Page 1

Features
DDC (xxxx) K
NPN PRE-BIASED SMALL SIGNAL SOT-26
DUAL SURFACE MOUNT TRANSISTOR
· Epitaxial Planar Die Construction
TCUDORPWEN
· Complementary PNP Types Available
(DDA)
· Built-In Biasing Resistors
Mechanical Data
· Case: SOT-26, Molded Plastic
· Case material - UL Flammability Rating 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solderable per MIL-STD-202,
Method 208
· Terminal Connections: See Diagram
· Marking: Date Code and Marking Code
(See Diagrams & Page 3)
· Weight: 0.015 grams (approx.)
· Ordering Information (See Page 3)
P/N R1 R2 MARKING
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC143TK
DDC114TK
22KW
47KW
10KW
2.2KW
10KW
4.7KW
10KW
22KW
47KW
47KW
47KW
10KW
-
-
N17
N20
N14
N06
N13
N07
N12
K
J
A
NXX YM
G
H
D
R
NXX YM
C
B
L
R
R
1
2
R
2
1
R1, R
2
SCHEMATIC DIAGRAM
SOT-26
Dim Min Max Typ
A
0.35 0.50 0.38
B
1.50 1.70 1.60
C
2.70 3.00 2.80
D
G
M
H
J
K
L
M
a
All Dimensions in mm
R
1
R
1
R1 Only
0.95
1.90
2.90 3.10 3.00
0.013 0.10 0.05
1.00 1.30 1.10
0.35 0.55 0.40
0.10 0.20 0.15
0° 8°¾
Maximum Ratings
Supply Voltage, (3) to (1)
Input Voltage, (2) to (1) DDC124EK
DDC123JK
Output Current DDC124EK
Output Current All
Power Dissipation (Total)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage and Temperature Range
Note: 1. Mounted on FR4 PC Board with recommended pad layout at http://www.diodes.com/datasheets/ap02001.pdf.
2. 200mW per element must not be exceeded.
@ TA= 25°C unless otherwise specified
Characteristic Symbol Value Unit
DDC144EK
DDC114YK
DDC114EK
DDC143TK
DDC114TK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC143TK
DDC114TK
V
CC
V
IN
I
O
IC (Max)
P
d
R
qJA
Tj,T
STG
50 V
-10 to +40
-10 to +40
-6 to +40
-5 to +12
-10 to +40
-5 Vmax
-5 Vmax
30
30
70
100
50
100
100
100 mA
300
416.7 °C/W
-55 to +150 °C
V
mA
mW
DS30348 Rev. 2 - 2 1 of 5 DDC (xxxx) K
Page 2

Electrical Characteristics
TCUDORPWEN
Characteristic (DDC143TK & DDC114TK only) Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Emitter Cutoff Current
Collector-Emitter Saturation Voltage
DC Current Transfer Ratio
Input Resistor (R1) Tolerance
Gain-Bandwidth Product*
@ TA= 25°C unless otherwise specified
BV
BV
BV
I
I
V
CE(sat)
h
DR
CBO
CEO
EBO
CBO
EBO
FE
f
T
50 ¾¾ V
50 ¾¾ V
5 ¾¾ V
¾¾0.5 mA
¾¾0.5 mA
¾¾0.3 V
100 250 600 ¾
-30 ¾ +30 %
1
¾ 250 ¾ MHz
IC/IB = 2.5mA / 0.25mA DDC143TK
IC/IB = 1mA / 0.1mA DDC114TK
IC = 1mA, VCE = 5V
= 10V, IE = -5mA, f = 100MHz
V
CE
Characteristic Symbol Min Typ Max Unit Test Condition
Input Voltage
Output Voltage
Input Current
Output Current
DC Current Gain
Input Resistor (R1) Tolerance
Resistance Ratio Tolerance
Gain-Bandwidth Product*
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
DDC124EK
DDC144EK
DDC114YK
DDC123JK
DDC114EK
V
V
V
I
R
l(off)
l(on)
O(on)
I
l
O(off)
G
DR
2/R1
f
T
l
1
0.5
0.5
0.3
0.5
0.5
¾
¾ 0.1
1.1
1.1
¾
¾
1.1
1.9
1.9
--
--
1.9
¾
3.0
3.0
1.4
1.1
3.0
0.3
V
V
0.36
0.18
¾¾
0.88
mA
3.6
0.88
¾¾0.5 mA
56
68
68
¾¾¾
80
30
-30 ¾ +30 %
-20 ¾ +20 %
¾ 250 ¾ MHz
V
= 5V, IO = 100mA
CC
V
= 0.3, IO = 5mA
O
= 0.3, IO = 2mA
V
O
VO = 0.3, IO = 1mA
VO = 0.3, IO = 5mA
VO = 0.3, IO = 10mA
I
= 10mA / 0.5mA
O/Il
= 10mA / 0.5mA
I
O/Il
I
= 5mA / 0.25mA
O/Il
= 5mA / 0.25mA
I
O/Il
= 10mA / 0.5mA
I
O/Il
VI = 5V
VCC = 50V, VI = 0V
VO = 5V, IO = 5mA
= 5V, IO = 5mA
V
O
V
= 5V, IO = 10mA
O
VO = 5V, IO = 10mA
= 5V, IO = 5mA
V
O
= 10V, IE = 5mA,
V
CE
f = 100MHz
* Transistor - For Reference Only
I
= 50mA
C
IC = 1mA
= 50mA
I
E
V
= 50V
CB
VEB = 4V
¾
¾
¾
DS30348 Rev. 2 - 2 2 of 5 DDC (xxxx) K
Page 3

