
NOV 28, 2006 revised to JAN 29, 2007
Page 9 of 13
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CPD Series Data Sheet
200 – 250 Watt CompactPCI
DC-DC Converters
EN 55022 B
EN 55022 A
C
voltages which typically occur in most installations. The
CPD Series has been successfully tested to the following
specifications:
Electromagnetic Compatibility (EMC)
A metal oxide VDR together with an input fuse and filter
form an effective protection against high input transient
Electromagnetic Immunity
Table 8: Immunity type tests
Phenomenon
Standard
Level
Coupling
mode
1
Value
applied
Waveform
Source
imped.
Test
In
Per-
procedure
oper. form.
2
Electrostatic
discharge
(to case)
IEC/EN
61000-4-2
4
contact discharge
8000 V
p
1/50 ns
330
10 positive and
10 negative
discharges
yes
A
air discharge
15000 V
p
Electromagnetic
field
IEC/EN
61000-4-3
3
antenna
10 V/m
AM 80%
1 kHz
n.a.
80 – 1000 MHz
yes
A
10 V/m
50% duty cycle
200 Hz repeti-
tion frequency
900 ±5 MHz
Electrical fast
transients/burst
IEC/EN
61000-4-4
3
capacitive, o/c
1000 V
p
bursts of 5/50 ns
2.5/5 kHz over
15 ms; burst
period: 300 ms
50
60 s positive
60 s negative
transients per
coupling mode
yes
A
direct, i/c, +i/–i
2000 V
p
Surges
IEC/EN
61000-4-5
3
i/c
2000 V
p
1.2/50 μs
12
2
5 pos. and 5 neg.
surges per
coupling mode
yes
B
+i/–i
1000 V
p
Conducted
disturbances
IEC/EN
61000-4-6
3
i, o, signal wires
10 VAC
(140 dBmV)
AM 80%
1 kHz
150
0.15 – 80 MHz
yes
A
1
i = input, o = output, c = case connedted to PE
2
A = normal operation, no deviation from specifications, B = temporary deviation from specs possible.
Electromagnetic Emission
Radiated and conducted emissions meet class A according
to EN 55011/55022.
Fig. 11
Typical disturbance voltage (quasi peak) at the input
according to EN 55022, measured at V
i nom
and I
o nom
(CPD250-4530).
Fig. 12
Typical radiated electromagnetic field strength (quasi
peak) according to EN 55011/55022, normalised to a
distance of 10 m, measured at V
i nom
and I
o nom
.
50
40
30
20
10
3
5
1
1
2
3
[dBmV/m]
[MHz]
0
2
2
EN 55022 A
EN 55022 B