Littelfuse, Inc. Datasheets for Circuit Protection Components

Circuit protection devices are used to protect electronic components from unwanted transients such as current and voltage surges, electrostatic discharge (ESD), lightning, spikes and other signals that can imperil the operation or damage the component.
Circuit Protection Components: Learn more

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Product Name	Notes
1.5KE180CA-TB 1.5KE320CA 1.5KE62A-TB 12000072 12000100 12000160 12063 12063-01 1206L005/30WR 1206L005/60WR 1206L005/60WR-A 1206L010/30WR 1206L010/60WR 1206L010/60WR-A 1206L012/48WR 1206L012WR 1206L016WR 1206L020/30YR 1206L020/30YR-A 1206L020YR 1206L025/24YR 1206L025/30YR 1206L025YR 1206L035/15YR 1206L035/16YR 1206L035/30WR 1206L035YR 1206L050/15YR 1206L050/24WR 1206L050YR 1206L075/13.2WR 1206L075/16WR 1206L075SLYR 1206L075THYR 1206L075WR 1206L100WR 1206L110/12SLYR 1206L110/12WR 1206L110/16WR 1206L110SLYR 1206L110THYR 1206L110WR 1206L110WRT 1206L150/12SLYR 1206L150/16SLWR 1206L150PR 1206L150SLYR 1206L150THWR 1206L150THWR-A 1206L160PR 1206L175PR 1206L175SLYR 1206L200PR 1206L200SLYR 1206L260/12SLYR 1206L260SLTHYR 1206L300/12SLYR 1206L300SLTHYR 1206L300SLWR 1206L350/12SLWR 1206L350SLTHYR 1206L350SLWR 1206L380SLTHYR 1206L380SLWR 1206L400/12SLWR 1206L400SL-SYR 1206L400SLWR 1206L450/12SLWR 1206L450SLWR 1206L500/12SLPR 1206L500SL-VWR 1206L500SL-VYR 1206L500SLWR 1206L600SLWR 1206L700SLPR 1206SFS200F/63-2 1206SFS400F/32-2 1206SFS700F/24-2 1206SFS800F/24-2 120700 12077-01 12080 12080-01 12080-11 12081 12082 12091 12092 1210L005/90WR 1210L005WR 1210L010/90WR 1210L010/90YR 1210L010WR 1210L020/72WR 1210L020WR 1210L035/30WR 1210L035/30WR-A 1210L035/60PR 1210L035YR 1210L050/30WR 1210L050/30WR-A 1210L050YR 1210L050YR-A 1210L075/24PR 1210L075/24PR-A 1210L075YR 1210L110/12WR 1210L110/16WR 1210L110THYR 1210L110WR 1210L150/12WR 1210L150/16WR 1210L150PR 1210L150THWR 1210L175SLYR 1210L175WR 1210L200PR 1210L200SLYR 1210L260SLYR 1210L300SLWR 1210L300SLYR 1210L350/12SLYR 1210L350SLWR 1210L380SLYR 1210L400SLWR 1210L450/12SLWR 1210L450SLWR 1210L500/12SLWR 1210L500SLTH-VYR 1210L500SLWR 1210L550SLWR 1210L600SL-VYR 1210L600SLWR 1210L700SLWR 1210L900SLPR 121100 1222 122814-000 12300 12301 12310 12311 1232 1233 1235 1236 123GG1K 123JG1K 12400 12401 124JG1K 12500 12501 1253 12530300 1254 12540300 1255 1257 1258 125E1C2.75 125E1C5.5 125E1C8.25 125E1CL5.5 125E2C15.5 125E2C15.5S 125E2C2.75 125E2C5.5 125E2C8.25 125E2CL15.5 125E2CL8.25 12805 1304R1B2.75 1304R1B5.5 1304R1BI5.5 1304R1BI8.25 1304R1C2.75 1304R1C2.75S 1304R1C2.75SW 1304R1C2.75W 1304R1C3.8 1304R1C5.5 1304R1C5.5S 1304R1C5.5SW 1304R1C5.5W 1304R1C5.5X 1304R1C5.5XS 1304R1C5.5XSW 