Diodes-Incorporated-FMMT459TA

A Product Line of  

Diodes Incorporated  

FMMT459  

500V NPN HIGH VOLTAGE TRANSISTOR IN SOT23  

Feature  

Mechanical Data  





Case: SOT23  





















BV

CEV

> 500V  

BV

ECV

> 6V reverse blocking  

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  

I

C

= 150mA high Continuous Collector Current  

I

CM

Up to 500mA Peak Pulse Current  

625mW Power Dissipation  

Low Saturation Voltage <-90mV @ 50mA  

Excellent h

FE

Characteristics Up To 120mA  

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  







Weight 0.008 grams (approximate)  

Applications  













Off-line switching applications  

RCD circuits  

PFC disable switch in PSU  

Emergency lighting  

Piezo actuators  

Telecom protected line switching  

SOT23  

C

E

B

C

B

E

Top View  

Device Symbol  

Top View  

Pin-Out  

Ordering Information

(Note 4)  

Part Number  

FMMT459TA  

Compliance  

AEC-Q101  

Marking  

459  

Reel size (inches)  

Tape width (mm)  

Quantity per reel  

7

8

3,000  

Notes:  

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  

2. S

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. For packaging details, go to our website at

Marking Information  

459  

459 = Product Type Marking Code  

1 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

Absolute Maximum Ratings

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Symbol  

V

CBO  

V

CEV  

V

CEO  

V

EBO  

V

ECV  

I

C  

Value  

500  

500  

450  

7

Unit  

V

Collector-Base Voltage  

Collector-Emitter Voltage  

Collector-Emitter Voltage  

Emitter-Base Voltage  

V

V

V

Emitter-Collector Voltage  

6

V

Continuous Collector Current  

Peak Pulse Current  

Base Current  

150  

500  

200  

mA  

mA  

mA  

I

CM  

I

B  

Thermal Characteristics

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Symbol  

P

D  

Value  

625  

Unit  

mW  

Power Dissipation (Note 5)  

Power Dissipation (Note 6)  

806  

mW  

P

D  

Thermal Resistance, Junction to Ambient (Note 5)  

Thermal Resistance, Junction to Ambient (Note 6)  

Thermal Resistance, Junction to Leads (Note 7)  

Operating and Storage Temperature Range  

200  

R

θ

JA  

R

θ

JA  

R

θ

JL  



C/W  



C/W  



C/W  



C  

155  

194  

-55 to +150  

T

ESD Ratings

(Note 8)  

Characteristic  

Electrostatic Discharge – Human Body Model  

Electrostatic Discharge – Machine Model  

Symbol  

ESD HBM  

ESD MM  

Value  

4,000  

400  

Unit  

V

V

JEDEC Class  

3A  

C

Notes:  

5. 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.  

6. Same as note 5, except the device is measured at t

≤

5 sec.  

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.  

2 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

Thermal Characteristics and Derating Information  

1

0.7  

0.6  

0.5  

0.4  

0.3  

0.2  

0.1  

0.0  

100m  

DC  

1s  

100ms  

10m  

1m  

10ms  

1ms  

100µs  

Single Pulse

 

T

amb

=25°C  

100m  

1

10  

100  

0

20  

40 60 80

 

100 120 140 160  

V

CE

Collector-Emitter Voltage (V)  

Temperature (°C)  

Derating Curve  

Safe Operating Area  

100  

10  

1

200  

150  

100  

50  

Single Pulse  

T

amb

=25°C  

D=0.5  

Single Pulse  

D=0.2  

D=0.05  

D=0.1  

0

100µ 1m

 

10m 100m  

1

10  

100  

1k  

100µ 1m 10m

 

100m  

1

10  

100  

1k  

Pulse Width (s)  

Pulse Width (s)  

Transient Thermal Impedance  

Pulse Power Dissipation  

3 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

Electrical Characteristics

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Collector-Base Breakdown Voltage  

Collector-Emitter Breakdown Voltage  

Collector-Emitter Breakdown Voltage (Note 9)  

Emitter-Base Breakdown Voltage  

Emitter-Base Breakdown Voltage (Reverse Blocking)  

