DDA (LO-R1) U
PNP PRE-BIASED SMALL SIGNAL DUAL SURFACE MOUNT TRANSISTOR
Features
Epitaxial Planar Die Construction
Complementary NPN Types Available (DDC)
Built-In Biasing Resistors
Lead-Free/RoHS Compliant (Note 3)
"Green" Device (Note 4 and 5)
Mechanical Data
Case: SOT-363
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 Solderable per
MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).
Terminal Connections: See Diagram
Marking Information: See Page 3
Type Code: See Table Below
Ordering Information: See Page 3
Weight: 0.0058 grams (approximate)
P/N R1 (NOM) R2 (NOM) Type Code
DDA122LU
DDA142JU
DDA122TU
DDA142TU
0.22K
0.47K
0.22K
0.47K
10K
10K
OPEN
OPEN
P81
P82
P83
P84
SOT-363
Dim Min Max
A 0.10 0.30
B 1.15 1.35
C 2.00 2.20
D 0.65 Nominal
F 0.30 0.40
H 1.80 2.20
J 0.10
K 0.90 1.00
L 0.25 0.40
M 0.10 0.25
α 0°
All Dimensions in mm
A
M
JL
D
BC
H
K
F
R
1
R
1
R
2
654
3
2
1
R
2
R
1
R
1
654
32
1
R1, R2R1 Only
SCHEMATIC DIAGRAM
Maximum Ratings NPN Section @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Supply Voltage (1) to (6) and (4) to (3) VCC -50 V
Input Voltage (1) to (2) and (4) to (5) DDA122LU
DDA142JU VIN +5 to -6
+5 to -6 V
Input Voltage (1) to (2) and (4) to (5) DDA122TU
DDA142TU VEBO (MAX) -5 V
Output Current All IC-100 mA
Power Dissipation (Note 2) Pd200 mW
Thermal Resistance, Junction to Ambient Air (Note 2) RθJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -55 to +150 °C
Notes: 1. Mounted on FR4 PC Board with recommended pad layout at http://www.diodes.com/datasheets/ap02001.pdf.
2. 150mW per element must not be exceeded.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30423 Rev. 7 - 2
1 of 3
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DDA (LO-R1) U
© Diodes Incorporated
Electrical Characteristics @TA = 25°C unless otherwise specified R1, R2 Types
Characteristic Symbol Min Typ Max Unit Test Condition
DDA122LU
DDA142JU Vl(off)
-0.3
-0.3 V VCC = -5V, IO = -100μA
Input Voltage
DDA122LU
DDA142JU Vl(on) -2.0
-2.0 V VO = -0.3V, IO = -20mA
VO = -0.3V, IO = -20mA
Output Voltage VO(on) -0.3V V IO/Il = -5mA/-0.25mA
Input Current DDA122LU
DDA142JU Il -28
-13 mA VI = -5V
Output Current IO(off) -0.5 μA VCC = -50V, VI = 0V
DC Current Gain DDA122LU
DDA142JU Gl
56
56 VO = -5V, IO = -10mA
Gain-Bandwidth Product* fT 200 MHz VCE = -10V, IE = -5mA, f = 100MHz
* Transistor - For Reference Only
Electrical Characteristics @TA = 25°C unless otherwise specified R1 Only Types
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage BVCBO -50 V IC = -50μA
Collector-Emitter Breakdown Voltage BVCEO -40 V IC = -1mA
Emitter-Base Breakdown Voltage DDA122TU
DDA142TU BVEBO -5 V IE = -50μA
IE = -50μA
Collector Cutoff Current ICBO -0.5 μA VCB = -50V
Emitter Cutoff Current DDA122TU
DDA142TU IEBO
-0.5
-0.5 μA VEB = -4V
Collector-Emitter Saturation Voltage VCE(sat) -0.3 V IC = -5mA, IB = -0.25mA
DC Current Transfer Ratio DDA122TU
DDA142TU hFE
100
100
250
250
600
600 IC = -1mA, VCE = -5V
Gain-Bandwidth Product* fT 200 MHz VCE = -10V, IE = 5mA, f = 100MHz
* Transistor - For Reference Only
-50 050100
250
200
150
50
100
0
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
(150mW per element must not be exceeded)
A
°
150
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
d
R = 625
θ
JA
°
C/W
DS30423 Rev. 7 - 2
2 of 3
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DDA (LO-R1) U
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Ordering Information (Note 6)
Device Packaging Shipping
DDA122LU-7-F SOT-363 3000/Tape & Reel
DDA142JU-7-F SOT-363 3000/Tape & Reel
DDA122TU-7-F SOT-363 3000/Tape & Reel
DDA142TU-7-F SOT-363 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
PXX YM
PXX YM
Pxx = Product Type Marking Code
See Page 1 Diagrams
YM = Date Code Marking
Y = Year ex: T = 2006
M = Month ex: 9 = September
Date Code Key
Year 2006 2007 2008 2009 2010 2011 2012
Code T U V W X Y Z
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
DS30423 Rev. 7 - 2
3 of 3
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DDA (LO-R1) U
© Diodes Incorporated