1304R1C5.5XW 1304R1C8.25 1304R1C8.25S 1304R1C8.25SW 1304R1C8.25W 1304R1IB5.5 142.0020.5302 142.0020.5402 142.0020.5502 142.0020.5602 142.0020.5702 142.0020.5802 142.0020.6102 142.0020.6122 142.0020.6152 142.0020.6202 142.5395.6102 142.5395.6122 142.5395.6152 142.5395.6172 142.5395.6202 142.5395.6222 142.5395.6252 142.5395.6302 142.5631.5302 142.5631.5402 142.5631.5502 142.5631.5702 142.5631.6122 142.5631.6152 142.5631.6202 142.6185.4106 142.6185.4206 142.6185.4506 142.6185.5206 142.6185.5306 142.7010.5302 142.7010.5402 142.7010.5502 142.7010.5602 142.7010.5702 142.7010.5802 142.7010.6102 142.7010.6122 142.7010.6152 142.7010.6202 1465 1505R1B2.75 1505R1B5.5 1505R1BI5.5 1505R1BI8.25 1505R1C2.75 1505R1C2.75S 1505R1C2.75SW 1505R1C2.75W 1505R1C3.8 1505R1C5.5 1505R1C5.5S 1505R1C5.5SW 1505R1C5.5W 1505R1C5.5X 1505R1C5.5XS 1505R1C5.5XSW 1505R1C5.5XW 1505R1C8.25 1505R1C8.25S 1505R1C8.25SW 1505R1C8.25W 1505R1IB5.5 150E1C2.75 150E1C5.5 150E1C5.5W 150E1C8.25 150E1CL5.5 150E2C15.5 150E2C15.5S 150E2C2.75 150E2C5.5 150E2C8.25 150E2CL15.5 150E2CL8.25 150E3CL15.5 15221500 15221600 15222000 15222060 15222062 15222063 15222200 15222260 15222400 15222600 15223000 15260100 153.0010.5602 153.0010.5802 153.0010.6102 153.0010.6122 153.0020.5302 153.0020.5402 153.0020.5502 153.0020.5602 153.0020.5702 153.0020.5802 153.0020.6102 153.0020.6122 153.0020.6152 153.0020.6202 153.1012 153.1602 153.1612 153.2502 153.2512 153.3502 153.5395.6221 153.5395.6401 153.5395.6402 153.5395.6501 153.5395.6502 153.5600.0002 153.5631.5232 153.5631.5502 153.5631.5802 153.5631.6201 153.5631.6202 153.7000.6202 153.7010.5302 153.7010.5402 153.7010.5502 153.7010.5702 153.7010.6122 153JG1K 154JG1K 155100-1 156.5610.5251 156.5610.5252 156.5610.5301 156.5610.5302 156.5610.5401 156.5610.5402 156.5610.5501 156.5610.5502 156.5610.5601 156.5610.5602 156.5610.5701 156.5610.5702 156.5610.5801 156.5610.5802 156.5610.6101 156.5610.6102 156.5610.6111 156.5610.6112 156.5610.6121 156.5610.6122 156.5610.6151 156.5610.6152 156.5610.6251 156.5610.6252 156.5611.5301 156.5611.5401 156.5611.5501 156.5611.5601 156.5611.5701 156.5611.5801 156.5611.6101 156.5611.6111 156.5611.6121 156.5677.5301 156.5677.5302 156.5677.5401 156.5677.5402 156.5677.5501 156.5677.5502 156.5677.5601 156.5677.5602 156.5677.5801 156.5677.6111 156.5677.6112 156.5677.6151 156.5677.6152 156.5677.6171 156.5677.6172 157.5700.5351 157.5700.5401 157.5700.5631 157.5700.6121 157.5700.6131 157.5700.6141 157.5700.6151 157.5700.6161 157.5700.6171 157.5700.6231 157.5700.6271 157.5700.6301 157.5700.6331 157.5700.6351 157.5700.6401 157.5700.6421 157.5700.6501 157.5916.5351 157.5916.5501 157.5916.5631 157.5916.5801 157.5916.6101 157.5916.6121 