ASLPart.MfrPart.MfrSupplierDescriptionStock@qtyMinQtyPackageSeriesProductStatusTypeHoldingTemperatureRatedFunctioningTemperatureResetTemperatureVoltageRating-ACVoltageRating-DCCurrentRating(Amps)ApprovalAgencyMaximumTemperatureLimit
SDF DF100SCanthermCanthermTCO 250VAC 10A 100C (212F) AXIAL26,21101BulkSDFActiveFuse78°C (174°F)100°C (212°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF128SCanthermCanthermTCO 250VAC 10A 128C (262F) AXIAL3,78701BulkSDFActiveFuse106°C (223°F)128°C (262°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF119SCanthermCanthermTCO 250VAC 10A 119C (246F) AXIAL7,58901BulkSDFActiveFuse95°C (203°F)119°C (246°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF152SCanthermCanthermTCO 250VAC 10A 152C (306F) AXIAL3,81401BulkSDFActiveFuse128°C (262°F)152°C (306°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SA72SB0Bourns Inc.Bourns Inc.THERMOSTAT 72DEG C SPST-NC 4SMD17,76301Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SAActiveBreaker-72°C (162°F)40°C (104°F)-2825 AcUL, TUV, UL-
L5008424DELB0XECanthermCanthermTCO 250VAC 15A 84C (183F) CYL3901BagL50ActiveFuse60°C (140°F)84°C (183°F)-250-15 A-114°C (237°F)
AC90ABDBourns Inc.Bourns Inc.THERMOSTAT 90DEG C NC STRAP SLDR30301BagACActiveBreaker-90°C (194°F)40°C (104°F)-2835 AcUL, TUV, UL-
AC72ABDBourns Inc.Bourns Inc.THERMOSTAT 72DEG C SPST-NC 2SMD3801BagACActiveBreaker-72°C (162°F)40°C (104°F)-2835 AcUL, TUV, UL-
L5011024DELB0XECanthermCanthermTCO 250VAC 15A 110C (230F) CYL6501BagL50ActiveFuse88°C (190°F)110°C (230°F)-250-15 A-140°C (284°F)
L5014124DELB0XECanthermCanthermTCO 250VAC 15A 141C (286F) CYL001BagL50ActiveFuse117°C (243°F)141°C (286°F)-250-15 A-171°C (340°F)
SDF DF141SCanthermCanthermTCO 250VAC 10A 141C (286F) AXIAL42,79401BulkSDFActiveFuse117°C (243°F)141°C (286°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF184SCanthermCanthermTCO 250VAC 10A 184C (363F) AXIAL27,91001BulkSDFActiveFuse160°C (320°F)184°C (363°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF084SCanthermCanthermTCO 250VAC 10A 84C (183F) AXIAL17,10901BulkSDFActiveFuse60°C (140°F)84°C (183°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF104SCanthermCanthermTCO 250VAC 10A 104C (219F) AXIAL4,75001BulkSDFActiveFuse80°C (176°F)104°C (219°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF091SCanthermCanthermTCO 250VAC 10A 91C (196F) AXIAL6,03701BulkSDFActiveFuse67°C (156°F)91°C (196°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF098SCanthermCanthermTCO 250VAC 10A 98C (208F) AXIAL5,44801BulkSDFActiveFuse76°C (169°F)98°C (208°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF144SCanthermCanthermTCO 250VAC 10A 144C (291F) AXIAL4,73001BulkSDFActiveFuse120°C (248°F)144°C (291°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF192SCanthermCanthermTCO 250VAC 10A 192C (378F) AXIAL3,34301BulkSDFActiveFuse162°C (324°F)192°C (378°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF072SCanthermCanthermTCO 250VAC 10A 72C (162F) AXIAL2,33301BulkSDFActiveFuse50°C (122°F)72°C (162°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SDF DF077SCanthermCanthermTCO 250VAC 10A 77C (171F) AXIAL1,91001BulkSDFActiveFuse55°C (131°F)77°C (171°F)-250-10 ACCC, cUL, PSE, UL, VDE-
