# Bipolar Pre-Biased / Digital Transistor, Single PNP, 50 V, 100 mA, 4.7 kohm, 4.7 kohm

![Product image](https://novapart.co/image/farnell:3944241/)

**URL**: https://novapart.co/products/DDTA143EUA-7-F/bipolar-pre-biased-digital-transistor-single-pnp
**SKU**: DDTA143EUA-7-F
**Manufacturer**: DIODES INC.
**Category**: Semiconductors - Discretes || Transistors || Bipolar Transistors || Pre-Biased / Digital Bipolar Transistors
**Price**: €0.0310
**Stock**: 10+
**Lead Time**: 293 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3 Pin |
| Product Range | - |
| Qualification | - |
| Power Dissipation | 200mW |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | Single PNP |
| Transistor Case Style | SOT-323 |
| Base Input Resistor R1 | 4.7kohm |
| Dc Current Gain Hfe Min | 20hFE |
| Base Emitter Resistor R2 | 4.7kohm |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 100mA |
| Collector Emitter Voltage Max Npn | - |
| Collector Emitter Voltage Max Pnp | 50V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3944241/)

## DIODES 

## **DDTA (R1 = R2 SERIES) UA** 

## **PNP PRE-BIASED SMALL SIGNAL SURFACE MOUNT TRANSISTOR** 

## **Features** 

**==> picture [527 x 323] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|S|•|Epitaxial Planar Die Construction|E|A|SOT-323|
|•|Complementary NPN Types Available (DDTC)|Dim|Min|Max|
|•|Built-In Biasing Resistors, R1 = R2|
|A|0.25|0.40|
|•|Lead Free/RoHS Compliant (Note 2)|
|•|"Green" Device, Note 3 and 4|B|C|B|1.15|1.35|
|a|[o]|[H]|C|2.00|2.20|
|Mechanical Data|
|$$|D|0.65 Nominal|
|•|Case: SOT-323|G|
|E|0.30|0.40|
|•|Case Material:  Molded Plastic, "Green" Molding|—|rr|H|!|
|Compound, Note 4.  UL Flammability Classification|G|1.20|1.40|
|Rating 94V-0|K|H|1.80|2.20|
|M|
|•|Moisture Sensitivity:  Level 1 per J-STD-020C|J|0.0|0.10|
|•|Terminal Connections: See Diagram|
|K|0.90|1.00|
|•|Terminals:  Solderable per MIL-STD-202, Method 208|s|J|eal|
|•|Lead Free Plating (Matte Tin Finish annealed over|D|E|L|L|0.25|0.40|
|Alloy 42 leadframe).|M|0.10|0.18|
|•|Marking Information: See Page 4|α|0°|8°|
|•|Type Code: See Table Below|
|•|Ordering Information: See Page 4|OUT|All Dimensions in mm|
|•|Weight: 0.006 grams (approximate)|3|
|C|
|P/N|R1, R2 (NOM)|Type|Code|B|R1|IN|B|1|3|C|OUT|
|DDTA123EUA|2.2KΩ|P04|R2|
|DDTA143EUA|4.7KΩ|P08|
|DDTA114EUA|10KΩ|P13|E|
|DDTA124EUA|22KΩ|P17|1|2|E|
|DDTA144EUA|47KΩ|P20|IN|GND(+)|
|DDTA115EUA|100KΩ|P24|GND (+)|
|Schematic and Pin|Equivalent Inverter Circuit|
|Configuration|

**----- End of picture text -----**<br>


## **Maximum Ratings** @TA = 25°C unless otherwise specified 

**==> picture [486 x 191] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|Characteristic|Symbol|Value|Unit|
|Supply Voltage, (3) to (2)|VCC|-50|V|
|Input Voltage, (1) to (2)|DDTA123EUA|+10 to –12|
|DDTA143EUA|+10 to –30|
|DDTA114EUA|+10 to –40|
|DDTA124EUA|VIN|+10 to –40|V|
|DDTA144EUA|+10 to –40|
|DDTA115EUA|+10|to –40|
|Output Current                                                          DDTA123EUA|-100|
|DDTA143EUA|-100|
|DDTA114EUA|-50|
|DDTA124EUA|IO|-30|mA|
|DDTA144EUA|-30|
|DDTA115EUA|-20|
|Output Current                                                                          All|IC|(Max)|-100|mA|
|Power Dissipation|Pd|200|mW|
|Thermal Resistance, Junction to Ambient Air (Note 1)|RθJA|625|°C/W|
|Operating and Storage Temperature Range|Tj, TSTG|-55 to +150|°C|

**----- End of picture text -----**<br>


- Notes: 1.   Mounted on FR4 PC Board with recommended pad layout as shown on Diodes Inc., suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf 

