# Bipolar (BJT) Single Transistor, NPN, 60 V, 6 A, 3 W, SOT-223, Surface Mount

![Product image](https://novapart.co/image/farnell:3943262RL/)

**URL**: https://novapart.co/products/FZT851QTA/bipolar-bjt-single-transistor-npn-60-v-6-a-3-w-sot
**SKU**: FZT851QTA
**Manufacturer**: DIODES INC.
**Price**: €0.4180
**Stock**: 500+
**Lead Time**: 106 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 | 3W |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | NPN |
| Transition Frequency | 130MHz |
| Transistor Case Style | SOT-223 |
| Dc Current Gain Hfe Min | 25hFE |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 6A |
| Collector Emitter Voltage Max | 60V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3943262RL/)

**Green** ~~&~~ 

**FZT851** —— 

## DIODES. 

## **60V NPN MEDIUM POWER TRANSISTOR IN SOT223** 

## **Features** 

## **Mechanical Data** 

- BVCEO > 60V 

- IC = 6A High Continuous Collector Current 

- ICM = 20A Peak Pulse Current 

- Low Saturation Voltage VCE(sat) < 100mV @ 1A 

- RCE(sat) = 44mΩ for a Low Equivalent On-Resistance 

- hFE Specified Up to 10A for a High Gain Hold Up 

- Complementary PNP Type: FZT951 

   - Case: SOT223 Type DN 

   - Case Material: Molded Plastic, “Green” Molding Compound. UL Flammability 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: 0.112 grams (Approximate) 

- **Lead-Free Finish; RoHS Compliant (Notes 1 & 2)** 

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

- **The FZT851Q is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities.** 

**https://www.diodes.com/quality/product-definitions/** 

**==> picture [342 x 118] intentionally omitted <==**

**----- Start of picture text -----**<br>
SOT223  C<br>B<br>E<br>Top View<br>Top View  Device Symbol  Pin-Out<br>**----- End of picture text -----**<br>


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

|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|
|---|---|---|---|---|---|
|||||||
|**Product**|**Compliance**|**Marking**|**Reel Size(inches)**|**Tape Width(mm)**|**Quantity per Reel**|
|FZT851TA|AEC-Q101|FZT851|7|12|1000|
|FZT851QTA|Automotive|FZT851|7|12|1000|



- Notes: 1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3).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** 

SOT223 

**==> picture [50 x 32] intentionally omitted <==**

**----- Start of picture text -----**<br>
FZT<br>851<br>YWW<br>**----- End of picture text -----**<br>


FZT 851 = Product Type Marking Code YWW = Date Code Marking Y or Y = Last Digit of Year (ex: 0= 2020) WW or WW = Week Code (01–53) 

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FZT851 Document Number DS33174 Rev. 7 - 2 

February 2020 © Diodes Incorporated 

**FZT851** 

**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|VCBO|150|V|
|Collector-Emitter Voltage|VCEO|60|V|
|Emitter-Base Voltage|VEBO|7|V|
|Continuous Collector Current|IC|6|A|
|Peak Pulse Current|ICM|20|A|



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

|**Thermal Characteristics**(@TA = +25°C, unless otherwise specified.)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.)TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@TA = +25°C, unless otherwise specified.)TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)pecified.)ecified.))|||
|---|---|---|---|---|
|**Characteristic**||**Symbol**|**Value**|**Unit**|
|Power Dissipation<br>Linear Derating Factor|(Note 5)|PD|3.0<br>24|W<br>mW/°C|
||(Note 6)||1.6<br>12.8||
|Thermal Resistance, Junction to Ambient|(Note 5)|RθJA|42|°C/W|
||(Note 6)|RθJA|78||
|Thermal Resistance Junction to Lead|(Note 7)|RθJL|8.8||
|Operatingand Storage Temperature Range||TJ,TSTG|-55 to +150|°C|



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

|**ESD Ratingsgss **(Note 8)|**ESD Ratingsgss **(Note 8)|**ESD Ratingsgss **(Note 8)|**ESD Ratingsgss **(Note 8)|**ESD Ratingsgss **(Note 8)|
|---|---|---|---|---|
||||||
|**Characteristic**|**Symbol**|**Value**|**Unit**|**JEDEC Class**|
|Electrostatic Discharge - Human Body Model|ESD HBM|8,000|V|3B|
|Electrostatic Discharge - Machine Model|ESD MM|400|V|C|



Notes: 5. For a device mounted with the collector lead on 52mm x 52mm 2oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured under still air conditions whilst operating in steady-state. 

