L15S Series - Traditional Semiconductor Fuse

L15S
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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.

Designed to protect today’s equipment and systems, Littelfuse semiconductor fuses are manufactured with Littelfuse-developed technology that sets tomorrow’s standards for accuracy, consistent quality, reliability, and predictable performance. By using advanced metallurgical, polymer, and materials research; mathematical modeling, and computerized statistical analysis; Littelfuse engineers have redefined “State-of-the-Art.”

Applications
Designed specifically for supplementary protection of semiconducting devices such as silicon controlled rectifiers (SCR’s), diodes, thyristors, triacs, transistors, and similar solid-state devices. These devices are used in power equipment including variable speed drives, power rectifiers, UPS systems, DC power supplies, and in a wide range of electronic equipment. May be used wherever extremely fast-acting, current-limiting fuses with no time delay are required.

Safety
  • 200,000 A.I.R. — Reliable interruption of all overcurrents up to 200,000 amperes . . . meets present and future system requirements. (Note: L15S series has 100,000 A.I.R.)
  • Extremely Current Limiting — Low I2t and peak let-through currents meet most semiconductor requirements.UL Recognized — Littelfuse semiconductor fuses are recognized under the components program of Underwriters Laboratories, Inc., and carry the mark. UL Recognized semiconductor fuses may be used to provide supplementary protection in UL listed equipment.
Safety
  • Low Watt Losses — Means less heating and power consumption in circuit.
  • Controlled Transient Overvoltages — All circuits are subject to transient overvoltages during fault current interruption. These transient overvoltages (arc voltages) start when fuse links melt or circuit breaker contacts part, and subside when circuit is interrupted. Semiconductors are very sensitive to overvoltages. Littelfuse semiconductor fuse designs keep transient overvoltages to low levels and help reduce semiconductor failure.

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)Interrupting RatingOpeningVAC (V)VDC (V)StockSamplesCompare
L15S001120 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S002220 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S003320 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S004420 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S005520 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S006620 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S007720 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S008820 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S009920 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0101020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0121220 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0151520 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0202020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0252520 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0303020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0353520 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0404020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S040-10040Very Fast-Acting (FF)150CheckOrder
L15S0454520 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S0505020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S050-10050Very Fast-Acting (FF)150CheckOrder
L15S0606020 kA @ 100 VdcVery Fast-Acting (FF)150150CheckOrder
L15S060-10060Very Fast-Acting (FF)150CheckOrder
L15S0707020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S0808020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S0909020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S10010020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S10001000100 kA @ 150 VacVery Fast-Acting (FF)150100CheckOrder
L15S125125100 kA @ 150 VacVery Fast-Acting (FF)150100CheckOrder
L15S15015020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S20020020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S25025020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S30030020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S35035020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S40040020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S400KTAVery Fast-Acting (FF)Check
L15S45045020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S50050020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S60060020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
L15S80080020 kA @ 100 VdcVery Fast-Acting (FF)150100CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
L15S001.T FUS 150V SEMICONDUCTOR 1A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S002.T FUS 150V SEMICONDUCTOR 2A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S003.T FUS 150V SEMICONDUCTOR 3A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S004.T FUS 150V SEMICONDUCTOR 4A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S005.T FUS 150V SEMICONDUCTOR 5A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S006.T FUS 150V SEMICONDUCTOR 6A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S007.T FUS 150V SEMICONDUCTOR 7A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S008.T FUS 150V SEMICONDUCTOR 8A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S009.T FUS 150V SEMICONDUCTOR 9A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S010.T FUS 150V SEMICONDUCTOR 10A RoHS No 08/23/2006 PbFree No 08/23/2006 CoC_RoHS10_L15S010.T No
L15S012.T FUS 150V SEMICONDUCTOR 12A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S015.T FUS 150V SEMICONDUCTOR 15A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S020.T FUS 150V SEMICONDUCTOR 20A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S025.T FUS 150V SEMICONDUCTOR 25A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S030.T FUS 150V SEMICONDUCTOR 30A RoHS No 08/23/2006 PbFree No 08/23/2006 CoC_RoHS10_L15S030.T REACH205_Declaration_L15S030.T
Does not Contain
L15S035.T FUS 150V SEMICONDUCTOR 35A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S040.T FUS 150V SEMICONDUCTOR 40A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S040.TX100 FUS 150V SEMICONDUCTOR 40A 100A BODY RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S045.T FUS 150V SEMICONDUCTOR 45A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S050.T FUS 150V SEMICONDUCTOR 50A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S050.TX100 FUS 150V SEMICONDUCTOR 50A 100A BODY RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S060.T FUS 150V SEMICONDUCTOR 60A RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S060.TX100 FUS 150V SEMICONDUCTOR 60A 100A BODY RoHS No 08/23/2006 PbFree No 08/23/2006 No
L15S070.T FUS 150V SEMICONDUCTOR 70A RoHS No 08/23/2006 PbFree No No
L15S080.T FUS 150V SEMICONDUCTOR 80A RoHS No 08/23/2006 PbFree No No
L15S090.T FUS 150V SEMICONDUCTOR 90A RoHS No 08/23/2006 PbFree No No
L15S100.T FUS 150V SEMICONDUCTOR 100A RoHS No 08/23/2006 PbFree No No
L15S1000V FUS 150V SEMICONDUCTOR 1000A RoHS No 08/23/2006 PbFree No No
L15S125.T FUS 150V SEMICONDUCTOR 125A RoHS No 08/23/2006 PbFree No No
L15S150.T FUS 150V SEMICONDUCTOR 150A RoHS No 08/23/2006 PbFree No No
L15S200.T FUS 150V SEMICONDUCTOR 200A RoHS No 08/23/2006 PbFree No No
L15S250.T FUS 150V SEMICONDUCTOR 250A RoHS No 08/23/2006 PbFree No CoC_RoHS9_L15S250.T No
L15S300.T FUS 150V SEMICONDUCTOR 300A RoHS No 08/23/2006 PbFree No No
L15S350.T FUS 150V SEMICONDUCTOR 350A RoHS No 08/23/2006 PbFree No No
L15S400.T FUS 150V SEMICONDUCTOR 400A RoHS No 08/23/2006 PbFree No No
L15S450.T FUS 150V SEMICONDUCTOR 450A RoHS No 08/23/2006 PbFree No No
L15S500.V FUS 150V SEMICONDUCTOR 500A RoHS No 08/23/2006 PbFree No No
L15S600.V FUS 150V SEMICONDUCTOR 600A RoHS No 08/23/2006 PbFree No No
L15S800.V FUS 150V SEMICONDUCTOR 800A RoHS No 08/23/2006 PbFree No No
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