   2.   No purposefully added lead. 

   3.   Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 

   4.   Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 

DDTA (R1 = R2 SERIES) UA © Diodes Incorporated 

DS30325 Rev. 8 - 2 

1 of 4 

**www.diodes.com** 

## rif 

**Electrical Characteristics** @TA = 25°C unless otherwise specified 

|**Electrical Characteristics**@TA = 25°C unless otherwise specifiedA = 25°C unless otherwise specified= 25°C unless otherwise specified|**Electrical Characteristics**@TA = 25°C unless otherwise specifiedA = 25°C unless otherwise specified= 25°C unless otherwise specified|@TA = 25°C unless otherwise specifiedA = 25°C unless otherwise specified= 25°C unless otherwise specified|@TA = 25°C unless otherwise specifiedA = 25°C unless otherwise specified= 25°C unless otherwise specified|@TA = 25°C unless otherwise specifiedA = 25°C unless otherwise specified= 25°C unless otherwise specified||||
|---|---|---|---|---|---|---|---|
|**Characteristic**<br>~~Poe~~||**Symbol**<br>~~Poe~~|**Min**<br>~~Poe~~|**Typ**<br>~~Poe~~|**Max**<br>~~Poe~~|**Unit**<br>~~Poe~~|**Test Condition**<br>~~Poe~~|
|Input Voltage<br>~~Poe~~||Vl(off)<br>~~Poe~~|-0.5<br>~~Poe~~|-1.1<br>~~Poe~~|⎯<br>~~Poe~~|V<br>~~Poe~~|VCC= 5V, IO= 100μA<br>~~Poe~~|
|||Vl(on)|⎯|-1.9|-3|V|VO= 0.3V, IO= 20mA, DDTA123EUA<br>VO= 0.3V, IO= 20mA, DDTA143EUA<br>VO= 0.3V, IO= 10mA, DDTA114EUA<br>VO= 0.3V, IO= 5mA, DDTA124EUA<br>VO= 0.3V, IO= 2mA, DDTA144EUA<br>VO= 0.3V,IO= 1mA,DDTA115EUA|
|Output Voltage||VO(on)|⎯|-0.1|-0.3|V|IO/Il=10mA/0.5mA, DDTA123EUA<br>IO/Il=10mA/0.5mA, DDTA143EUA<br>IO/Il=10mA/0.5mA, DDTA114EUA<br>IO/Il=10mA/0.5mA, DDTA124EUA<br>IO/Il=10mA/0.5mA, DDTA144EUA<br>IO/Il=5mA/0.25mA,DDTA115EUA|
|Input Current|DDTA123EUA<br>DDTA143EUA<br>DDTA114EUA<br>DDTA124EUA<br>DDTA144EUA<br>DDTA115EUA|Il|⎯|⎯|-3.8<br>-1.8<br>-.88<br>-.36<br>-.18<br>-.15|mA|VI= -5V|
|Output Current||IO(off)|⎯|⎯|0.5|μA|VCC= -50V, VI= 0V|
|DC Current Gain|DDTA123EUA<br>DDTA143EUA<br>DDTA114EUA<br>DDTA124EUA<br>DDTA144EUA<br>DDTA115EUA|Gl<br>~~EE~~|-20<br>-20<br>-30<br>-56<br>-68<br>-82<br>~~EE~~|⎯<br>~~SI~~|⎯<br>~~SI~~|⎯|VO= -5V, IO= -20mA<br>VO= -5V, IO= -10mA<br>VO= -5V, IO= -5mA<br>VO= -5V, IO= -5mA<br>VO= -5V, IO= -5mA<br>VO= -5V,IO= -5mA|
|Input Resistor (R1) Tolerance<br>~~IOP~~||ΔR1<br>~~IOP~~<br>~~EE~~|-30<br>~~IOP~~<br>~~EE~~|⎯<br>~~IOP~~<br>~~SI~~|+30<br>~~IOP~~<br>~~SI~~|%<br>~~IOP~~|⎯<br>~~IOP~~|
|Resistance Ratio<br>~~a~~<br>~~[TIT~~||R2/R1<br>~~EE~~<br>~~a~~<br>~~EEE~~|0.8<br>~~EE ~~<br>~~a~~<br>~~EEE~~|1<br> ~~SI~~<br>~~a~~<br>~~IEE~~|1.2<br>~~SI~~<br>~~a~~<br>~~IEE~~|⎯<br>~~a~~<br>~~IEE~~|⎯<br>~~a~~<br>~~IEE~~|
|Gain-Bandwidth Product*<br>~~a~~<br>~~[TIT~~||fT<br>~~a~~<br>~~EEE~~|⎯<br>~~a~~<br>~~EEE~~|250<br>~~a~~<br>~~IEE~~|⎯<br>~~a~~<br>~~IEE~~|MHz<br>~~a~~<br>~~IEE~~|VCE= -10V, IE= 5mA,<br>f = 100MHz<br>~~a~~<br>~~IEE~~|



