
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° 8°
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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