6 Technical Appendix - GPS A Accessories
Max. discharge current
I
max
(8/20)
µ
s maximum (Core-Shield)
20 kA
Nominal pulse current
I
an
(10/1000)
µ
s (Core-Shield)
100 A
Impulse discharge current
(10/350)
µ
s, peak value I
imp
2,5 kA
Output voltage limitation
at 1 kV/
µ
s (Core-Earth) spike
≤
900 V
at 1 kV/
µ
s (Core-Earth) spike
≤
900 V
Response time
tA (Core-Earth)
≤
100 ns
tA (Core-GND)
≤
100 ns
Input attenuation
aE, asym.
typ. 0.1 dB (
≤
1.2 GHz)
typ. 0.2 dB (
≤
2.2 GHz)
Cut-off frequency
fg (3 dB), asym. (shield) in 50 Ohm system > 3 GHz
Standing wave ratio
SWR in a 50
Ω
system
typ. 1.1 (
≤
2 GHz)
Permissible HF power
P
max
at VSWR = xx (50 ohm system)
700 W (VSWR = 1.1)
200 W (VSWR =
∞
)
Capacity
(Core-Earth)
typ. 1,5 pF
asymmetrical (shield)
typ. 1,5 pF
Surge current resistance
(conductor-ground)
C1 - 1 kV/500 A
C2 - 10 kV/5 kA
C3 - 100 A
D1 - 2,5 kA
Ambient temperature
(operation)
-40
◦
C ... 80
◦
C
Altitude
≤
2000 m (above sea level)
Degree of protection
IP55
Housing material
Nickel-plated brass
Color nickel
Dimensions
Height 25 mm, Width 25 mm, Depth 67 mm
Connection data
N-Connector 50 Ohm
IN
N-Connector Buchse
OUT
N-Connector Buchse
Standards/regulations
IEC 61643-21 2000 + A1:2008
EN 61643-21 2001 + A1:2009
Source: PHOENIXCONTACT.COM Surge Voltage Protector - CN-UB-280DC-BB
SyncFire 1200
Date: 31st March 2021
29
