20KPA Series - 20000W Axial Lead Transient Voltage Suppression (TVS) Diode

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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.

The 20KPA Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Features:

  • Halogen-Free and RoHS compliant
  • Typical maximum temperature coefficient ΔVBR = 0.1% — VBR@25°C
  • Glass passivated chip junction in P600 package
  • 20000W peak pulse capability at 10—1000µs waveform, repetition rate (duty cycles):0.01%
  • Fast response time: typically less than 1.0ps from 0 Volts to BV min
  • Excellent clamping capability
  • Low incremental surge resistance
  • Typical IR less than 2µA above 49V
  • High temperature soldering guaranteed: 265°C./10 seconds/ 0.375" (9.5mm) lead length, 51bs., (2.3kg) tension
  • Plastic package has Underwriters Laboratory Flammability classification 94V-O
  • Matte Tin Lead-free plated

Access specifications, certifications, check availability and order parts below

Catalog #VR (Vso)Watts (W)IPP 10x1000μs (A)MIN VBR@IT
(V)
MAX VBR@IT
(V)
Vc (V)IT
(mA)
Ir@Vso
(μA)
Operating Temperature Maximum CelsiusPolarityPackagePartner ECAD ModelsStockSamplesCompare
20KPA104A10420000120.2116.2127.8216852175UnipolarP60020KPA104ACheckOrder
20KPA104CA10420000120.2116.2127.8216852175BipolarP60020KPA104CACheckOrder
20KPA112A11220000111125.1137.6118252175UnipolarP60020KPA112ACheckOrder
20KPA112CA11220000111125.1137.6118252175BipolarP60020KPA112CACheckOrder
20KPA120A12020000104.1134147.419452175UnipolarP60020KPA120ACheckOrder
20KPA120CA12020000104.1134147.419452175BipolarP60020KPA120CACheckOrder
20KPA132A1322000094.8147.4162.1421352175UnipolarP60020KPA132ACheckOrder
20KPA132CA1322000094.8147.4162.1421352175BipolarP60020KPA132CACheckOrder
20KPA144A1442000087.1160.8176.8823252175UnipolarP60020KPA144ACheckOrder
20KPA144CA1442000087.1160.8176.8823252175BipolarP60020KPA144CACheckOrder
20KPA160A1602000078.3178.7196.5725852175UnipolarP60020KPA160ACheckOrder
20KPA160CA1602000078.3178.7196.5725852175BipolarP60020KPA160CACheckOrder
20KPA172A1722000072.9192.1211.3127752175UnipolarP60020KPA172ACheckOrder
20KPA172CA1722000072.9192.1211.3127752175BipolarP60020KPA172CACheckOrder
20KPA180A1802000069.4201.1221.2129152175UnipolarP60020KPA180ACheckOrder
20KPA180CA1802000069.4201.1221.2129152175BipolarP60020KPA180CACheckOrder
20KPA192A1922000065.4214.5235.9530952175UnipolarP60020KPA192ACheckOrder
20KPA192CA1922000065.4214.5235.9530952175BipolarP60020KPA192CACheckOrder
20KPA204A2042000061.4227.9250.6932952175UnipolarP60020KPA204ACheckOrder
20KPA204CA2042000061.4227.9250.6932952175BipolarP60020KPA204CACheckOrder
20KPA20A2020000548.922.3424.5736.8505000175UnipolarP60020KPA20ACheckOrder
20KPA20CA2020000548.922.3424.5736.8505000175BipolarP60020KPA20CACheckOrder
20KPA216A2162000058241.3265.4334852175UnipolarP60020KPA216ACheckOrder
