DXTA42
NPN SURFACE MOUNT TRANSISTOR
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Features
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Epitaxial Planar Die Construction
Complementary PNP Type Available (DXTA92)
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)
Mechanical Data
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Case: SOT89-3L
Case Material: Molded Plastic, "Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Finish — Matte Tin annealed over Copper leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Marking & Type Code Information: See Page 3
Ordering Information: See Page 3
Weight: 54.8mg (approximate)
COLLECTOR
2,4
3 E
C 4
2 C
1 B
TOP VIEW
Top View
Device Schematic
1
BASE
3
EMITTER
Pin Out Configuration
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Symbol
V
CBO
V
CEO
V
EBO
I
C
Value
300
300
6
500
Unit
V
V
V
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 3) @ T
A
= 25°C
Thermal Resistance, Junction to Ambient (Note 3)
Operating and Storage Temperature Range
Symbol
P
D
R
θ
JA
T
J
, T
STG
Value
1
125
-55 to +150
Unit
W
°C/W
°C
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Characteristic
OFF CHARACTERISTICS (Note 4)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cut-off Current
Emitter Cut-off Current
ON CHARACTERISTICS (Note 4)
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Static Forward Current Transfer Ratio
SMALL SIGNAL CHARACTERISTICS
Transition Frequency
Output Capacitance
Notes:
1.
2.
3.
4.
Symbol
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
EBO
V
CE(SAT)
V
BE(SAT)
h
FE
Min
300
300
6
⎯
⎯
⎯
⎯
25
40
40
50
⎯
Typ
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Max
⎯
⎯
⎯
0.1
0.1
0.5
0.9
⎯
Unit
V
V
V
μA
μA
V
V
⎯
Test Conditions
I
C
= 100μA, I
E
= 0
I
C
= 1mA, I
B
= 0
I
E
= 100μA, I
C
= 0
V
CB
= 200V, I
E
= 0
V
EB
= 6V, I
C
= 0
I
C
= 20mA, I
B
= 2mA
I
C
= 20mA, I
B
= 2mA
I
C
= 1mA, V
CE
= 10V
I
C
= 10mA, V
CE
= 10V
I
C
= 30mA, V
CE
= 10V
I
C
= 10mA, V
CE
= 20V,
f = 100MHz
V
CB
= 20V, f = 1MHz
f
T
C
obo
⎯
⎯
⎯
3
MHz
pF
No purposefully added lead.
Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
Device mounted on FR-4 PCB; pad layout as shown on page 4 or in Diodes Inc. suggested pad layout document AP02001, which can
be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
Measured under pulsed conditions. Pulse width = 300μs. Duty cycle
≤
2%.
DXTA42
Document number: DS31158 Rev. 4 - 2
1 of 4
www.diodes.com
December 2009
© Diodes Incorporated
DXTA42
Suggested Pad Layout
X1
Y1
X3
Y3
X2
Y2
Dimensions Value (in mm)
X1
1.7
X2
0.9
X3
0.4
Y1
2.7
Y2
1.3
Y3
1.9
C
3.0
C
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(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
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application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
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indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
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LIFE SUPPORT
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 © 2009, Diodes Incorporated
www.diodes.com
DXTA42
Document number: DS31158 Rev. 4 - 2
4 of 4
www.diodes.com
December 2009
© Diodes Incorporated
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