FCX491A
Datasheet Number: DS33055 Rev. 5 - 2 1 of 7
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40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT89
Features
• BVCEO > 40V
• I
C = 1A high Continuous Current
• Low saturation voltage VCE(sat) < 500mV @ 1A
• Complementary PNP type: FCX591A
• 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)
Applications
• Power MOSFET gate driving
• Low loss power switching
Mechanical Data
• Case: SOT89
• Case material: molded plastic. “Green” molding compound.
• UL Flammability 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: 0.05 grams (Approximate)
Ordering Information (Notes 4 & 5)
Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
FCX491ATA AEC-Q101 N2 7 12 1,000
FCX491AQTA Automotive N2 7 12 1,000
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
N2
N2 = Product Type Marking Code
Top View Device Symbol Top View
Pin Out
SOT89
C
E
C
B
C
E
B
FCX491A
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Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO 40 V
Collector-Emitter Voltage VCEO 40 V
Emitter-Base Voltage VEBO 7 V
Continuous Collector Current IC 1 A
Peak Pulse Current ICM 2 A
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Power Dissipation (Note 6) PD1 W
Thermal Resistance, Junction to Ambient Air (Note 6) RθJA 125 °C/W
Thermal Resistance, Junction to Leads (Note 7) RθJL 10.01 °C/W
Operating and Storage Temperature Range TJ,TSTG -65 to +150 °C
ESD Ratings (Note 8)
Characteristic Symbol Value Unit JEDEC Class
Electrostatic Discharge - Human Body Model ESD HBM 4,000 V 3A
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; device measured when
operating in steady state condition.
7. Thermal resistance from junctio n to solder-point (on the exposed collector pad).
8. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
FCX491A
Datasheet Number: DS33055 Rev. 5 - 2 3 of 7
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Thermal Characteristics and Derating Information
0 25 50 75 100 125 150
0.0
0.2
0.4
0.6
0.8
1.0
D era t in g C urve
Temperature (°C)
Max Power Dissipation (W)
100µ 1m 10m 100m 1 10 100 1k
0
20
40
60
80
100
120
Transient Therm al Imped ance
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
1
10
100 Single Pulse. Tamb=25°C
Pulse Power Dissipation
Pulse Width (s)
Max Powe r Di ssipation (W)
FCX491A
Datasheet Number: DS33055 Rev. 5 - 2 4 of 7
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Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage BVCBO 40 - - V
IC = 100µA
Collector-Emitter Breakdown Voltage (Note 9) BVCEO 40 - - V
IC = 10mA
Emitter-Base Breakdown Voltage BVEBO 7 - - V
IE = 100µA
Collector Cutoff Current ICBO - - 100 nA
VCB = 30V
Emitter Cutoff Current IEBO - - 100 nA
VEB = 4V
Emitter Cutoff Current ICES - - 100 nA
VCE = 30V
DC current transfer Static ratio (Note 9) hFE
300
300
200
35
-
-
-
-
-
900
-
-
-
IC = 1mA, VCE = 5V
IC = 500mA, VCE = 5V
IC = 1A, VCE = 5V
IC = 2A, VCE = 5V
Collector-Emitter Saturation Voltage (Note 9) VCE(sat) -
- -
- 0.3
0.5 V IC = 500mA, IB = 50mA
IC = 1A, IB = 100mA
Base-Emitter Saturation Voltage (Note 9) VBE
(
sat
)
- - 1.1 V
IC = 1A, IB = 100mA
Base-Emitter Turn-on Voltage (Note 9) VBE
(
on
)
- - 1.0 V
IC = 1A, VCE = 5V
Transitional Frequency fT 150 - - MHz
IC = 50mA, VCE = 10V
f = 100MHz
Output capacitance Cobo - - 10 pF
VCB = 10V, f = 1MHz,
Note: 9. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.
FCX491A
Datasheet Number: DS33055 Rev. 5 - 2 6 of 7
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Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
SOT89
Dim Min Max
A 1.40 1.60
B 0.44 0.62
B1 0.35 0.54
C 0.35 0.44
D 4.40 4.60
D1 1.62 1.83
E 2.29 2.60
e 1.50 Typ
H 3.94 4.25
H1 2.63 2.93
L 0.89 1.20
All Dimensions in mm
Dimensions Value (in mm)
X 0.900
X1 1.733
X2 0.416
Y 1.300
Y1 4.600
Y2 1.475
Y3 0.950
Y4 1.125
C 1.500
Y1
X1
Y2
Y
C
X (3 x)
Y3 Y4
X2 (2x)
EH
D1
B1 B
e
C
L
A
D
8° (4X)
H
1
R0.200
FCX491A
Datasheet Number: DS33055 Rev. 5 - 2 7 of 7
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IMPORTANT NOTICE
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Cus tomer or user of this document or prod ucts described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated p roducts for any unintended or una uthorized application, Customers shall indemnify and
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final and determinative format released by Diodes Incorporated.
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Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the e xpress
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their pro ducts and an y
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
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