# TVS Diode, Transil SM2T, Unidirectional, 5 V, 9.2 V, DO-216AA, 2 Pins

![Product image](https://novapart.co/image/farnell:1749297/)

**URL**: https://novapart.co/products/SM2T6V8A/tvs-diode-transil-sm2t-unidirectional-5-v-92-do
**SKU**: SM2T6V8A
**Manufacturer**: STMICROELECTRONICS
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Diodes
**Price**: €0.1510
**Stock**: 1000+
**Lead Time**: 132 days (indicative)

## Description

Product Range:Transil SM2T Series; TVS Polarity:Unidirectional; Reverse Stand-Off Voltage Vrwm:5V; Clamping Voltage Vc Max:9.2V; Diode Case Style:DO-216AA; No. of Pins:2Pins; Breakdown Vo

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2Pins |
| Tvs Polarity | Unidirectional |
| Product Range | Transil SM2T |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | DO-216AA |
| Clamping Voltage Max | 9.2V |
| Reverse Standoff Voltage | 5V |
| Maximum Breakdown Voltage | 6.4V |
| Minimum Breakdown Voltage | 6.4V |
| Operating Temperature Max | 175°C |
| Peak Pulse Power Dissipation | 200W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1749297/)

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## **SM2T** 

## TRANSIL™ 

## **FEATURES** 

- High Peak pulse power: 200 W (10/1000 µs ) 1000 W ( 8/20 µs) 

- Stand-off voltage range 5 to 24V 

- Unidirectional types 

- Low clamping factor VCL/VBR 

- Fast response time 

- 1.0mm overall component height 

## **DESCRIPTION** 

The SM2T series are Transil diodes designed specifically for portable equipment and miniaturized electronics devices subject to ESD transient overvoltages. 

Fully compatible with pick and place equipment and inspectable soldering joints. 

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A<br>K<br>STmite<br>(JEDEC DO-216AA)<br>**----- End of picture text -----**<br>


**Table 1: Order Codes** 

|**Table 1: Order Codes**||
|---|---|
|**Part Number**|**Marking**|
|SM2T6V8A|MUA|
|SM2T14A|MUE|
|SM2T18A|MUG|
|SM2T27A|MUJ|



**Table 2: Absolute Ratings** (Tamb = 25°C) 

|**Table 2: A**|**bsolute Ratings**(Tamb= 25°C)|**bsolute Ratings**(Tamb= 25°C)|||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|PPP|Peak pulse power dissipation   (see note1)|Tjinitial = Tamb|200|W|
|P|Power dissipation on infinite heatsink|Tamb= 100°C|2.5|W|
|IFSM|Non repetitive surge peak forward current|tp= 10 ms<br>Tjinitial = Tamb|25|A|
|Tstg<br>Tj|Storage temperature range<br>Maximum junction temperature||-65 to 175<br>150|°C|
|TL|Maximum lead temperature for soldering during 10 s.||260|°C|



**Note 1:** 10/1000µs pulse waveform. 

**Table 3: Thermal Resistances** 

|**Symbol**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|
|Rth(j-t)|Junction to tab|20|°C/W|
|Rth(j-a)|Junction to ambient on PCB with recommended pad layout|250|°C/W|



1/6 

January 2005 

REV. 3 

**SM2T** 

**Table 4: Electrical Characteristics** (Tamb = 25°C) 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Parameter**|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|I<br>IF<br>VF<br>**V**CL<br>VBR<br>VRM<br>I PP<br>I RM<br>V|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|VRM|Stand-off voltage||||||||||||
|VBR|Breakdown voltage||||||||||||
|VCL|Clamping voltage||||||||||||
|IRM|Leakage current @ VRM||||||||||||
|IPP|Peak pulse current||||||||||||
|αT|Voltage temperature coefficient||||||||||||
|VF|Forward voltage drop||||||||||||
||||||||||||||
|**Types**||**IRM    @    VRM**||**VBR** **@     IR**|||||**VCL @    IPP**||α**T**|**C**|
|||max||min|||||max<br>note1||max|typ<br>@ 0V|
|||µA|V|V|mA||||V|A|10-4/°C|pF|
|SM2T6V8A||50|5|6.4|10||||9.2|19.6|5.7|1600|
|SM2T14A||1|12|13.3|1||19.9|||9|8.3|650|
|SM2T18A||1|16|17.1|1||26|||7|8.8|500|
|SM2T27A||1|24|25.7|1||28.9|||4.6|9.6|350|



**Note 1:** 10/1000µs pulse waveform. 

2/6 

**SM2T** 

**Figure 1: Peak pulse power versus exponential pulse duration** 

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PPP(W)<br>1.E+04<br>Tj initial = 25°C<br>1.E+03<br>1.E+02<br>tp(ms)<br>1.E+01<br>0.01 0.10 1.00 10.00<br>**----- End of picture text -----**<br>


