Diodes DSS4140U User Manual
Dss4140u new prod uc t, Features, Mechanical data
DSS4140U
Document number: DS31689 Rev. 2 - 2
1 of 5
March 2009
© Diodes Incorporated
DSS4140U
NEW PROD
UC
T
LOW V
NPN SURFACE MOUNT TRANSISTOR
Features
•
Epitaxial Planar Die Construction
•
Low Collector-Emitter Saturation Voltage
•
Low Collector-Emitter Saturation Voltage, V
CE(SAT)
•
Complementary PNP Type Available (DSS5140U)
•
Ultra-Small Surface Mount Package
•
Lead Free By Design/RoHS Compliant (Note 1)
•
"Green Device" (Note 2)
Mechanical Data
• Case:
SOT-323
•
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 Plated
Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208
•
Terminal Connections: See Diagram
•
Marking Information: See Page 4
•
Ordering Information: See Page 4
•
Weight: 0.006 grams (approximate)
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic Symbol
Value
Unit
Collector-Base Voltage
V
CBO
40 V
Collector-Emitter Voltage
V
CEO
40 V
Emitter-Base Voltage
V
EBO
5 V
Collector Current - Continuous
I
C
1 A
Peak Pulse Collector Current
I
CM
2 A
Peak Base Current
I
BM
1 A
Thermal Characteristics
Characteristic Symbol
Value
Unit
Power Dissipation (Note 3) @ T
A
= 25
°C P
D
400 mW
Thermal Resistance, Junction to Ambient (Note 3) @ T
A
= 25
°C
R
θJA
313
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-55 to +150
°C
Notes:
1. No purposefully added lead.
2. Diode’s Inc.’s “Green” policy can be found on our website at3. Device mounted on FR-4 PCB with minimum recommended pad layout.
Top View
Device Schematic
E
B
C