Diodes DSS4540X - Manual

DSS4540X
Document number: DS31592 Rev. 2 - 2
1 of 4
www.diodes.com
December 2008
© Diodes Incorporated
DSS4540X
NEW PROD
UC
T
LOW V
CE(SAT)
NPN SURFACE MOUNT TRANSISTOR
Features
•
Complementary PNP Type Available (DSS5540X)
• Ultra Low Collector-Emitter Saturation Voltage
•
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
• Case:
SOT89-3L
• 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 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 4
•
Ordering Information: See Page 4
•
Weight: 0.072 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
6 V
Continuous Collector Current I
C
4 A
Repetitive Collector Current (Note 3) I
CRM
5 A
Peak Pulse Collector Current I
CM
10 A
Continuous Base Current I B
1 A
Peak Pulse Base Current I
BM
2 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 4) @ T
A
= 25°C P
D
0.9 W
Thermal Resistance, Junction to Ambient Air (Note 4) @ T A = 25°C R θJA 139 °C/W
Power Dissipation (Note 5) @ T
A
= 25°C P
D
2 W
Thermal Resistance, Junction to Ambient Air (Note 5) @ T
A
= 25°C R θJA 62.5 °C/W
Operating and Storage Temperature Range T
J
, T
STG
-55 to +150 °C
Notes: 1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
3. Operated under pulsed conditions: pulse width
≤ 10ms; duty cycle ≤ 0.2.
4. Device mounted on FR-4 PCB with minimum recommended pad layout.
5. Device mounted on FR-4 PCB with 1 inch
2 copper pad layout.
Top View Device Schematic Pin Out Configuration
4
3
2
1
C C
B
E
3
1
2,4
COLLECTOR
EMITTER
BASE
Please click here to visit our online spice models database.