Page 1
θ
θ
(BR)
(BR)
(BR)
)
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Features
• Epitaxial Planar Die Construction
• Ideally Suited for Automated Assembly Processes
• Ideal for Medium Power Switching or Amplification Applications
• Lead Free By Design/RoHS Compliant (Note 1)
• "Green" Device (Note 2)
Maximum Ratings @T
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Peak Pulse Current
Continuous Collector Current
Top View
= 25°C unless otherwise specified
A
B
Device Schematic
LOW V
2DD2678
NPN SURFACE MOUNT TRANSISTOR
CE(SAT)
Mechanical Data
• Case: SOT89-3L
• Case Material: Molded Plastic, "Green” Molding Compound.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Finish — Matte Tin annealed over Copper leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.072 grams (approximate)
O
R
T
L
L
C
E
C
O
2,4
4
1
E
S
A
C
3
E
T
I
M
T
E
R
V
CBO
V
CEO
V
EBO
I
CM
I
C
O
T
Pin Out Configuration
3
E
2
C
1
B
W
E
I
V
P
15 V
12 V
6 V
6 A
3 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 3) @ TA = 25°C PD
Thermal Resistance, Junction to Ambient Air (Note 3) @ TA = 25°C
Power Dissipation (Note 4) @ TA = 25°C PD
Thermal Resistance, Junction to Ambient Air (Note 4) @ TA = 25°C
Operating and Storage Temperature Range
Electrical Characteristics @T
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage (Note 5)
Emitter-Base Breakdown Voltage
Collector Cut-Off Current
Emitter Cut-Off Current
ON CHARACTERISTICS (Note 5)
Collector-Emitter Saturation Voltage
DC Current Gain
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
Current Gain-Bandwidth Product
Notes: 1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
3. Device mounted on FR-4 PCB with minimum recommended pad layout.
4. Device mounted on FR-4 PCB with 1 inch
5. Measured under pulsed conditions. Pulse width = 300μs. Duty cycle ≤2%.
2DD2678
Document number: DS31637 Rev. 3 - 2
Characteristic Symbol Min Typ Max Unit Conditions
A
T
= 25°C unless otherwise specified
V
V
V
I
I
V
CE(SAT
C
2
copper pad layout.
CBO
EBO
h
FE
obo
f
T
CBO
CEO
EBO
15
12
6
⎯ ⎯
⎯ ⎯
⎯
270
⎯
⎯
1 of 4
www.diodes.com
R
JA
R
JA
, T
J
STG
-55 to +150 °C
⎯ ⎯
⎯ ⎯
⎯ ⎯
0.1
0.1
90 250 mV
⎯
26
170
680
⎯
⎯
0.9 W
139 °C/W
2 W
62.5 °C/W
V
I
= 10μA, IE = 0
C
V
I
= 1mA, IB = 0
C
V
I
= 10μA, IC = 0
E
μA
μA
= 15V, IE = 0
V
CB
= 6V, IC = 0
V
EB
IC = 1.5A, IB = 30mA
⎯ VCE = 2V, IC = 500mA
V
= 10V, IE = 0,
pF
MHz
CB
f = 1MHz
V
= 2V, IC = 100mA,
CE
f = 100MHz
© Diodes Incorporated
April 2010
Page 2
P, P
OWER
PATIO
N
C
O
CTO
R C
U
R
R
N
T
C CUR
RENT G
C
O
CTO
R
T
TER
2
T
T
R
TUR
N
O
N
O
TAG
T
T
R
T
U
R
T
O
OLTAG
2DD2678
2.0
2.5
(mW)
DISSI
D
1,000
AIN
100
FE
h, D
1.6
1.2
0.8
0.4
0
0
25 50
T , AMBIENT TEMPERATURE (°C)
A
75
Fig. 1 Power Dissipation vs.
