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
RLD30P500UFF Littelfuse Inc.

RLD30P500UFF

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

4,817
RFQ
RLD30P500UFF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
RLD30P600UFF Littelfuse Inc.

RLD30P600UFF

PTC RESET FUSE 30V 6A RADIAL

Littelfuse Inc.

2,453
RFQ
RLD30P600UFF 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)
RLD30P700UFF Littelfuse Inc.

RLD30P700UFF

PTC RESET FUSE 30V 7A RADIAL

Littelfuse Inc.

3,814
RFQ
RLD30P700UFF 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)
RLD30P800UFF Littelfuse Inc.

RLD30P800UFF

PTC RESET FUSE 30V 8A RADIAL

Littelfuse Inc.

9,712
RFQ
RLD30P800UFF 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)
RLD30P900UFF Littelfuse Inc.

RLD30P900UFF

PTC RESET FUSE 30V 9A RADIAL

Littelfuse Inc.

3,119
RFQ
RLD30P900UFF 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)
RLD60P010XFF Littelfuse Inc.

RLD60P010XFF

PTC RESET FUSE 60V 100MA RADIAL

Littelfuse Inc.

8,458
RFQ
RLD60P010XFF 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)
RLD60P017XFF Littelfuse Inc.

RLD60P017XFF

PTC RESET FUSE 60V 170MA RADIAL

Littelfuse Inc.

6,933
RFQ
RLD60P017XFF 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)
RLD60P020XFF Littelfuse Inc.

RLD60P020XFF

PTC RESET FUSE 60V 200MA RADIAL

Littelfuse Inc.

7,291
RFQ
RLD60P020XFF 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)
RLD60P025XFF Littelfuse Inc.

RLD60P025XFF

PTC RESET FUSE 60V 250MA RADIAL

Littelfuse Inc.

5,657
RFQ
RLD60P025XFF 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)
RLD60P030XFF Littelfuse Inc.

RLD60P030XFF

PTC RESET FUSE 60V 300MA RADIAL

Littelfuse Inc.

4,414
RFQ
RLD60P030XFF 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)
RLD60P040XFF Littelfuse Inc.

RLD60P040XFF

PTC RESET FUSE 60V 400MA RADIAL

Littelfuse Inc.

3,097
RFQ
RLD60P040XFF 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)
RLD60P050XFF Littelfuse Inc.

RLD60P050XFF

PTC RESET FUSE 60V 500MA RADIAL

Littelfuse Inc.

8,243
RFQ
RLD60P050XFF 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)
RLD60P065XFF Littelfuse Inc.

RLD60P065XFF

PTC RESET FUSE 60V 650MA RADIAL

Littelfuse Inc.

5,926
RFQ
RLD60P065XFF 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)
RLD60P075XFF Littelfuse Inc.

RLD60P075XFF

PTC RESET FUSE 60V 750MA RADIAL

Littelfuse Inc.

2,902
RFQ
RLD60P075XFF 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)
RLD60P090XFF Littelfuse Inc.

RLD60P090XFF

PTC RESET FUSE 60V 900MA RADIAL

Littelfuse Inc.

2,734
RFQ
RLD60P090XFF 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)
RLD60P110XFF Littelfuse Inc.

RLD60P110XFF

PTC RESET FUSE 60V 1.1A RADIAL

Littelfuse Inc.

2,963
RFQ
RLD60P110XFF 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)
RLD60P135XFF Littelfuse Inc.

RLD60P135XFF

PTC RESET FUSE 60V 1.35A RADIAL

Littelfuse Inc.

4,612
RFQ
RLD60P135XFF 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)
RLD60P160XFF Littelfuse Inc.

RLD60P160XFF

PTC RESET FUSE 60V 1.6A RADIAL

Littelfuse Inc.

4,172
RFQ
RLD60P160XFF 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)
RLD60P185XFF Littelfuse Inc.

RLD60P185XFF

PTC RESET FUSE 60V 1.85A RADIAL

Littelfuse Inc.

5,025
RFQ
RLD60P185XFF 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)
RLD60P250XFF Littelfuse Inc.

RLD60P250XFF

PTC RESET FUSE 60V 2.5A RADIAL

Littelfuse Inc.

2,608
RFQ
RLD60P250XFF 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)
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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.