EPCOS T90

Surge Arrester
3-Electrode-Arrester
T90-A230XG
Ordering code: B88069X6660T103
DC spark-over voltage 1) 2) 3)
DC spark-over voltage 2) 4)
184 ... 276
176 ... 550
V
V
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values 3)
- for 50 % of measured values 3)
< 650
< 550
V
V
- for 99 % of measured values 3)
- for 50 % of measured values 3)
< 800
< 700
V
V
Insulation resistance at 100 Vdc 3)
>1
GΩ
Capacitance at 1 MHz 3)
< 1.5
pF
200
A
5
5
kA
kA
at 1 kV/µs
Impulse life
300 operations
10/1000 µs 5)
Nominal impulse discharge current
10 operations
8/20 µs 5)
10 operations
8/20 µs 6)
Nominal alternating discharge current
10 operations
50 Hz; 1 s 5)
10 operations
50 Hz; 1 s 6)
DC holdover voltage 8)
at 52 Vdc / 260 Ω
at 80 Vdc / 330 Ω
at 135 Vdc / 1300 Ω
5
5
Arms
Arms
< 150
< 150
< 150
ms
ms
ms
Activation after reflow soldering 7)
1 operation
URMS = 600 V; 1 s
2
A
Weight
~ 0.8
g
Storage temperature
-40 ... +90
°C
Climatic category (IEC 60068-1)
40/ 90/ 21
Marking, blue
230 YY O
230
YY
O
- Nominal voltage
- Year of production
- Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
3)
Tip or ring electrode to center electrode
4)
Tip to ring electrode
5)
Total current through center electrode, half value through
tip respectively ring electrode
6)
Total current through center electrode, same value through
tip respectively ring electrode
7)
Total current from ring to tip electrode
8)
Test in accordance with ITU-Rec. K.12
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE 0845
2)
AB E / AB PM
Issue 04, 28.05.2002
Page 1 of 2
Surge Arrester
3-Electrode-Arrester
T90-A230XG
Ordering code: B88069X6660T103
Not to scale
Dimensions in mm
Non controlled document
 EPCOS AG 2002. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless
otherwise agreed.
AB E / AB PM
Issue 04, 28.05.2002
Page 2 of 2