Collector Cutoff Current  

Symbol  

BV

CBO  

BV

CEV  

BV

CEO  

BV

EBO  

BV

ECV  

I

CBO  

Min  

500  

500  

450  

7

Typ  

700  

700  

500  

8.1  

Max  

—

Unit  

V

Test Condition  

I

C

= 100µA  

—

V

I

C

= 10µA; 0.3V > V

BE

> -1V  

I

C

= 1mA  

—

V

—

V

I

E

= 100µA  

6

8.1  

—

V

I

C

= 1µA; 0.3V > V

BC

> -6V  

V

CB

= 450V  

—

<10  

<10  

<10  

100  

100  

100  

nA  

nA  

nA  

Emitter Cutoff Current  

—

I

EBO  

V

EB

= 5.6V  

Collector Emitter Cutoff Current  

—

I

CES  

V

CE

= 450V  

I

C

= 30mA, V

CE

= 10V  

50  

—

120  

70  

—

—

Static Forward Current Transfer Ratio (Note 9)  

Collector-Emitter Saturation Voltage (Note 9)  

—

h

FE  

I

I

I

—

—

60  

70  

75  

90  

mV  

mV  

V

CE(sat)  

Base-Emitter Turn-On Voltage (Note 9)  

Base-Emitter Saturation Voltage (Note 9)  

Output Capacitance  

—

—

—

0.71  

0.76  

—

0.9  

0.9  

5

V

V

V

BE(on)  

V

BE(sat)  

C

obo  

I

C

= 50mA, V

CE

= 10V  

I

C

= 50mA, I

B

= 5mA  

V

CB

= 20V, f = 1MHz  

pF  

V

CE

= 20V, I

C

= 10mA,  

f = 20MHz  

Transition Frequency  

50  

—

—

MHz  

f

T  

Turn-On Time  

Turn-Off Time  

—

—

113  

—

—

ns  

ns  

t

on  

t

off  

V

3450  

I

B1

= 5mA, I

B2

= -10mA  

Notes:  

9. Measured under pulsed conditions. Pulse width

≤

300µs. Duty cycle

≤

2%.  

4 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

Typical Electrical Characteristics

(@T

A

= +25°C, unless otherwise specified.)  

1

100m  

10m  

0.40  

0.35  

0.30  

0.25  

0.20  

0.15  

0.10  

0.05  

I

C

/I

B

=20  

Tamb=25°C  

I

C

/I

B

=50  

100°C  

25°C  

I

C

/I

B

=10  

100m  

I

C

/I

B

=20  

-55°C  

1m  

10m  

1m  

10m  

I

C

Collector Current (A)  

I

C

Collector Current (A)

100m  

V

CE(SAT)

v I

C  

V

CE(SAT)

v I

C  

210  

180  

150  

120  

90  

1.0  

0.8  

0.6  

0.4  

V

CE

=10V  

I

C

/I

B

=20  

1.2  

1.0  

0.8  

0.6  

0.4  

0.2  

0.0  

100°C  

-55°C  

25°C  

25°C  

100°C  

-55°C  

60  

30  

0

1m  

10m  

100m  

1m  

10m  

I

C

Collector Current (A)

100m  

I

C

Collector Current (A)  

h

FE

v I

C  

V

BE(SAT)

v I

C  

1.0  

0.8  

0.6  

0.4  

V

CE

=10V  

-55°C  

25°C  

100°C  

1m  

10m  

100m  

I

C

Collector Current (A)  

V

BE(ON)

v I

C  

5 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

Package Outline Dimensions  

rsion.  

A

ll

7

°  

H

SOT23  

Dim  

A

B

C

D

F

G

H

J

Min  

0.37  

1.20  

2.30  

0.89  

0.45  

1.78  

2.80  

Max  

0.51  

1.40  

2.50  

1.03 0.915  

0.60 0.535  

Typ  

0.40  

1.30  

2.40  

J

K

K1  

a

M

A

L

L1  

2.05  

3.00  

1.83  

2.90  

0.05  

0.013 0.10  

K

K1  

L

L1  

M

a



 

0.890 1.00 0.975  

0.903 1.10 1.025  

C

B

0.45  

0.25  

0.61  

0.55  

0.55  

0.40  

0.085 0.150 0.110  

8°  

D

All Dimensions in mm  

Suggested Pad Layout  

e latest version.  

Y

Dimensions Value

 

(in mm)  

Z

Z

X

Y

C

E

2.9  

0.8  

0.9  

2.0  

C

1.35  

E

X

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.  

6 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2  

A Product Line of  

Diodes Incorporated  

FMMT459  

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  

7 of 7  

March 2014  

© Diodes Incorporated  

FMMT459  

Document number: DS33089 Rev. 7 – 2