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SG230 Dataheets PDF



Part Number SG230
Manufacturers Littelfuse
Logo Littelfuse
Description Gas Discharge Tubes
Datasheet SG230 DatasheetSG230 Datasheet (PDF)

SG Series Gas Discharge Tubes SG Series RoHS Agency Approvals AGENCY AGENCY FILE NUMBER E128662 2 Electrode GDT Graphical Symbol Additional Information Datasheet Resources Samples Description Littelfuse SG series GDT offers high surge ratings in a miniature package. It’s designed for surface mounting on PCB with small size 4.5x3.2x2.7mm. Low insertion loss is perfectly suited to broadband equipment applications. The capacitance does not vary with voltage, and will not cause operational.

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SG Series Gas Discharge Tubes SG Series RoHS Agency Approvals AGENCY AGENCY FILE NUMBER E128662 2 Electrode GDT Graphical Symbol Additional Information Datasheet Resources Samples Description Littelfuse SG series GDT offers high surge ratings in a miniature package. It’s designed for surface mounting on PCB with small size 4.5x3.2x2.7mm. Low insertion loss is perfectly suited to broadband equipment applications. The capacitance does not vary with voltage, and will not cause operational problems with ADSL2+, where capacitance variation across Tip and Ring is undesirable. These devices are extremely robust and are able to divert a 1000A pulse without destruction. Features • RoHS compliant and Lead-free • GHz working frequency • Excellent stability on multiple pulse duty cycle • Excellent response to fast rising transients. • Ultra Low Insertion Loss • 1-2KA surge capability tested with 8/20μS pulse as defined by IEC 61000-4-5 • Ultra small devices offered in a variety of mounting lead forms • Non-Radioactive • Low capacitance (<1pF) • Voltage Ranges 75V to 600V • UL recognized • Conforms to ITU-T K12, IEC 1000-4-5 • Square Outline Applications • Communication equipment • CATV equipment • Test equipment • Data lines • Power supplies • Telecom SLIC protection • Broadband equipment • ADSL equipment, including ADSL2+ • XDSL equipment • Satellite and CATV equipment • General telecom equipment © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/12/17 Gas Discharge Tubes SG Series Electrical Characteristics Device Specifications (at 25°C) Life Ratings Part Number SG75 SG90 SG150 SG200 SG230 SG300 SG300Q SG350 SG350Q SG400 SG420 SG420Q SG450Q SG500Q SG600Q DC Breakdown Impulse Impulse Insulation Capaci- in Volts Breakdown Breakdown Resistance tance (@100V/s) in Volts In Volts (@1MHz) (@100V/µs) (@1 Kv/µsec) MIN TYP MAX 52 75 98 63 90 117 105 150 195 140 200 260 172 230 288 225 300 375 210 300 390 263 350 437 263 350 437 300 400 500 315 420 525 315 420 525 370 450 500 400 500 600 450 600 750 MAX 500 500 500 550 650 700 580 750 600 800 800 650 680 950 1100 650 600 600 700 800 850 650 900 700 950 1000 750 750 1050 1200 MIN MAX >1GΩ (at 50VDC) >1GΩ (at 100VDC) <1 pf >1GΩ (at 50VDC) <0.8 pf <1 pf >1GΩ (at 100VDC) <0.5 pf <1 pf Arc Voltage (@1A) ~10 V ~12 V ~20 V ~12 V ~10 V ~20 V ~20 V ~16 V ~20 V Glow Glow Nominal Nominal Nominal to Arc Voltage AC Impulse Impulse Transition Discharge Discharge Discharge Current Current Current Current (x10 @50Hz) (x10 @8/20µs) (10/1000µs 100 cycles) ~1.0 A ~60 V 2A 2.5 A 2kA ~0.5 A ~90 V 2A ~0.8 A ~140 V ~90 V NA* 2A 10 A ~0.5 A ~140 V ~90 V NA* 2A 1kA ~60 V 2A <1.0 A NA* ~0.1 A <0.5 A ~140 V 1A 2A * Specification is not applicable for quick response (SGxxxQ) version of product Product Characteristics Materials Storage and Operational Temperature Device Tin Plated 17.5±12.5 Microns Construction Ceramic Insulator. -40 to +90 °C Typical Insertion Loss @ 1.0 GHz = 0.01 dB @ 1.4GHz = 0.1 dB @ 1.8 GHz = 0.53 dB @ 2.1 GHz = 0.81 dB @ 2.45 GHz= 1 dB @ 2.8 GHz = 1.2 dB @ 3.1 GHz = 1.5 dB @ 3.5 GHz = 2.1 dB Voltage (V) Voltage vs. Time Characteristic Max dynamic breakover voltage Hold-over voltage On-State voltage 0 200 400 600 800 1000 1200 Time (ns) © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/12/17 Gas Discharge Tubes SG Series Soldering Parameters - Reflow Soldering (Surface Mount Devices) Reflow Condition Pb – Free assembly - Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (Min to Max) (ts) Average ramp up rate (LiquidusTemp (TL) to peak TS(max) to TL - Ramp-up Rate Reflow -Temperature (TL) (Liquidus) - Temperature (tL) Peak Temperature (TP) Time within 5°C of actual peak Temperature (tp) Ramp-down Rate Time 25°C to peakTemperature (TP) Do not exceed 150°C 200°C 60 – 180 secs 3°C/second max 5°C/second max 217°C 60 – 150 seconds 260+0/-5 °C 10 – 30 seconds 6°C/second max 8 minutes Max. 260°C Temperature TP TL TS(max) Ramp-up TS(min) Preheat tS 25 time to peak temperature (t 25ºC to peak) tP Critical Zone TL to TP tL Ramp-down Time Device Dimensions Dimensions in Millimeters. 3.2 +/- 0.3 0.5 +/- 0.1 4.5 +/- 0.3 2.7 +/- 0.3 5.2 2.8 4 Recommended Soldering Pad Layout Device Marking Type Production Code Year Code (last digit) A3A Production Month Code Type Code A SG75 B SG90 C SG150 D SG230 E SG300 F SG300Q G SG350 H SG350Q I SG400 J SG420 K SG420Q L SG450Q M SG500Q N SG600Q O SG200 Month Code A January B February C March D April E May F June G July H August I September J October K November L December © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/12/17 Gas Discharge Tubes SG Series Tape and Reel Dimensions (IEC 60286-3, dimension in mm) Tape Specificat.


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