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Home » NEWEST Products » New by Manufacturer » Littelfuse » Littelfuse Pxxx1DF-1 / Pxxx1DF-1E Thyristors
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Littelfuse Pxxx1DF-1 / Pxxx1DF-1E Thyristors

Littelfuse Pxxx1DF-1 and Pxxx1DF-1E SIDACtor® Protection Thyristors are MS-012 packaged fixed voltage single port series devices designed to protect sensitive SLICs (Subscriber Line Interface Circuits) from damaging overvoltage transients. Littelfuse PxxxDF-1E thyristors are enhanced devices that feature integrated fast switching diodes for positive voltage surges. Both the Pxxx1DF-1 and PxxxDF-1E series provide single port protection using a fixed voltage switching device for negative surges. Positive surges are routed through enhanced switching diodes to a ground reference. These Littelfuse thyristors are pin-to-pin compatible to industry standard programmable SO-8 SLIC protectors.

Features
  • Integrated diodes for positive voltage surges
  • Single port protection in one package
  • Low voltage overshoot
  • Low on-state voltage
  • Does not degrade with use
  • Fails short circuit when surged in excess of ratings
  • Pin-to-pin SO-8 compatible footprint
  • mA min (IH): 150
  • mA max (IS): 800
Applications
  • Voice Line Cards
  • Integrated Access Devices
  • Multi-Service Access Network Equipment
  • VoIP Phones, Terminals, and Gateways
Applicable Global Standards
  • TIA-968-A
  • ITU K.20/21 Enhanced Level
  • ITU K.20/21 Basic Level
  • GR 1089 Inter-building
  • GR 1089 Intra-building
  • IEC 61000-4-5
  • YD/T 1082
  • YD/T 993
  • YD/T 950
Schematic Symbol
Part Number V min (VDRM@IDRM=5μA) V max (VS@100V/μs)
P1001DF-1 85 110
P0721DF-1 65 88
P1101DF-1 95 130
P0901DF-1 75 98
P0641DF-1 58 77
P0721DF-1E 65 88
P0991DF-1E 80 104
P0901DF-1E 75 98
P1001DF-1E 85 110
P0641DF-1E 58 77
P1101DF-1E 95 130
P1701DF-1E 160 200
P1301DF-1E 120 160
  • Littelfuse
  • Circuit Protection|Semiconductors|Discrete Semiconductors|Thyristors - Diacs, Sidacs, SCRs & Triacs