# Bipolar (BJT) Single Transistor, PNP, 40 V, 3 A, 3.9 W, TO-252, Surface Mount

![Product image](https://novapart.co/image/farnell:3405159RL/)

**URL**: https://novapart.co/products/ZXT790AKTC/bipolar-bjt-single-transistor-pnp-40-v-3-a-39-w-to
**SKU**: ZXT790AKTC
**Manufacturer**: DIODES INC.
**Price**: €0.4240
**Stock**: 10+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | Lead (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | AEC-Q101 |
| Power Dissipation | 3.9W |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | PNP |
| Transition Frequency | 100MHz |
| Transistor Case Style | TO-252 |
| Dc Current Gain Hfe Min | 80hFE |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 3A |
| Collector Emitter Voltage Max | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3405159RL/)

**Green** @ 

**ZXT790AK** -— 

## **40V PNP MEDIUM POWER HIGH GAIN TRANSISTOR** 

## **Features** 

## **Mechanical Data** 

- BVCEO > -40V 

- IC = -3A High Continuous Collector Current 

- ICM = -6A Peak Pulse Current 

- High Gain Device >200 @-1A 

- RCE(SAT) = 83mΩ Typical 

- Low Saturation Voltage 

- **Lead-Free Finish; RoHS compliant (Note 1 & 2)** 

   - Case: TO252 (DPAK) 

   - 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; Solderable per MIL-STD-202, Method 208 

   - Weight: 0.34 grams (Approximate) 

- **Halogen and Antimony Free. “Green” Device (Note 3)** 

- **Qualified to AEC-Q101 Standards for High Reliability** 

## **Application** 

- DC-DC Converters 

- MOSFET Gate Drivers 

- Charging Circuits 

- Power Switches 

- Siren Drivers 

**==> picture [394 x 111] intentionally omitted <==**

**----- Start of picture text -----**<br>
TO252 (DPAK)<br>@ Ole<br>Top View  Device Schematic  Pin Out Configuration<br>Top view<br>**----- End of picture text -----**<br>


## **Ordering Information** (Note 4) 

|**Ordering Informationg Information Information**|**Ordering Informationg Information Information**(Note 4)||||
|---|---|---|---|---|
|**Product**|**Marking**|**Reel Size(inches)**|**Tape Width(mm)**|**Quantity per Reel**|
|ZXT790AKTC|ZXT790A|13|16|2,500|



Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied. 

   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. For packaging details, go to our website at http://www.diodes.com/products/packages.html. 

## **Marking Information** 

ZXT790A = Product Type Marking Code YYWW = Date Code Marking ZXT YY = Last Two Digits of Year (ex: 16 = 2016) WW = Week Code (01 to 53) 790A YYWW 

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## **Absolute Maximum Ratings** (@TA = +25°C, unless otherwise specified.) 

|**Absolute Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|||
|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|
|Collector-Base Voltage|BVCBO|-50|V|
|Collector-Emitter Voltage|BVCEO|-40|V|
|Emitter-Base Voltage|BVEBO|-7|V|
|Continuous Collector Current|IC|-3|A|
|Base Current|IB|-0.5|A|
|Peak Pulse Collector Current|ICM|-6|A|



## **Thermal Characteristics** (@TA = +25°C, unless otherwise specified.) 

|**Thermal Characteristics **(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Thermal Characteristics **(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|||
|---|---|---|---|---|
|**Characteristic**||**Symbol**|**Value**|**Unit**|
|Power Dissipation|(Note 5)|PD|2.1|W|
||(Note 6)||3.0||
||(Note 7)||3.9||
|Thermal Resistance, Junction to Ambient Air|(Note 5)|RθJA|59|°C/W|
||(Note 6)||41||
||(Note7)||32||
|Operatingand Storage Temperature Range||TJ,TSTG|-55 to +150|°C|



## **ESD Ratings** (Note 8) 

||||||
|---|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|**JEDEC Class**|
|Electrostatic Discharge – Human BodyModel|ESD HBM|4,000|V|3B|
|Electrostatic Discharge – Machine Model|ESD MM|400|V|C|



- Notes: 5. For a device mounted with the exposed collector pad on 25mm x 25mm 1oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured under still air conditions whilst operating in a steady-state. 

