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A450

Littelfuse
Part Number A450
Manufacturer Littelfuse
Description (A450 - A452) GAS DISCHARGE TUBE
Published Sep 14, 2009
Detailed Description GAS DISCHARGE TUBE www.DataSheet4U.com 8x10mm 451 /A 452 5 0/A No. A4 A45 0/A451 451/A /A452 Littelfuse series SL1021A....
Datasheet PDF File A450 PDF File

A450
A450

Overview
GAS DISCHARGE TUBE www.
DataSheet4U.
com 8x10mm 451 /A 452 5 0/A No.
A4 A45 0/A451 451/A /A452 Littelfuse series SL1021A.
3-electrode (20kA/10A) Enhanced Discharge Series This product is not recommended Features for new designs.
Please refer to Non-radioactive Lead Free Failsafe Option Specifications Packaging A450: 00=Bulk (2.
000 pcs.
) A450/F: 00_Bulk (500 pcs.
) A451: 04=Tray (250 pcs.
) A452/F: 04=Tray (500 pcs.
) Materials Housing: Ceramic Gas: non-radioactive Leads: tin plated Arc Voltage @ 1A ~ 35V Applications Telecommunication Data Transmission 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 UL-rec.
Approvals W ebLinks Further info see: http://www.
wickmanngroup.
com/ download/orderinfo_surgearr.
pdf http://www.
wickmanngroup.
com/ download/crossref_surgearr.
pdf 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 T ime Time complies to ITU-T K.
12 < 0.
2µs Marking , Type, Nom.
Voltage, Date Unit Weight ca.
2.
5g 8/20µs 8/20µs AC AC Nominal Single Nominal Alternating Impulse Impulse Discharge Discharge Discharge Discharge Current Current Current Current (50Hz; 1s; (50Hz; (10 times) (1 time) (10 times) 9 cycles) E1+E2/M E1+E2/M E1+E2/M E1+E2/M Approval Characteristics Type/ Order Code DC sparkover voltage Tolerance Impulse sparkover voltage (1kV/µs) typ.
Glow Insulation Voltage Resistance (@100 Vdc) E1/M;E2/M Capacitance (@1MHZ) E1/M;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 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 A452 F0 0350 01 04** A450 S0 0420 11 00 A450 F0 0420 11 00** 420V A452 S0 0420 ...


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