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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Qty. RoHS ECAD Model Series
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Current Rating
Voltage Rating AC
Fuse Type
Body Style
Interrupt Rating
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Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
Resistance
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Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 1.25A
Datasheet
63In 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 SL 8A
Datasheet
1,853In 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 1A
Datasheet
8,883In Stock
16,000Expected 19/05/2026
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 1 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 62.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 2A
Datasheet
9,068In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 2 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 28 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 10A
Datasheet
2,313In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 10 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 4.2 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 1A
Datasheet
1,126In 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 1.6A
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 2A
Datasheet
590In 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
847In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 2.5 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC 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
298In 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 LL 3A
Datasheet
331In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 3.15 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 17.6 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 3A
Datasheet
443In Stock
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 LL 4A
Datasheet
1,762In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 4 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 13.8 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 4A
Datasheet
912In 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
735In Stock
1,000Expected 17/03/2026
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 5 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 10.8 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 5A
Datasheet
738In 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
586In Stock
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 6.3 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 7.6 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V TL TR5 SL 6.3A
Datasheet
753In Stock
Min.: 1
Mult.: 1

383 PCB Mount Fuses 6.3 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 8A
Datasheet
160In Stock
1,000Expected 28/05/2026
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 8 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 5.89 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 SL 10A
Datasheet
131In Stock
1,000Expected 14/05/2026
Min.: 1
Mult.: 1

383 PCB Mount Fuses 10 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C Bulk
Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 1.6A
Datasheet
948Expected 06/07/2026
Min.: 1
Mult.: 1
Reel: 1,000

383 PCB Mount Fuses 1.6 A 300 VAC Time Delay / Slow Blow Leaded Fuses 50 A at 300 VAC Radial TR5 - 65 C + 125 C 37.7 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
Mult.: 1
Reel: 1,000

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