Design Kit WE-VD Disk Varistor

Order Code 820999

Characteristics

  • Fast response time
  • Low leakage current
  • Low clamping voltage
  • Wide range of voltages available
  • Almost no energy consumption in stand-by mode
  • After a surge impulse the varistor works immediately in normal mode so there is no slip current
  • Excellent absorption at surge impulses
  • Operating temperature:–40 ºC to +85 ºC for types up to 95 VRMS–40 ºC to +125 ºC for types from 115 VRMS
  • Response time < 25 ns
  • UL1449 3rd File E332875
  • 14mm HighSurge and all 20mm Types greater or equal to 50Vrms are certified for use in Type 2 SPD applications (a few parts are still in progress)
  • CSA File 224856
  • VDE File 40016986 and 40016998 incl. IEC60950-1 Annex Q

Applications

  • 12–48 VDC distribution
  • 110–400 V power supply
  • Leakage of voltage peaks
  • Surge protection in accordance with EN 61000-4-5

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
VRMS(V)
VDC(V)
VBR(V)
IPeak(A)
Wmax(J)
PDiss(W)
VDE Approval
Samples
WE-VD Disk Varistor, 25 V, 31 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage25 V
DC Operating Voltage31 V
(Reverse) Breakdown Voltage39 V
(Reverse) Peak Pulse Current100 A
Energy Absorption1.2 J
Power Dissipation0.01 W
VDE ApprovalYes 
WE-VD Disk Varistor, 25 V, 31 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage25 V
DC Operating Voltage31 V
(Reverse) Breakdown Voltage39 V
(Reverse) Peak Pulse Current500 A
Energy Absorption4.7 J
Power Dissipation0.05 W
VDE ApprovalYes 
WE-VD Disk Varistor, 25 V, 31 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage25 V
DC Operating Voltage31 V
(Reverse) Breakdown Voltage39 V
(Reverse) Peak Pulse Current1000 A
Energy Absorption9.4 J
Power Dissipation0.1 W
VDE ApprovalYes 
WE-VD Disk Varistor, 40 V, 56 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage40 V
DC Operating Voltage56 V
(Reverse) Breakdown Voltage68 V
(Reverse) Peak Pulse Current250 A
Energy Absorption4.3 J
Power Dissipation0.02 W
VDE ApprovalYes 
WE-VD Disk Varistor, 275 V, 350 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage275 V
DC Operating Voltage350 V
(Reverse) Breakdown Voltage430 V
(Reverse) Peak Pulse Current1200 A
Energy Absorption33 J
Power Dissipation0.25 W
VDE ApprovalYes 
WE-VD Disk Varistor, 275 V, 350 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage275 V
DC Operating Voltage350 V
(Reverse) Breakdown Voltage430 V
(Reverse) Peak Pulse Current3500 A
Energy Absorption80 J
Power Dissipation0.4 W
VDE ApprovalYes 
WE-VD Disk Varistor, 275 V, 350 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage275 V
DC Operating Voltage350 V
(Reverse) Breakdown Voltage430 V
(Reverse) Peak Pulse Current6000 A
Energy Absorption155 J
Power Dissipation0.6 W
VDE ApprovalYes 
WE-VD Disk Varistor, 275 V, 350 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage275 V
DC Operating Voltage350 V
(Reverse) Breakdown Voltage430 V
(Reverse) Peak Pulse Current10000 A
Energy Absorption303 J
Power Dissipation1 W
VDE ApprovalYes 
WE-VD Disk Varistor, 300 V, 385 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage300 V
DC Operating Voltage385 V
(Reverse) Breakdown Voltage470 V
(Reverse) Peak Pulse Current2500 A
Energy Absorption70 J
Power Dissipation0.4 W
VDE ApprovalYes 
WE-VD Disk Varistor, 300 V, 385 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage300 V
DC Operating Voltage385 V
(Reverse) Breakdown Voltage470 V
(Reverse) Peak Pulse Current6000 A
Energy Absorption175 J
Power Dissipation0.6 W
VDE ApprovalYes 
WE-VD Disk Varistor, 320 V, 418 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage320 V
DC Operating Voltage418 V
(Reverse) Breakdown Voltage510 V
(Reverse) Peak Pulse Current6000 A
Energy Absorption190 J
Power Dissipation0.6 W
VDE ApprovalYes 
WE-VD Disk Varistor, 320 V, 418 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage320 V
DC Operating Voltage418 V
(Reverse) Breakdown Voltage510 V
(Reverse) Peak Pulse Current10000 A
Energy Absorption382 J
Power Dissipation1 W
VDE ApprovalYes 
WE-VD Disk Varistor, 460 V, 615 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage460 V
DC Operating Voltage615 V
(Reverse) Breakdown Voltage750 V
(Reverse) Peak Pulse Current6000 A
Energy Absorption230 J
Power Dissipation0.6 W
VDE ApprovalYes 
WE-VD Disk Varistor, 550 V, 745 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage550 V
DC Operating Voltage745 V
(Reverse) Breakdown Voltage910 V
(Reverse) Peak Pulse Current6000 A
Energy Absorption255 J
Power Dissipation0.6 W
VDE ApprovalYes 
WE-VD Disk Varistor, 550 V, 745 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-VD Disk Varistor
AC Operating Voltage550 V
DC Operating Voltage745 V
(Reverse) Breakdown Voltage910 V
(Reverse) Peak Pulse Current10000 A
Energy Absorption510 J
Power Dissipation1 W
VDE ApprovalYes