Surge arrester B88069X3770T902
2-electrode arrester M50-A350XSMD
KB AB E / KB AB PM Issue 05 / 2007-04-19
Please read Cautions and warnings and Page 2 of 4
Important notes at the end of this document.
Features Applications
Very small size
High current rating
Very fast response time
Stable performance over life
Very low capacitance
High insulation resistance
Excellent SMD handling
RoHS-compatible
Branch exchange
Line protection
Subscriber protection
Alarm system
Electrical specifications
DC spark-over voltage
1) 2)
350
± 20
V
%
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
< 800
< 750
< 900
< 800
V
V
V
V
Service life
10 operations 50 Hz, 1 s 5 A
1 operation 50 Hz, 0.18 s (9 cycles) 10 A
10 operations 8/20 µs 5 kA
1 operation 8/20 µs 10 kA
1 operation 10/350 µs 0.5 kA
Insulation resistance at 100 V
dc
> 1
GΩ
Capacitance at 1 MHz < 1 pF
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 15
~ 0.5
~ 60
V
A
V
Weight ~ 1 g
Operation and storage temperature -40 ... +90 °C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, blue negative
350 YY O
350 - Nominal voltage
YY - Year of production
O - Non radioactive
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