   6. Same as note (5), except mounted on 50mm x 50mm 1oz copper. 

   7. Same as note (5), except mounted on 50mm x 50mm 2oz copper. 

   8. Refer to JEDEC specification JESD22-A114 and JESD22-A115. 

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## **Thermal Characteristics and Derating Information** 

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**----- Start of picture text -----**<br>
10 V 10 V<br>CE(SAT) CE(SAT)<br>Limit Limit<br>Lew} ARN YZ |) SRR BEE pt A A NH tt<br>1 DC 1 DC<br>1s 1s<br>100ms 100ms<br>100m Yt td —— 10ms 4A BREE 100m TTT... 10ms TT ON PTT<br>maul TAMB=25OC — JUN 1ms | It TAMB=25OC — dr 1ms AN<br>25mm x 25mm 1oz FR4 i | fd 100s TET 50mm x 50mm 2oz FR4 | | tl 100  s i ee<br>10m Maal | TTT 10m meal LLU<br>1 10 1 10<br>-VCE  Collector-Emitter Voltage (V) -VCE  Collector-Emitter Voltage (V)<br>Safe Operating Area Safe Operating Area<br>30<br>60<br>ocrl T AMB =25OC INC Ao T AMB =25OC TTAalll<br>50 25mm x 25mm  50mm x 50mm<br>/ 1oz FR4 0AA7AA 20 2oz FR4 p y y<br>40<br>D=0.5<br>f D=0.5 ne aT LL A<br>CTT ee A tA II<br>30<br>yr TE Siri MUIiMATTIMMNII59""<br>20 CO D=0.2 TCT eT Single Pulse 10 D=0.2 YT  EAN Single Pulse Il<br>cee Cea oe<br>10 Faye D=0.05 cee D=0.05 |<br>smi a ea mil ott OE neem scaalll<br>D=0.1 D=0.1<br>0 othSera eetmit CO CU TN millCT 0 eeeel Th wi<br>100μ 1m 10m 100m 1 10 100 1k 100μ 1m 10m 100m 1 10 100 1k<br> Pulse Width (s) Pulse Width (s)<br>Transient Thermal Impedance Transient Thermal Impedance<br>Sn a a | il 4.0 a a a<br>Single Pulse<br>O 3.5<br>100 NET TTAT TAMB=25 C ll PINE | 50mm x 50mm  |<br>3.0 2oz FR4<br>50mm x 50mm  2.5 25mm x 25mm<br>2oz FR4<br>Se WEEN 2.0 1oz FR4 :<br>10 BI ll mn ll _ << :<br>1.5<br>1.0<br>ll 25mm x 25mm  | 0.5 Pet ft | | NK TL<br>1 a 1oz FR4 0.0 aS S<br>100μ 1m 10m 100m 1 10 100 1k 0 20 40 60 80 100 120 140 160<br>Pulse Width (s) O<br> Temperature ( C)<br>Pulse Power Dissipation<br>Derating Curve<br>C/W) C/W)<br>O O<br>  Collector Current (A)   Collector Current (A)<br>C C<br>-I -I<br> Thermal Resistance ( Thermal Resistance (<br> Max Power Dissipation (W)  Max Power Dissipation (W)<br>**----- End of picture text -----**<br>


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ZXT790AK Document number: DS33640 Rev. 2 - 2 

