MMBT5551
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
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Features
Mechanical Data
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Epitaxial Planar Die Construction
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Case: SOT-23
Complementary PNP Type Available (MMBT5401)
Ideal for Low Power Amplification and Switching
Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 2 and 3)
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminal Connections: See Diagram
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
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Marking Information: See Page 3
Ordering Information: See Page 3
Weight: 0.008 grams (approximate)
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Device Schematic
B
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Collector-Base Voltage
Symbol
VCBO
VCEO
VEBO
IC
Value
180
160
6.0
Unit
V
Collector-Emitter Voltage
V
Emitter-Base Voltage
V
Collector Current - Continuous (Note 1)
600
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Symbol
PD
Value
300
Unit
mW
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
417
°C/W
°C
Rθ
TJ, TSTG
JA
-55 to +150
Notes:
1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; 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. Halogen and Antimony Free.
3. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
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www.diodes.com
August 2008
© Diodes Incorporated
MMBT5551
Document number: DS30061 Rev. 11 - 2