A440 Datasheet, PDF (1/2 Pages) Littelfuse – GAS DISCHARGE TUBE - 8x10mm

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