Ordering Information
(Note 3)
TCUDORPWEN
Notes: 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device
DDC124EK-7
DDC144EK-7
DDC114YK-7
DDC123JK-7
DDC114EK-7
DDC143TK-7
DDC114TK-7
Packaging Shipping
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
SOT-26 3000/Tape & Reel
Marking Information
Date Code Key
Year 2002 2003 2004 2005 2006
Code
Month Jan Feb March Apr May Jun Jul
Code
NXX YM
NXX YM
NPRST
1234567
NXX = Product Type Marking Code
See Sheet 1 Diagrams
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
2007 2008 2009
UVW
Aug Sep Oct Nov Dec
89 OND
DS30348 Rev. 2 - 2 3 of 5 DDC (xxxx) K
Page 4

TCUDORPWEN
200
TYPICAL CURVES - DDC123JK
ONE SECTION
I/I =10
CB
D
P , POWER DISSIPATION (mW)
1000
100
150
100
50
0
-50
0 50 100 150
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Derating Curve
V = 10
CE
75°C
-25°C
25°C
pF
E
ITAN
APA
,
OB
0.1
75°C
-25°C
25°C
0.01
CE(SAT)
V , MAXIMUM COLLECTOR VOLTAGE (V)
0.001
10
20
0
I , COLLECTOR CURRENT (mA)
C
Fig. 2 V vs. I
30
CE(SAT)C
40
50
4
I = 0mA
E
3
2
1
FE
h , DC CURRENT GAIN (NORMALIZED)
10
1 10 100
I , COLLECTOR CURRENT (mA)
C
Fig. 3 DC Current Gain
75°C
10
25°C
-25°C
1
V = 5V
O
0.1
0
0
5
10
V , REVERSE BIAS VOLTAGE (V)
R
15
20
25
30
Fig. 4 Output Capacitance
V = 0.2
O
-25°C
1
75°C
in
0.01
C
I , COLLECTOR CURRENT (mA)
0.001
1
0
234
V , INPUT VOLTAGE (V)
in
5
67
89
10
V , INPUT VOLTAGE (V)
0.1
Fig. 5 Collector Current Vs. Input Voltage
25°C
01020304050
I , COLLECTOR CURRENT (mA)
C
Fig. 6 Input Voltage vs. Collector Current
DS30348 Rev. 2 - 2 4 of 5 DDC (xxxx) K
Page 5

TCUDORPWEN
200
TYPICAL CURVES - DDC114TK
ONE SECTION
I/I =10
CB
150
100
D
P , POWER DISSIPATION (mW)
1000
100
10
50
0.1
0.01
0
-50
0 50 100 150
T , AMBIENT TEMPERATURE (°C)
A
CE(SAT)
V , MAXIMUM COLLECTOR VOLTAGE (V)
0.001
10
0
I , COLLECTOR CURRENT (mA)
C
Fig. 1 Derating Curve
pF
E
ITAN
4
3
2
75°C
-25°C
25°C
V = 10
CE
75°C
-25°C
25°C
20
30
Fig. 2 V vs. I
CE(SAT)C
40
50
I = 0mA
E
APA
,
1
OB
FE
h , DC CURRENT GAIN (NORMALIZED)
1
1 10 100
75°C
I , COLLECTOR CURRENT (mA)
C
Fig. 3 DC Current Gain
25°C
0
0
5
V , REVERSE BIAS VOLTAGE (V)
10
R
15
20
25
30
Fig. 4 Output Capacitance
V = 0.2
O
10
-25°C
1
1
0.1
0.01
C
I , COLLECTOR CURRENT (mA)
V , INPUT VOLTAGE (V)
in
-25°C
75°C
25°C
0.001
01 2 3 4
V , INPUT VOLTAGE (V)
in
Fig. 5 Collector Current Vs. Input Voltage
5
67
89
10
1
01020304050
I , COLLECTOR CURRENT (mA)
C
Fig. 6 Input Voltage vs. Collector Current
DS30348 Rev. 2 - 2 5 of 5 DDC (xxxx) K