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14D471K

Metal Oxide Varistor

The 14D471K is a metal oxide varistor from Bourns. View the full 14D471K datasheet below including key specifications, pinout, electrical characteristics, absolute maximum ratings.

Official 14D471K datasheet (PDF) — the source this page was extracted from.

Manufacturer

Bourns

Category

Metal Oxide Varistor

Package

Radial, Straight Leads, Radial, Kinked Leads (Outward)

14D471K Key Specifications

ParameterValue
Varistor Voltage (Nom. @1mADC)18 V to 1800 V
Max. Continuous Voltage (r.m.s.)11 V to 1100 V
Max. Clamping Voltage (8/20 μs)36 V to 2970 V
Max. Peak Current (8/20 μs) One Time1000 A to 4500 A
Max. Energy (8/20 μs)4.0 J to 335.0 J
Typical Capacitance (1 kHz)156 pF to 14400 pF
Response Time10 ns (Typ.)
Varistor Voltage Tolerance±10 %

14D471K Overview

Part: MOV-14DxxxK Series — Bourns

Type: Metal Oxide Varistor

Description: 14 mm radial leaded varistor series designed to protect against overvoltage transients, offering varistor voltages from 18 V to 1800 V and Vrms from 11 V to 1100 V, with high current handling and fast response times.

Operating Conditions:

  • Operating temperature: -40 to 105 °C
  • Varistor voltage range: 18 V to 1800 V
  • Max continuous voltage (r.m.s.): 11 V to 1100 V

Absolute Maximum Ratings:

  • Max storage temperature: 125 °C
  • Rated Wattage: 0.6 Watt

Key Specs:

  • Varistor Voltage (Nom. @1mADC): 18 V to 1800 V
  • Max. Continuous Voltage (r.m.s.): 11 V to 1100 V
  • Max. Clamping Voltage (8/20 μs): 36 V to 2970 V
  • Max. Peak Current (8/20 μs) One Time: 1000 A to 4500 A
  • Max. Energy (8/20 μs): 4.0 J to 335.0 J
  • Typical Capacitance (1 kHz): 156 pF to 14400 pF
  • Response Time: 10 ns (Typ.)
  • Varistor Voltage Tolerance: ±10 %

Features:

  • High voltage and current rating
  • Straight and kinked lead styles available
  • Bidirectional
  • Surge protection
  • Fast response time
  • RoHS compliant
  • UL 1449 listed

Applications:

  • Power supplies
  • Power systems
  • Line voltage
  • Telecom systems
  • White goods / appliances

Package:

  • 14 mm radial leaded (straight and kinked lead styles)

14D471K Features

  • n High voltage and current rating
  • n Straight and kinked lead styles available
  • n Bidirectional
  • n Surge protection
  • n Fast response time
  • n RoHS compliant*
  • n Agency listing:

14D471K Applications

  • n Power supplies
  • n Power systems
  • n Line voltage
  • n Telecom systems
  • n White goods / appliances

14D471K Pin Configuration

MOV-14D471K — Radial Leaded Metal Oxide Varistor

Pinout

Pin NumberPin NameTypeDescription
1Lead 1Anode/CathodeVaristor Terminal (Bidirectional)
2Lead 2Anode/CathodeVaristor Terminal (Bidirectional)

Notes

  • Package: Radial straight leads (14 mm disc varistor)
  • Bidirectional device: No polarity distinction between leads; either lead may be connected to either terminal
  • Electrical characteristics for MOV-14D471K:
    • Max. Continuous Voltage (r.m.s.): 300 V
    • Max. Continuous Voltage (d.c.): 385 V
    • Voltage @ 1 mA DC (Nominal): 470 V
    • Max. Clamping Voltage @ 50 A (8/20 μs): 775 V
    • Max. Peak Current (8/20 μs): 4500 A
    • Max. Energy (8/20 μs): 125 J
    • Typical Capacitance (1 kHz): 516 pF
  • Physical dimensions (Straight Leads):
    • Dim T (Max.): 5.4 mm (0.213 in.)
    • Dim H (Max.): 20.0 mm (0.787 in.)
    • Dim a (Typ.): 3.2 mm (0.126 in.)
  • Part marking: 14D471K
  • RoHS compliant with 100% Sn plating on terminations

14D471K Electrical Characteristics

Bourns Part No.Max. Continuous Voltage (V)Max. Continuous Voltage (V)Voltage@1mADC (V)Voltage@1mADC (V)Voltage@1mADC (V)Voltage @Class CurrentVoltage @Class CurrentMax. Peak CurrentMax. Energy (J)Typ. Cap. (pF)
Bourns Part No.r.m.s.d.c.Min.Nom.Max.(8/20 Class Currentμ s) Max. Clamping Voltage (V)(8/20 μ s) One Time8/20 μ s1 kHz
MOV-14D180K1114161820(A) 103610004.014400
MOV-14D220K1418202224104310005.012000
MOV-14D270K1722242730105310006.09840
MOV-14D330K2026303336106510007.58640
MOV-14D390K2531353943107710008.67680
MOV-14D470K30384247521093100010.07200
MOV-14D560K354550566210110100011.06960
MOV-14D680K405661687510135100014.06240
MOV-14D820K506574829050135450022.03000
MOV-14D101K60859010011050165450028.02400
MOV-14D121K7510010812013250200450032.02040
MOV-14D151K9512513515016550250450040.01560
MOV-14D181K11515016218019850300450050.01320
MOV-14D201K13017018520022550340450057.01200
MOV-14D221K14018019822024250360450060.01080
MOV-14D241K15020021624026450395450063.0996
MOV-14D271K17522524327029750455450070.0888
MOV-14D301K19025027030033050500450077.0804
MOV-14D331K21027529733036350550450085.0732
MOV-14D361K23030032436039650595450093.0672
MOV-14D391K250320351390429506504500100.0612
MOV-14D431K275350387430473507104500115.0552
MOV-14D471K300385423470517507754500125.0516
MOV-14D511K320415459510561508454500125.0468
MOV-14D561K350460504560616509254500125.0432
MOV-14D621K3855055586206825010254500125.0384
MOV-14D681K4205606126807485011204500130.0360
MOV-14D751K4606156757508255012404500143.0324
MOV-14D781K4856407027808585012904500148.0312
MOV-14D821K5106707388209025013554500157.0300
MOV-14D911K55074581991010015015004500175.0288
MOV-14D102K625825900100011005016504500190.0264
MOV-14D112K680895990110012105018154500213.0240
MOV-14D152K94012001350150016505024754500329.0180
MOV-14D182K110014651620180019805029704500335.0156

14D471K Absolute Maximum Ratings

ParameterSymbolMin.Typ.Max.Unit
Operating TemperatureT OPR-4025105˚C
Storage TemperatureT STG-4025125˚C
Rated WattageP w0.6Watt
Varistor Voltage Temperature CoefficientV TC00.05%/ ˚C
Response TimeT r1025ns
Varistor Voltage ToleranceV tol-10010%

14D471K Ordering Information

MPNPackageTemperature RangePacking
MOV-14D471KRadial, Straight Leads-40 to 105 °CTape & Reel
MOV-14D471KRadial, Straight Leads-40 to 105 °CBulk
MOV-14D471KKRadial, Kinked Leads (Outward)-40 to 105 °CTape & Reel

More datasheets

All Bourns datasheets (7)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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