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FMMT491ATA

P1-P3P4-P6P7-P7
FMMT491A
Document number: DS33092 Rev. 4 - 2
1 of 7
www.diodes.com
October 2012
© Diodes Incorporated
FMMT491A
A
Product Line o
f
Diodes Incorporated
40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23
Feature
• BV
CEO
> 40V
• 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
• 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)
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)
Ordering Information (Notes 4 & 5)
Part Number Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
FMMT491ATA AEC-Q101 41A 7 8 3,000
FMMT491ATC AEC-Q101 41A 13 8 10,000
FMMT491AQTA Automotive 41A 7 8 3,000
FMMT491AQTC Automotive 41A 13 8 10,000
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com 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.
5. For packaging details, go to our website at http://www.diodes.com
Marking Information
41A = Product Type Marking Code
SOT23
Top View
Pin-Out
Top View Device Symbol
C
E
B
C
E
B
491
41A
FMMT491A
Document number: DS33092 Rev. 4 - 2
2 of 7
www.diodes.com
October 2012
© Diodes Incorporated
FMMT491A
A
Product Line o
f
Diodes Incorporated
Maximum Ratings (@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Collector-Base Voltage
V
CBO
40 V
Collector-Emitter Voltage
V
CEO
40 V
Emitter-Base Voltage
V
EBO
7 V
Continuous Collector Current
I
C
1 A
Peak Pulse Current
I
CM
2 A
Base Current
I
B
200 mA
Thermal Characteristics (@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Power Dissipation (Note 6)
P
D
500 mW
Thermal Resistance, Junction to Ambient (Note 6)
R
θ
JA
250
°C/W
Thermal Resistance, Junction to Lead (Note 7)
R
θ
JL
197
°C/W
Operating and Storage Temperature Range
T
J,
T
STG
-55 to +150
°C
ESD Ratings (Note 8)
Characteristic Symbol Value Unit JEDEC Class
Electrostatic Discharge - Human Body Model ESD HBM ≥ 8,000 V 3B
Electrostatic Discharge - Machine Model ESD MM ≥ 400 V C
Notes: 6. For a device surface mounted on 15mm X 15mm 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. Thermal resistance from junction to solder-point (at the end of the collector lead).
8. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
FMMT491A
Document number: DS33092 Rev. 4 - 2
3 of 7
www.diodes.com
October 2012
© Diodes Incorporated
FMMT491A
A
Product Line o
f
Diodes Incorporated
Thermal Characteristics and Derating Information
1 10 100
1m
10m
100m
1
15 x 15mm FR4
1oz Copper
V
CE(sat)
Limit
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
-I
C
Collector Current (A)
-V
CE
Collector-Emitter Voltage (V)
0 20 40 60 80 100 120 140 160
0.0
0.1
0.2
0.3
0.4
0.5
0.6
15 x 15mm FR4 1oz Copper
Derating Curve
Temperature (°C)
Max Power Dissipation (W)
100µ 1m 10m 100m 1 10 100 1k
0
40
80
120
160
200
240
15 x 15mm FR4 1oz Copper
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
Thermal Resistance (°C/W)
Pulse Width (s)
100µ 1m 10m 100m 1 10 100 1k
0.1
1
10
100
15 x 15mm FR4 1oz Copper
Pulse Power Dissipation
Pulse Width (s)
Max Power Dissipation (W)
P1-P3P4-P6P7-P7

FMMT491ATA

Mfr. #:
Buy FMMT491ATA
Manufacturer:
Diodes Incorporated
Description:
Bipolar Transistors - BJT NPN Medium Power
Lifecycle:
New from this manufacturer.
Delivery:
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