GAS DISCHARGE TUBE
Specifications
3-electrode (20kA/10A)
Enhanced Discharge
Series
8x10mm
Packaging
A450:
00=Bulk (2.000 pcs.)
No. A450/A451/A452
A450/F:
A451:
00_Bulk (500 pcs.)
04=Tray (250 pcs.)
04=Tray (500 pcs.)
This product is not recommended
for new designs. Please refer to
Littelfuse series SL1021A.
A452/F:
Features
Materials
Housing:
Gas:
Non-radioactive
Lead Free
Ceramic
non-radioactive
tin plated
Failsafe Option
Leads:
Applications
Arc Voltage @ 1A
~ 35V
Telecommunication
Data Transmission
Transition Glow to Arc @
~ 1.0A
Subscriber protection
Underground cables
Operating temperature
-40°C to +90°C
Climatic Category
complies to IEC 60068-1
+40°C, 21 days, <93% humidity
Standard
UL-497B
complies to ITU-T K.12 (formerly CCITT)
complies to DIN 57845/VDE 0845
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. 2.5g
Characteristics
Type/
DC
Tolerance Impulse
Glow
Insulation
Capacitance
(@1MHZ)
8/20µs
Nominal
Impulse
8/20µs
Single
AC
AC
Approval
Order Code
sparkover
voltage
sparkover Voltage Resistance
Nominal Alternating
voltage
(1kV/µs)
typ.
(@100 Vdc)
E1/M;E2/M
Impulse Discharge Discharge
Discharge Discharge Current
Current
(10 times)
Current
(50Hz;
9 cycles)
E1/M;E2/M
Current
(1 time)
(50Hz; 1s;
(10 times)
E1+E2/M E1+E2/M E1+E2/M E1+E2/M
UL-rec.
•
A450 S0 0230 01 00
A450 F0 0230 01 00**
A451 S0 0230 01 04 230V
A452 S0 0230 01 04
+/- 20%
+/- 20%
< 450V
< 550V
~ 200V
~ 200V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
20kA
20kA
25kA
25kA
10A
10A
50A
50A
A452 F0 0230 01 04**
A450 S0 0250 01 00**
A451 S0 0250 01 04
A452 S0 0250 01 04
250V
•
•
A452 F0 0250 01 04**
A450 S0 0350 01 00
A451 S0 0350 01 04
A452 S0 0350 01 04
350V
+/- 20%
< 600V
< 800V
~ 200V
~ 200V
> 10GΩ
> 10GΩ
< 1.5 pF
< 1.5 pF
20kA
20kA
25kA
25kA
10A
10A
50A
50A
A452 F0 0350 01 04**
A450 S0 0420 11 00
A450 F0 0420 11 00** 420V
A452 S0 0420 11 04
-17/+30%
other values on request
** with failsafe
Specifications are subject to change without notice.
Order
Example
Qty.
Order-
Number
Type
A450
Failsafe Option Sparkover Volt. Tolerance
Packaging
00
S0
0230
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