GAS DISCHARGE TUBE
Specifications
3-electrode (10kA/10A)
Standard Series
Features
8x10mm
Packaging
A440:
00=Bulk (2.000 pcs.)
No. A440/A441/A442
A440/F
A441:
00=Bulk (500 pcs.)
04=Tray (250 pcs.)
04=Tray (500 pcs.)
04=Tray (500 pcs.)
This product is not recommended
for new designs. Please refer to
Littelfuse series SL1024A.
A442:
A442/F:
Non-radioactive
Lead Free
Materials
Housing:
Gas:
Failsafe Option
Ceramic
non-radioactive
tin plated
Applications
Leads:
Telecommunication
Data Transmission
Arc Voltage @ 1A
~ 35V
Subscriber protection
Underground cables
Transition Glow to Arc @
~ 1.0A
Standard
UL-497B
complies to ITU-T K.12 (formerly CCITT)
complies to DIN 57845/VDE 0845
Operating temperature
-40°C to +90°C
Climatic Category
complies to IEC 60068-1
+40°C, 21 days, <93% humidity
Approvals
UL-rec.
Soldering characteristics
complies to IEC 60068-2-20
Soldering Heat Resistance
complies to IEC 60068-2-58
Transverse Delay Time
complies to ITU-T K.12
< 0.2µs
WebLinks
Further info see:
http://www.wickmanngroup.com/
download/orderinfo_surgearr.pdf
http://www.wickmanngroup.com/
download/crossref_surgearr.pdf
Marking
, Type, Nom. Voltage, Date
Unit Weight
ca. 2.2g
Characteristics
Type/
DC
Tolerance Impulse
Glow
Insulation
Capacitance 8/20µs
8/20µs
AC
AC
Approval
Order Code
sparkover
voltage
sparkover Voltage Resistance
(@1MHZ)
Nominal
Impulse
Discharge
Current
(10 times)
E1+E2/M
Single
Nominal
Alternating
voltage
(1kV/µs)
typ.
(@100 Vdc or
@50Vdc for 90V)
E1/M;E2/M
Impulse Discharge Discharge
Discharge Current
Current
(1 time)
E1+E2/M E1+E2/M
Current
(50Hz;
9 cycles)
E1+E2/M
E1/M;E2/M
(50Hz; 1s;
(10 times)
UL-rec.
•
A440 S0 0090 01 00
A441 S0 0090 01 04
A442 S0 0090 01 04
A442 F0 0090 01 04*
90V
+/- 20%
+/- 20%
< 450V
< 550V
~ 60V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
10kA
10kA
15kA
15kA
10A
10A
40A
40A
A440 S0 0230 01 00
A440 F0 0230 01 00*
A441 S0 0230 01 04 230V
A442 S0 0230 01 04
~ 200V
•
A442 F0 0230 01 04*
A440 F0 0250 01 00* 250V
+/- 20%
+/- 20%
< 550V
< 800V
~ 200V
~ 200V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
10kA
10kA
15kA
15kA
10A
10A
40A
40A
•
•
A440 S0 0350 01 00
A440 F0 0350 01 00*
350V
A441 S0 0350 01 04
A442 F0 0350 01 04*
A440 F0 0420 01 00* 420V
A440 S0 0600 01 00
+/- 20%
+/- 20%
< 850V
~ 200V
~ 200V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
10kA
10kA
15kA
15kA
10A
10A
40A
40A
•
•
600V
< 1000V
A441 S0 0600 01 04
other values on request
* with failsafe
Specifications are subject to change without notice.
Order
Example
Qty.
Order-
Number
Type
A420
Failsafe Option Sparkover Volt. Tolerance
Packaging
00
S0
0090
01
WebSite
Europe Tel: +49 2302 662-107
Americas Tel: +1 404 699-7820
Asia Tel: +852 26 14-1108
China Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
050915
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
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