SDP0720Q38B - SDPXXX0Q38X Series

Series: SDPXXX0Q38X
Obsolete: 2012 -07-09 Replaced By: SDP0720Q38CB
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

This new SIDACtor series provides overvoltage protection for applications such as ADSL2+ and 1000BaseT with a minimal affect on the data signal. This latest silicon design innovation results in capacitive loading characteristic that is compatible with these high bandwidth applications. This QFN package is a surface mount solution offered with a surge capability that meets or exceeds most worldwide intra-building standards and recommendations for lightning surge withstand capability of secondary protectors.

  • RoHS compliant
  • QFN (Quad Flatpak No-lead) surface mount package
  • Low insertion loss
  • Low log linear voltage dependent capacitance.
  • Bidirectional transient voltage protection
  • Crowbarring speed of nanoseconds
  • Teccor branded SIDACtor technology
  • Balanced longitudinal load capacitance
  • Balanced overvoltage protection


  • YD/T 950
  • YD/T 993
  • YD/T 1082
  • GR 1089 Intra-building
  • GR 1089 Inter-building*
  • IEC 61000-4-5
  • ITU K.20/21 Basic Level
  • ITU K.20/21 Enhanced Level*
  • TIA-968-A

*Requires series resistance such as the 600R150 PTC.

Littelfuse_UL_QVGQ2_E128662icon UR_QVGQ2_E128662

Littelfuse Irving Matamoros_ISO9001 2000_040907icon 2021-08-13_ISO 9001 2015_Matamoros Mexico

SIDACtor Protection Thyristor SDP Series 5x6 QFN Datasheet

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