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

![Product image](https://novapart.co/image/farnell:2846108/)

**URL**: https://novapart.co/products/2031-15T-SMLF/gas-discharge-tube-gdt-miniature-2031-xxt-sm-150-v
**SKU**: 2031-15T-SMLF
**Manufacturer**: BOURNS
**Category**: Circuit Protection || Gas Discharge Tubes - GDT
**Price**: €0.5560
**Stock**: 500+
**Lead Time**: 50 days (indicative)

## Description

Product Range:2031-xxT-SM Series; DC Breakover Voltage:150V; GDT Case Style:SMD; Impulse Discharge Current:1kA; Impulse Sparkover Voltage:500V; SVHC:No SVHC (15-Jan-2018)

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2846108/)

**Applications** n Telecommunications n Industrial electronics 

## **Features** 

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n  Fast acting  n  Telecommunications<br>n  Small size  n  Industrial electronics<br>n  Stable breakdown throughout life  n  Avionics<br>n  Designed to operate with TBU [®]  devices<br>n  RoHS compliant* versions available<br>| yy n            UL Recognized AY<br>  2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube<br>POURNS  A<br>*RoHS COMPLIANTVERSIONS<br>AVAILABLE<br>**----- End of picture text -----**<br>


## ~~**Characteristics**~~ 

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

**==> picture [471 x 85] intentionally omitted <==**

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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|

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


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

**==> picture [478 x 135] intentionally omitted <==**

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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 6068-1) 40 / 90 / 21............................................................................................................-40 °C to +90 °C Moisture Sensitivity Level ........................................................................................................................................1 ESD Classification (HBM) ........................................................................................................................................6 

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**~~ 

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**----- Start of picture text -----**<br>
Typical Part Marking<br>**----- End of picture text -----**<br>


**==> picture [499 x 95] intentionally omitted <==**

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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|
|RS485|2031-23T-SM-RPLF|TBU-CA065-200-WH|B XXXV  XXXX|
|RS485|2031-42T-SM-RPLF|TBU-CA085-200-WH|Nae|DATE CODE|
|• FIRST TWO DIGITS = MONTH|
|SDI|2031-23T-SM-RPLF|TBU-CA065-100-WH|• NEXT TWO DIGITS = YEAR|
|VDSL|2031-15T-SM-RPLF|TBU-CA050-500-WH|(REVERSE MARKED|
|WITH RED INK)|

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“TBU” is a registered trademark of Bourns, Inc. in the U.S., Taiwan and European Community. 

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. 

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **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>


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

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


## ~~**Packaging Specifcations**~~ 

|||**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|
|---|---|---|---|---|---|
|||**Bulk**||||
||**Model**|**(Bag)**|**Tray**|**Box**|**Reel**|
||**2031-xxT-SM**|250||1000||
||**2031-xxT-SM-RP**||||1500|
||**2031-xxT-SM-RP3**||||1000|



## **-RP** 

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** 

MM DIMENSIONS: (INCHES) 

## ~~**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 

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 ± .05 0)<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>


REV. I 09/17 

Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 



## Links

- [View this product on Novapart](https://novapart.co/products/2031-15T-SMLF/gas-discharge-tube-gdt-miniature-2031-xxt-sm-150-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/2031-15t-smlf/gdt-2-pole-150v-smd/dp/2846108)
---

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