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| DISCHARGE TUBE GAS DISCHARGE TUBE 8x10mm No. A45 0/A451/A452 A450/A451/A452 451/A 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 -40C to +90C Climatic Category complies to IEC 60068-1 +40C, 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 < 0.2s Marking , Type, Nom. Voltage, Date Unit Weight ca. 2.5g 8/20s 8/20s 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/s) 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 11 04 other values on request +/- 20% < 450V ~ 200V > 10G < 1.5 pF 20kA 25kA 10A 50A * +/- 20% < 550V ~ 200V > 10G < 1.5 pF 20kA 25kA 10A 50A * +/- 20% < 600V ~ 200V > 10G < 1.5 pF 20kA 25kA 10A 50A * -17/+30% < 800V ~ 200V > 10G < 1.5 pF 20kA 25kA 10A 50A ** with failsafe Specifications are subject to change without notice. Order Example Qty. OrderNumber Type A450 Failsafe Option Sparkover Volt. S0 0230 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 DISCHARGE TUBE GAS DISCHARGE TUBE Dimensions (mm) A450/A451/A452 A450 A450 with Failsafe A451 A452 with Failsafe A452 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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