Ambient Temp er ature
T = 150°C
A
T = 85°C
A
T = 25°C
A
T = -55°C
A
V = 2V
CE
100 125
150
2.0
(A)
I = 5mA
B
E
1.5
I = 4mA
B
I = 3mA
B
1.0
LLE
0.5
C
I,
I = 2mA
B
I = 1mA
B
0
01 2345
V , COLLECTOR-EMITTER VOLTAG E (V)
CE
Fig. 2 Typical Collector Current
vs. Collector-Emitter Voltage
1
I/I = 20
CB
-EMI
0.1
T = 150°C
T = 85°C
A
A
VOLTAGE (V)
LLE
T = -55°C
A
0.01
SATURATION
CE(SAT)
V,
T = 25°C
A
10
0.1 1 10 100 1,000 10,000
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical DC Current Gain vs. Collector Current
C
1.
V = 2V
E (V)
1.0
L
CE
V
0.8
-
T = -55°C
A
0.6
E
T = 25°C
A
0.4
T = 85°C
A
T = 150°C
A
0.2
BE(ON)
0
V , BASE-EMI
1 10 100 1,000 10,000
I , COLLECTOR CURRENT (mA)
C
Fig. 5 Typical Base-Emitter Turn-On Voltage
vs. Collector Current
0.001
0.1 1 10 100 1,000 10,000
I , COLLECTOR CURRENT (mA)
Fig. 4 Typical Collector-Emitter Saturation Voltage
C
vs. Collector Current
1.2
I = 20
/I
CB
E (V)
1.0
N V
0.8
I
T = -55°C
A
A
0.6
T = 25°C
A
SA
E
T = 85°C
A
0.4
T = 150°C
A
0.2
0
1 10 100 1,000 10,000
BE(SAT)
V , BASE-EMI
I , COLLECTOR CURRENT (mA)
C
Fig. 6 Typical Base-Emitter Saturation Voltage
vs. Collector Current
2DD2678
Document number: DS31637 Rev. 3 - 2
2 of 4
www.diodes.com
April 2010
© Diodes Incorporated
Page 3
C
PACIT
N
C
F
G
N
N
T
H P
R
O
UCT
H
1,000
f = 1MHz
1,000
z)
(M
)
100
D
E (p
100
A
A
C
ibo
DWID
10
-BA
AI
C
obo
10
0.1 1 10 100
V , REVERSE VOLTAGE (V)
R
Fig. 7 Typical Capacitance Characteristics
T
f,
1
0102030405060708090100
Ordering Information (Note 6)
Part Number Case Packaging
2DD2678-13 SOT89-3L 2500/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
V = 2V
CE
f = 100MHz
I , COLLECTOR CURRENT (mA)
C
Fig. 8 Typical Gain-Bandwidth Product
vs. Collector Current
2DD2678
Marking Information
YWW
2678
2678 = Product Type Marking Code
YWW = Date Code Marking
Y = Last digit of year (ex: 8 = 2008)
WW = Week code (01 – 53)
Package Outline Dimensions
D1
E
B1
B
8
°
e1
(
4
X
)
D
2DD2678
Document number: DS31637 Rev. 3 - 2
0
0
2
.
0
R
C
SOT89-3L
Dim Min Max
A 1.40 1.60
B 0.44 0.62
H
B1 0.35 0.54
C 0.35 0.43
L
e
D 4.40 4.60
D1 1.52 1.83
E 2.29 2.60
e 1.50 Typ
e1 3.00 Typ
A
H 3.94 4.25
L 0.89 1.20
All Dimensions in mm
3 of 4
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April 2010
© Diodes Incorporated
Page 4
2DD2678
Suggested Pad Layout
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorize d application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2010, Diodes Incorporated
www.diodes.com
Y3
Y
2DD2678
Document number: DS31637 Rev. 3 - 2
X (3x)
X1
X2 (2x)
Y2
Dimensions Value (in mm)
X 0.900
X1 1.733
X2 0.416
Y1
Y4
C
IMPORTANT NOTICE
LIFE SUPPORT
4 of 4
www.diodes.com
Y 1.300
Y1 4.600
Y2 1.475
Y3 0.950
Y4 1.125
C 1.500
April 2010
© Diodes Incorporated
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