Gas Discharge Tube Gdt Products Page 55 Gas Discharge Tube GDT Products

Gas Discharge Tubes 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/06/15 SE Series Reflow Condition Pb - Free assembly Pre Heat - Temperature Min (T s(min) ) 150C - Temperature Max (T s(max) ) 200C - Time (Min to Max) (t s ) 60 - 180 secs Average ramp up rate (Liquidus Temp (T L ) to peak 3C/second max T S(max) to T L - Ramp-up Rate 5C/second max Reflow - Temperature (T L ) (Liquidus) 217C - Temperature (t L ) 60 - 150 seconds Peak Temperature (T P ) 260 +0/-5 C Time within 5C of actual peak Temperature (t p ) 10 - 30 seconds Ramp-down Rate 6C/second max Time 25C to peak Temperature (T P ) 8 minutes Max. Do not exceed 260C Soldering Parameters - Reflow Soldering (Surface Mount Devices) Time Temperature T P T L T S(max) T S(min) 25 t P t L t S time to peak temperature (t 25C to peak) Ramp-down Ramp-up Preheat Critical Zone T L to T P Device Dimensions [0.126 +/- 0.012] 3.2+/-0.3 [0.157] 4 [0.063] 1.6 [0.063+/- 0.008] 1.6+/- 0.2 Recommended Pad Layout Dimensions in mm and inch [...] [0.047] 1.2 [0.094] 2.4 [0.063+/- 0.008] 1.6+/- 0.2 SE xxx Breakdown Voltage 140 = 140V 200 = 200V 230 = 230V 350 = 350V 470 = 470V 500 = 500V Series 1206 Square GDT Packaging Part Number Packaging Option Quantity SE140 Tape and Reel 3,000 SE200 Tape and Reel 3,000 SE230 Tape and Reel 3,000 SE350 Tape and Reel 3,000 SE470 Tape and Reel 3,000 SE500 Tape and Reel 3,000 Part Numbering System and Ordering Information

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