MMBTA42LT1, MMBTA43LT1
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Characteristic
OFF CHARACTERISTICS
Collector −Emitter Breakdown Voltage (Note 3)
(I
C
= 1.0 mAdc, I
B
= 0)
Collector −Base Breakdown Voltage
(I
C
= 100
mAdc,
I
E
= 0)
Emitter −Base Breakdown Voltage
(I
E
= 100
mAdc,
I
C
= 0)
Collector Cutoff Current
(V
CB
= 200 Vdc, I
E
= 0)
(V
CB
= 160 Vdc, I
E
= 0)
Emitter Cutoff Current
(V
EB
= 6.0 Vdc, I
C
= 0)
(V
EB
= 4.0 Vdc, I
C
= 0)
ON CHARACTERISTICS
(Note 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)
SMALL−SIGNAL CHARACTERISTICS
Current −Gain − Bandwidth Product
(I
C
= 10 mAdc, V
CE
= 20 Vdc, f = 100 MHz)
Collector−Base Capacitance
(V
CB
= 20 Vdc, I
E
= 0, f = 1.0 MHz)
3. Pulse Test: Pulse Width
v
300
ms,
Duty Cycle
v
2.0%.
MMBTA42
MMBTA43
f
T
C
cb
−
−
3.0
4.0
50
−
MHz
pF
h
FE
Both Types
Both Types
MMBTA42
MMBTA43
V
CE(sat)
MMBTA42
MMBTA43
V
BE(sat)
−
−
−
0.5
0.5
0.9
Vdc
25
40
40
40
−
−
−
−
Vdc
−
MMBTA42
MMBTA43
I
EBO
MMBTA42
MMBTA43
−
−
0.1
0.1
V
(BR)CEO
MMBTA42
MMBTA43
V
(BR)CBO
MMBTA42
MMBTA43
V
(BR)EBO
I
CBO
−
−
0.1
0.1
mAdc
300
200
6.0
−
−
−
Vdc
mAdc
300
200
−
−
Vdc
Vdc
Symbol
Min
Max
Unit
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