20KPA216CA2162000058241.3265.4334852175BipolarP60020KPA216CACheckOrder
20KPA232A2322000054259.1285.0137452175UnipolarP60020KPA232ACheckOrder
20KPA232CA2322000054259.1285.0137452175BipolarP60020KPA232CACheckOrder
20KPA240A2402000052.2268.1294.9138752175UnipolarP60020KPA240ACheckOrder
20KPA240CA2402000052.2268.1294.9138752175BipolarP60020KPA240CACheckOrder
20KPA24A2420000490.326.8129.4941.2505000175UnipolarP60020KPA24ACheckOrder
20KPA24CA2420000490.326.8129.4941.2505000175BipolarP60020KPA24CACheckOrder
20KPA256A2562000049286314.641252175UnipolarP60020KPA256ACheckOrder
20KPA256CA2562000049286314.641252175BipolarP60020KPA256CACheckOrder
20KPA26A2620000451.929.0431.9444.7502000175UnipolarP60020KPA26ACheckOrder
20KPA26CA2620000451.929.0431.9444.7502000175BipolarP60020KPA26CACheckOrder
20KPA280A2802000044.8312.8344.0845152175UnipolarP60020KPA280ACheckOrder
20KPA280CA2802000044.8312.8344.0845152175BipolarP60020KPA280CACheckOrder
20KPA28A2820000420.831.2834.4148501000175UnipolarP60020KPA28ACheckOrder
20KPA28CA2820000420.831.2834.4148501000175BipolarP60020KPA28CACheckOrder
20KPA300A3002000041.8335.1368.6148352175UnipolarP60020KPA300ACheckOrder
20KPA300CA3002000041.8335.1368.6148352175BipolarP60020KPA300CACheckOrder
20KPA30A3020000392.233.5136.8651.55250175UnipolarP60020KPA30ACheckOrder
20KPA30CA3020000392.233.5136.8651.55250175BipolarP60020KPA30CACheckOrder
20KPA32A322000037235.7439.3154.35150175UnipolarP60020KPA32ACheckOrder
20KPA32CA322000037235.7439.3154.35150175BipolarP60020KPA32CACheckOrder
20KPA34A3420000351.33841.857.5550175UnipolarP60020KPA34ACheckOrder
20KPA34CA3420000351.33841.857.5550175BipolarP60020KPA34CACheckOrder
20KPA36A3620000328.540.244.2261.5520175UnipolarP60020KPA36ACheckOrder
20KPA36CA3620000328.540.244.2261.5520175BipolarP60020KPA36CACheckOrder
20KPA40A4020000297.944.749.1767.8515175UnipolarP60020KPA40ACheckOrder
20KPA40CA4020000297.944.749.1767.8515175BipolarP60020KPA40CACheckOrder
20KPA44A4420000277.949.154.0172.752175UnipolarP60020KPA44ACheckOrder
20KPA44CA4420000277.949.154.0172.752175BipolarP60020KPA44CACheckOrder
20KPA48A4820000254.453.658.9679.452175UnipolarP60020KPA48ACheckOrder
20KPA48CA4820000254.453.658.9679.452175BipolarP60020KPA48CACheckOrder
20KPA52A5220000235.458.163.9185.852175UnipolarP60020KPA52ACheckOrder
20KPA52CA5220000235.458.163.9185.852175BipolarP60020KPA52CACheckOrder
20KPA56A5620000218.162.668.8692.652175UnipolarP60020KPA56ACheckOrder
20KPA56CA5620000218.162.668.8692.652175BipolarP60020KPA56CACheckOrder
20KPA60A60200002076773.797.652175UnipolarP60020KPA60ACheckOrder
20KPA60CA60200002076773.797.652175BipolarP60020KPA60CACheckOrder
20KPA64A6420000194.271.578.6510452175UnipolarP60020KPA64ACheckOrder
20KPA64CA6420000194.271.578.6510452175BipolarP60020KPA64CACheckOrder
20KPA68A6820000183.67683.611052175UnipolarP60020KPA68ACheckOrder
