GTCA28-471M-R20

Gas Discharge Tube Over-Voltage Protection Device PRODUCT: GTCA28-471M-R20 DOCUMENT: SCD28641 REV LETTER: A REV DATE: JULY 26, 2016 PAGE NO.: 1 of 2 Specification Status: Released Marking: 47 R 20 HB Week of Manufacture Per Manufacturer’s Lot numbering system Eg. H = Second half of 2004; B = week 2 Surge Rating 20: 20kA Product Family Voltage Designator 47: 470V Manufacturer’s Mark TABLE I. DIMENSIONS A MIN MAX mm 58.0 66.0 in* (2.28) (2.60) *Rounded off approximation B MIN 5.8 (0.23) D1 MAX 6.2 (0.24) MIN 7.8 (0.31) MAX 8.2 (0.32) D2 NOM 1.0 (0.04) TABLE II. ELECTRICAL CHARACTERISTICS Impulse Sparkover Voltage Insulation Resistance Capacitance Impulse Discharge Current 8/20μs @ 100V/s @100V/μs @1000V/μs @100Vdc @ 1MHz 10 hits(5 hits for each polarity) 470V ± 20% ≤1,050V ≤1,150V ≥10,000Mohms