EF470X Datasheet, PDF (2/4 Pages) EPCOS – 2-electrode arrester

Surge arrester
2-electrode arrester
B88069X5080xxxx ^a)
EF470X
Features
ƒ Standard size
ƒ High follow current capability
ƒ Very fast response time
ƒ Stable performance over life
ƒ Very low capacitance
ƒ High insulation resistance
ƒ RoHS-compatible
Applications
ƒ Application with high follow current
ƒ Power supply
ƒ Cable TV
Electrical specifications
DC spark-over voltage ^{1) 2)}
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
- typical values of distribution
at 1 kV/µs - for 99 % of measured values
- typical values of distribution
Service life
10 operations
1 operation
10 operations
1 operation
1 operation
50 Hz, 1 s
50 Hz, 0.18 s (9 cycles)
8/20 µs
8/20 µs
10/350 µs
Max. follow current during one voltage half cycle at 50 Hz
Insulation resistance at 100 V_dc
Capacitance at 1 MHz
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, red positive
a) _{xxxx = S102 (100 pcs on 5 stripes)}
= T502 (500 pcs on tape and reel)
1) _{At delivery AQL 0.65 level II, DIN ISO 2859}
2) _{In ionized mode}
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
KB AB E / KB AB PM
Please read Cautions and warnings and
Important notes at the end of this document.
Page 2 of 4
400 ... 588
V
< 700
V
< 600
V
< 800
V
< 700
V
5
A
65
A
5
kA
10
kA
1
kA
200
A
> 10
GΩ
< 1.5
pF
~ 22
V
< 0.5
A
~ 140
V
~ 1.5
g
-40 ... +90
°C
40/ 90/ 21
EF 470 YY O
EF
- Series
470 - Nominal voltage
YY
- Year of production
O
- Non radioactive
Issue 04 / 2006-11-07