DS30328 Rev. 6 - 2
1 of 3
www.diodes.com
DDTA (R2-ONLY SERIES) UA
© Diodes Incorporated
DDTA (R2-ONLY SERIES) UA
PNP PRE-BIASED SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
NEW PRODUCT
• Epitaxial Planar Die Construction
• Complementary NPN Types Available (DDTC)
• Built-In Biasing Resistor, R2 only
• Lead Free/RoHS Compliant (Note 2)
• "Green" Device, (Note 3 and 4)
Mechanical Data
• Case: SOT-323
• Case Material: Molded Plastic, "Green" Molding
Compound, Note 4. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020C
• Terminal Connections: See Diagram
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).
• Marking: Date Code and Type Code, See Page 3
• Type Code: See Table Below
• Ordering Information: See Page 3
• Weight: 0.006 grams (approximate)
P/N R2 (NOM) Type Code
DDTA114GUA
DDTA124GUA
DDTA144GUA
DDTA115GUA
10KΩ
22KΩ
47KΩ
100KΩ
P26
P27
P28
P29
SOT-323
Dim Min Max
A 0.25 0.40
B 1.15 1.35
C 2.00 2.20
D 0.65 Nominal
E 0.30 0.40
G 1.20 1.40
H 1.80 2.20
J 0.0 0.10
K 0.90 1.00
L 0.25 0.40
M 0.10 0.18
α
0° 8°
All Dimens mm ions in
A
M
J
L
ED
Maximum Ratings @T
A
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage
V
CBO
-50 V
Collector-Emitter Voltage
V
CEO
-50 V
Emitter-Base Voltage
V
EBO
-5 V
Collector Current
I
C
(Max)
-100 mA
Power Dissipation
P
d
200 mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
θ
JA
625
°C/W
Operating and Storage Temperature Range
T
j
, T
STG
-55 to +150
°C
Notes: 1. Mounted on FR4 PC Board with recommended pad layout as shown on Diodes Inc., suggested pad layout document AP02001, which can be found on
our website at http://www.diodes.com/datasheets/ap02001.pdf
2. No purposefully added lead.
3. Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
B
R
2
SCHEMATIC DIAGRAM
E
B
C
H
K
G
B
E
C
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