Diodes-Incorporated-DDTA125TUA-7

DDTA (R1-ONLY SERIES) UA  

PNP PRE-BIASED TRANSISTOR IN SOT323  

Features  

Mechanical Data  







Epitaxial Planar Die Construction  





Case: SOT323  

Complementary NPN Types Available (DDTC)  

Case Material: Molded Plasti

c, “Green” Molding Compound  

UL Flammability Classification Rating 94V-0  

Built-In Biasing Resistors, R1



only  





Moisture Sensitivity: Level 1 per J-STD-020  







Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  

Halogen and Antimony F

ree. “Green” Device (Note 3)  

For automotive applications requiring specific change  

control (i.e. parts qualified to AEC-Q100/101/200, PPAP  

capable, and manufactured in IATF 16949 certified facilities),  

please

or your local Diodes representative.  

Terminals: Finish

–

Matte Tin Plated Leads, Solderable per  

MIL-STD-202, Method 208  



Weight: 0.006 grams (Approximate)  

Part Number  

DDTA113TUA  

DDTA123TUA  

DDTA143TUA  

DDTA114TUA  

DDTA124TUA  

DDTA144TUA  

DDTA115TUA  

DDTA125TUA  

R1 (NOM)  

1k

Ω  

2.2k

Ω  

4.7k

Ω  

10k

Ω  

22k

Ω  

47k

Ω  

100k

Ω  

200k

Ω  

SOT323  

Top View  

Device Schematic

–

Top View  

Ordering Information

(Note 4)  

Part Number  

Status  

Active  

Active  

Active  

Active  

Active  

Active  

Active  

Obsolete  

Compliance  

Standard  

Standard  

Standard  

Standard  

Standard  

Standard  

Standard  

Standard  

Marking  

Reel Size (inches)

 

Tape Width (mm)

 

Quantity per Reel  

DDTA113TUA-7-F  

DDTA123TUA-7-F  

DDTA143TUA-7-F  

DDTA114TUA-7-F  

DDTA124TUA-7-F  

DDTA144TUA-7-F  

DDTA115TUA-7-F  

DDTA125TUA-7-F  

P01  

P03  

P07  

P12  

P16  

P19  

P23  

P25  

7

7

7

7

7

7

7

7

8

8

8

8

8

8

8

8

3,000  

3,000  

3,000  

3,000  

3,000  

3,000  

3,000  

3,000  

Notes:  

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.  

free/ 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.  

Marking Information  

PXX = Product Type Marking Code (See Table above)  

YM = Date Code Marking  

Y = Year (ex: I = 2021)  

Nxx  

PXX  

M = Month (ex: 9 = September)  

Date Code Key  

Year  

2010  

…

2021  

2022  

2023  

2024  

2025  

2026  

2027  

2028  

2029  

2030  

Code  

X

…

I

J

K

L

M

N

O

P

R

S

Aug  

Sep  

Oct  

Nov  

Dec  

Month  

Code  

Jan  

Feb  

Mar  

Apr  

May  

Jun  

Jul  

1

2

3

4

5

6

7

8

9

O

N

D

1 of 5  

June 2021  

© Diodes Incorporated  

DDTA (R1-ONLY SERIES) UA  

Document number: DS30327 Rev. 7 – 2  

DDTA (R1-ONLY SERIES) UA  

Absolute Maximum Ratings

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Symbol  

V

CBO  

Value  

-50  

Unit  

V

Collector-Base Voltage  

Collector-Emitter Voltage  

Emitter-Base Voltage  

Collector Current  

-50  

V

V

CEO  

-5  

V

V

EBO  

-100  

mA  

I

C

(Max)  

Thermal Characteristics

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Power Dissipation (Note 5)  

Symbol  

P

D  

Value  

200  

Unit  

mW  

°C/W  

°C  

Thermal Resistance, Junction to Ambient Air (Note 5)  

Operating and Storage Temperature Range  

625  

R

θ

JA  

-55 to +150  

T

J

, T

STG  

Electrical Characteristics

(@T

A

= +25°C, unless otherwise specified.)  