SC77AABBourns Inc.Bourns Inc.TCO 28VDC 25A 77C (171F) SMD9,23601Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)77°C (171°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC82AABBourns Inc.Bourns Inc.TCO 28VDC 25A 82C (180F) SMD5,87301Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)82°C (180°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC72AAABourns Inc.Bourns Inc.TCO 28VDC 25A 72C (162F) SMD5,91101Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)72°C (162°F)40°C (104°F)-2825 AcUL, TUV, UL-
LC82AY-1Bourns Inc.Bourns Inc.THERMOSTAT 82DEG C NC STRAP SLDR4,68301BagKomatsulite™, LCActiveBreaker-82°C (180°F)40°C (104°F)-285 AcUL, TUV, UL-
NR85CB0Bourns Inc.Bourns Inc.THERMOSTAT 85DEG C SPST-NC 2SMD5,13001BagKomatsulite™, NRActiveBreaker-85°C (185°F)40°C (104°F)-2812 AcUL, TUV, UL-
HC72AY-1Bourns Inc.Bourns Inc.THERMOSTAT 72DEG C NC STRAP SLDR5,13001BagKomatsulite™, HCActiveBreaker-72°C (162°F)40°C (104°F)-2825 AcUL, TUV, UL-
NR85AB0Bourns Inc.Bourns Inc.THERMOSTAT 85DEG C NC STRAP SLDR2,90001BagKomatsulite™, NRActiveBreaker-85°C (185°F)40°C (104°F)-2825 AcUL, TUV, UL-
NR77CB0Bourns Inc.Bourns Inc.THERMOSTAT 77DEG C SPST-NC 2SMD4,84601BagKomatsulite™, NRActiveBreaker-77°C (171°F)40°C (104°F)-2812 AcUL, TUV, UL-
HC85AY-1Bourns Inc.Bourns Inc.THERMOSTAT 85DEG C NC STRAP SLDR1,88001BagKomatsulite™, HCActiveBreaker-85°C (185°F)40°C (104°F)-2825 AcUL, TUV, UL-
NR77AB0Bourns Inc.Bourns Inc.THERMOSTAT 77DEG C NC STRAP SLDR5,27101BagKomatsulite™, NRActiveBreaker-77°C (171°F)40°C (104°F)-2825 AcUL, TUV, UL-
3-104-514SCHURTER Inc.SCHURTER Inc.TCO 60VDC 2SMD1,16401Tape & Reel (TR),Cut Tape (CT),Digi-Reel®RTSActiveFuse----60-UL-
DFP10112TDK-Lambda Americas IncTDK-Lambda Americas IncTCO 250VAC 139C (282F) RADIAL3,05101Bulk-ActiveFuse-139°C (282°F)-250--CCC, UL/cUL, VDE-
AA85AB0Bourns Inc.Bourns Inc.THERMOSTAT 85DEG C NC STRAP SLDR3,00001BagKomatsulite™, AAActiveBreaker-85°C (185°F)40°C (104°F)-2835 AcUL, TUV, UL-
AA82AB0Bourns Inc.Bourns Inc.THERMOSTAT 82DEG C NC STRAP SLDR2,99901BagKomatsulite™, AAActiveBreaker-82°C (180°F)40°C (104°F)-2835 AcUL, TUV, UL-
AA72AB0Bourns Inc.Bourns Inc.THERMOSTAT 72DEG C NC STRAP SLDR2,99701BagKomatsulite™, AAActiveBreaker-72°C (162°F)40°C (104°F)-2835 AcUL, TUV, UL-
AA77AB0Bourns Inc.Bourns Inc.THERMOSTAT 77DEG C NC STRAP SLDR2,90001BagKomatsulite™, AAActiveBreaker-77°C (171°F)40°C (104°F)-2835 AcUL, TUV, UL-
SA85SB0Bourns Inc.Bourns Inc.THERMOSTAT 85DEG C SPST-NC 4SMD8,48801Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SAActiveBreaker-85°C (185°F)40°C (104°F)-2825 AcUL, TUV, UL-
