Datenblatt-Suchmaschine für elektronische Bauteile |
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SL1021B400 Datenblatt(PDF) 3 Page - Littelfuse |
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SL1021B400 Datenblatt(HTML) 3 Page - Littelfuse |
3 / 5 page ©2009 Littelfuse, Inc. Gas Discharge Tube (GDT) Products 21 Revised: November 10, 2009 Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. Customer should verify actual device performance in their specific applications. SL1021A/B, SL1024A/B and PMT8 Series SL1021A/B, SL1024A/B and PMT8 Series Time vs. Current for Failsafe 0.5 1 2 3 4 5 6 7 8 9 11 12 13 14 15 10 20 30 60 12 5 10 15 30 SL102xA with Failsafe SL102xB or PMT8 500 Volt Higher Melting Point Solder SL102xB or PMT8 90 Volt Higher Melting Point Solder SL102xB or PMT8 350 Volt Higher Melting Point Solder Voltage vs. Time Characteristic Time (ns) 0 200 400 600 800 1000 1200 Max dynamic breakover voltage Hold-over voltage On-State voltage Reflow Condition Pb – Free assembly Pre Heat - Temperature Min (T s(min)) 150°C - Temperature Max (T s(max)) 200°C - Time (Min to Max) (t s) 60 – 180 secs Average ramp up rate (Liquidus Temp (T L) to peak 3°C/second max T S(max) to TL - Ramp-up Rate 5°C/second max Reflow - Temperature (T L) (Liquidus) 217°C - Temperature (t L) 60 – 150 seconds Peak Temperature (T P) 260+0/-5 °C Time within 5°C of actual peak Temperature (t p) 10 – 30 seconds Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (T P) 8 minutes Max. Do not exceed 260°C Soldering Parameters - Reflow Soldering (Surface Mount Devices) Time TP TL TS(max) TS(min) 25 tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP Soldering Parameters - Wave Soldering (Thru-Hole Devices) Soldering Parameters - Hand Soldering Dwell Time 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Time (Seconds) Cooling Time Preheat Time Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100 ° C Temperature Maximum: 150 ° C Preheat Time: 60-180 seconds Solder Pot Temperature: 280 ° C Maximum Solder Dwell Time: 2-5 seconds Recommended Process Parameters: Solder Iron Temperature: 350° C +/- 5°C Heating Time: 5 seconds max. Note: Surge Arrestors with a Failsafe mechanism should be individually examined after soldering |
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