**Figure 3: Average power dissipation versus ambient temperature** 

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P(W)<br>3.0<br>TAMB = Ttab<br>2.5<br>2.0<br>1.5<br>1.0<br>Printed circuit board FR4, recommended pad layout<br>0.5<br>TAMB(°C)<br>0.0<br>0 25 50 75 100 125 150<br>**----- End of picture text -----**<br>


**Figure 5: Thermal resistance junction to ambient versus copper surface under tab** 

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Rth(j-a)(°C/W)<br>250<br>200<br>150<br>100<br>50<br>S(cm²)<br>0<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2<br>**----- End of picture text -----**<br>


**Figure 2: Relative variation of peak pulse power versus initial junction temperature** 

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%<br>110<br>100<br>90<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>10 T (°C)j<br>0<br>0 25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


**Figure 4: Variation of thermal impedance junction to ambient versus pulse duration** 

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Zth(j-c)/Rth(j-c)<br>1000.0<br>S=0.135cm²<br>100.0<br>S=2cm²<br>10.0<br>1.0<br>tp(s)<br>0.1<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03<br>**----- End of picture text -----**<br>


**Figure 6: Reverse leakage current versus junction temperature (typical values)** 

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IR(nA)<br>1.E+02<br>VR = VRM<br>1.E+01<br>1.E+00<br>1.E-01<br>T (°C)j<br>1.E-02<br>0 25 50 75 100 125 150<br>**----- End of picture text -----**<br>


3/6 

**SM2T** 

**Figure 7: Clamping voltage versus peak pulse current (maximum values)** 

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IPP(A)<br>100.0<br>Tj initial = 25°C<br>8/20µs<br>10/1000µs<br>10.0<br>SM2T6V8A<br>1.0 SM2T14A<br>SM2T18A<br>SM2T27A<br>VCL(V)<br>0.1<br>0 5 10 15 20 25 30 35 40 45<br>**----- End of picture text -----**<br>


**Figure 8: Junction capacitance versus reverse voltage applied (typical values)** 

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C(pF)<br>10000<br>F=1MHz<br>VOSC=30mVRMS<br>T =25°Cj<br>1000<br>SM2T6V8A<br>SM2T14A<br>SM2T18A<br>100<br>SM2T27A<br>VR(V)<br>10<br>1 10 100<br>**----- End of picture text -----**<br>


## **Fig. 9: Forward voltage drop versus forward current (typical values)** 

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IFM(A)<br>1.E+02<br>1.E+01<br>Tj = 150°C<br>1.E+00 Tj = 25°C<br>1.E-01<br>VFM(V)<br>1.E-02<br>0.0 0.5 1.0 1.5 2.0 2.5 3.0<br>**----- End of picture text -----**<br>


4/6 

**SM2T** 

**Figure 10: STmite Package Mechanical Data** 

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L3<br>D<br>b2 b<br>H<br>L2<br>L R E<br>C A<br>A1<br>R1 0° to 6°<br>**----- End of picture text -----**<br>


|**REF.**|**DIMENSIONS**|**DIMENSIONS**|**DIMENSIONS**|**DIMENSIONS**|**DIMENSIONS**|**DIMENSIONS**|
|---|---|---|---|---|---|---|
||**Millimeters**|||**Inches**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|0.85|1.00|1.15|0.033|0.039|0.045|
|A1|||0.10|||0.004|
|b|0.40||0.65|0.016||0.025|
|b2|0.70||1.00|0.027||0.039|
|c|0.10||0.25|0.004||0.010|
|D|1.75|1.90|2.05|0.069|0.007|0.081|
|E|1.75|1.90|2.05|0.069|0.007|0.081|
|H|3.60|3.75|3.90|0.142|0.148|0.154|
|L|0.50|0.63|0.80|0.020|0.025|0.031|
|L2|1.20|1.35|1.50|0.047|0.053|0.059|
|L3||0.50<br>ref|||0.019<br>ref||
|R|0.07|||0.003|||
|R1|0.07|||0.003|||



**Figure 11: STmite Foot Print Dimensions** (in millimeters) 

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2.67<br>0.762<br>2.54 1.27<br>0.635<br>**----- End of picture text -----**<br>


**Table 5: Ordering Information** 

|**Part Number**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|SM2T6V8A|MUA|STmite|15.5 mg|12000|Tape & reel|
|SM2T14A|MUE|||||
|SM2T18A|MUG|||||
|SM2T27A|MUJ|||||



## **Table 6: Revision History** 

|**Date**|**Revision**|**Description of Changes**|
|---|---|---|
|April-2002|1A|Last update.|
|Aug-2004|2|STmite package dimensions update.|
|14-Jan-2005|3|Minor layout update. No content change.|



5/6 

**SM2T** 

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. 

The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners 

© 2005 STMicroelectronics - All rights reserved 

**STMicroelectronics group of companies** 

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**www.st.com** 

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