SA82SB0Bourns Inc.Bourns Inc.THERMOSTAT 82DEG C SPST-NC 4SMD2,47901Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SAActiveBreaker-82°C (180°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC85AABBourns Inc.Bourns Inc.TCO 28VDC 25A 85C (185F) SMD2,96501Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)85°C (185°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC72AABBourns Inc.Bourns Inc.TCO 28VDC 25A 72C (162F) SMD1,90901Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)72°C (162°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC82AAABourns Inc.Bourns Inc.TCO 28VDC 25A 82C (180F) SMD4,12601Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)82°C (180°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC77AAABourns Inc.Bourns Inc.TCO 28VDC 25A 77C (171F) SMD2,99301Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)77°C (171°F)40°C (104°F)-2825 AcUL, TUV, UL-
SC85AAABourns Inc.Bourns Inc.TCO 28VDC 25A 85C (185F) SMD1,49801Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SCActiveBreaker25°C (77°F)85°C (185°F)40°C (104°F)-2825 AcUL, TUV, UL-
MHP-TAM6-9-77Littelfuse Inc.Littelfuse Inc.THERMOSTAT 77DEG C SPST-NC STRAP1,53701BagMHP-TAMActiveBreaker-77°C (171°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM6-9-82Littelfuse Inc.Littelfuse Inc.THERMOSTAT 82DEG C SPST-NC STRAP1,88001BagMHP-TAMActiveBreaker-82°C (180°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-77Littelfuse Inc.Littelfuse Inc.THERMOSTAT 77DEG C SPST-NC STRAP1,62901BagMHP-TAMActiveBreaker-77°C (171°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-85Littelfuse Inc.Littelfuse Inc.THERMOSTAT 85DEG C SPST-NC STRAP1,75801BagMHP-TAMActiveBreaker-85°C (185°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-82Littelfuse Inc.Littelfuse Inc.THERMOSTAT 82DEG C SPST-NC STRAP1,70901BagMHP-TAMActiveBreaker-82°C (180°F)40°C (104°F)-912 AcUL, UL-
MHP-TAC6-12-85Littelfuse Inc.Littelfuse Inc.THERMOSTAT 85DEG C SPST-NC STRAP1,06801BulkMHP-TACNot For New DesignsBreaker-85°C (185°F)40°C (104°F)-1225 A--
MHP-TAC15-12-82Littelfuse Inc.Littelfuse Inc.THERMOSTAT 82DEG C SPST-NC STRAP1,07201BulkMHP-TACNot For New DesignsBreaker-82°C (180°F)40°C (104°F)-1225 A--
MHP-TAC15-12-90Littelfuse Inc.Littelfuse Inc.THERMOSTAT 90DEG C SPST-NC STRAP1,01401BulkMHP-TACNot For New DesignsBreaker-90°C (194°F)40°C (104°F)-1225 A--
HCTF235L150000BR00Vishay Beyschlag/Draloric/BC ComponentsVishay Beyschlag/Draloric/BC ComponentsTCO 24VDC 50A 235C (455F) AXIAL69001Tape & Reel (TR),Cut Tape (CT)HCTFActiveFuse160°C (320°F)235°C (455°F)--2450 A--
RTS-BS500SCHURTER Inc.SCHURTER Inc.RTS THERMAL FUSE > 175C WITH SHU11301Tape & Reel (TR),Cut Tape (CT),Digi-Reel®RTSActiveFuse----60170 AUL-
SDF DF240SCanthermCanthermTCO 250VAC 10A 240C (464F) AXIAL001BulkSDFActiveFuse200°C (392°F)240°C (464°F)-250-10 ACCC, cUL, PSE, UL, VDE-
L5007724DELB0XECanthermCanthermTCO 250VAC 15A 77C (171F) CYL6501BagL50ActiveFuse55°C (131°F)77°C (171°F)-250-15 A-110°C (230°F)
L5017024DELB0XECanthermCanthermTCO 250VAC 15A 170C (338F) CYL3001BagL50ActiveFuse146°C (295°F)170°C (338°F)-250-15 A-190°C (374°F)
L5015224DELB0XECanthermCanthermTCO 250VAC 15A 152C (306F) CYL2801BagL50ActiveFuse128°C (262°F)152°C (306°F)-250-15 A-175°C (347°F)
MHP-TAC15-12-85NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 85DEG C SPST-NC STRAP99201BulkMHP-TACActiveBreaker-85°C (185°F)40°C (104°F)-1225 A--
