Semiconductor Group 1
NPN Silicon Switching Transistor SMBT 4124
Maximum Ratings
Type Ordering Code
(tape and reel)
Marking
Package
1)
Pin Configuration
SMBT 4124 Q68000-A8316sZC SOT-23
B E C
1 2 3
Parameter Symbol Values Unit
Collector-emitter voltage V
CE0 25 V
Collector-base voltage VCB0 30
Collector current I
C 200 mA
Total power dissipation, TS =69˚C
P
tot 330 mW
Junction temperature T
j 150 ˚C
Storage temperature range T
stg – 65 … + 150
Thermal Resistance
Junction - ambient
2)
Rth JA ≤ 315 K/W
Junction - soldering point Rth JS ≤ 245
Emitter-base voltage VEB0 5
1)
For detailed information see chapter Package Outlines.
2)
Package mounted on epoxy pcb 40 mm × 40 mm × 1.5 mm/6 cm2 Cu.
● High current gain: 0.1 mA to 100 mA
● Low collector-emitter saturation voltage
5.91
Semiconductor Group 2
SMBT 4124
Electrical Characteristics
at T
A = 25 ˚C, unless otherwise specified.
UnitValues
Parameter Symbol
min. typ. max.
DC characteristics
VCollector-emitter breakdown voltage
C = 1 mA
V
(BR)CE0 25 – –
Collector-base breakdown voltage
C = 10 µA
V
(BR)CB0 30 – –
Emitter-base breakdown voltage
E = 10 µA
V
(BR)EB0 5––
nACollector-base cutoff current
V
CB = 20 V, IE = 0
I
CB0 ––50
–DC current gain
C = 50 mA, VCE = 1 V
h
FE
120
60
–
–
360
–
VCollector-emitter saturation voltage
1)
C = 50 mA, IB = 5 mA
V
CEsat – – 0.3
Base-emitter saturation voltage
1)
C = 50 mA, IB = 5 mA
V
BEsat – – 0.95
Emitter-base cutoff current
V
EB = 3 V, IC = 0
I
EB0 ––50
MHzTransition frequency
C = 10 mA, VCE = 20 V, f = 100 MHz
f
T 300 – –
pFOutput capacitance
V
CB = 5 V, f = 1 MHz
C
obo ––4
AC characteristics
Input capacitance
V
EB = 0.5 V, f = 1 MHz
C
ibo ––8
dBNoise figure
C = 0.1 mA, VCE = 5 V, f = 10 Hz to 15 kHz
S = 1 kΩ
NF ––5
–Small-signal current gain
C = 1 mA, VCE = 5 V, f = 1 kHz
h
fe 120 – 480
1)
Pulse test conditions: t ≤ 300 µs, D ≤ 2 %.