A Product Line of
Diodes Incorporated
FMMT491Q
60V NPN MEDIUM POWER TRANSISTOR IN SOT23
Description
This Bipolar Junction Transistor (BJT) has been designed to meet the
stringent requirements of Automotive Applications.
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)
Feature
•
•
•
•
•
•
•
•
•
•
•
BV
CEO
> 60V
I
C
= 1A Continuous Collector Current
I
CM
= 2A Peak Pulse Current
R
CE(sat)
= 195mΩ for a low equivalent On-Resistance
500mW Power Dissipation
h
FE
characterised up to 2A for high current gain hold up
Complementary PNP Type: FMMT591Q
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)
SOT23
C
E
C
B
Top View
Pin-Out
B
E
Top View
Device Symbol
Ordering Information
(Notes 4 & 5)
Part Number
FMMT491QTA
FMMT491QTC
Notes:
Compliance
Automotive
Automotive
Marking
491
491
Reel size (inches)
7
13
Tape width (mm)
8
8
Quantity per reel
3,000
10,000
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally the
same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
491
491 = Product Type Marking Code
FMMT491Q
Document number: DS37009 Rev. 1 - 2
1 of 7
www.diodes.com
March 2014
© Diodes Incorporated
A Product Line of
Diodes Incorporated
FMMT491Q
Absolute Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Peak Pulse Current
Base Current
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
Value
80
60
7
1
2
200
Unit
V
V
V
A
A
mA
Thermal Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Power Dissipation (Note 6)
Thermal Resistance, Junction to Ambient (Note 6)
Thermal Resistance, Junction to Lead (Note 7)
Operating and Storage Temperature Range
Symbol
P
D
R
θ
JA
R
θ
JL
T
J,
T
STG
Value
500
250
197
-55 to +150
Unit
mW
°C/W
°C/W
°C
ESD Ratings
(Note 8)
Characteristic
Electrostatic Discharge - Human Body Model
Electrostatic Discharge - Machine Model
Notes:
Symbol
ESD HBM
ESD MM
Value
4,000
400
Unit
V
V
JEDEC Class
3A
C
6. For a device mounted with the collector lead on 15mm x 15mm 1oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured under still air
conditions whilst operating in a steady-state.
7. Thermal resistance from junction to solder-point (at the end of the collector lead).
8. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
FMMT491Q
Document number: DS37009 Rev. 1 - 2
2 of 7
www.diodes.com
March 2014
© Diodes Incorporated
A Product Line of
Diodes Incorporated
FMMT491Q
Thermal Characteristics and Derating Information
0.6
240
200
160
120
80
40
0
100µ
1m
10m 100m
D=0.2
D=0.1
Single Pulse
D=0.05
D=0.5
Thermal Resistance (°C/W)
Max Power Dissipation (W)
15 x 15mm FR4 1oz Copper
0.5
0.4
0.3
0.2
0.1
0.0
0
20
40
15 x 15mm FR4 1oz Copper
Pulse Width (s)
1
10
100
1k
Temperature (°C)
60
80
100 120 140 160
Transient Thermal Impedance
Derating Curve
Max Power Dissipation (W)
15 x 15mm FR4 1oz Copper
100
10
1
0.1
100µ
1m
10m 100m
Pulse Width (s)
1
10
100
1k
Pulse Power Dissipation
FMMT491Q
Document number: DS37009 Rev. 1 - 2
3 of 7
www.diodes.com
March 2014
© Diodes Incorporated
A Product Line of
Diodes Incorporated
FMMT491Q
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage (Note 9)
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Emitter Cutoff Current
Collector Emitter Cutoff Current
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
I
CES
Min
80
60
7
—
—
—
100
Static Forward Current Transfer Ratio (Note 9)
h
FE
100
80
30
Collector-Emitter Saturation Voltage (Note 9)
Base-Emitter Turn-On Voltage(Note 9)
Base-Emitter Saturation Voltage(Note 9)
Output Capacitance
Transition Frequency
Note:
Typ
—
—
8.1
<1
<1
<1
140
150
120
40
100
160
830
965
—
—
Max
—
—
—
100
100
100
—
300
—
—
150
250
1000
1100
10
—
Unit
V
V
V
nA
nA
nA
Test Condition
I
C
= 100µA
I
C
= 10mA
I
E
= 100µA
V
CB
= 60V
V
EB
= 5.6V
V
CE
= 60V, V
CES
= 60V
I
C
= 1mA, V
CE
= 5V
I
C
= 500mA, V
CE
= 5V
I
C
= 1A, V
CE
= 5V
I
C
= 2A, V
CE
= 5V
I
C
= 500mA, I
B
= 50mA
I
C
= 1A, I
B
= 100mA
I
C
= 1A, V
CE
= 5V
I
C
= 1A, I
B
= 100mA
V
CB
= 10V, f = 1MHz
V
CE
= 10V, I
C
= 50mA,
f = 100MHz
—
V
CE(sat)
V
BE(on)
V
BE(sat)
C
obo
f
T
—
—
—
—
—
150
V
mV
mV
pF
MHz
9. Measured under pulsed conditions. Pulse width
≤
300µs. Duty cycle
≤
2%.
FMMT491Q
Document number: DS37009 Rev. 1 - 2
4 of 7
www.diodes.com
March 2014
© Diodes Incorporated
A Product Line of
Diodes Incorporated
FMMT491Q
Typical Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
1
Tamb=25°C
I
C
/I
B
=100
0.7
0.6
0.5
I
C
/I
B
=10
150°C
100°C
V
CE(SAT)
(V)
V
CE(SAT)
(V)
100m
I
C
/I
B
=50
0.4
0.3
0.2
0.1
25°C
-55°C
10m
1m
I
C
/I
B
=10
10m
I
C
Collector Current (A)
100m
1
10
0.0
10m
I
C
Collector Current (A)
100m
1
V
CE(SAT)
v I
C
1.6
1.4
150°C
V
CE
=5V
300
V
CE(SAT)
v I
C
1.2
I
C
/I
B
=10
1.0
25°C
-55°C
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1m
200
150
100
50
V
BE(SAT)
(V)
100°C
25°C
-55°C
Typical Gain (h
FE
)
Normalised Gain
250
0.8
0.6
0.4
1m
10m
150°C
100°C
I
C
Collector Current (A)
10m
100m
1
0
I
C
Collector Current (A)
100m
1
h
FE
v I
C
1.2
V
CE
=5V
-55°C
25°C
V
BE(SAT)
v I
C
1.0
V
BE(ON)
(V)
0.8
0.6
100°C
0.4
0.2
1m
10m
100m
150°C
I
C
Collector Current (A)
1
V
BE(ON)
v I
C
FMMT491Q
Document number: DS37009 Rev. 1 - 2
5 of 7
www.diodes.com
March 2014
© Diodes Incorporated
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