MHP-TAT18-9-90NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 90DEG C SPST-NC STRAP87401BagMHP-TAT18ActiveBreaker-90°C (194°F)40°C (104°F)-2830 AcURus-
MHP-TAM15-9-77NLittelfuse Inc.Littelfuse Inc.MHP-TAM15-9-77N99401BulkMHP-TAMActiveBreaker-77°C (171°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-72NLittelfuse Inc.Littelfuse Inc.MHP-TAM15-9-72N79501BulkMHP-TAMActiveBreaker-72°C (162°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-82NLittelfuse Inc.Littelfuse Inc.MHP-TAM15-9-82N99501BulkMHP-TAMActiveBreaker-82°C (180°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-85NLittelfuse Inc.Littelfuse Inc.MHP-TAM15-9-85N99401BulkMHP-TAMActiveBreaker-85°C (185°F)40°C (104°F)-912 AcUL, UL-
SA77SB0Bourns Inc.Bourns Inc.THERMOSTAT 77DEG C SPST-NC 4SMD23101Tape & Reel (TR),Cut Tape (CT),Digi-Reel®SAActiveBreaker-77°C (171°F)40°C (104°F)-2825 AcUL, TUV, UL-
MHP-TAM15-9-72Littelfuse Inc.Littelfuse Inc.THERMOSTAT 72DEG C SPST-NC STRAP16201BagMHP-TAMActiveBreaker-72°C (162°F)40°C (104°F)-912 AcUL, UL-
MHP-TAM15-9-90Littelfuse Inc.Littelfuse Inc.THERMOSTAT 90DEG C SPST-NC STRAP001BagMHP-TAMActiveBreaker-90°C (194°F)40°C (104°F)-912 AcUL, UL-
MHP-TAC6-12-72Littelfuse Inc.Littelfuse Inc.THERMOSTAT 72DEG C SPST-NC STRAP83201BulkMHP-TACNot For New DesignsBreaker-72°C (162°F)40°C (104°F)-1225 A--
MHP-TAC6-12-82Littelfuse Inc.Littelfuse Inc.THERMOSTAT 82DEG C SPST-NC STRAP9001BulkMHP-TACNot For New DesignsBreaker-82°C (180°F)40°C (104°F)-1225 A--
MHP-TAC15-12-77Littelfuse Inc.Littelfuse Inc.THERMOSTAT 77DEG C SPST-NC STRAP1,00001BulkMHP-TACNot For New DesignsBreaker-77°C (171°F)40°C (104°F)-1225 A--
MHP-TAT18-9-85NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 85DEG C SPST-NC STRAP98601BagMHP-TAT18ActiveBreaker-85°C (185°F)40°C (104°F)-2830 AcURus-
MHP-TAT18-9-77NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 77DEG C SPST-NC STRAP98501BagMHP-TAT18ActiveBreaker-77°C (171°F)40°C (104°F)-2830 AcURus-
MHP-TAT18-9-82NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 82DEG C SPST-NC STRAP99401BagMHP-TAT18ActiveBreaker-82°C (180°F)40°C (104°F)-2830 AcURus-
MHP-TAT18-9-72NLittelfuse Inc.Littelfuse Inc.THERMOSTAT 72DEG C SPST-NC STRAP97301BagMHP-TAT18ActiveBreaker-72°C (162°F)40°C (104°F)-2830 AcURus-
MHP-TAC15-12-72Littelfuse Inc.Littelfuse Inc.THERMOSTAT 72DEG C SPST-NC STRAP71301BulkMHP-TACNot For New DesignsBreaker-72°C (162°F)40°C (104°F)-1225 A--
L50NG913-240-600MMCanthermCanthermTCO 250VAC 15A 240C (464F) CYL3501BulkL50ActiveFuse200°C (392°F)240°C (464°F)-250-15 AVDE260°C (500°F)
USW-116TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 251,00005BagSW-1ActiveFuse127°C (261°F)152°C (306°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-122TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2596505BagSW-1ActiveFuse162°C (324°F)192°C (378°F)-250-10 APSE-
USW-139TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2594505BagSW-1ActiveFuse178°C (352°F)216°C (421°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-138TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2590005BagSW-1ActiveFuse119°C (246°F)144°C (291°F)-250-10 APSE-
