Switching Spark Gap
FS04X-1JMG
Ordering code:
B88069X0410T502
AB E / AB PM
Issue 05, 11.03.2003
Page 1 of 2
Nominal breakdown voltage V
N
400 V
Initial values
Static breakdown voltage V
S
1)
2)
First ignition value V
S, FTE
after 24 hours in darkness
Following ignition values (selection limits)
Following ignition values V
S, FIV
Breakdown voltage V
B
(measuring time 200 ms)
4)
First ignition value V
B, FTE
Following ignition values V
B, FIV
460
360 ... 420
350 ... 430
460
340 ... 460
V
V
V
V
V
Electrical life time
3)
Breakdown voltage V
B
First ignition value V
B, FTE
initial after 24 hours in darkness
First ignition value V
B, FTE
after 24 hours in darkness
Following ignition values V
B, FIV
460
500
340 ... 460
V
V
V
Switching
operations
at - 40 C
Ignition time t
I
60 ms
5)
at - 40 C
Ignition time t
I
200 ms
at +25 C
Ignition time t
I
60 ms
at +25 C
Ignition time t
I
200 ms
at +125 C
Ignition time t
I
60 ms
60 000
100 000
100 000
200 000
200 000
Ignitions
Ignitions
Ignitions
Ignitions
Ignitions
Test circuit parameters
Open circuit voltage V
0
Loading resistance R
Discharge
capacitance
C
Inductance
L
Discharge peak current I
P
500
10
680
0.5
~ 500
V
k
nF
H
A
General technical data
Insulation resistance at 100 V
Early ignition values below 340 V
Breakdown
time
Maximum switching frequency
Maximum loading current
Weight
> 100
2
50
200
50
~ 2
M
%
ns
Hz
mA
g
Marking, blue
400 WWY O
400
- Nominal voltage
WW
- Calendar week of production
Y
- Year of production
O
- Non radioactive
1)
At delivery AQL 0,65 level II, DIN ISO 2859
2)
Page 2, Fig. 1 and 2
3)
Page 2, Fig. 3 and 4
4)
Page 2, Fig. 3 and 4, 100 % outgoing inspection
5)
After storage in darkness for 30 days
Switching Spark Gap
FS04X-1JMG
Ordering code:
B88069X0410T502
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 05, 11.03.2003
Page 2 of 2
Not to scale
Dimensions in mm
Non controlled document
Fig. 4: Explanation of measurands
Fig. 3: QC- test circuit (sampling inspection at 25 C)
DUT
L
C
V
O
R
V
B
V
N
10 s
1 s
t
I
Early ignition
V
B, FTE
V
B, FTE
Range of V
B, FIV
V
B
t
Fig. 1: QC- test circuit (100% outgoing inspection)
Fig. 2: Explanation of measurands
DUT
ICU
0,22
F
51k
I = const
V
S
DUT device under test
ICU
ignition control unit (sensitivity 10 .. 30
A)
Discharge current 10 20 mA
V
S, FTE
V
S
V
N
- V
N
V
S, FIV
dV
S
/dt ~ dV
N
/dt
t
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