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209 Lead-Free 350V Slo-Blo® (Time-Lag) Fuses

Littelfuse 209 Series 350V (2AG) Slo-Blo® (Time-Lag) Fuses are available in cartridge form or with axial leads. The series provides the same performance characteristics as its 3AG counterpart while occupying one-third of the space. The glass-bodied fuses offer nickel-plated brass caps, tin-plated copper leads, and an operating temperature range of -55°C to +125°C. The components are in accordance with Underwriter's Laboratories Standard UL 248-14, lead-free, and RoHS compliant. Littelfuse 209 time-lag fuses are ideal for electrical lighting ballasts and have sleeved fuses available.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Current Rating	Fuse Type	Fuse Size/Group	Voltage Rating AC	Interrupt Rating	Mounting Style	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	Resistance
Cartridge Fuses 350V .375A SB 2AG PB-FREE 0209.375MXP Littelfuse 1: £0.986 448In Stock	Mfr. Part No. 0209.375MXP Mouser Part No 576-0209.375MXP	Littelfuse	Cartridge Fuses 350V .375A SB 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	448In Stock	£0.986 £0.882 £0.826 £0.683 View £0.576 £0.554 £0.478 £0.467 £0.453	Min.: 1 Mult.: 1	209	Glass Fuses	375 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	1.17 Ohms
Cartridge Fuses 350V .750A SB 2AG PB-FREE 0209.750MXP Littelfuse 1: £0.856 460In Stock	Mfr. Part No. 0209.750MXP Mouser Part No 576-0209.750MXP	Littelfuse	Cartridge Fuses 350V .750A SB 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	460In Stock	£0.856 £0.747 £0.698 £0.578 View £0.50 £0.47 £0.415 £0.406 £0.393	Min.: 1 Mult.: 1	209	Glass Fuses	750 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	340 mOhms
Cartridge Fuses 350V 1.25A SB PT 2AG PB-FREE 02091.25MXP Littelfuse 1: £0.856 912In Stock	Mfr. Part No. 02091.25MXP Mouser Part No 576-02091.25MXP	Littelfuse	Cartridge Fuses 350V 1.25A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	912In Stock	£0.856 £0.747 £0.698 £0.578 View £0.50 £0.47 £0.415 £0.393 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 6A SB PT 2AG PB-FREE 0209006.MXP Littelfuse 1: £0.856 344In Stock	Mfr. Part No. 0209006.MXP Mouser Part No 576-0209006.MXP	Littelfuse	Cartridge Fuses 350V 6A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	344In Stock	£0.856 £0.747 £0.698 £0.578 View £0.50 £0.47 £0.415 £0.404 £0.392	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 1.25A SB PT 2AG PB-FREE 02091.25MXEP Littelfuse 1: £1.05 464In Stock	Mfr. Part No. 02091.25MXEP Mouser Part No 576-02091.25MXEP	Littelfuse	Cartridge Fuses 350V 1.25A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	464In Stock	£1.05 £0.943 £0.882 £0.725 View £0.612 £0.589 £0.507 £0.506 £0.494	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 4A SB PT 2AG PB-FREE 0209004.MXEP Littelfuse 1: £1.05 990In Stock	Mfr. Part No. 0209004.MXEP Mouser Part No 576-0209004.MXEP	Littelfuse	Cartridge Fuses 350V 4A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	990In Stock	£1.05 £0.943 £0.882 £0.725 View £0.612 £0.589 £0.507 £0.496 £0.485	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 7A SB PT 2AG PB-FREE 0209007.MXEP Littelfuse 1: £1.05 2,000In Stock	Mfr. Part No. 0209007.MXEP Mouser Part No 576-0209007.MXEP	Littelfuse	Cartridge Fuses 350V 7A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	2,000In Stock	£1.05 £0.917 £0.704 £0.608 View £0.549 £0.519 £0.477 £0.446 £0.439	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V .250A SB PT 2AG PB-FREE 0209.250MXEP Littelfuse 1: £1.05 565In Stock	Mfr. Part No. 0209.250MXEP Mouser Part No 576-0209.250MXEP	Littelfuse	Cartridge Fuses 350V .250A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	565In Stock	£1.05 £0.871 £0.803 £0.664 View £0.613 £0.551 £0.507 £0.48	Min.: 1 Mult.: 1	209	Glass Fuses	250 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	2.41 Ohms