20KPA68CA6820000183.67683.611052175BipolarP60020KPA68CACheckOrder
20KPA72A7220000174.180.488.4411652175UnipolarP60020KPA72ACheckOrder
20KPA72CA7220000174.180.488.4411652175BipolarP60020KPA72CACheckOrder
20KPA80A8020000155.489.498.3413052175UnipolarP60020KPA80ACheckOrder
20KPA80CA8020000155.489.498.3413052175BipolarP60020KPA80CACheckOrder
20KPA88A8820000142.398.3108.1314252175UnipolarP60020KPA88ACheckOrder
20KPA88CA8820000142.398.3108.1314252175BipolarP60020KPA88CACheckOrder
20KPA96A9620000130.3107.2117.9215552175UnipolarP60020KPA96ACheckOrder
20KPA96CA9620000130.3107.2117.9215552175BipolarP60020KPA96CACheckOrder
20KPA104
Obsolete: 2021 -11-30
Replaced By: 20KPA104A
10420000120.2110.084134.547176.452175UnipolarP60020KPA104
20KPA104C
Obsolete: 2021 -11-30
Replaced By: 20KPA104CA
10420000120.2110.084134.547176.452175BipolarP60020KPA104C
20KPA112
Obsolete: 2021 -11-30
Replaced By: 20KPA112A
11220000111118.516144.853191.152175UnipolarP60020KPA112
20KPA112C
Obsolete: 2021 -11-30
Replaced By: 20KPA112CA
11220000111118.516144.853191.152175BipolarP60020KPA112C
20KPA120
Obsolete: 2021 -11-30
Replaced By: 20KPA120A
12020000104.1126.947155.158203.752175UnipolarP60020KPA120
20KPA120C
Obsolete: 2021 -11-30
Replaced By: 20KPA120CA
12020000104.1126.947155.158203.752175BipolarP60020KPA120C
20KPA132
Obsolete: 2021 -11-30
Replaced By: 20KPA132A
1322000094.8139.642170.674223.6552175UnipolarP60020KPA132
20KPA132C
Obsolete: 2021 -11-30
Replaced By: 20KPA132CA
1322000094.8139.642170.674223.6552175BipolarP60020KPA132C
20KPA144
Obsolete: 2021 -11-30
Replaced By: 20KPA144A
1442000087.1152.339186.189243.652175UnipolarP60020KPA144
20KPA144C
Obsolete: 2021 -11-30
Replaced By: 20KPA144CA
1442000087.1152.339186.189243.652175BipolarP60020KPA144C
20KPA160
Obsolete: 2021 -11-30
Replaced By: 20KPA160A
1602000078.3169.295206.916270.952175UnipolarP60020KPA160
20KPA160C
Obsolete: 2021 -11-30
Replaced By: 20KPA160CA
1602000078.3169.295206.916270.952175BipolarP60020KPA160C
20KPA172
Obsolete: 2021 -11-30
Replaced By: 20KPA172A
1722000072.9181.989222.432290.8552175UnipolarP60020KPA172
20KPA172C
Obsolete: 2021 -11-30
Replaced By: 20KPA172CA
1722000072.9181.989222.432290.8552175BipolarP60020KPA172C
20KPA180
Obsolete: 2021 -11-30
Replaced By: 20KPA180A
1802000069.4190.516232.853305.5552175UnipolarP60020KPA180
20KPA180C
Obsolete: 2021 -11-30
Replaced By: 20KPA180CA
1802000069.4190.516232.853305.5552175BipolarP60020KPA180C
20KPA192
Obsolete: 2021 -11-30
Replaced By: 20KPA192A
1922000065.4203.211248.368324.4552175UnipolarP60020KPA192
20KPA192C
Obsolete: 2021 -11-30
Replaced By: 20KPA192CA
1922000065.4203.211248.368324.4552175BipolarP60020KPA192C
20KPA20
Obsolete: 2021 -11-30
Replaced By: 20KPA20A
2020000548.921.16425.86738.64505000175UnipolarP60020KPA20
20KPA204
Obsolete: 2021 -11-30
Replaced By: 20KPA204A
2042000061.4215.905263.884345.4552175UnipolarP60020KPA204
