MMBT2907ALT1 데이터 시트보기 (PDF) - Leshan Radio Company
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MMBT2907ALT1 Datasheet PDF : 4 Pages
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LESHAN RADIO COMPANY, LTD.
MMBT2907LT1 MMBT2907ALT1
TYPICAL SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE
V CE = 10 Vdc, T A = 25°C
10
10
f=1.0 kHz
8.0
8.0
6.0
I C = –1.0 mA, R S= 430 Ω
–500 µA, R S= 560 Ω
–50 µA, R S= 2.7 k Ω
4.0
–100 µA, R S= 1.6 k Ω
6.0
I C = –50µA
–100 µA
–500 µA
4.0
–1.0 mA
2.0
RS=OPTIMUM SOURCE RESISTANCE
2.0
0
0.01 0.02 0.05 0.1 0.2
0.5 1.0 2.0
5.0 10 20
f, FREQUENCY (kHz)
Figure 7. Frequency Effects
50 100
0
50 100 200
500 1.0 k 2.0 k 5.0 k 10 k 20 k 50 k
R S, SOURCE RESISTANCE ( Ω )
Figure 8. Source Resistance Effects
30
400
300
20
C eb
200
10
7.0
5.0
C cb
3.0
2.0
–0.1 –0.2 –0.3 –0.5 –1.0 –2.0 –3.0 –5.0 –10
REVERSE VOLTAGE (VOLTS)
Figure 9. Capacitances
–20 –30
–1.0
T J = 25°C
–0.8
–0.6
V BE(sat) @ I C /I B = 10
V BE(on) @ V CE = –10 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 –50 –100 –200 –500
I C , COLLECTOR CURRENT (mA)
Figure 11. “On” Voltage
100
80
VCE=–20 V
60
T J= 25°C
40
30
20
–1.0 –2.0
–5.0 –10 –20
–50 –100 –200 –500 –1000
I C , COLLECTOR CURRENT (mA)
Figure 10. Current–Gain — Bandwidth Product
+0.5
0
–0.5
R θVC for V CE(sat)
– 1.0
–1.5
–2.0
R θVB for V BE
–2.5
–0.1 –0.2 –0.5 –1.0 –2.0 –5.0 –10 –20 –50 –100 –200 –500
I C , COLLECTOR CURRENT (mA)
Figure 12. Temperature Coefficients
O8–4/4
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