Cartridge Fuses 350V .250A SB 2AG PB-FREE 0209.250MXP Littelfuse 1: £0.943 764In Stock	Mfr. Part No. 0209.250MXP Mouser Part No 576-0209.250MXP	Littelfuse	Cartridge Fuses 350V .250A SB 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	764In Stock	£0.943 £0.796 £0.733 £0.608 View £0.555 £0.505 £0.459 £0.436	Min.: 1 Mult.: 1	209	Glass Fuses	250 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	2.41 Ohms
Cartridge Fuses 350V 1A SB 2AG PB-FREE 0209001.MXP Littelfuse 1: £0.826 361In Stock	Mfr. Part No. 0209001.MXP Mouser Part No 576-0209001.MXP	Littelfuse	Cartridge Fuses 350V 1A SB 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	361In Stock	£0.826 £0.698 £0.645 £0.535 View £0.485 £0.443 £0.403 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 2A SB PT 2AG PB-FREE 0209002.MXEP Littelfuse 1: £1.04 898In Stock	Mfr. Part No. 0209002.MXEP Mouser Part No 576-0209002.MXEP	Littelfuse	Cartridge Fuses 350V 2A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	898In Stock	£1.04 £0.863 £0.796 £0.657 View £0.607 £0.545 £0.503 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 2A SB PT 2AG PB-FREE 0209002.MXP Littelfuse 1: £0.882 1,063In Stock	Mfr. Part No. 0209002.MXP Mouser Part No 576-0209002.MXP	Littelfuse	Cartridge Fuses 350V 2A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	1,063In Stock	£0.882 £0.671 £0.626 £0.525 View £0.471 £0.47 £0.423 £0.408 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 3A SB PT 2AG PB-FREE 0209003.MXEP Littelfuse 1: £1.04 1,000In Stock	Mfr. Part No. 0209003.MXEP Mouser Part No 576-0209003.MXEP	Littelfuse	Cartridge Fuses 350V 3A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	1,000In Stock	£1.04 £0.863 £0.796 £0.657 View £0.607 £0.545 £0.503 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 3A SB PT 2AG PB-FREE 0209003.MXP Littelfuse 1: £0.841 855In Stock	Mfr. Part No. 0209003.MXP Mouser Part No 576-0209003.MXP	Littelfuse	Cartridge Fuses 350V 3A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	855In Stock	£0.841 £0.698 £0.645 £0.535 View £0.494 £0.443 £0.409 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 4A SB PT 2AG PB-FREE 0209004.MXP Littelfuse 1: £0.882 1,164In Stock	Mfr. Part No. 0209004.MXP Mouser Part No 576-0209004.MXP	Littelfuse	Cartridge Fuses 350V 4A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	1,164In Stock	£0.882 £0.74 £0.684 £0.567 View £0.511 £0.47 £0.423 £0.389 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 5A SB PT 2AG PB-FREE 0209005.MXEP Littelfuse 1: £0.96 489In Stock	Mfr. Part No. 0209005.MXEP Mouser Part No 576-0209005.MXEP	Littelfuse	Cartridge Fuses 350V 5A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	489In Stock	£0.96 £0.834 £0.78 £0.65 View £0.574 £0.539 £0.485 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 5A SB PT 2AG PB-FREE 0209005.MXP Littelfuse 1: £0.841 447In Stock	Mfr. Part No. 0209005.MXP Mouser Part No 576-0209005.MXP	Littelfuse	Cartridge Fuses 350V 5A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	447In Stock	£0.841 £0.698 £0.645 £0.535 View £0.494 £0.443 £0.417 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 7A SB PT 2AG PB-FREE 0209007.MXP Littelfuse 1: £0.841 743In Stock	Mfr. Part No. 0209007.MXP Mouser Part No 576-0209007.MXP	Littelfuse	Cartridge Fuses 350V 7A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	743In Stock	£0.841 £0.698 £0.645 £0.535 View £0.494 £0.443 £0.417 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V 1.5A SB PT 2AG PB-FREE 020901.5MXEP Littelfuse 1: £1.04 262In Stock	Mfr. Part No. 020901.5MXEP Mouser Part No 576-020901.5MXEP	Littelfuse	Cartridge Fuses 350V 1.5A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	262In Stock	£1.04 £0.863 £0.796 £0.657 View £0.607 £0.545 £0.503 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V SB PT 2AG 3.5A 020903.5MXEP Littelfuse 1: £1.04 994In Stock	Mfr. Part No. 020903.5MXEP Mouser Part No 576-020903.5MXEP	Littelfuse	Cartridge Fuses 350V SB PT 2AG 3.5A Learn More about Littelfuse 209 slo blo fuses	Datasheet	994In Stock	£1.04 £0.863 £0.796 £0.657 View £0.607 £0.545 £0.503 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V .500A SB 2AG PB-FREE 0209.500MXP Littelfuse 1: £0.841 1,000Expected 26/11/2026	Mfr. Part No. 0209.500MXP Mouser Part No 576-0209.500MXP	Littelfuse	Cartridge Fuses 350V .500A SB 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	1,000Expected 26/11/2026	£0.841 £0.698 £0.645 £0.535 View £0.494 £0.443 £0.409 £0.378	Min.: 1 Mult.: 1	209	Glass Fuses	500 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Bulk	688 mOhms
Cartridge Fuses 350V .500A SB PT 2AG PB-FREE 0209.500MXEP Littelfuse 1: £1.04 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 0209.500MXEP Mouser Part No 576-0209.500MXEP	Littelfuse	Cartridge Fuses 350V .500A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	Non-Stocked Lead-Time 17 Weeks	£1.04 £0.863 £0.796 £0.66 View £0.608 £0.547 £0.505 £0.476	Min.: 1 Mult.: 1	209	Glass Fuses	500 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	688 mOhms
Cartridge Fuses 350V 1A SB PT 2AG PB-FREE 0209001.MXEP Littelfuse 1: £1.04 Lead-Time 17 Weeks	Mfr. Part No. 0209001.MXEP Mouser Part No 576-0209001.MXEP	Littelfuse	Cartridge Fuses 350V 1A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	Lead-Time 17 Weeks	£1.04 £0.863 £0.796 £0.657 View £0.607 £0.545 £0.503 £0.475	Min.: 1 Mult.: 1	209	Glass Fuses	1 A	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Board Mount	Axial	- 60 C	+ 125 C	Bulk	210 mOhms
Cartridge Fuses 350V .250A SB PT 2AG PB-FREE 0209.250DRT1P Littelfuse 1,500: £0.541 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 0209.250DRT1P Mouser Part No 576-0209.250DRT1P	Littelfuse	Cartridge Fuses 350V .250A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £0.541	Min.: 1,500 Mult.: 1,500 : 1,500	209	Glass Fuses	250 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Reel	2.41 Ohms
Cartridge Fuses 350V .375A SB PT 2AG PB-FREE 0209.375DRT1P Littelfuse 1,500: £0.508 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 0209.375DRT1P Mouser Part No 576-0209.375DRT1P	Littelfuse	Cartridge Fuses 350V .375A SB PT 2AG PB-FREE Learn More about Littelfuse 209 slo blo fuses	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £0.508	Min.: 1,500 Mult.: 1,500 : 1,500	209	Glass Fuses	375 mA	Time Delay / Slow Blow	2AG (5 mm x 15 mm)	350 VAC	100 A	Holder / Clip	Clip	- 60 C	+ 125 C	Reel	1.17 Ohms

209 Lead-Free 350V Slo-Blo® (Time-Lag) Fuses

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