20KPA204C
Obsolete: 2021 -11-30
Replaced By: 20KPA204CA
2042000061.4215.905263.884345.4552175BipolarP60020KPA204C
20KPA20C
Obsolete: 2021 -11-30
Replaced By: 20KPA20CA
2020000548.921.16425.86738.64505000175BipolarP60020KPA20C
20KPA216
Obsolete: 2021 -11-30
Replaced By: 20KPA216A
2162000058228.6279.4365.452175UnipolarP60020KPA216
20KPA216C
Obsolete: 2021 -11-30
Replaced By: 20KPA216CA
2162000058228.6279.4365.452175BipolarP60020KPA216C
20KPA232
Obsolete: 2021 -11-30
Replaced By: 20KPA232A
2322000054245.463300.011392.752175UnipolarP60020KPA232
20KPA232C
Obsolete: 2021 -11-30
Replaced By: 20KPA232CA
2322000054245.463300.011392.752175BipolarP60020KPA232C
20KPA24
Obsolete: 2021 -11-30
Replaced By: 20KPA24A
2420000490.325.39931.04343.26505000175UnipolarP60020KPA24
20KPA240
Obsolete: 2021 -11-30
Replaced By: 20KPA240A
2402000052.2253.989310.432406.3552175UnipolarP60020KPA240
20KPA240C
Obsolete: 2021 -11-30
Replaced By: 20KPA240CA
2402000052.2253.989310.432406.3552175BipolarP60020KPA240C
20KPA24C
Obsolete: 2021 -11-30
Replaced By: 20KPA24CA
2420000490.325.39931.04343.26505000175BipolarP60020KPA24C
20KPA256
Obsolete: 2021 -11-30
Replaced By: 20KPA256A
2562000049270.947331.158432.652175UnipolarP60020KPA256
20KPA256C
Obsolete: 2021 -11-30
Replaced By: 20KPA256CA
2562000049270.947331.158432.652175BipolarP60020KPA256C
20KPA26
Obsolete: 2021 -11-30
Replaced By: 20KPA26A
2620000451.927.51233.62546.935502000175UnipolarP60020KPA26
20KPA26C
Obsolete: 2021 -11-30
Replaced By: 20KPA26CA
2620000451.927.51233.62546.935502000175BipolarP60020KPA26C
20KPA28
Obsolete: 2021 -11-30
Replaced By: 20KPA28A
2820000420.829.63436.21950.4501000175UnipolarP60020KPA28
20KPA280
Obsolete: 2021 -11-30
Replaced By: 20KPA280A
2802000044.8296.337362.189473.5552175UnipolarP60020KPA280
20KPA280C
Obsolete: 2021 -11-30
Replaced By: 20KPA280CA
2802000044.8296.337362.189473.5552175BipolarP60020KPA280C
20KPA28C
Obsolete: 2021 -11-30
Replaced By: 20KPA28CA
2820000420.829.63436.21950.4501000175BipolarP60020KPA28C
20KPA30
Obsolete: 2021 -11-30
Replaced By: 20KPA30A
3020000392.231.74638.80154.0755250175UnipolarP60020KPA30
20KPA300
Obsolete: 2021 -11-30
Replaced By: 20KPA300A
3302000041.8317.463388.011507.1552175UnipolarP60020KPA300
20KPA300C
Obsolete: 2021 -11-30
Replaced By: 20KPA300CA
3302000041.8317.463388.011507.1552175BipolarP60020KPA300C
20KPA30C
Obsolete: 2021 -11-30
Replaced By: 20KPA30CA
3020000392.231.74638.80154.0755250175BipolarP60020KPA30C
20KPA32
Obsolete: 2021 -11-30
Replaced By: 20KPA32A
322000037233.85941.38357.0155150175UnipolarP60020KPA32
20KPA32C
Obsolete: 2021 -11-30
Replaced By: 20KPA32CA
322000037233.85941.38357.0155150175BipolarP60020KPA32C
20KPA34
Obsolete: 2021 -11-30
Replaced By: 20KPA34A
3420000351.3364460.375550175UnipolarP60020KPA34
20KPA34C
Obsolete: 2021 -11-30
Replaced By: 20KPA34CA
