# Bipolar (BJT) Single Transistor, NPN, 450 V, 150 mA, 806 mW, SOT-23, Surface Mount

![Product image](https://novapart.co/image/farnell:3943205/)

**URL**: https://novapart.co/products/FMMT459QTA/bipolar-bjt-single-transistor-npn-450-v-150-ma-806
**SKU**: FMMT459QTA
**Manufacturer**: DIODES INC.
**Price**: €0.2610
**Stock**: 1000+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | AEC-Q101 |
| Power Dissipation | 806mW |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | NPN |
| Transition Frequency | 50MHz |
| Transistor Case Style | SOT-23 |
| Dc Current Gain Hfe Min | 70hFE |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 150mA |
| Collector Emitter Voltage Max | 450V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3943205/)

**A Product Line of Diodes Incorporated** 

**FMMT459Q** 

## **500V NPN HIGH VOLTAGE TRANSISTOR IN SOT23** 

## **Description** 

This Bipolar Junction Transistor (BJT) has been designed to meet the stringent requirements of Automotive Applications. 

## **Mechanical Data** 

- Case: SOT23 

- Case Material: Molded Plastic, “Green” Molding Compound UL Flammability Classification Rating 94V-0 

- Moisture Sensitivity: Level 1 per J-STD-020 

## **Feature** 

- BVCEV > 500V 

   - Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 

   - Weight 0.008 grams (approximate) 

- BVECV > 6V reverse blocking 

- IC = 150mA high Continuous Collector Current 

- ICM Up to 500mA Peak Pulse Current 

- 625mW Power Dissipation 

- Low Saturation Voltage <-90mV @ 50mA 

- Excellent hFE 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** 

- **PPAP Capable (Note 4)** 

## **Applications** 

- Automotive 

- Off-line switching applications 

- RCD circuits 

- PFC disable switch in PSU 

- Emergency lighting 

- Piezo actuators 

- Telecom protected line switching 

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SOT23  C E<br>C<br>B<br>B<br>E<br>Top View  Device Symbol  Top View<br>Pin-Out<br>**----- End of picture text -----**<br>


## **Ordering Information** (Notes 4 & 5) 

|||||||
|---|---|---|---|---|---|
|**Part Number**|**Compliance**|**Marking**|**Reel size(inches)**|**Tape width(mm)**|**Quantity per reel**|
|FMMT459QTA|Automotive|459|7|8|3,000|



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

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. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/. 

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

## **Marking Information** 

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


459 = Product Type Marking Code 

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FMMT459Q Document number: DS37019 Rev. 1 - 2 

March 2014 © Diodes Incorporated 

**A Product Line of Diodes Incorporated FMMT459Q** — 

## **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|500|V|
|Collector-Emitter Voltage|VCEV|500|V|
|Collector-Emitter Voltage|VCEO|450|V|
|Emitter-Base Voltage|VEBO|7|V|
|Emitter-Collector Voltage|VECV|6|V|
|Continuous Collector Current|IC|150|mA|
|Peak Pulse Current|ICM|500|mA|
|Base Current|IB|200|mA|



## **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.)|(@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|||
|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|
|Power Dissipation(Note 6)|PD|625|mW|
|Power Dissipation(Note 7)|PD|806|mW|
|Thermal Resistance,Junction to Ambient(Note 6)|RθJA|200|C/W|
|Thermal Resistance,Junction to Ambient(Note 7)|RθJA|155|C/W|
|Thermal Resistance,Junction to Leads(Note 8)|RθJL|194|C/W|
|Operatingand Storage Temperature Range|TJ,TSTG|-55 to +150|C|



## **ESD Ratings** (Note 9) 

|**ESD Ratingsgss **(Note 9)|||||
|---|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|**JEDEC Class**|
|Electrostatic Discharge - Human BodyModel|ESD HBM|4,000|V|3A|
|Electrostatic Discharge - Machine Model|ESD MM|400|V|C|



Notes: 6. 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. 

