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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Voltage Rating AC
Fuse Type
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Interrupt Rating
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Maximum Operating Temperature
Resistance
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Littelfuse Fuses with Leads - Through Hole 300V UL TL TR5 LL 2A
Datasheet
8,933In 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 LL 10A
Datasheet
2,313In 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 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 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 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 1A
Datasheet
24,845In 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 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 LL 1.6A
Datasheet
943In Stock
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 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
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
847In 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
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
226In Stock
1,000Expected 22/06/2026
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 SL 4A
Datasheet
812In 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
1,735In Stock
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 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
: 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 TL TR5 SL 6.3A
Datasheet
553In 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
1,015In 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
1,130In Stock
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 3A
Datasheet
1,000Expected 22/06/2026
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 LL 1.25A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
: 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