383 Series Radial Lead Fuses

Littelfuse 383 Series Radial Lead Fuses are part of the TR5® time-lag fuse series, designed in accordance to IEC 60127-3. These internationally approved, vibration-resistant fuses feature shock-safe casing and are rated at 300V max voltage. The 383 series is offered in direct solderable or plug-in versions, containing models rated from 1 to 10A. This Littelfuse thermoplastic line of fuses is suited for electronic ballasts, as the AC line fuse in LED lighting applications, as well as designs with small PCB space requirements.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Current Rating
Voltage Rating AC
Fuse Type
Body Style
Interrupt Rating
Termination Style
Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
Resistance
Packaging
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A
Datasheet
24,203In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 1 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 62.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 2A
Datasheet
8,392In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 2 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 28 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 8A
Datasheet
1,841In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 8 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 3A
Datasheet
1,189In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 3.15 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 17.6 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 4A
Datasheet
1,755In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 4 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 13.8 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 10A
Datasheet
1,877In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 10 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 4.2 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 1A
Datasheet
926In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 1 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 1.25A
Datasheet
57In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 1.25 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 1.6A
Datasheet
862In Stock
1,000Expected 24/12/2026
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 1.6 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 37.7 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 2A
Datasheet
583In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 2 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 2.5A
Datasheet
827In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 2.5 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 21.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 2.5A
Datasheet
238In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 2.25 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 3A
Datasheet
340In Stock
1,000Expected 20/10/2026
Min.: 1
Mult.: 1

383 PCB Mount Fuses 3.15 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 4A
Datasheet
792In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 4 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 5A
Datasheet
990In Stock
1,000Expected 28/09/2026
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 5 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 10.8 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V TL TR5 SL 6.3A
Datasheet
377In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 6.3 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 8A
Datasheet
1,001In Stock
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 8 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 5.89 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 10A
Datasheet
412In Stock
1,000Expected 12/11/2026
Min.: 1
Mult.: 1

383 PCB Mount Fuses 10 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 1.6A
Datasheet
20In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 1.16 A 300 VAC Time Delay / Slow Blow Leaded Fuses Radial TR5 Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 5A
Datasheet
718In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 5 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 6.3A
Datasheet
1,000Expected 20/10/2026
Min.: 1
Mult.: 1
: 1,000

383 PCB Mount Fuses 6.3 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 7.6 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 1.25A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

383 PCB Mount Fuses 1.25 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A Radial TR5 - 65 C + 125 C 50 mOhms Ammo Pack