Diodes MMST6427 User Manual
Features
• 40V Darlington Transistor
• Epitaxial Planar Die Construction
• Ideal for Low Power Amplification and Switching
• High Current Gain
• Ultra-Small Surface Mount Package
• Lead Free, RoHS Compliant (Note 1)
• Halogen and Antimony Free "Green" Device (Note 2)
Top View
NPN SURFACE MOUNT DARLINGTON TRANSISTOR
Mechanical Data
• Case: SOT-323
• Case Material: Molded Plastic, "Green" Molding Compound,
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
• Weight: 0.006 grams (approximate)
Device symbol
MMST6427
Note 4. UL Flammability Classification Rating 94V-0
leadframe).
Pin-out Top view
Ordering Information (Note 3)
Product Marking Reel size (inches) Tape width (mm) Quantity per reel
MMST6427-7-F K1D 7 8 3,000
Notes: 1. No purposefully added lead.
2. Diodes Inc.`s “Green” Policy can be found on our website at http://www.diodes.com
3. For Packaging Details, go to our website at http://www.diodes.com.
Marking Information
Date Code Key
Year 2010 2011 2012 2013 2014 2015
Code X Y Z A B C
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
MMST6427
Document number: DS30166 Rev. 11 - 2
K1D
YM
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K1D= Product Type Marking Code
YM = Date Code Marking
Y = Year ex: X = 2010
M = Month ex: 9 = September
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August 2011
© Diodes Incorporated
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MMST6427
Maximum Ratings @T
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous (Note 4)
Power Dissipation (Note 4)
Thermal Resistance, Junction to Ambient (Note 4)
Operating and Storage Temperature Range
V
V
V
R
Tj, T
CBO
CEO
EBO
IC
Pd
JA
STG
40 V
40 V
12 V
500 mA
200 mW
625
-55 to +150
°C/W
°C
Electrical Characteristics @T
OFF CHARACTERISTICS (Note 5)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Collector Cutoff Current
Emitter Cutoff Current
ON CHARACTERISTICS (Note 5)
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter On Voltage
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
Input Capacitance
Notes: 4. Device mounted on 25mm x 22 mm x 1.6mm FR4 PCB, 1oz copper, singled sided
5. Short duration pulse test used to minimize self-heating effect.
MMST6427
Document number: DS30166 Rev. 11 - 2
Characteristic Symbol Min Max Unit Test Condition
= 25°C unless otherwise specified
A
BV
CBO
BV
CEO
BV
EBO
I
⎯
CBO
I
CEO
I
EBO
hFE
V
⎯
CE(sat)
V
⎯
BE(sat
V
⎯
BE(on
C
obo
C
ibo
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40
40
12
⎯
⎯
⎯
50 nA
⎯
⎯
10,000
20,000
14,000
1.0
50 nA
100,000
200,000
140,000
1.2
1.5
2.0 V
1.75 V
8.0 Typical pF
15 Typical pF
V
IC = 100μA, IE = 0
V
IC = 10mA, IB = 0
V
IE = 10μA, IC = 0
VCB = 30V, IE = 0
μA
V
= 25V, IB = 0
CE
V
= 10V, IC = 0
EB
IC = 10mA, VCE = 5.0V
⎯
IC = 100mA, V
CE
IC = 500mA, VCE = 5.0V
IC = 50mA, IB = 0.5mA
V
IC = 500mA, IB = 0.5mA
IC = 500mA, IB = 0.5mA
IC = 50mA, VCE =5.0V
VCB = 10V, f = 1.0MHz, IE = 0
VEB = 0.5V, f = 1.0MHz, IC = 0
= 5.0V
August 2011
© Diodes Incorporated
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