USW-102TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2577505BagSW-1ActiveFuse47°C (117°F)72°C (162°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-129TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2567005BagSW-1ActiveFuse103°C (217°F)128°C (262°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-152TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2549501BagSW-1ActiveFuse---250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-104TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2549005BagSW-1ActiveFuse73°C (163°F)98°C (208°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-105TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2548005BagSW-1ActiveFuse52°C (126°F)77°C (171°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-128TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2546005BagSW-1ActiveFuse193°C (379°F)240°C (464°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-120TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2545005BagSW-1ActiveFuse144°C (291°F)167°C (333°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-109TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2547505BagSW-1ActiveFuse57°C (135°F)84°C (183°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-108TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2543505BagSW-1ActiveFuse75°C (167°F)100°C (212°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-114TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2547505BagSW-1ActiveFuse114°C (237°F)139°C (282°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-127TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2536005BagSW-1ActiveFuse159°C (318°F)184°C (363°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-125TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2527005BagSW-1ActiveFuse165°C (329°F)195°C (383°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
USW-110TUS Electronics Inc.US Electronics Inc.THERMAL CUTOFF (THERMAL FUSE) 2537505BagSW-1ActiveFuse84°C (183°F)109°C (228°F)-250-10 ACCC, cUL, PSE, TUV, VDE, UL-
RTS-BC100SCHURTER Inc.SCHURTER Inc.RTS THERMAL FUSE > 175C6801Tape & Reel (TR),Cut Tape (CT),Digi-Reel®RTSActiveFuse----60170 AUL-
L5018424DELB0XECanthermCanthermTCO 250VAC 15A 184C (363F) CYL36701BagL50ActiveFuse160°C (320°F)184°C (363°F)-250-15 A-214°C (417°F)
LC72AY-1Bourns Inc.Bourns Inc.THERMOSTAT 72DEG C NC STRAP SLDR001BagKomatsulite™, LCActiveBreaker-72°C (162°F)40°C (104°F)-285 AcUL, TUV, UL-
L5007224DELB0XECanthermCanthermTCO 250VAC 15A 72C (162F) CYL001BagL50ActiveFuse50°C (122°F)72°C (162°F)-250-15 A-110°C (230°F)
L5010024DELB0XECanthermCanthermTCO 250VAC 15A 100C (212F) CYL41801BagL50ActiveFuse78°C (174°F)100°C (212°F)-250-15 A-250°C (482°F)
L5012824DELB0XECanthermCanthermTCO 250VAC 15A 128C (262F) CYL001BagL50ActiveFuse106°C (223°F)128°C (262°F)-250-15 A-155°C (311°F)
LC77AY-1Bourns Inc.Bourns Inc.THERMOSTAT 77DEG C NC STRAP SLDR8701BagKomatsulite™, LCActiveBreaker-77°C (171°F)40°C (104°F)-285 AcUL, TUV, UL-