A450
A450 is GAS DISCHARGE TUBE manufactured by Littelfuse.
GAS DISCHARGE TUBE
..
8x10mm 451 /A 452 5 0/A No. A4 A45 0/A451 451/A /A452
Littelfuse series SL1021A.
3-electrode (20k A/10A) Enhanced Discharge Series This product is not remended 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
Telemunication Data Transmission Subscriber protection Underground cables
Transition Glow to Arc @
~ 1.0A
Standard
UL-497B plies to ITU-T K.12 (formerly CCITT) plies to DIN 57845/VDE 0845 UL-rec.
Approvals
W eb Links
Further info see: http://.wickmanngroup./ download/orderinfo_surgearr.pdf http://.wickmanngroup./ download/crossref_surgearr.pdf
Operating temperature -40°C to +90°C Climatic Category plies to IEC 60068-1 +40°C, 21 days, <93% humidity Soldering characteristics plies to IEC 60068-2-20 Soldering Heat Resistance plies to IEC 60068-2-58 Transverse Delay T ime Time plies 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 (1k V/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...