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**ZXT790AK** 

## **Electrical Characteristics** (@TA = +25°C, unless otherwise specified.) 

|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)||||
|---|---|---|---|---|---|---|
|**Characteristic**|**Symbol**|**Min**|**Typ. **|**Max**|**Unit**|**Test Condition**|
|Collector-Base Breakdown Voltage|BVCBO|-50|-70|—|V|IC= -100µA|
|Collector-Emitter Breakdown Voltage(Note 9)|BVCEO|-40|-60|—|V|IC= -10mA|
|Emitter-Base Breakdown Voltage|BVEBO|-7|-8.3|—|V|IE= -100µA|
|Collector Cutoff Current|ICBO|—|<1|-20|nA|VCB= -30V|
|Emitter Cutoff Current|IEBO|—|<1|-20|nA|VEB= -6V|
|Emitter Cutoff Current|ICES<br>~~TE~~|—<br>~~TE~~|<1<br>~~TE~~|-20<br>~~TE~~|nA|VCB= -30V|
|DC Current Transfer Static Ratio (Note 9)<br>~~tT~~|hFE<br>~~tT~~<br>~~TE~~|300<br>250<br>200<br>150<br>80<br>~~tT~~<br>~~TE~~|450<br>390<br>350<br>280<br>170<br>~~tT~~<br>~~TE~~|800<br>—<br>—<br>—<br>—<br>~~tT~~<br>~~TE~~|—<br>~~tT~~|IC= -10mA, VCE= -2V<br>IC= -500mA, VCE= -2V<br>IC= -1A, VCE= -2V<br>IC= -2A, VCE= -2V<br>IC= -3A,VCE= -2V<br>~~tT~~|
|Collector-Emitter Saturation Voltage (Note 9)<br>~~ee~~|VCE(SAT)<br>~~TE~~<br>~~ee~~|—<br>~~TE~~<br>~~ee~~|-110<br>-220<br>-260<br>-250<br>~~TE~~<br>~~ee~~|-170<br>-350<br>-450<br>-450<br>~~TE~~<br>~~ee~~|mV<br>~~ee~~|IC= -0.5A, IB= -5mA<br>IC= -1A, IB= -10mA<br>IC= -2A, IB= -50mA<br>IC= -3A,IB= -300mA<br>~~ee~~|
|Base-Emitter Saturation Voltage(Note 9)<br>~~ee~~|VBE(SAT)<br>~~ee~~|—<br>~~ee~~|-1.05<br>~~ee~~|-1.15<br>~~ee~~|V<br>~~ee~~|IC= -3A,IB= -300mA<br>~~ee~~|
|Base-Emitter Turn-On Voltage(Note 9)<br>~~A~~|VBE(ON)<br>~~A~~|—<br>~~A~~|-0.90<br>~~A~~|-1.0<br>~~A~~|V<br>~~A~~|IC= -3A,VCE= -2V<br>~~A~~|
|Transitional Frequency<br>~~A~~|fT<br>~~A~~|100<br>~~A~~|—<br>~~A~~|—<br>~~A~~|MHz<br>~~A~~|IC= -50mA, VCE= -5V<br>f = 50MHz<br>~~A~~|
|Output Capacitance<br>~~A~~|COBO<br>~~A~~<br>~~eee~~|—<br>~~A~~<br>~~eee~~|24<br>~~A~~<br>~~ee~~|—<br>~~A~~<br>~~ee~~|pF<br>~~A~~<br>~~ee~~|VCB= -10V,f = 1MHz,<br>~~A~~<br>~~ee~~|
|Switching Times<br>~~ee~~|tON<br>tOFF<br>~~ee~~<br>~~eee~~|—<br>~~ee~~<br>~~eee~~|35<br>600<br>~~ee~~<br>~~ee~~|—<br>~~ee~~<br>~~ee~~|ns<br>~~ee~~<br>~~ee~~|IC= -500mA, VCC= -10V,<br>IB1= -50mA<br>IB2= 50mA<br>~~ee~~<br>~~ee~~|



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ZXT790AK Document number: DS33640 Rev. 2 - 2 

