G
AS
D
ISCHARGE
T
UBE
9,5x11,5mm
No. A47 0/A471/A472
A470/A471/A472
471/A
for new designs. Please refer to
Littelfuse series SL1024B.
3-electrode (20kA/20A)
High Discharge Series
This product is not recommended
Features
Non-radioactive
Lead Free
Failsafe Option
Specifications
Packaging
A470:
A471:
A472:
Materials
Housing:
Gas:
Leads:
~ 35V
00=Bulk (2.000 pcs.)
00=Bulk (100 pcs.)
04=Tray (100 pcs.)
Ceramic
non-radioactive
tin plated
Applications
Telecommunication
Data Transmission
Subscriber protection
Underground cables
Arc Voltage @ 1A
Transition Glow to Arc @
~ 1.0A
Standard
UL-497B
complies to ITU-T K.12 (formerly CCITT)
complies to DIN 57845/VDE 0845
UL-rec.
Operating temperature
-40°C to +90°C
Climatic Category
complies to IEC 60068-1
+40°C, 21 days, <93% humidity
Soldering characteristics
complies to IEC 60068-2-20
Soldering Heat Resistance
complies to IEC 60068-2-58
Time
Transverse Delay Time
complies to
ITU-T K.12
< 0.2µs
Approvals
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. 3.0g
Characteristics
Type/
Order Code
voltage
DC
Tolerance Impulse
Glow
Insulation Capacitance
sparkover
sparkover Voltage Resistance
(@1MHZ)
voltage
(@100 Vdc)
Impulse
(1kV/µs)
typ.
E1/M;E2/M
E1/M;E2/M
8/20µs
Nominal
Impulse
Discharge
Current
(10 times)
E1+E2/M
20kA
20kA
8/20µs
Single
Discharge
Discharge
Current
(1 time)
E1+E2/M
30kA
30kA
AC
AC
Nominal Alternating
Discharge
Current
Current
(50Hz; 1s;
(50Hz;
(10 times)
9 cycles)
E1+E2/M E1+E2/M
20A
20A
130A
130A
•
Approval
UL-rec.
A470 S0 0260 01 00
A470 S0 0350 13 00
A471 S0 0350 13 04
A472 S0 0350 13 04
A470 S0 0600 01 00
A471 S0 0600 01 04
A472 S0 0600 01 04
A470 S0 0650 12 00
A471 S0 0650 12 04
A472 S0 0650 12 04
260V
350V
+/- 20%
-15%/+40%
< 200V
< 200V
~ 200V
~ 200V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
600V
+/- 20%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
•
650V
+/- 25%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
•
other values on request
Specifications are subject to change without notice.
Order
Example
Qty.
Order-
Number
Type
A470
Failsafe Option Sparkover Volt.
S0
0260
Tolerance
01
Packaging
00
050915
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
G
AS
D
ISCHARGE
T
UBE
Dimensions (mm) A470/A471/A472
A470
A471
A472
050915
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
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