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
RUSB110 Littelfuse Inc.

RUSB110

PTC RESET FUSE 16V 1.1A RADIAL

Littelfuse Inc.

6,207
RFQ
RUSB110 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 1.1 A 2.2 A 40 A 2.3 s 50 mOhms 140 mOhms - - - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.199" (5.05mm)
RUSB160 Littelfuse Inc.

RUSB160

PTC RESET FUSE 16V 1.6A RADIAL

Littelfuse Inc.

2,602
RFQ
RUSB160 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 1.6 A 3.2 A 40 A 9 s 300 mOhms 110 mOhms - - - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.199" (5.05mm)
RUSB185 Littelfuse Inc.

RUSB185

PTC RESET FUSE 16V 1.85A RADIAL

Littelfuse Inc.

8,391
RFQ
RUSB185 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 1.85 A 3.7 A 40 A 10 s 30 mOhms 90 mOhms - - - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.199" (5.05mm)
TR250-145-RA-C-0.5 Littelfuse Inc.

TR250-145-RA-C-0.5

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

8,150
RFQ

-

Radial, Disc PolySwitch® Bulk Obsolete - 60V 145 mA - 3 A 2.5 s - - - - - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
RXE005 Littelfuse Inc.

RXE005

PTC RESET FUSE 60V 50MA RADIAL

Littelfuse Inc.

5,577
RFQ
RXE005 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 60V 50 mA 100 mA 40 A 5 s 7.3 Ohms 20 Ohms - - - - - Through Hole 0.315" Dia x 0.118" T (8.00mm x 3.00mm) 0.327" (8.30mm) - 0.199" (5.05mm)
PTSB-R100-V12 Amphenol Advanced Sensors (Thermometrics)

PTSB-R100-V12

PTC RESET FUSE 12V 170MA 2SMD

Amphenol Advanced Sensors (Thermometrics)

9,437
RFQ
PTSB-R100-V12 Datasheet

Datasheet

2-SMD PTSM Bulk Active Ceramic 12V 170 mA 340 mA - - - - 10 Ohms - - - - Surface Mount 0.300" L x 0.300" W (7.62mm x 7.62mm) - 0.185" (4.70mm) -
RGE1000 Littelfuse Inc.

RGE1000

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

4,453
RFQ
RGE1000 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms - - - - - - Through Hole 0.630" L x 0.098" W (16.00mm x 2.50mm) 0.992" (25.20mm) - 0.199" (5.05mm)
RHE070 Littelfuse Inc.

RHE070

PTC RESET FUSE 16V 700MA RADIAL

Littelfuse Inc.

7,956
RFQ
RHE070 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 700 mA 1.4 A 40 A 4 s 300 mOhms 1.4 Ohms - - - - - Through Hole 0.272" L x 0.118" W (6.90mm x 3.00mm) 0.425" (10.80mm) - 0.199" (5.05mm)
RHE400 Littelfuse Inc.

RHE400

PTC RESET FUSE 16V 4A RADIAL

Littelfuse Inc.

8,419
RFQ
RHE400 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 4 A 7 A 100 A 8 s 18 mOhms 44 mOhms - - - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.709" (18.00mm) - 0.199" (5.05mm)
RHE650 Littelfuse Inc.

RHE650

PTC RESET FUSE 16V 6.5A RADIAL

Littelfuse Inc.

8,230
RFQ
RHE650 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 4.3 Ohms - - - - - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.199" (5.05mm)
RHE1500 Littelfuse Inc.

RHE1500

PTC RESET FUSE 16V 15A RADIAL

Littelfuse Inc.

5,893
RFQ
RHE1500 Datasheet

Datasheet

Radial, Disc PolySwitch® Bulk Obsolete Polymeric 16V 15 A 28 A 100 A 20 s 3.2 mOhms - - - - - - Through Hole 0.925" L x 0.142" W (23.50mm x 3.60mm) 1.130" (28.70mm) - 0.400" (10.15mm)
RLD30P090UF Littelfuse Inc.

RLD30P090UF

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

2,775
RFQ
RLD30P090UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 900 mA 1.8 A 40 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
RLD30P110UF Littelfuse Inc.

RLD30P110UF

PTC RESET FUSE 30V 1.1A RADIAL

Littelfuse Inc.

2,197
RFQ
RLD30P110UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 50 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.201" (5.10mm)
RLD30P135UF Littelfuse Inc.

RLD30P135UF

PTC RESET FUSE 30V 1.35A RADIAL

Littelfuse Inc.

8,659
RFQ
RLD30P135UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 40 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) - 0.201" (5.10mm)
RLD30P160UF Littelfuse Inc.

RLD30P160UF

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

2,705
RFQ
RLD30P160UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.6 A 3.2 A 40 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.201" (5.10mm)
RLD30P185UF Littelfuse Inc.

RLD30P185UF

PTC RESET FUSE 30V 1.85A RADIAL

Littelfuse Inc.

9,550
RFQ
RLD30P185UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.201" (5.10mm)
RLD30P250UF Littelfuse Inc.

RLD30P250UF

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

5,635
RFQ
RLD30P250UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 2.5 A 5 A 40 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
RLD30P300UF Littelfuse Inc.

RLD30P300UF

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

5,526
RFQ
RLD30P300UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.681" (17.30mm) - 0.201" (5.10mm)
RLD30P400UF Littelfuse Inc.

RLD30P400UF

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

8,725
RFQ
RLD30P400UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.791" (20.10mm) - 0.201" (5.10mm)
RLD30P500UF Littelfuse Inc.

RLD30P500UF

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

9,050
RFQ
RLD30P500UF 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)
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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.