2SD2114K / 2SD2144S
Transistors
High-current Gain Medium
Power Transistor (20V, 0.5A)
2SD2114K / 2SD2144S
zFeatures
1) High DC current gain.
hFE = 1200 (T yp.)
2) High emi tter-b a s e vol t age.
V
EBO =12V (Min.)
3) Low VCE (sat).
V
CE (sat) = 0.18V (Ty p.)
(I
C / IB = 500mA / 20mA)
zStructure
Epitax ial plan ar ty pe
NPN silicon transistor
zExternal dimensions (Units : mm)
2SD2144S
2SD2114K
(1) Emitter
(2) Collector
(3) Base
ROHM : SPT
EIAJ : SC-72
00.1
2.8±0.2
1.6
0.30.6
1.1
0.8±0.1
0.15
0.4
2.9±0.2
1.9±0.2
0.950.95
+0.2
0.1
0.1
+0.2
+0.1
0.06
+0.1
0.05
(2)
(1)
(3)
(1) Emitter
(2) Base
(3) Collector
ROHM : SMT3
EIAJ : SC-59 Abbreviated symbol: BB
All terminals have same dimensions
Denotes h
FE
3
±
0.2(15Min.)
4
±
0.2 2
±
0.2
0.45
0.5
0.45
5
(1) (2) (3)
0.05
+
0.15
+
0.15
0.05
2.5
+
0.4
0.1
3Min.
zAbsolute maximum ratings (Ta=25°C)
Parameter
VCBO
VCEO
VEBO
IC
PC
Tj
Tstg
25 V
V
V
A(DC)
W
°C
°C
20
12
0.5
A(Pulse)1
0.2
0.3
150
55∼+150
Symbol Limits Unit
Single pulse Pw=100ms
2SD2114K
2SD2144S
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power
dissipation
Junction temperature
Storage temperature
2SD2114K / 2SD2144S
Transistors
zElectr ical char acter istic s (Ta=2 5°C)
Parameter Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
f
T
Cob
Min.
25
20
12
560
0.18
350
8.0
0.5
0.5
2700
0.4
VI
C
=10µA
I
C
=1mA
I
E
=10µA
V
CB
=20V
V
EB
=10V
I
C
/I
B
=500mA/20mA
V
CE
=10V, I
E
=−50mA, f=100MHz
V
CB
=10V, I
E
=0A, f=1MHz
V
V
µA
µA
h
FE
820
2SD2144S
2SD2114K 2700 V
CE
=3V, I
C
=10mA
V
MHz
pF
Ron 0.8 I
B
=1mA, Vi=100mV(rms), f=1kHzpF
Typ. Max. Unit Conditions
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
DC current transfer ratio
Collector-emitter saturation voltage
Transition frequency
Output capacitance
Output On-resistance
Measured using pulse current
zPackaging specifications and hFE
Package
Code T146 TP
3000 5000
Taping
Basic ordering
unit (pieces)
VW
h
FE
UVW
2SD2114K
2SD2144S
Type
hFE v alues are classified as follows :
Item U
h
FE
5601200
V
8201800
W
12002700
zElectr ical char acter istic curv es
0
0.4
0.8
1.2
1.6
2.0
0 0.1 0.2 0.3 0.4 0.5
Ta=25˚C
0.2µA
0.4µA
0.6µA
0.8µA
1.0µA
1.2µA
1.4µA
1.6µA
I
B
=0
1.8µA
2.0µA
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V)
Fig.1 Grounded emitter output
characteristics(Ι)
0
200
400
600
800
1000
0246810
Ta
=
25°C
Measured using
pulse current.
0.2mA
0.4mA
0.6mA
0.8mA
1.0mA
1.2mA
1.4mA
1.6mA
1.8mA 2.0mA
I
B
=0mA
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V)
Fig.2 Grounded emitter output
characteristics(ΙΙ)
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
1
2
5
10
20
50
100
200
500
1000
COLLECTOR CURRENT : IC
(mA)
BASE TO EMITTER VOLTAGE : V
BE
(V)
Fig.3 Grounded emitter propagation
characteristics
V
CE
=3V
Measured using
pulse current.