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**ZXT790AK** 

## **Typical Electrical Characteristics** (@TA = +25°C, unless otherwise specified.) 

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**----- Start of picture text -----**<br>
1 1.0<br>O<br>TAMB=25 C 0.8 I C /I B =100 -55 O C<br>TAAL eet awit<br>100m<br>0.6 25 O C<br>EN I C /I B =100 Zl PTE Err<br>eo ciseet 0.4 iJ<br>10m I C /I B =40 100OC<br>eee[a EN 0.2 HHH waiCE<br>IC/IB=10<br>Sh. eee =| 0.0  Lett<br>1m 10m 100m 1 10 1m 10m 100m 1<br>-IC   Collector Current (A) -IC   Collector Current (A)<br>V  v I V  v I<br>CE(SAT) C CE(SAT) C<br>1.4 630<br>V =-2V<br>a 100 O C ea CE 1.0 I C /I B =100 LT ETE ELT<br>1.2 [|Ha RCSCOM TNT Tn 540 COLL "|<br>1.0 450<br>OTTll TE 0.8 aalaa<br>O<br>0.80.6 euFnllA 25 Fn C TEPPetHUE TSTTTSNTI NoALTTTTCrh 360270 0.6 awilllCoe -55OC25 haan O C HHml aaa|Lee)oeA LA Till<br>0.4 nil O 180 oo Tr. ieee<br>Ser -55 C SS AT TT ee 100OC TT<br>0.2 SMH 90 0.4 SngO<br>0.0 EE Et HN 0 PE UATE ECT ETT LUT<br>1m 10m 100m 1 10 1m 10m 100m 1 10<br>-IC   Collector Current (A) -IC   Collector Current (A)<br>h  v I V  v I<br>FE C BE(SAT) C<br>1.0 V CE =-2V<br>oo a<br>0.8<br>CNNN Al<br>a -55OC Mel<br>0.6<br>min 25 aes OC |<br>a etl<br>0.4 O<br>100 C<br>artePTT CTlik iifCe<br>0.2 CnCot<br>1m 10m 100m 1 10<br>-IC   Collector Current (A)<br>V  v I<br>BE(ON) C<br>  (V)   (V)<br>CE(SAT) CE(SAT)<br>-V -V<br>)<br>FE<br>  (V)<br>BE(SAT)<br>-V<br>Normalised Gain<br> Typical Gain (h<br> (V)<br>BE(ON)<br>-V<br>**----- End of picture text -----**<br>


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## **Package Outline Dimensions** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

**==> picture [419 x 257] intentionally omitted <==**

**----- Start of picture text -----**<br>
TO252 (DPAK)<br>E<br>A<br>b3<br>7°± 1° TO252 (DPAK)<br>L3 c Dim Min  Max  Typ<br>ar i i oo A  2.19  2.39  2.29<br>A1  0.00  0.13  0.08<br>A2  0.97  1.17  1.07<br>tT] D ah A2 === b  0.64  0.88 0.783<br>H<br>L4 b2  0.76  1.14  0.95<br>b3  5.21  5.46 5.33<br>c  0.45 0.58 0.531<br>D  6.00 6.20 6.10<br>D1  5.21  – –<br>e e  –  – 2.286<br>b(3x)<br>E  6.45  6.70  6.58<br>is b2(2x) : == E1  4.32  – –<br>0.508 H  9.40 10.41 9.91<br>Gauge Plane L  1.40  1.78  1.59<br>L3  0.88  1.27  1.08<br>E1 D1 Seating Plane L4  0.64  1.02  0.83<br>L A1 a  0°  10°  –<br>All Dimensions in mm<br>2.74REF<br>han a | -_<br>**----- End of picture text -----**<br>


## **Suggested Pad Layout** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

**TO252 (DPAK)** 

**==> picture [126 x 168] intentionally omitted <==**

**----- Start of picture text -----**<br>
X1<br>Y1<br>Y2 Le<br>fe<br>C<br>Y<br>‘oo<br>aL X<br>**----- End of picture text -----**<br>


|**Dimensions**|**Value(in mm)**|
|---|---|
|**C**|4.572|
|**X**|1.060|
|**X1**|5.632|
|**Y**|2.600|
|**Y1**|5.700|
|**Y2**|10.700|



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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 © 2016, Diodes Incorporated 

**www.diodes.com** 

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- [Supplier page](https://es.farnell.com/diodes-inc/zxt790aktc/trans-pnp-40v-3a-150deg-c-3-9w/dp/3405159RL)
---

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