* Transistor - For Reference Only 

DDTA (R1 = R2 SERIES) UA © Diodes Incorporated 

DS30325 Rev. 8 - 2 

2 of 4 

**www.diodes.com** 

## Drow 

## **Typical Curves –DDTA143EUA** 

**==> picture [477 x 659] intentionally omitted <==**

**----- Start of picture text -----**<br>
250 1<br>IC/IB = 10<br>200<br>fi} i i ft ee<br>75°C<br>Ne 0.1 |<br>-25°C<br>150<br>it tN fT tt S 25 S °C S<br>ft tT ft INE ET ——<br>PT Pp? TI a<br>100<br>NY 0.01 _ o i<br>50<br>jp tt tN ——<br>0 ranevewa PTttLINNS 0.001 ee|| ft |]<br>-50 0 50 100 150 0 10 20 30 40 50<br>TA, AMBIENT TEMPERATURE (°C) IC, COLLECTOR CURRENT (mA)<br>Fig. 1  Derating Curve Fig. 2  VCE(SAT) vs. IC<br>1,000 12<br>f = 1MHz<br>cE a<br>a ee ee ee ee eee 10<br>| L L<br>100 ESSS S ea:wo th 8 HEEEE<br>—— a AH eel 6 EEE<br>TF eel AEE<br>10 LAfeIMT 4 AEENUE<br>aes 2 NOTE<br>es | a| PELLETi: EEEEREREEEREto<br>1 a el 0 LEE<br>1 10 100 0 5 10 15 20 25 30<br>IC, COLLECTOR CURRENT (mA) VR, REVERSE BIAS VOLTAGE (V)<br>Fig. 3  DC Current Gain Fig. 4  Output Capacitance<br>100 10<br>75°C VO = 5V VO = 0.2V<br>25°C<br>nr G e e a<br>10<br>ae — et<br>ee -25°C a NS|<br>1 | [iT] | | | | | 1 a e eee<br>5Scccccsa pee [4] [c]<br>| wy | ft tT Rs<br>0.1 Pit;————————————| | ey tt aee ee ee ee<br>oo<br>0.01 PET5 ineaaeeeeEE EE 0 aaa<br>0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50<br>Vin, INPUT VOLTAGE (V) IC, COLLECTOR CURRENT (mA)<br>Fig. 5  Collector Current vs. Input Voltage Fig. 6  Input Voltage vs. Collector Current<br>, POWER DISSIPATION (mW)<br>d<br>P , COLLECTOR EMITTER VOLTAGE (V)<br>CE(SAT)<br>V<br>C CURRENT GAIN , CAPACITANCE (pF)<br>, D<br>FE OB<br>h C<br>, INPUT VOLTAGE (V)<br>in<br>V<br>, COLLECTOR CURRENT (mA)<br>IC<br>**----- End of picture text -----**<br>


DDTA (R1 = R2 SERIES) UA © Diodes Incorporated 

DS30325 Rev. 8 - 2 

3 of 4 

**www.diodes.com** 

**Ordering Information** (Note 4 & 5) 

|**Ordering Informationg Information Information**(Note 4 & 5)|||
|---|---|---|
|**Device**|**Packaging**|**Shipping**|
|DDTA1xxEUA-7-F|SOT-323|3000/Tape & Reel|
|DDTA1xxEUA-13-F|SOT-323|10,000/Tape & Reel|



Notes: 5.   For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 

**Marking Information** 

|XXX<br>YM<br>XXX = Product Type Marking Code, See Table on Page 1<br>YM = Date Code Marking<br>Y = Year ex: T = 2006<br>M = Month ex: 9 = September<br>Date CodeKey<br>**Year**<br>**2006**<br>**2007**<br>**2008**<br>**2009**<br>**2010**<br>**2011**<br>**2012**<br>**Code**<br>T<br>U<br>V<br>W<br>X<br>Y<br>Z<br>**Month**<br>**Jan**<br>**Feb**<br>**Mar**<br>**Apr**<br>**May**<br>**Jun**<br>**Jul**<br>**Aug**<br>**Sep**<br>**Oct**<br>**Nov**<br>**Dec**<br>**Code**<br>1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9<br>O<br>N<br>D<br>~~a~~<br>~~——~~<br>~~SSSS~~|
|---|



## IMPORTANT NOTICE 

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website, harmless against all damages. 

LIFE SUPPORT 

Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. 

DDTA (R1 = R2 SERIES) UA © Diodes Incorporated 

DS30325 Rev. 8 - 2 

4 of 4 

**www.diodes.com** 



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- [Supplier page](https://es.farnell.com/diodes-inc/ddta143eua-7-f/rf-transistor-50v-0-1a-sot-323/dp/3944241)
---

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