6. Same as Note 6, except the device is mounted on 25mm x 25mm 1oz copper. 

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. 

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FZT851 Document Number DS33174 Rev. 7 - 2 

February 2020 © Diodes Incorporated 

**FZT851** | 

## Be:rin 

## **Thermal Characteristics and Derating Information** 

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**----- Start of picture text -----**<br>
V CE(sat) hoo) 3.0 a<br>10<br>Limit<br>ee. Sesh esa 2.5 ENGR<br>a ee, ee A a VA \ 52mmX52mm<br>ANSONa SN 2.0 Pf | NO |<br>1 DC Single sided 2oz Cu<br>1s 1.5<br>a ee TTiTi7 fT Uy TZ OSS anEE ~ XQ<br>100ms<br>100m 10ms 1.0<br>Fw Ne = LENIN TET<br>jt Sin  dy gle Pulse Tamb=25°C AaB 1ms Ill 25mmX25mm  PSPS<br>52mmX52mm  Ae 0.5 Single sided 1oz Cu SN<br>Single sided 2oz Cu 100µs<br>10m HTTT HHHillnnn 0.0 DoSmS<br>100m 1 10 100 0 20 40 60 80 100 120 140 160<br>VCE  Collector-Emitter Voltage (V)  Temperature (°C)<br>Safe Operating Area Derating Curve<br>52mmX52mm<br>40 al Single sided 2oz Cu TM TM TT TT O_o] Single Pulse T amb =25°C I<br>|| iil 100 a 52mmX52mm  |<br>Single sided 2oz Cu<br>30 TTA LAVIN LAI,allrer aeII eneSette ctiimeestiies ii<br>D=0.5 aLoer allies” aeeie arapes al 2Aal COT C CTMO ROCEPPTSCTOCOCOCT<br>20<br>Sree ON 7 10 B01) 0 SN<br>10 — D=0.2 LATIN_ gO ||| hy Single Pulse Il EeEETECC See—C<br>D=0.05<br>SO US oryNU Le AA LIT PIIO81TTT TTT TTT TTT TTT<br>0 STeet TINEMM fiwa D=0.1 MEME 1 LIV LVM EINE LUTCANINE<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 Pulse Power Dissipation<br>  Collector Current (A)<br>C<br>I<br> Max Power Dissipation (W)<br>Thermal Resistance (°C/W)  Max Power Dissipation (W)<br>**----- End of picture text -----**<br>


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FZT851 Document Number DS33174 Rev. 7 - 2 