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

8. Thermal resistance from junction to solder-point (at the end of the collector lead). 

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

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FMMT459Q Document number: DS37019 Rev. 1 - 2 

March 2014 © Diodes Incorporated 

**A Product Line of Diodes Incorporated** 

**FMMT459Q** 

## **Thermal Characteristics and Derating Information** 

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**----- Start of picture text -----**<br>
1<br>fo<br>100 m ARAN ONIN)<br>DC BT PRS NN<br>1s<br>Pe 100ms ZERO<br>10 m 10ms<br>aw OASKAN<br>1ms<br>OI 100 ESET µs<br>Single Pulse  T amb =25°C UHL INANE<br>1 m uN<br>100m 1 10 100<br>VCE  Collector-Emitter Voltage (V)<br>Safe Operating Area<br>200 TT ooo<br>Oe ae wAlllll<br>150 ame LUI<br>CED<br>D=0.5<br>100 a i ancy 1 iFtl<br>D=0.2 Single Pulse<br>50<br>eeniawl D=0.1D=0.05 |<br>0 csvsetLerem<br>100µ 1m 10m 100m 1 10 100 1k<br>Pulse Width (s)<br>  Collector Current (A)<br>C<br>I<br>Thermal Resistance (°C/W)<br>**----- End of picture text -----**<br>


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0.7<br>0.6 =<br>0.5<br>Nee<br>0.4<br>\<br>0.3<br>pt | PA<br>0.2 ee<br>0.1 PNeee NX<br>0.0<br>0 20 40 60 80 100 120 140 160<br> Temperature (°C)<br> Max Power Dissipation (W)<br>**----- End of picture text -----**<br>


## **Derating Curve** 

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100 SSS asset eect Sereee<br>Seta at eel Single PulseT =25°C<br>amb<br>ih. a a<br>10<br>S eeNSati ea LETTL<br>0RE<br>1<br>eePSR Se aSe eeEeeat<br>100µ 1m 10m 100m 1 10 100 1k<br> Pulse Width (s)<br>Maximum Power (W)<br>**----- End of picture text -----**<br>


## **Transient Thermal Impedance** 

**Pulse Power Dissipation** 

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FMMT459Q Document number: DS37019 Rev. 1 - 2 

March 2014 © Diodes Incorporated 

**A Product Line of Diodes Incorporated FMMT459Q** | 

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

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|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|QO|Characteristic|Symbol|QO|Min|Typ|Max|(||Unit|Test Condition|
|Dn|Collector-Base Breakdown Voltage|BVCBO|GD|500|I|700|QO|—|OO|V|(|IC = 100µA|
|nD|Collector-Emitter Breakdown Voltage|BV|I GD|CEV|500|700|GO|—|OO|V|(|IC = 10µA; 0.3V > VBE > -1V|
|DG|Collector-Emitter Breakdown Voltage (Note 10)|BVCEO|450|GOD|500|QO|—|V|IC = 1mA|
|nD|Emitter-Base Breakdown Voltage|BV|I|EBO|(I|7|OD|8.1|(OO|—|V|(|IE|= 100µA|
|nD|Emitter-Base Breakdown Voltage (Reverse Blocking)|BV|I GS|ECV|6|8.1|GO|—|V|IC|= 1µA; 0.3V > VBC > -6V|
|nD|Collector Cutoff Current|ICBO|DD|—|<10|GO|100|OU|nA|(|VCB = 450V|
|DG|Emitter Cutoff Current|IEBO|—|GOD|<10|QO|100|nA|VEB = 5.6V|
|ID|Collector Emitter Cutoff Current|I|I|CES|(OR|—|ED|<10|OO|100|nA|(|VCE = 450V|
|50|120|—|IC|= 30mA, VCE = 10V|
|ee|Static Forward Current Transfer Ratio (Note 10)|h|ee|FE|ee|—|ee|70|ee|—|ee|—|IC = 50mA, VCE = 10V|
|—|60|75|mV|IC = 20mA, IB = 2mA|
|ee|Collector-Emitter Saturation Voltage (Note 10)|V|ee|CE(sat)|ee|—|ee|70|ee|90|ee|mV|IC = 50mA, IB = 6mA|
|ID|Base-Emitter Turn-On Voltage (Note 10)|V|I|BE(on)|(OR|—|ED|0.71|OO|0.9|V|(|IC|= 50mA, VCE|= 10V|
|nD|Base-Emitter Saturation Voltage (Note 10)|VBE(sat)|QO|—|0.76|0.9|(OO|V|IC|= 50mA, IB = 5mA|
|nD|Output Capacitance|Cobo|GO|—|OD|—|GOO|5|pF|(|VCB = 20V, f = 1MHz|
|VCE = 20V, IC = 10mA,|
|Transition Frequency|fT|50|—|—|MHz|
|es|f = 20MHz|
|Turn-On Time|ton|—|113|—|ns|VC = 100V, IC = 50mA|
|Nett|Turn-Off Time|ee|toff|Gs|—|3450|es|ee|—|ns|es|IB1 = 5mA, IB2 = -10mA|
|Notes:|10. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.|

