# Gas Discharge Tube (GDT), Miniature 2-Pole, 2031-xxT-SM, 150 V, 2 Terminal SMD, 1 kA, 500 V

![Product image](https://novapart.co/image/farnell:1862428/)

**URL**: https://novapart.co/products/2031-15T-SM-RPLF/gas-discharge-tube-gdt-miniature-2-pole-2031-xxt
**SKU**: 2031-15T-SM-RPLF
**Manufacturer**: BOURNS
**Category**: Circuit Protection || Gas Discharge Tubes - GDT
**Price**: €0.5390
**Stock**: 1000+
**Lead Time**: 93 days (indicative)

## Description

Product Range:2031-xxT-SM Series; DC Breakover Voltage:60V; GDT Case Style:2 Terminal SMD; Impulse Discharge Current:1kA; Impulse Sparkover Voltage:500V; SVHC:No SVHC (15-Jan-2018); Sparkove

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Product Range | 2031-xxT-SM |
| Gdt Case Style | 2 Terminal SMD |
| Dc Breakover Voltage | 150V |
| Impulse Discharge Current | 1kA |
| Impulse Sparkover Voltage | 500V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1862428/)

## **Features** 

■ Fast acting 

- Small size 

- ■ Stable breakdown throughout life ■ Designed to operate with TBU[®] devices ■ RoHS compliant* versions available ■ ov UL Recognized 

## ~~**Additional Information**~~ 

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Click these links for more information:<br>s0esHe<br>PRODUCT  TECHNICAL INVENTORY SAMPLES CONTACT<br>SELECTOR OO LIBRARY<br>**----- End of picture text -----**<br>


## **2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube** POURNS ~~(i~~ 

## ~~**Characteristics**~~ 

Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards. 

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||||
|---|---|---|
|Model No.|
|Characteristic|
|2031-15T|2031-23T|2031-42T|
|Initial DC Sparkover (100 V/s)|
|150 V|230 V|420 V|
|Typical|
|Minimum DC Sparkover (100 V/s)|
|60 V|185 V|360 V|
|Throughout Service Life|
|Maximum Impulse Sparkover|[(1)]|(5k V 1.2/50 μs)|
|500 V|650 V|850 V|
|Throughout Service Life|

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(1) Impulse Sparkover voltage is defined as typical values of distribution. 

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||||
|---|---|---|
|Insulation Resistance (IR) ......................................50 / 100 V ................................................................................> 10|[9]|Ω|
|Glow Voltage ..........................................................10 mA ......................................................................................~ 70 V|
|Arc Voltage .............................................................>1 A .........................................................................................~ 10 V|
|Glow-Arc Transition Current ....................................................................................................................................< 0.5 A|
|Capacitance............................................................1 MHz ......................................................................................< 1 pF|
|DC Holdover Voltage (Network Applied per ITU-T K.12)|
|2031-15T ...........................................................52 V  ........................................................................................< 150 ms|
|2031-23T ...........................................................80 V  ........................................................................................< 150 ms|
|2031-42T ...........................................................135 V  ......................................................................................< 150 ms|
|Service Life .............................................................8/20 μs, 1 kA ...........................................................................2 operations|
|10/1000 μs, 1 kV, 100 A|.........................................................50 operations|
|2/10 μs, 5 kV, 500 A ................................................................20 operations|
|10/700 μs, 6 kV, 150 A ............................................................10 operations|
|8/20 μs 250 A, 1.2/50 μs, 500 V (IEC 61643-21) ....................150 operations|
|600 V rms, 1 A, 0.2 s ...............................................................5 operations|

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


## Operating and Storage Temperature, 

Climatic Category (IEC 60068-1) 40 / 90 / 21..........................................................................................................-40 °C to +90 °C Moisture Sensitivity Level ........................................................................................................................................1 ESD Classification (HBM)........................................................................................................................................N/A 

Notes: 

- **UL Recognized component, UL File E153537.** 

- Surge polarity should be reversed between consecutive surges (+-+-). 

- At delivery AQL 0.65 Level II, DIN ISO 2859. 

- Bourns recommends reflowing surface mount devices per IPC/JEDEC J-STD-020 rev D. 

## ~~**Applications**~~ 

## ~~**Typical Part Marking**~~ 

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|||||||
|---|---|---|---|---|---|
|Port Protection|GDT Device P/N|TBU|[®]|Device P/N|MANUFACTURER'S|
|TRADEMARK|
|CanBus|2031-23T-SM-RPLF|TBU-CA065-100-WH|
|RS232|2031-23T-SM-RPLF|TBU-CA065-200-WH|VOLTAGE|
|RS422|2031-23T-SM-RPLF|TBU-CA065-200-WH|LL|XXXV  XXXX|
|RS485|2031-23T-SM-RPLF|TBU-CA065-200-WH|\|DATE CODE|
|RS485|2031-42T-SM-RPLF|TBU-CA085-200-WH|• FIRST TWO DIGITS = MONTH|
|• NEXT TWO DIGITS = YEAR|
|SDI|2031-23T-SM-RPLF|TBU-CA065-100-WH|
|(REVERSE MARKED|
|VDSL|2031-15T-SM-RPLF|TBU-CA050-500-WH|WITH RED INK)|

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## **WARNING  Cancer and Reproductive Harm -** www.P65Warnings.ca.gov 

“TBU” is a registered trademark of Bourns, Inc. in the U.S. and other countries, except Japan. 

