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| Gas Discharge Tubes Heavy Duty Delta Range RoHS Pb GreentubeTM SL1026 Series Gas Plasma Arresters (R) The SL1026 series is a heavy-duty transient suppresser using Gas Plasma technology. In response to a transient voltage which exceeds the fixed breakover voltage (selected according to part number) the device changes from a very high impedance state to a low impedance state, there by conducting harmful current away from the protected system. The design is optimized for the protection of electrical and electronic equipment employed in Railway systems: carefully designed geometry ensures the device does not become a short circuit in the event of a failure due to conditions and events beyond the design criteria. An electrical mounting clip (PN SL1053 ) is available to aid mounting and connection. A mounting plate (PN SL 1056) is also available which accepts 10 SL1053's. Mounting of the clips to the plate provides a common ground connection; the plate can then be connected to a suitable ground via the screw terminal. FEATURES * RoHS compliant * 55 kA surge capability (single shot) tested with 8/20S pulse as defined by IEC 61000-4-5 * 40 kA surge capability (repetitive) * Will protect against Trapezoidal waveforms as specified in 8 GAS DISCHARGE TUBES RIA 12. * Will protect against capacitor discharge voltage transient waveforms as specified in RIA 12. * Will protect against double exponential voltage transient waveforms as specified in IEC 571. TYPE 1053 Holder Applications: * Signaling equipment. * Communication equipment * Control gear. * Trackside cabinets. * Cell phone base stations a b e 3 ELECTRODE GDT a=TIP b=RING e=GROUND (centre electrode) GRAPHICAL SYMBOL All dimensions in mm Mechanical Specifications: Weight: Materials: 11g (0.388 oz.) Electrode Base: Nickel Iron Alloy Electrode Plating: Bright Sn Body: Ceramic Color coded body SL1026A275: Black/Black SL1026A400: Black/Yellow SL1026A700: Black/Red ORDERING INFORMATION SL 1026 - Voltage Device Marking: w w w. l i t t e l f u s e . c o m 349 Gas Discharge Tubes Heavy Duty Delta Range RoHS Pb GreentubeTM SL1026 Series Gas Plasma Arresters (R) LITTELFUSE MAXIMUM DUTY 3 TERMINAL ARRESTER TOTALLY NON-RADIOACTIVE, UL RECOGNIZED Max Max Max Max Single Dynamic Repetitive Single Impulse DC Breakover Impulse Impulse Breakover Voltage Discharge Discharge Discharge Max AC DC Voltage @ 1kV/us Current(4)(9) Current(4)(9) Current(1)(4) Current(4)(7) (Vbr) (A) (A) Part Number Voltage (A) (A) (Vbr) SL1026-275 SL1026-400 SL1026-700 SL1026-1100 275 400 700 1100 200-350 300-500 560-840 880-1320 800 900 1000 1700 40,000 40,000 40,000 40,000 55,000 55,000 55,000 55,000 10,000 10,000 10,000 10,000 40 40 40 40 Max AC Current, Nominal 9 cycles Insulation Max Holdover On-State 50Hz(4) Resistance(10) Capacitance(4) Voltage(3) Voltage @ (Ohms) (A) (pF) 1A (V) (V) 200 200 200 200 1x108 1x108 1x108 1x108 2.5 2.5 2.5 2.5 130 130 130 130 20 20 20 20 (1) At delivery AQL 0.65 level II, DIN ISO 2859 (2) In ionized mode (3) Tested according to ITU-T Rec.K.12 (4) Either end electrode to center electrode (5) Total current through center electrode, both line electrodes connected together (6) 100 amps, 10/1000S pulse, as per ITU K 12 (7) 10 shots, A.C. 50Hz, 1 sec. Duration. (9) 10 shots, 8/20S waveform (10) measured @ 100 volts Voltage vs Time Characteristic Max dynamic breakover voltage Voltage (V) Hold-over voltage On-State voltage 0 200 400 600 Time (ns) 800 1000 1200 350 w w w. l i t t e l f u s e . c o m |
Price & Availability of SL1026A
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