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SG420Q

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SG420Q

SQUARE SG 420V QUICK | Series: SG
info
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.
PropertyValue
VMIN Spark (V)
315
VNom Spark (V)
420
VMAX Spark (V)
525
Max Impulse Sparkover Voltage @ 100V/µs (V)
650
Max Impulse Breakdown Voltage @ 1kV/µs (V)
750
Insulation Resistance (Ω)
1
Capacitance (Co) (pF)
1
Impulse Discharge Current @8/20µs (kA)
1
Electrodes
2
Failsafe
No
Insulation Resistance (Voltage Rating)
100
Operating Temperature
-40° to 90°C
  • Lead-free and RoHS compliant
  • GHz working frequency
  • Excellent stability on multiple pulse duty cycle
  • Excellent response to fast rising transients
  • Ultra Low Insertion Loss
  • 1–2 kA surge capability tested with 8/20uS pulse as defined by IEC 8100-4-5
  • Ultra small devices offered in a variety of mounting lead forms
  • Nonradioactive
  • Low capacitance (<1pF)
  • Voltage ratings ranging from 75 V to 420 V

SG420Q Applications

Highlights Section

  • Communication equipment
  • CATV equipment
  • Text equipment
  • Data lines
  • Power supplies
  • Telecom SLIC protection
  • Broadband equipment
  • ADSL equipment including ADSL2+
  • XDSL equipment
  • Satellite and CATV equipment

SG420Q Resources

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Part NumberPart DescriptionRoHSPb-FreeRoHS (2015/863/EU) CertificateREACH (SVHC's) DeclarationREACH (SVHC's)Halogen FreeIPC-Material Declaration
SG420QSQUARE SG 420V QUICKRoHS7/10/2012Pb-Free7/10/2012Pdf IconCoC_RoHS10_SG420QPdf IconREACH201_Declaration_SG420QDoes Not ContainYes7/10/2012

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