Diodes FMMT618 User Manual
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20V NPN SILICON LOW SATURATION TRANSISTOR IN SOT23
Features
• BV
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• R
• 625mW Power dissipation
• h
• Complementary NPN type: FMMT718
• Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
• Qualified to AEC-Q101 Standards for High Reliability
• PPAP capable (Note 4)
> 20V
CEO
= 2.5A Continuous Collector Current
C
= 50mΩ for a low equivalent On-Resistance
CE(SAT)
characterised up to 6A for high current gain hold up
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SOT23
Top View Device Symbol
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Mechanical Data
• Case: SOT23
• Case Material: molded plastic, “Green” molding compound
• UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish – Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
• Weight 0.008 grams (approximate)
Applications
• DC-DC Modules
• Gate driver
• LED driver
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Diodes Incorporated
FMMT618
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Top View
Pin-Out
Ordering Information (Note 5)
Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
FMMT618TA AEC-Q101 618 7 8 3,000
FMMT618QTA Automotive 618 7 8 3,000
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,"Green" and Lead-Free.
<1000ppm antimony compounds.
the same, except where specified.
5. For packaging details, go to our website at http://www.diodes.com
Marking Information
FMMT618
Document number: DS33111 Rev. 5 - 2
618
www.diodes.com
618 = Product Type Marking Code
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FMMT618
Maximum Ratings (@T
= +25°C, unless otherwise specified.)
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Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Peak Pulse Current
Base Current
V
CBO
V
CEO
V
EBO
I
C
I
CM
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B
20 V
20 V
7 V
2.5 A
6 A
500 mA
Thermal Characteristics (@T
= +25°C, unless otherwise specified.)
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Characteristic Symbol Value Unit
Power Dissipation (Note 6)
Power Dissipation (Note 7)
Thermal Resistance, Junction to Ambient (Note 6)
Thermal Resistance, Junction to Ambient (Note 7)
Thermal Resistance, Junction to Leads (Note 8)
Operating and Storage Temperature Range
Notes: 6. For a device surface mounted on 25mm X 25mm FR4 PCB with high coverage of single sided 1 oz copper, in still air conditions; the device is measured
when operating in a steady-state condition.
7. Same as note 6, except the device is measured at t ≤ 5 sec.
8. Thermal resistance from junction to solder-point (at the end of the collector lead).
P
P
R
R
R
T
J, TSTG
θJA
θJA
θJL
D
D
625 mW
806 mW
200
155
194
-55 to +150
°C/W
°C/W
°C/W
°C
FMMT618
Document number: DS33111 Rev. 5 - 2
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Thermal Characteristics and Derating information
220
T
200
180
160
140
120
100
80
60
40
20
0
100µ 1m 10m 100m 1 10 100 1k
Thermal Re si st a nce (° C / W )
=25°C
amb
D=0.5
D=0.2
D=0.05
Single Pulse
Pulse Width (s)
D=0.1
Max Powe r Di ssi pa tion (W)
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FMMT618
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0 25 50 75 100 125 150 175
Temperature (°C)
Transient Thermal Impedance
Derating Curve
100
Single Pulse
T
=25°C
amb
10
1
Maximum Power (W)
0.1
100µ 1m 10m 100m 1 10 100 1k
Pulse Width (s)
Puls e Power Dissipation
FMMT618
Document number: DS33111 Rev. 5 - 2
3 of 7
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October 2012
© Diodes Incorporated
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