PTC Resettable Fuses

Manufacturer Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing






















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
RLD30P600UF Littelfuse Inc.

RLD30P600UF

PTC RESET FUSE 30V 6A RADIAL

Littelfuse Inc.

9,072
RFQ
RLD30P600UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
RLD30P700UF Littelfuse Inc.

RLD30P700UF

PTC RESET FUSE 30V 7A RADIAL

Littelfuse Inc.

8,211
RFQ
RLD30P700UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.752" L x 0.118" W (19.10mm x 3.00mm) 1.051" (26.70mm) - 0.402" (10.20mm)
RLD30P800UF Littelfuse Inc.

RLD30P800UF

PTC RESET FUSE 30V 8A RADIAL

Littelfuse Inc.

3,841
RFQ
RLD30P800UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 8 A 16 A 40 A 18.8 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.850" L x 0.118" W (21.60mm x 3.00mm) 1.150" (29.20mm) - 0.402" (10.20mm)
RLD30P900UF Littelfuse Inc.

RLD30P900UF

PTC RESET FUSE 30V 9A RADIAL

Littelfuse Inc.

8,573
RFQ
RLD30P900UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 9 A 18 A 40 A 20 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.949" L x 0.118" W (24.10mm x 3.00mm) 1.169" (29.70mm) - 0.402" (10.20mm)
RLD60P010XF Littelfuse Inc.

RLD60P010XF

PTC RESET FUSE 60V 100MA RADIAL

Littelfuse Inc.

5,344
RFQ
RLD60P010XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
RLD60P017XF Littelfuse Inc.

RLD60P017XF

PTC RESET FUSE 60V 170MA RADIAL

Littelfuse Inc.

6,998
RFQ
RLD60P017XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 170 mA 340 mA 40 A 3 s 3.3 Ohms 8 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
RLD60P020XF Littelfuse Inc.

RLD60P020XF

PTC RESET FUSE 60V 200MA RADIAL

Littelfuse Inc.

8,961
RFQ
RLD60P020XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.480" (12.20mm) - 0.201" (5.10mm)
RLD60P025XF Littelfuse Inc.

RLD60P025XF

PTC RESET FUSE 60V 250MA RADIAL

Littelfuse Inc.

5,809
RFQ
RLD60P025XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1.25 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
RLD60P030XF Littelfuse Inc.

RLD60P030XF

PTC RESET FUSE 60V 300MA RADIAL

Littelfuse Inc.

8,165
RFQ
RLD60P030XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 300 mA 600 mA 40 A 3 s 880 mOhms 2.1 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.512" (13.00mm) - 0.201" (5.10mm)
RLD60P040XF Littelfuse Inc.

RLD60P040XF

PTC RESET FUSE 60V 400MA RADIAL

Littelfuse Inc.

5,396
RFQ
RLD60P040XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.299" Dia x 0.122" T (7.60mm x 3.10mm) 0.532" (13.50mm) - 0.201" (5.10mm)
RLD60P050XF Littelfuse Inc.

RLD60P050XF

PTC RESET FUSE 60V 500MA RADIAL

Littelfuse Inc.

8,485
RFQ
RLD60P050XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - -40°C ~ 85°C - - - Through Hole 0.311" Dia x 0.122" T (7.90mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
RLD60P065XF Littelfuse Inc.

RLD60P065XF

PTC RESET FUSE 60V 650MA RADIAL

Littelfuse Inc.

8,239
RFQ
RLD60P065XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 310 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.382" Dia x 0.122" T (9.70mm x 3.10mm) 0.571" (14.50mm) - 0.201" (5.10mm)
RLD60P075XF Littelfuse Inc.

RLD60P075XF

PTC RESET FUSE 60V 750MA RADIAL

Littelfuse Inc.

5,740
RFQ
RLD60P075XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 250 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
RLD60P090XF Littelfuse Inc.

RLD60P090XF

PTC RESET FUSE 60V 900MA RADIAL

Littelfuse Inc.

9,984
RFQ
RLD60P090XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" Dia x 0.118" T (11.70mm x 3.00mm) 0.618" (15.70mm) - 0.201" (5.10mm)
RLD60P110XF Littelfuse Inc.

RLD60P110XF

PTC RESET FUSE 60V 1.1A RADIAL

Littelfuse Inc.

6,701
RFQ
RLD60P110XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
RLD60P135XF Littelfuse Inc.

RLD60P135XF

PTC RESET FUSE 60V 1.35A RADIAL

Littelfuse Inc.

9,554
RFQ
RLD60P135XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia x 0.122" T (14.50mm x 3.10mm) 0.772" (19.60mm) - 0.201" (5.10mm)
RLD60P160XF Littelfuse Inc.

RLD60P160XF

PTC RESET FUSE 60V 1.6A RADIAL

Littelfuse Inc.

9,667
RFQ
RLD60P160XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
RLD60P185XF Littelfuse Inc.

RLD60P185XF

PTC RESET FUSE 60V 1.85A RADIAL

Littelfuse Inc.

9,674
RFQ
RLD60P185XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.122" T (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
RLD60P250XF Littelfuse Inc.

RLD60P250XF

PTC RESET FUSE 60V 2.5A RADIAL

Littelfuse Inc.

9,369
RFQ
RLD60P250XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" Dia x 0.122" T (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
RLD60P300XF Littelfuse Inc.

RLD60P300XF

PTC RESET FUSE 60V 3A RADIAL

Littelfuse Inc.

7,825
RFQ
RLD60P300XF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD60 Tape & Box (TB) Obsolete Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" Dia x 0.122" T (24.90mm x 3.10mm) 1.181" (30.00mm) - 0.402" (10.20mm)
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PTC Resettable Fuses Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing PTC Resettable Fuses components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports PTC Resettable Fuses Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

PTC Resettable Fuses FAQ

Can FPGAX source both active and end-of-life PTC Resettable Fuses components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a PTC Resettable Fuses sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.