157.5916.6131 157.5916.6161 157.5916.6201 157.5916.6251 157.5917.5351 157.5917.5501 157.5917.5631 157.5917.5801 157.5917.6101 157.5917.6121 157.5917.6151 157.5917.6161 157.5917.6171 157.5917.6201 157.5917.6231 157.5917.6251 157.5917.6281 157.5917.6331 157.5917.6351 157.5917.6421 157.5917.6501 15E1C15.5 15E1C15.5S 15E1C2.75 15E1C25.8 15E1C38.0 15E1C5.5 15E1C8.25 15E1CL15.5 15E1CL5.5 15E1CL8.25 15GSE100E 15GSE2125E 15GSE2150E 15GSE2175E 15GSE2200E 15GSE3250E 15GSE3300E 15GSE65E 15GSE80E 15KPA100A-HR 15KPA100A-HRA 15KPA100CA-HR 15KPA100CA-HRA 15KPA110A-HR 15KPA110A-HRA 15KPA110CA-HR 15KPA110CA-HRA 15KPA120A-HR 15KPA120A-HRA 15KPA120CA-HR 15KPA120CA-HRA 15KPA12A 15KPA12CA 15KPA130A-HR 15KPA130A-HRA 15KPA130CA-HR 15KPA130CA-HRA 15KPA13A 15KPA13CA 15KPA14A 15KPA14CA 15KPA150A-HR 15KPA150A-HRA 15KPA150CA-HR 15KPA150CA-HRA 15KPA15A 15KPA15CA 15KPA160A-HR 15KPA160A-HRA 15KPA160CA-HR 15KPA160CA-HRA 15KPA16A 15KPA16CA 15KPA170A-HR 15KPA170A-HRA 15KPA170CA-HR 15KPA170CA-HRA 15KPA17A-HR 15KPA17A-HRA 15KPA17CA-HR 15KPA17CA-HRA 15KPA180A-HR 15KPA180A-HRA 15KPA180CA-HR 15KPA180CA-HRA 15KPA18A-HR 15KPA18A-HRA 15KPA18CA-HR 15KPA18CA-HRA 15KPA200A-HR 15KPA200A-HRA 15KPA200CA-HR 15KPA200CA-HRA 15KPA20A-HR 15KPA20A-HRA 15KPA20CA-HR 15KPA20CA-HRA
Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: 1210L - 1210L010/90 -- 1210L010/90	Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: 1210L - 1210L010/90
Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: Low Rho SMD - 1206L400SLTH-VYR -- 1206L400SLTH-VYR Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: Low Rho SMD - 1206L450SL-VYR -- 1206L450SL-VYR Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: Low Rho SMD - 1210L350SL-SYR -- 1210L350SL-SYR Fuses & Overcurrent Protection - PolySwitch® Resettable PPTC Devices - Surface Mount - PolySwitch® Resettable PPTC Devices - Series: Low Rho SMD - 1210L450SLTH-VYR -- 1210L450SLTH-VYR PolySwitch PPTC for general electronics overcurrent protection -- 1206L400SLQR	Littelfuse Low Rho Surface Mount PPTC (Polymer Positive Temperature Coefficient) devices provide overcurrent protection for applications where ultra low internal resistance. ultra low voltage drop and automatic resettable protection are...
PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 1210L005/90	PolySwitch® Lead-Free Surface Mount Resettable PPTC
PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 1210L020/72 PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 1210L035/60	The 1210L Series PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. RoHS compliant, lead-free and halogen-free Fast response to...

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