARACTERISTICS
MMBTA70LT1
400
T J = +125°C
+25°C
200
–55°C
100
80
60
40
0.0030.005
0.01
0.02 0.03 0.05 0.07 0.1
0.2 0.3 0.5 0.7 1.0
V CE = 1.0V
V CE = 1 0V
2.0 3.0 5.0 7.0 10
I C , COLLECTOR CURRENT (mA)
Figure 6. DC Current Gain
20 30 50 70 100
1.0
T A = 25°C
0.8
I C = 1.0 mA 10 mA
50 mA 100 mA
0.6
0.4
0.2
0
0.002 0.005 0.01 0.02 0.05 0.1 0.2
0.5 1.0 2.0
5.0 10 20
I C , COLLECTOR CURRENT (mA)
Figure 7. Collector Saturation Region
100
T A = 25°C
PULSE WIDTH = 300 µs
80 DUTY CYCLE <2.0%
300µA
60
40
20
I B = 400 µA
350 µA
250 µA
200 µA
150 µA
100 µA
50 µA
0
0
5.0
10
15
20
25
30
35
40
V CE , COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 8. Collector Characteristics
1.4
T J = 25°C
1.2
1.0
0.8
V BE(sat) @ I C /I B = 10
0.6
V BE(on) @ V CE = 1.0 V
0.4
0.2
V CE(sat) @ I C /I B = 10
0
0.1 0.2
0.5 1.0 2.0 5.0 10 20
1.6
*APPLIES for I C /I B < h FE /2
0.8
* θ VC for V CE(sat)
0
25°C to 125°C
–55°C to 25°C
50 100
–0.8
–1.6
θ VB for V BE
–2.4
0.1 0.2
0.5 1.0 2.0
25°C to 125°C
–55°C to 25°C
5.0 10 20
50 100
I B , BASE CURRENT (mA)
Figure 9. “On” Voltages
I C , COLLECTOR CURRENT (mA)
Figure 10. Temperature Coefficients
M31–3/5