# Gas Discharge Tube (GDT), 20 kA, 350 V

![Product image](https://novapart.co/image/farnell:3594479/)

**URL**: https://novapart.co/products/9071.99.0649/gas-discharge-tube-gdt-20-ka-350-v
**SKU**: 9071.99.0649
**Manufacturer**: HUBER+SUHNER
**Category**: Circuit Protection || Gas Discharge Tubes - GDT
**Price**: €29.2100
**Stock**: 10+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Product Range | - |
| Gdt Case Style | - |
| Dc Breakover Voltage | - |
| Impulse Discharge Current | 20kA |
| Impulse Sparkover Voltage | 350V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3594479/)

**DATA SHEET** 

1/2 

## **SEMPER Gas Discharge Tube, 350 V** 9071.99.0649 

## **Properties** 

- Designed for operations exceeding 25 years 

- GDT specification according to international standard ITU-T K.12 

- Self Extinguisher GDT with holder included 

**Interace and material data** ~~Ce~~ Housing material / plating Brass / SUCOPLATE (R) Plating 

## **Electrical data** 

|CW power frame|≤ 325 W|
|---|---|
|DC sparkover|350 V, +/- 15 % (@ 100 V/s)|
|Impulse sparkover 100 V/µs|600 V|
|Impulse sparkover 1000 V/µs|875 V|
|Insulation resistance|> 10 GΩ (@ 100 V)|
|Glow voltage|approx. 70 V (@ 10 mA)|
|Arc voltage|approx. 10 V (@ > 1 A)|
|Glow-Arc transition current|< 0.5 A|
|Capacitance|< 1 pF (@ 1 MHz)|
|DC Holdover voltage|< 150 ms (@ 135 V)|
|Impulse discharge current|≥ 1 operations (@ 30 kA, 8/20µs)|
||≥ 10 operations (@ 20 kA, 8/20µs)|
||≥ 400 operations (@ 500 A, 10/1000µs)|
||≥ 1000 operations (@ 100 A, 10/1000µsor 10/7000µs)|
|Alter discharge current|≥ 1 operations (@ 65 Arms, 11 cycles)|
||≥ 10 operations (@ 10 Arms, 1 s)|
|DC current|≤ 2.5 A at 48 V|
||≤ 4 A at 27 V|
||≤ 6 A at 24 V|
||≤ 13 A at 17 V|
|Turn-off time|20 sec. typically at 2.0 A and 25°C ambient temperature|
||< 40 sec. typically below 1 A and 25°C ambient temperature|
|Recovery time|7 sec. at 25°C ambient temperature|



**hubersuhner.com** 

**DATA SHEET** 

2/2 

**SEMPER Gas Discharge Tube, 350 V** 9071.99.0649 

**Mechanical data** ~~a~~ Weight 13.7 g 

**Environmental data** Operation temperature -20 °C ... 85 °C Storage temperature -40 °C ... 85 °C Ingress protection (IP Rating) Unmated / IP66, IP68, according to IEC 60529 (24 h of water, 1 m) 

**Additional Information** Remarks GDT unit for retrofit and replacement for series 3401 and 3402 With capsule holder Yes ~~—~~ 

**Ordering Information Table** Item number Item description 84017487 9071.99.0649 ~~ee~~ 

HUBER+SUHNER is certified by ISO 9001, ISO 14001, ISO 45001, IATF 16949, AS/ EN 9100 and ISO/TS 22163-IRIS. Waiver: Facts and figures herein are for information only and do not represent any warranty of any kind. DOCUMENT PIM-P1215 / Date of publication: 31.10.2024 / uncontrolled copy 

**hubersuhner.com** 



## Links

- [View this product on Novapart](https://novapart.co/products/9071.99.0649/gas-discharge-tube-gdt-20-ka-350-v)
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- [Supplier page](https://es.farnell.com/huber-suhner/9071-99-0649/gas-discharge-tube-350v-smd-2/dp/3594479)
---

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