GAS DISCHARGE TUBE 8x10mm 451 /A 452 No. A4 A455 0/A 0/A451 451/A /A452 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 Littelfuse series SL1021A. Applications 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 Telecommunication Data Transmission Subscriber protection Underground cables 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 TTime ime complies to ITU-T K.12 Standard UL-497B complies to ITU-T K.12 (formerly CCITT) complies to DIN 57845/VDE 0845 Approvals UL-rec. W ebLinks Further info see: http://www.wickmanngroup.com/ download/orderinfo_surgearr.pdf http://www.wickmanngroup.com/ download/crossref_surgearr.pdf < 0.2µs Marking , Type, Nom. Voltage, Date Unit Weight ca. 2.5g Characteristics Type/ Order Code DC sparkover voltage Impulse sparkover voltage (1kV/µs) typ. Glow Insulation Voltage Resistance (@100 Vdc) E1/M;E2/M Capacitance (@1MHZ) E1/M;E2/M 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 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** +/- 20% < 450V ~ 200V > 10GΩ < 1.5 pF 20kA 25kA 10A 50A • A450 S0 0250 01 00** A451 S0 0250 01 04 A452 S0 0250 01 04 250V A452 F0 0250 01 04** +/- 20% < 550V ~ 200V > 10GΩ < 1.5 pF 20kA 25kA 10A 50A • A450 S0 0350 01 00 A451 S0 0350 01 04 A452 S0 0350 01 04 350V A452 F0 0350 01 04** +/- 20% < 600V ~ 200V > 10GΩ < 1.5 pF 20kA 25kA 10A 50A • A450 S0 0420 11 00 A450 F0 0420 11 00** 420V A452 S0 0420 11 04 -17/+30% < 800V ~ 200V > 10GΩ < 1.5 pF 20kA 25kA 10A 50A other values on request Order Example 050915 Tolerance ** with failsafe Qty. OrderNumber WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Specifications are subject to change without notice. Type A450 Failsafe Option Sparkover Volt. S0 0230 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) 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: [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]