LESHAN RADIO COMPANY, LTD.
MMBTA42LT1 MMBTA43LT1
ELECTRICAL CHARACTERISTICS
(T A = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
h
FE
Both Types
Both Types
MMBTA42
MMBTA43
V
CE(sat)
MMBTA42
MMBTA43
V
BE(sat)
Min
Max
Unit
––
ON CHARACTERISTICS (3)
DC Current Gain
(I
C
= 1.0 mAdc, V
CE
= 10 Vdc)
(I
C
= 10 mAdc, V
CE
= 10 Vdc)
(I
C
= 30 mAdc, V
CE
= 10 Vdc)
Collector–Emitter Saturation Voltage
(I
C
= 20 mAdc, I
B
= 2.0 mAdc)
Base–Emitter Saturation Voltage
(I
C
= 20 mAdc, I
B
= 2.0 mAdc)
25
40
40
40
—
—
—
—
Vdc
—
—
—
0.5
0.5
0.9
Vdc
SMALL–SIGNAL CHARACTERISTICS
Current –Gain–Bandwidth Product
(V
CE
= 20 Vdc, I
C
= 10mA, f = 100 MHz)
Collector – Base Capacitance
(V
CB
= 20 Vdc, I
E
= 0, f = 1.0 MHz)
3. Pulse Test: Pulse Width <300
µs,
Duty Cycle <2.0%.
MMBTA42
MMBTA43
f
T
C
cb
—
—
3.0
4.0
50
—
MHz
pF
M28–2/3
LRC [ LESHAN RADIO COMPANY ]
