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Description
This Bipolar Junction Transistor (BJT) has been designed to meet the
stringent requirements of Automotive Applications.
Feature
BV
BV
I
I
625mW Power Dissipation
Low Saturation Voltage <-90mV @ 50mA
Excellent h
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)
> 500V
CEV
> 6V reverse blocking
ECV
= 150mA high Continuous Collector Current
C
Up to 500mA Peak Pulse Current
CM
Characteristics Up To 120mA
FE
SOT23
Top View Device Symbol
B
FMMT459Q
500V NPN HIGH VOLTAGE TRANSISTOR IN SOT23
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
Automotive
Off-line switching applications
RCD circuits
PFC disable switch in PSU
Emergency lighting
Piezo actuators
Telecom protected line switching
C
C
E
Top View
Pin-Out
Ordering Information (Notes 4 & 5)
Part Number Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
FMMT459QTA Automotive 459 7 8 3,000
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/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
FMMT459Q
Document number: DS37019 Rev. 1 - 2
459
459 = Product Type Marking Code
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Absolute Maximum Ratings (@T
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Emitter-Collector Voltage
Continuous Collector Current
Peak Pulse Current
Base Current
Thermal Characteristics (@T
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
= +25°C, unless otherwise specified.)
A
= +25°C, unless otherwise specified.)
A
V
CBO
V
CEV
V
CEO
V
EBO
V
ECV
I
C
I
CM
I
B
P
D
P
D
R
θJA
R
θJA
R
θJL
T
J, TSTG
FMMT459Q
500 V
500 V
450 V
7 V
6 V
150 mA
500 mA
200 mA
625 mW
806 mW
200
155
194
-55 to +150
C/W
C/W
C/W
C
ESD Ratings (Note 9)
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 mounted with the collector lead on 25mm x 25mm 1oz copper that is on a single-sided FR4 PCB; device is measured under still air
conditions whilst operating in a steady-state.
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).
9. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
Characteristic Symbol Value Unit JEDEC Class
FMMT459Q
Document number: DS37019 Rev. 1 - 2
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Thermal Characteristics and Derating Information
1
100m
DC
1s
10m
Collector Current (A)
C
I
1m
100m 1 10 100
100ms
Single Pulse T
10ms
=25°C
amb
1ms
100µs
VCE Collector-Emitter Voltage (V)
Safe Operating Area
200
150
FMMT459Q
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0 20 40 60 80 100 120 140 160
Max Power Dissipation (W)
Temperature (°C)
Derating Curve
100
Single Pulse
T
=25°C
amb
D=0.5
100
D=0.2
50
D=0.1
0
100µ 1m 10m 100m 1 10 100 1k
Thermal Resistance (°C/W)
Single Pulse
D=0.05
Pulse Width (s)
Transient Thermal Impedance
10
1
Maximum Power (W)
100µ 1m 10m 100m 1 10 100 1k
Pulse Width (s)
Pulse Power Dissipation
FMMT459Q
Document number: DS37019 Rev. 1 - 2
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Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Collector-Emitter Breakdown Voltage (Note 10)
Emitter-Base Breakdown Voltage
Emitter-Base Breakdown Voltage (Reverse Blocking)
Collector Cutoff Current
Emitter Cutoff Current
Collector Emitter Cutoff Current
Static Forward Current Transfer Ratio (Note 10)
Collector-Emitter Saturation Voltage (Note 10)
Base-Emitter Turn-On Voltage (Note 10)
Base-Emitter Saturation Voltage (Note 10)
Output Capacitance
Transition Frequency
Turn-On Time
Turn-Off Time
Notes: 10. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.
BV
BV
BV
BV
BV
I
I
I
V
CE(sat)
V
BE(on
V
BE(sat
C
CBO
CEV
CEO
EBO
ECV
CBO
EBO
CES
h
FE
obo
f
T
t
on
t
off
500 700 — V
500 700 — V
450 500 — V
7 8.1 — V
6 8.1 — V
— <10 100 nA
— <10 100 nA
— <10 100 nA
50
—
—
—
120
70
60
70
—
—
75
90
— 0.71 0.9 V
— 0.76 0.9 V
— — 5 pF
50 — — MHz
— 113 — ns
— 3450 — ns
IC = 100µA
IC = 10µA; 0.3V > VBE > -1V
IC = 1mA
I
E
I
C
VCB = 450V
VEB = 5.6V
VCE = 450V
I
C
—
I
C
I
mV
C
mV
I
C
I
C
I
C
V
V
f = 20MHz
V
I
B1
FMMT459Q
= 100µA
= 1µA; 0.3V > V
= 30mA, V
= 50mA, VCE = 10V
= 20mA, IB = 2mA
= 50mA, IB = 6mA
= 50mA, V
= 50mA, I
= 20V, f = 1MHz
CB
= 20V, IC = 10mA,
CE
= 100V, IC = 50mA
C
= 5mA, IB2 = -10mA
CE
CE
= 5mA
B
BC
= 10V
= 10V
> -6V
FMMT459Q
Document number: DS37019 Rev. 1 - 2
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Typical Electrical Characteristics (@T
1
Tamb=25°C
IC/IB=50
(V)
100m
CE(SAT)
V
10m
1m 10m 100m
IC/IB=20
IC/IB=10
IC Collector Current (A)
1.2
1.0
0.8
0.6
100°C
25°C
V
CE(SAT)
v I
C
VCE=10V
= +25°C, unless otherwise specified.)
A
0.40
IC/IB=20
1m 10m 100m
1.0
IC/IB=20
210
180
(V)
V
0.35
0.30
0.25
0.20
0.15
CE(SAT)
0.10
0.05
)
150
120
FE
0.8
-55°C
(V)
90
0.6
FMMT459Q
100°C
25°C
IC Collector Current (A)
25°C
V
CE(SAT)
v I
C
-55°C
0.4
0.2
Normalised Gain
0.0
1m 10m 100m
-55°C
IC Collector Current (A)
hFE v I
1.0
VCE=10V
0.8
-55°C
C
(V)
0.6
BE(ON)
V
0.4
1m 10m 100m
25°C
100°C
IC Collector Current (A)
60
30
0
BE(SAT)
V
Typical Gain (h
0.4
1m 10m 100m
100°C
IC Collector Current (A)
V
BE(SAT)
v I
C
V
FMMT459Q
Document number: DS37019 Rev. 1 - 2
BE(ON)
v I
C
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FMMT459Q
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
All 7
K
K
1
C
B
H
J
A
D
M
°
Dim Min Max Typ
A 0.37 0.51 0.40
a
L
L
1
B 1.20 1.40 1.30
C 2.30 2.50 2.40
D 0.89 1.03 0.915
F 0.45 0.60 0.535
G 1.78 2.05 1.83
H 2.80 3.00 2.90
J 0.013 0.10 0.05
K 0.890 1.00 0.975
K1 0.903 1.10 1.025
L 0.45 0.61 0.55
L1 0.25 0.55 0.40
M 0.085 0.150 0.110
a
SOT23
8°
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Note: For high voltage applications, the appropriate industry sector guidelines should be considered with regards to creepage and clearance distances between
device Terminals and PCB tracking.
Y
Dimensions Value (in mm)
Z
X
E
C
Z 2.9
X 0.8
Y 0.9
C
E
2.0
1.35
FMMT459Q
Document number: DS37019 Rev. 1 - 2
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IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
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 Customer or user of this document or products 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 products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
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 products and any
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.
Copyright © 2014, Diodes Incorporated
www.diodes.com
FMMT459Q
FMMT459Q
Document number: DS37019 Rev. 1 - 2
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