All references to TBU[®] in this document for use in Japan shall be deemed to be replaced with Bourns[®] TBU™. 

*RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

**Applications** ■ Telecommunications ■ Industrial electronics ■ Avionics 

## **2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube** 

## ~~**Product Dimensions**~~ 

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4.4 ± 0.2<br>(.173 ± .008)<br>5.0 ± 0.3<br>(.197 ± .012)<br>0.51 ± 0.1 0.33 ± 0.1<br>(.020 ± .004) (.013 ± .004)<br>**----- End of picture text -----**<br>


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## ~~**Recommended Pad Layout**~~ 

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3.9<br>(.155)<br>5.6<br>(.220)<br>1.3<br>(.050)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


## ~~**How to Order**~~ 

## **2031  -  xxT  -  SM  -  RP  LF** 

**Model Number Designator Voltage** (Divided by 10) 15 = 150 V 23 = 230 V 42 = 420 V **Surface Mount Packaging Options** Blank = Bulk Packaging - 250 pcs./bag (Standard) RP = Reelpack - 1,500 pcs./reel (Optional) RP3 = Reelpack - 1,000 pcs./reel (Optional) **RoHS Compliant Option** Blank = Standard Product LF = RoHS Compliant Product 

## ~~**Packaging Specifications**~~ 

|**Model**|**Model**|**Model**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|
|---|---|---|---|---|---|---|---|
||||**Bulk**<br>**(Bag)**||**Tray**|**Box**|**Reel**|
|||||**g)**||||
|**2031-xxT-SM**|||25|0||1000||
|**2031-xxT-SM-R**|**P**||||||1500|
|**2031-xxT-SM-R**|**P3**||||||1000|
|||||||||



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


Reel is 13 inches in diameter and 3/4 inch wide. 

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4.00<br>(.158)<br>2.00 1.75<br>(.079) (.069)<br>16.0<br>(.63)<br>7.5<br>(.30)<br>8.00<br>(.315)<br>**----- End of picture text -----**<br>


**-RP3** 

Reel is 13 inches in diameter and 11/16 inch wide. 

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12.00 4.00<br>(.473) (.158)<br>12.00 ± 1.27<br>(.473 ± .050)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>Unless otherwise specified, tolerances in decimals<br> are .X ± 0.3, .XX ± 0.15 for lengths in millimeters and ±1 ° for degrees.<br>**----- End of picture text -----**<br>


**Asia-Pacific:** Tel: +886-2 2562-4117 • Email: asiacus@bourns.com **EMEA:** Tel: +36 88 885 877 • Email: eurocus@bourns.com **The Americas:** Tel: +1-951 781-5500 • Email: americus@bourns.com **www.bourns.com** 

REV. J – 09/19 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

® 

## **Legal Disclaimer Notice** 

This legal disclaimer applies to purchasers and users of Bourns[®] products manufactured by or on behalf of Bourns, Inc. and 

Unless otherwise expressly indicated in writing, Bourns[®] products and data sheets relating thereto are subject to change 

and complete before placing orders for Bourns[®] products. 

The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications.  The characteristics and parameters of a Bourns[®] product in a user application may 

® product with other components ® 

the actual performance of the Bourns[®] 

® product as meeting the requirements of a particular industry 

failure of an individual Bourns ® product to meet the requirements of such industry standard or particular qualification. Users of Bourns[®] products are responsible for ensuring compliance with safety-related requirements and standards applicable to 

Bourns[®] 

on a case-by-case basis, use of any Bourns[®] 

® 

® 

® 

Bourns[®] 

® standard products that are suitable for use in aircraft “Applications.” Unless expressly and specifically ® standard 

the user’s sole risk. 

and the user for which such Bourns[®] custom and the user regarding the use and level of also apply to such Bourns[®] custom products. 

® custom products shall be negotiated on a case-by-case basis by Bourns are specially designed. Absent a written agreement between Bourns testing, the above provisions applicable to Bourns ® standard products shall 

Users shall not sell, transfer, export or re-export any Bourns[®] 

Bourns[®] 

regulations. Further, Bourns ® products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes.  Bourns[®] products may not, without 

_bilingual versions are available at:_ 

_Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf_ 



## Links

- [View this product on Novapart](https://novapart.co/products/2031-15T-SM-RPLF/gas-discharge-tube-gdt-miniature-2-pole-2031-xxt)
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- [Supplier page](https://es.farnell.com/bourns/2031-15t-sm-rplf/gas-discharge-tube-smd-60v/dp/1862428)
---

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