February 2020 © Diodes Incorporated 

**FZT851** 

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

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||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|QO|Characteristic|Symbol|ON|Min|Typ|(QO|Max|Unit|Test Condition|
|GR|Collector-Base Breakdown Voltage|BVCBO|GO|150|220|SO|—|V|(OO|IC = 100µA|
|GO|Collector-Emitter Breakdown Voltage|BVCER|150|220|—|S(O|V|IC = 1µA, RB ≤ 1kΩ|
|GO|Collector-Emitter Breakdown Voltage (Note 9)|BVCEO|60|85|—|V|IC = 10mA|
|GO|Emitter-Base Breakdown Voltage|BVEBO|GO|7|8.1|S(O(S(O|—|(|V|(|IE = 100µA|
|ee|Collector Cut-Off Current|ee|ICBO|ee|—|<1 −|50 1|µA nA|ee|VVCB CB = 120V = 120V, TA = +100°C|
|ee|Collector Cut-Off Current|ee|ICER|ee|—|ee|<1 —|ee|50 1|ee|µnA A|VVCE CE = 120V, R= 120V, TAB = +100°C  ≤ 1kΩ|
|G|Emitter Cut-Off Current|O|IEBO|—|<1|(S(O|10|nA|VEB  = 6V|
|ee|100|200|ee|ee|—|Pe|IC = 10mA, VCE = 1V|
|DC Current Gain (Note 9)|hFE|eeee|100 75|200 120|eeeee|300|eee|—|ee|—|PFPe|IICC = 2A = 5A,, V VCE CE = 1V = 1V|
|ee|25|ee|50|eee|—|Ps|IC = 10A, VCE = 1V|
|ee|—|—|ee|50|ee|Pe|IC = 100mA, IB = 5mA|
|Collector-Emitter Saturation Voltage (Note 9)|VCE(sat)|eeee|——|ee|——|ee|100 170|eeee|mV|PFPe|IICC = 1A = 2A,, I IB B = 50mA = 50mA|
|ee|—|ee|—|eee|375|Ps|IC = 6A, IB = 300mA|
|en|Base-Emitter Saturation Voltage (Note 9)|(GO|VBE(sat)|—|OS|—|(OO|1,200|mV|S(O|IC = 6A, IB = 300mA|
|GO|Base-Emitter Turn-On Voltage (Note 9)|VBE(on)|GO|—|I|—|GO|1,150|mV|(|IC = 6A, VCE = 1V|
|Current Gain-Bandwidth Product (Note 9)|ft|—|130|—|MHz|IC = 100mA, VCE|= 10V,|
|esee|ee|Gee|ee|ee|f = 50MHz|
|GO|Output Capacitance|Cobo|GO|—|45|GO|—|p|S(O|F|VCB = 10V, f = 1MHz|
|ton|—|45|—|IC = 1A, VCC = 10V,|
|a|Switching Times|ee|toff|—|es|1,|ee|100|—|ns|IB1 = -IB2 = 100mA|
|Note:|9. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.|

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FZT851 Document Number DS33174 Rev. 7 - 2 

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**FZT851** Cid 

## DIODES 

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

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FZT851 Document Number DS33174 Rev. 7 - 2 

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**FZT851** 

## **Package Outline Dimensions** 

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

**SOT223 (Type DN)** 

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D<br>b2<br>C<br>| =F<br>E1 E<br>Gauge<br>Plane<br>0.25<br>Seating L<br>Plane<br>e b<br>e1<br>A A1<br>A2<br>ic<br>**----- End of picture text -----**<br>


|**SOT223(Type DN)**<br>~~—~~|**SOT223(Type DN)**<br>~~—~~|**SOT223(Type DN)**<br>~~—~~|**SOT223(Type DN)**<br>~~—~~|
|---|---|---|---|
|**Dim**<br>~~—~~|**Min**<br>~~—~~|**Max**<br>~~—~~|**Typ**<br>~~—~~|
|**A**<br>~~—~~|--<br>~~—~~|1.70<br>~~—~~|**yp**<br>--<br>~~—~~|
|**A1**|0.01|0.15|--|
|**A2**|1.50|1.68|1.60|
|**b**|0.60|0.80|0.70|
|**b2**|2.90<br>0.20|3.10<br>0.32|--|
|**c**|0.20|0.32|--|
|**D**|6.30|6.70|--|
|**E**|6.70|7.30|--|
|**E1**|3.30|3.70|--|
|**e**|--|--|2.30|
|**e1**|--|--|4.60|
|**L**|0.85|--|--|
|**All Dimensions in mm**||||



## **Suggested Pad Layout** 

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

## **SOT223 (Type DN)** 

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X1<br>Y1<br>C1 Y2<br>Y<br>goo X C<br>**----- End of picture text -----**<br>


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Dimensions Value (in mm)<br>C  2.30<br>C1  6.40<br>X  1.20<br>X1  3.30<br>Y  1.60<br>Y1  1.60<br>Y2  8.00<br>**----- End of picture text -----**<br>


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FZT851 Document Number DS33174 Rev. 7 - 2 

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**FZT851** 

## **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 © 2020, Diodes Incorporated 

**www.diodes.com** 

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FZT851 Document Number DS33174 Rev. 7 - 2 

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- [Supplier page](https://es.farnell.com/diodes-inc/fzt851qta/trans-npn-60v-6a-150deg-c-3w/dp/3943262RL)
---

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