Characteristic  

Collector-Base Breakdown Voltage  

Collector-Emitter Breakdown Voltage  

Emitter-Base Breakdown Voltage  

Collector Cutoff Current  

Symbol  

BV

CBO  

BV

CEO  

BV

EBO  

I

CBO  

Min  

-50  

-50  

-5  

Typ Max

 

Unit  

Test Condition  

V

V















I

C

= -50

μ

A  

I

C

= -1mA  

V



I

E

= -50

μ

A  

-0.5  

μ

A  

μ

A  





V

CB

= -50V  

Emitter Cutoff Current  

-0.5  

I

EBO  

V

EB

= -4V  

I

C/

I

B

= -10mA/-1mA  

I

C/

I

B

= -5mA/-0.5mA  

DDTA113TUA  

DDTA123TUA  

I

C/

I

B

= -2.5mA/-0.25mA

 

DDTA143TUA  

I

C/

I

B

= -1mA/-0.1mA  

I

C/

I

B

= -5mA/-0.5mA  

DDTA114TUA  

DDTA124TUA  

Collector-Emitter Saturation Voltage  

-0.3  

V

V

CE(sat)  





I

C/

I

B

= -2.5mA/-0.25mA

 

DDTA144TUA  

I

C/

I

B

= -1mA/-0.1mA

 

DDTA115TUA  

I

C/

I

B

= -0.5mA/-0.05mA

 

DDTA125TUA  

DC Current Transfer Ratio  

100  

-30  

250  

600  

+30  

h

FE  



%

I

C

= -1mA, V

CE

= -5V  

Input Resistor (R

1

) Tolerance  



R

1  





V

CE

= -10V, I

E

= -5mA,  

f = 100MHz  

Gain-Bandwidth Product (Note 6)  

250  

MHz  

f

T  





Notes:  

5. Mounted on FR4 PC Board with minimum recommended pad layout.  

6. Transistor – For Reference Only  

2 of 5  

June 2021  

© Diodes Incorporated  

DDTA (R1-ONLY SERIES) UA  

Document number: DS30327 Rev. 7 – 2  

DDTA (R1-ONLY SERIES) UA  

Typical Characteristics

–

DDTA114TUA

(@T

A

= +25°C, unless otherwise specified.)  

1

250  

I

C

/I

B

= 1

0  

10  

200  

75

℃

 

25

°

C  

0.1  

-25°C  

150  

100  

75

°

C  

25

℃  

0.01  

50  

0

0.001  

-50  

50  

100  

150  

0

10  

40  

20  

0

30  

50  

–

I

C

, COLLECTOR CURRENT (mA)  

T

A

, AMBIENT TEMPERATURE (

°

C

)  

Fig. 1

 

Derating Curve  

Fig. 2

 

V  

vs. I  

Fig. 2 V

CE(sat)

vs. I

C  

CE(SAT)  

C

1,000  

12  

10  

-10V  

=

10  

V

CE  

I

= 0V  

E

100  

8

6

10  

4

2

0

1

1

10  

100  

20  

0

25  

5

10  

15  

30  

I ,

 

COLLECTOR CURRENT (mA)  

V ,

 

REVERSE BIAS VOLTAGE (V)  

–

–

C

R

Fig. 3

 

DC Current Gain  

Fig. 4

 

Output Capacitance  

10  

100  

10  

V

=

0

–

0

.

2

.2V  

75  

癈

75

℃  

O

25  

癈

25

℃  

–

25

℃  

1

1

0.1  

0.01  

0

0.001  

0

10  

20  

I

C

, COLLECTOR CURRENT (mA)  

Fig. 6

 

Input Voltage vs. Collector Current  

30  

40  

50  

6

7

8

9

0

1

2

3

4

5

10  

–

–

V

in

, INPUT VOLTAGE (V)  

Fig. 5

 

Collector Current vs. Input Voltage  

3 of 5  

June 2021  

© Diodes Incorporated  

DDTA (R1-ONLY SERIES) UA  

Document number: DS30327 Rev. 7 – 2  

DDTA (R1-ONLY SERIES) UA  

Package Outline Dimensions  

Please see

for the latest version.  

