# Gas Discharge Tube (GDT), 20 kA, 470 V

![Product image](https://novapart.co/image/farnell:3594474/)

**URL**: https://novapart.co/products/9071.99.0550%2073_Z-0-0-5500)/gas-discharge-tube-gdt-20-ka-470-v
**SKU**: 9071.99.0550 73_Z-0-0-5500)
**Manufacturer**: HUBER+SUHNER
**Category**: Circuit Protection || Gas Discharge Tubes - GDT
**Price**: €16.4900
**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 | 470V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3594474/)

**DATA SHEET** 

1/2 

**Gas discharge tube 470 V** 9071.99.0550-73Z0-0-550 

## **Properties** 

- Designed for operations exceeding 25 years 

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

• Two electrode gas discharge tube 6x8 mm without holder 

## **Electrical data** 

CW power frame ≤ 590 W DC sparkover 470 V, +/- 15 % (@ 100 V/s) Impulse sparkover 100 V/ µs 725 V Impulse sparkover 1000 V/ µs 1000 V Insulation resistance > 100 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, 8/20 µs) ≥ 10 operations (@ 20 kA, 8/20 µs) ≥ 400 operations (@ 500 A, 10/1000 µs) ≥ 1000 operations (@ 100 A, 10/1000 µs or 10/7000 µs) Alter discharge current ≥ 1 operations (@ 65 Arms, 11 cycles) ≥ 10 operations (@ 10 Arms, 1 s) 

**Mechanical data** ~~a~~ Weight 1.8 g 

|Operation temperature|-40 °C ... 85 °C|
|---|---|
|Storage temperature|-55 °C ... 125 °C|
|Ingress protection (IP Rating)|Unmated / IP66, IP68, according to IEC 60529 (24 h of water, 1 m)|



**hubersuhner.com** 

**DATA SHEET** 

2/2 

## **Gas discharge tube 470 V** 

9071.99.0550-73Z0-0-550 

**Compliance** Item number Directive / Regulation Rating Exemptions / Details RoHS 2011/65/EU and (EU) Compliant without exemption 2015/863 23039070 REACH 1907/2006 Article 33 Free of SVHC >0,1% SVHC ~~—~~ **Additional Information** Test methods per ITU-T (CCITT) K.12, IEEE C62.31, RUS PE-80, Remarks Telcordia GR 1361 With capsule holder No ~~ee~~ **Ordering Information Table** Item number Item description 23039070 9071.99.0550 (73_Z-0-0-550) ~~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-P1219 / Date of publication: 28.02.2025 / uncontrolled copy 

**hubersuhner.com** 



## Links

- [View this product on Novapart](https://novapart.co/products/9071.99.0550%2073_Z-0-0-5500)/gas-discharge-tube-gdt-20-ka-470-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/huber-suhner/9071-99-0550-73-z-0-0-550/gas-discharge-tube-470v-smd-20ka/dp/3594474)
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