25°C
25°C
Ta=100°C
2SD2114K / 2SD2144S
Transistors
1 2 5 10 20 50 100 200 5001000
10
20
50
100
200
500
1000
2000
5000
10000 Ta=25°C
Measured using
pulse current.
DC CURRENT GAIN : h
FE
COLLECTOR CURRENT : I
C
(mA)
Fig.4 DC current gain vs. collector
current(Ι)
3V
V
CE
=5V
1V
1 2 5 10 20 50 100 200 5001000
10000
5000
2000
1000
500
200
100
50
20
10
V
CE
=3V
Measured using
pulse current.
DC CURRENT GAIN : h
FE
COLLECTOR CURRENT : I
C
(mA)
Fig.5 DC current gain vs.
collector current(ΙΙ)
25°C
25°C
Ta=100°C
1
2
2000
1000
200
500
100
20
50
10
5
2 5 10 20 50 100 200 5001000
Ta=25°C
Measured using
pulse current.
10
25
50
I
C
/I
B
=100
COLLECTOR SATURATION VOLTAGE : VCE(sat)
(mV)
COLLECTOR CURRENT : I
C
(mA)
Fig.6 Collector-emitter saturation
voltage vs. collector current(Ι)
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(mV)
COLLECTOR CURRENT : IC
(mA)
1
2
2000
1000
200
500
100
20
50
10
5
2 5 10 20 50 100 200 5001000
I
C/
I
B=
25
Measured using
pulse current.
Fig.7 Collector-emitter saturation
voltage vs. collector current(ΙΙ)
Ta=100°C
25°C
25°C
BASE SATURATION VOLTAGE : V
BE(sat)
(mV)
COLLECTOR CURRENT : I
C
(mA)
Fig.8 Base-emitter saturation
voltage vs. collector current(Ι)
1 2 5 10 20 50 100 200 500 1000
10000
5000
2000
1000
500
200
100
50
20
10
Ta=25°C
Pulsed
I
C
/I
B
=10
25
50
100
1 2 5 10 20 50 100 200 5001000
10000
5000
2000
1000
500
200
100
50
20
10
BASE SATURATION VOLTAGE : VBE(sat)
(mV)
COLLECTOR CURRENT : IC
(mA)
Fig.9 Base-emitter saturation voltage
vs. collector current(ΙΙ)
Measured using
pulse current.
lC/lB=10
25°C
100°C
Ta=−25°C
EMITTER CURRENT : I
E
(mA)
TRANSITION FREQUENCY : f
T
(MHz)
Fig.10 Gain bandwidth product vs.
emitter current
-1 -2 -5 -10 -20 -50 -100-200 -500-1000
10000
5000
2000
500
200
1000
100
20
50
10
Ta
=
25°C
V
CE
=
10V
Measured using
pulse current.
0.1 0.2 0.5 1 2 5 10 20 50 100
COLLECTOR OUTPUT CAPACITANCE : Cob
(pF)
COLLECTOR TO BASE VOLTAGE : V
CB
(V)
Fig.11 Collector output capacitance
vs. collector-base voltage
100
200
500
1000
10
20
50
2
5
1
Ta
=
25°C
f
=
1MHz
I
E
=
0A
0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10
ON RESISTANCE : Ron
()
BASE CURRENT : I
B
(mA)
Fig.12 Output-on resistance vs.
base current
0.1
0.2
0.5
1
2
5
10
20
50
100 Ta=25°C
f=1kHz
Vi=100mV(
rms)
R
L
=1k
2SD2114K / 2SD2144S
Transistors
zRon measurement circuit
Ron= ×R
L
v
0
v
0
v
i
v
0
RL=1k
I
B
Output
Input
1kHz
100mV(rms)
v
i
V