Littelfuse A470 Gas discharge tube - 9,5x11,5mm Datasheet

GAS DISCHARGE TUBE
9,5x11,5mm
471
/A
472
No. A4
A4770/A
0/A471
471/A
/A472
Specifications
3-electrode (20kA/20A)
High Discharge Series
This product is not recommended Features
Non-radioactive
Lead Free
Failsafe Option
for new designs. Please refer to
Littelfuse series SL1024B.
Applications
Telecommunication
Data Transmission
Subscriber protection
Underground cables
Packaging
A470:
A471:
A472:
00=Bulk (2.000 pcs.)
00=Bulk (100 pcs.)
04=Tray (100 pcs.)
Materials
Housing:
Gas:
Leads:
Ceramic
non-radioactive
tin plated
Arc Voltage @ 1A
~ 35V
Transition Glow to Arc @
Standard
~ 1.0A
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.
WebLinks
Soldering characteristics
complies to IEC 60068-2-20
Further info see:
http://www.wickmanngroup.com/
download/orderinfo_surgearr.pdf
http://www.wickmanngroup.com/
download/crossref_surgearr.pdf
Soldering Heat Resistance
complies to IEC 60068-2-58
Transverse Delay TTime
ime
complies to ITU-T K.12
< 0.2µs
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
Single
Discharge
Discharge
Current
(1 time)
E1+E2/M
AC
AC
Nominal Alternating
Discharge
Current
Current
(50Hz; 1s;
(50Hz;
(10 times)
9 cycles)
E1+E2/M
E1+E2/M
Approval
UL-rec.
A470 S0 0260 01 00
260V
+/- 20%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
A470 S0 0350 13 00
A471 S0 0350 13 04
A472 S0 0350 13 04
350V
-15%/+40%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
•
A470 S0 0600 01 00
A471 S0 0600 01 04
A472 S0 0600 01 04
600V
+/- 20%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
•
A470 S0 0650 12 00
A471 S0 0650 12 04
A472 S0 0650 12 04
650V
+/- 25%
< 200V
~ 200V
> 10GΩ
< 1.5 pF
20kA
30kA
20A
130A
•
other values on request
Order
Example
050915
8/20µs
Nominal
Impulse
Discharge
Current
(10 times)
E1+E2/M
Specifications are subject to change without notice.
Qty.
OrderNumber
WebSite
Europe Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: [email protected]
Type
A470
Failsafe Option Sparkover Volt.
S0
0260
Americas Tel: +1 404 699-7820
E-mail: [email protected]
Tolerance
01
Asia Tel: +852 26 14-1108
E-mail: [email protected]
Packaging
00
China Tel: +86 21 6432 5146
E-mail: [email protected]
GAS DISCHARGE TUBE
Dimensions (mm) A470/A471/A472
A470
A471
A472
050915
WebSite
Europe Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: [email protected]
Americas Tel: +1 404 699-7820
E-mail: [email protected]
Asia Tel: +852 26 14-1108
E-mail: [email protected]
China Tel: +86 21 6432 5146
E-mail: [email protected]
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