SOT323  

D

A2  

SOT323  

Dim Min Max  

A1

0.00 0.10  

A2

0.90 1.00  

Typ  

0.05  

0.95  

0.30  

0.11  

2.15  

2.10  

1.30  

c

a

A1  

e

L

b

c

D

E

0.25 0.40  

0.10 0.18  

1.80 2.20  

2.00 2.20  

b

E1

1.15 1.35  

e

0.650 BSC  

e1

1.20 1.40  

1.30  

F

L

a

0.375 0.475

 

0.425  

0.25 0.40  

0.30  

—  

E

E1  

0

°

8

°  

All Dimensions in mm  

F

e1  

Suggested Pad Layout  

SOT323  

X

Value  

Dimensions  

Y

(in mm)  

0.650  

1.300  

0.470  

0.600  

2.500  

C

G

X

Y

Y1  

Y1  

G

C

4 of 5  

June 2021  

© Diodes Incorporated  

DDTA (R1-ONLY SERIES) UA  

Document number: DS30327 Rev. 7 – 2  

DDTA (R1-ONLY SERIES) UA  

IMPORTANT NOTICE  

DIODES INCORPORATED AND ITS SUBSIDIARIES (“DIODES”) MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH  

1.  

REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  

MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY  

RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).  

2.  

The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes products  

described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product  

described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diodes products.  

Diodes products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting  

the appropriate Diodes products for their applications, (b) evaluating the suitability of the Diodes products for their intended applications, (c) ensuring  

their applications, which incorporate Diodes products, comply the applicable legal and regulatory requirements as well as safety and functional-  

safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality control techniques,  

redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associated with their applications.  

3.  

Diodes assumes no liability for any application-related information, support, assistance or feedback that may be provided by Diodes from  

time to time. Any customer or user of this document or products described herein will assume all risks and liabilities associated with such use, and  

will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against all damages

and liabilities.  

4.  

Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications.  

Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks and trademark  

applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties  

whose products and services may be described in this document or on Diodes’ website) under this document.  

5.  

Diodes  

p

roducts  

are  

provided  

subject  

to  

Diodes’  

Standard  

Terms  

and  

Conditions  

of  

Sale  

or other applicable terms. This document does not  

alter or expand the applicable warranties provided by Diodes. Diodes does not warrant or accept any liability whatsoever in respect of any products  

purchased through unauthorized sales channel.  

6.  

Diodes products and technology may not be used for or incorporated into any products or systems whose manufacture, use or sale is  

prohibited under any applicable laws and regulations. Should customers or users use Diodes products in contravention of any applicable laws or  

regulations, or for any unintended or unauthorized application, customers and users will (a) be solely responsible for any damages, losses or  

penalties arising in connection therewith or as a result thereof, and (b) indemnify and hold Diodes and its representatives and agents harmless  

against any and all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim relating to any noncompliance with  

the applicable laws and regulations, as well as any unintended or unauthorized application.  

7.  

While efforts have been made to ensure the information contained in this document is accurate, complete and current, it may contain  

technical inaccuracies, omissions and typographical errors. Diodes does not warrant that information contained in this document is error-free and  

Diodes is under no obligation to update or otherwise correct this information. Notwithstanding the foregoing, Diodes reserves the right to make  

modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein.  

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.  

8.  

Any unauthorized copying, modification, distribution, transmission, display or other use of this document (or any portion hereof) is  

prohibited. Diodes assumes no responsibility for any losses incurred by the customers or users or any third parties arising from any such unauthorized  

use.  

Copyright © 2021 Diodes Incorporated  

5 of 5  

June 2021  

© Diodes Incorporated  

DDTA (R1-ONLY SERIES) UA  

Document number: DS30327 Rev. 7 – 2