FMMT618
Document number: DS33111 Rev. 5 - 2 1 of 6
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FMMT618
20V NPN SILICON LOW SATURATIO N TRA NSISTO R IN SOT- 23
Features
• V
CEO = 20V
• I
C = 2.5A
• 625mW Power dissipation
• Low Equivalent On Resistance
• Low Saturation Voltage
• h
FE characterised up to 6.0A
• “Lead Free”, RoHS Compliant (Note 1)
• Halogen and Antimony Free, “Green” Devices (Note 2)
Mechanical Data
• Case: SOT-23
• Case material: “Green” molding Compound. (Note 2)
• UL Flammability Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Matte Tin Finish
• Weight: 0.008 grams (Approximate)
Applications
• DC-DC Modules
• Gate driver
• LED driver
Ordering Information (Note 3)
Product Marking Reel size (inches) Tape width (mm) Quantity per reel
FMMT618TA 618 7 8mm embossed 3000 units
Notes: 1. No purposefully added lead.
2. Devices with the PID number starting from PID0155145 are ‘Green’ products. Halogen and Antimony Free. Diodes Inc.‘s “Green” Policy can be found on
our website at https://www .diodes.com/
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
618 = Product Type Marking Code
SOT-23 Device Symbol Top View
Pin Configuration
618
FMMT618
Document number: DS33111 Rev. 5 - 2 2 of 6
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FMMT618
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO 20 V
Collector-Emitter Voltage VCEO 20 V
Emitter-Base Voltage VEBO 5 V
Continuous Collector Current IC 2.5 A
Peak Pulse Current (Note 4) ICM 6 A
Base Current IB 500 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation at TA = 25°C (Note 5) PD625 mW
Thermal Resistance, Junction to Ambient Air (Note 4) @ TA = 25°C R
θ
JA 200 °C/W
Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C
Notes: 4. Measured under pulsed conditions. Pulse width = 300µs. Duty cycle ≤ 2%.
5. For a device surface mounted on 25mm X 25mm FR4 PCB with high coverage of single sided 1 oz copper, in still air conditions.
Thermal Characteristics and Derating information
FMMT618
Document number: DS33111 Rev. 5 - 2 3 of 6
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FMMT618
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage V
(
BR
)
CBO 20 100 - V
IC = 100µA
Collector-Emitter Breakdown Voltage (Note 6) V
(
BR
)
CEO 20 27 - V
IC = 10mA
Emitter-Base Breakdown Voltage V
(
BR
)
EBO 5 8.3 - V
IE = 100µA
Collector Cut-off Current ICBO - - 100 nA
VCB =16V
Emitter Cut-off Current IEBO - - 100 nA
VEB = 4V
Collector Emitter Cut-off Current ICES - - 100 nA
VCES =16V
Static Forward Current Transfer Ratio (Note 6) hFE
200
300
200
100
400
450
360
180
-
-
-
- -
IC = 10mA, VCE = 2V
IC = 200mA, VCE = 2V
IC = 2A, VCE = 2V
IC = 6A, VCE = 2V
Collector-Emitter Saturation Voltage (Note 6) VCE(sat) -
-
-
8
70
130
15
150
200 mV IC =0.1A, IB = 10mA
IC =1A, IB = 10mA
IC =2.5A, IB = 50mA
Base-Emitter Saturation Voltage (Note 6) VBE
(
sat
)
- 0.89 1.0 V
IC =2.5A, IB = 50mA
Base-Emitter Saturation Voltage (Note 6) VBE
(
on
)
- 0.79 1.0 V
IC =2.5A, VCE = 2V
Transition Frequency fT 100 140 - MHz
IC = 50mA, VCE = 10V,
f=100MHz
Collector Output Capacitance Cobo - 23 30 pF
VCB = 10V, f=1MHz
Turn-On Time t
(
on
)
- 170 - ns
VCC = 10V, IC = 1A,
IB1 = -IB2 = 10mA
Turn-Off Time t
(
off
)
- 400 - ns
Notes: 6. Measured under pulsed conditions. Pulse width = 300µs. Duty cycle ≤ 2%
FMMT618
Document number: DS33111 Rev. 5 - 2 5 of 6
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FMMT618
Package Outline Dimensions
E
e
L
e1
D
A
c
E1
L1
A1
b
3leads
Dim. Millimeters Inches Dim. Millimeters Inches
Min. Max. Min. Max. Min. Max. Min. Max.
A - 1.12 - 0.044 e1 1.90 NOM 0.075 NOM
A1 0.01 0.10 0.0004 0.004 E 2.10 2.64 0.083 0.104
b 0.30 0.50 0.012 0.020 E1 1.20 1.40 0.047 0.055
c 0.085 0.20 0.003 0.008 L 0.25 0.60 0.0098 0.0236
D 2.80 3.04 0.110 0.120 L1 0.45 0.62 0.018 0.024
e 0.95 NOM 0.037 NOM - - - - -
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
Suggested Pad Layout
mm
inches
0.8
0.031
0.9
0.035
0.95
0.037
2.0
0.079
FMMT618
Document number: DS33111 Rev. 5 - 2 6 of 6
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FMMT618
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