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FMMT459Q Document number: DS37019 Rev. 1 - 2 

March 2014 © Diodes Incorporated 

**A Product Line of Diodes Incorporated** 

**FMMT459Q** ~~|~~ 

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

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1 0.40<br>a Tamb=25°C 0.35 I C /I B =20 ee ee | ee<br>0.30<br>I /I =50<br>FE C B 0.25 100 ° C<br>| iene WilG PEE SEE 4<br>100m oe 0.20<br>—— —— \ | 0.15 ee 25°C a’<br>ee EESS<br>I /I =10<br>C B 0.10<br>I /I =20<br>C B -55°C<br>0.05<br>10m Se tt SSS<br>1m 10m 100m 1m 10m 100m<br>IC   Collector Current (A) IC   Collector Current (A)<br>V  v I V  v I<br>CE(SAT) C CE(SAT) C<br>2 10 1.0<br>1.2 100°C V CE =10V 1 80 I C /I B =20<br>1.0 Salas esi a 1 50 0.8 erioeeee<br>-55°C<br>°<br>0.8 Sa 25 C TH FEE 1 20 eae<br>Ty NUIT Se °<br>0.6 9 0 0.6 25 C<br>0.4 eT -55°C A 6 0 een ace<br>100°C<br>0.2 3 0 0.4<br>0.0 HHHeeEHS Ht 0 HHH<br>1m 10m 100m 1m 10m 100m<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<br>V =10V<br>CE<br>0.8 Ct<br>Al<br>-55°C<br>nee ae<br>0.6 25°C<br>aeeee<br>MRA [tll] aa<br>100°C<br>0.4 erm TMI CTT<br>Cor CCT<br>1m 10m 100m<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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**A Product Line of Diodes Incorporated FMMT459Q** [sd 

## **Package Outline Dimensions** 

Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. 

**==> picture [384 x 175] intentionally omitted <==**

**----- Start of picture text -----**<br>
SOT23<br>Dim  Min  Max  Typ<br>A  0.37  0.51  0.40<br>B  1.20  1.40  1.30<br>C  2.30  2.50  2.40<br>D  0.89  1.03  0.915<br>F  0.45  0.60  0.535<br>Wise eR, FREE<br>G  1.78  2.05  1.83<br>H  2.80  3.00  2.90<br>J  0.013 0.10  0.05<br>K  0.890 1.00  0.975<br>K1  0.903 1.10  1.025<br>L  0.45  0.61  0.55<br>oor rere L1  0.25  0.55  0.40<br>M  0.085 0.150  0.110<br>eet — ——<br>a 8°<br>All Dimensions in mm<br>All7°<br>H<br>J<br>K 1 K<br>a<br>A M<br>L L1<br>C B<br>D<br>**----- End of picture text -----**<br>


## **Suggested Pad Layout** 

Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. 

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Y<br>Dimensions Value (in mm)<br>Z Z  2.9<br>| EF C<br>X  0.8<br>Y  0.9<br>C  2.0<br>E  1.35<br>X E<br>MajerRaho<br>Note:   For high voltage applications, the appropriate industry sector guidelines should be considered with regards to creepage and clearance distances between<br>device Terminals and PCB tracking.<br>**----- End of picture text -----**<br>


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FMMT459Q Document number: DS37019 Rev. 1 - 2 

March 2014 © Diodes Incorporated 

**A Product Line of Diodes Incorporated FMMT459Q** a 

## **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 

**www.diodes.com** 

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