3420000351.3364460.375550175BipolarP60020KPA34C
20KPA36
Obsolete: 2021 -11-30
Replaced By: 20KPA36A
3620000328.538.08446.54764.575520175UnipolarP60020KPA36
20KPA36C
Obsolete: 2021 -11-30
Replaced By: 20KPA36CA
3620000328.538.08446.54764.575520175BipolarP60020KPA36C
20KPA40
Obsolete: 2021 -11-30
Replaced By: 20KPA40A
4020000297.942.34751.75871.19515175UnipolarP60020KPA40
20KPA40C
Obsolete: 2021 -11-30
Replaced By: 20KPA40CA
4020000297.942.34751.75871.19515175BipolarP60020KPA40C
20KPA44
Obsolete: 2021 -11-30
Replaced By: 20KPA44A
4420000277.946.51656.85376.33552175UnipolarP60020KPA44
20KPA44C
Obsolete: 2021 -11-30
Replaced By: 20KPA44CA
4420000277.946.51656.85376.33552175BipolarP60020KPA44C
20KPA48
Obsolete: 2021 -11-30
Replaced By: 20KPA48A
4820000254.450.77962.06383.3752175UnipolarP60020KPA48
20KPA48C
Obsolete: 2021 -11-30
Replaced By: 20KPA48CA
4820000254.450.77962.06383.3752175BipolarP60020KPA48C
20KPA52
Obsolete: 2021 -11-30
Replaced By: 20KPA52A
5220000235.455.04267.27490.0952175UnipolarP60020KPA52
20KPA52C
Obsolete: 2021 -11-30
Replaced By: 20KPA52CA
5220000235.455.04267.27490.0952175BipolarP60020KPA52C
20KPA56
Obsolete: 2021 -11-30
Replaced By: 20KPA56A
5620000218.159.30572.48497.2352175UnipolarP60020KPA56
20KPA56C
Obsolete: 2021 -11-30
Replaced By: 20KPA56CA
5620000218.159.30572.48497.2352175BipolarP60020KPA56C
20KPA60
Obsolete: 2021 -11-30
Replaced By: 20KPA60A
602000020763.47477.579102.4852175UnipolarP60020KPA60
20KPA60C
Obsolete: 2021 -11-30
Replaced By: 20KPA60CA
602000020763.47477.579102.4852175BipolarP60020KPA60C
20KPA64
Obsolete: 2021 -11-30
Replaced By: 20KPA64A
6420000194.267.73782.789109.252175UnipolarP60020KPA64
20KPA64C
Obsolete: 2021 -11-30
Replaced By: 20KPA64CA
6420000194.267.73782.789109.252175BipolarP60020KPA64C
20KPA68
Obsolete: 2021 -11-30
Replaced By: 20KPA68A
6820000183.67288115.552175UnipolarP60020KPA68
20KPA68C
Obsolete: 2021 -11-30
Replaced By: 20KPA68CA
6820000183.67288115.552175BipolarP60020KPA68C
20KPA72
Obsolete: 2021 -11-30
Replaced By: 20KPA72A
7220000174.176.16893.095121.852175UnipolarP60020KPA72
20KPA72C
Obsolete: 2021 -11-30
Replaced By: 20KPA72CA
7220000174.176.16893.095121.852175BipolarP60020KPA72C
20KPA80
Obsolete: 2021 -11-30
Replaced By: 20KPA80A
8020000155.484.695103.516136.552175UnipolarP60020KPA80
20KPA80C
Obsolete: 2021 -11-30
Replaced By: 20KPA80CA
8020000155.484.695103.516136.552175BipolarP60020KPA80C
20KPA88
Obsolete: 2021 -11-30
Replaced By: 20KPA88A
8820000142.393.126113.821149.152175UnipolarP60020KPA88
20KPA88C
Obsolete: 2021 -11-30
Replaced By: 20KPA88CA
8820000142.393.126113.821149.152175BipolarP60020KPA88C
20KPA96
Obsolete: 2021 -11-30
Replaced By: 20KPA96A
9620000130.3101.558124.126162.7552175UnipolarP60020KPA96
20KPA96C
Obsolete: 2021 -11-30
Replaced By: 20KPA96CA
9620000130.3101.558124.126162.7552175BipolarP60020KPA96C