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
250R145-RBU Littelfuse Inc.

250R145-RBU

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

9,375
RFQ
250R145-RBU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Obsolete Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 4.5 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
600R150-RBF Littelfuse Inc.

600R150-RBF

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

6,323
RFQ
600R150-RBF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 600R Bulk Obsolete Polymeric 60V (600V Int) 150 mA 300 mA 3 A 3 s 9 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" L x 0.181" W (9.00mm x 4.60mm) 0.492" (12.50mm) - 0.201" (5.10mm)
600R160-R1F Littelfuse Inc.

600R160-R1F

PTC RESET FUSE 60V 160MA RADIAL

Littelfuse Inc.

9,492
RFQ
600R160-R1F Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 600R Bulk Obsolete Polymeric 60V (600V Int) 160 mA 320 mA 3 A 10 s 4 Ohms 17 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
600R160F Littelfuse Inc.

600R160F

PTC RESET FUSE 60V 160MA RADIAL

Littelfuse Inc.

2,492
RFQ
600R160F Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 600R Bulk Obsolete Polymeric 60V (600V Int) 160 mA 320 mA 3 A 10 s 4 Ohms 18 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
600R160-RAF Littelfuse Inc.

600R160-RAF

PTC RESET FUSE 60V 160MA RADIAL

Littelfuse Inc.

5,981
RFQ
600R160-RAF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 600R Bulk Obsolete Polymeric 60V (600V Int) 160 mA 320 mA 3 A 10 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
600R160-RAUR Littelfuse Inc.

600R160-RAUR

PTC RESET FUSE 60V 160MA RADIAL

Littelfuse Inc.

4,433
RFQ
600R160-RAUR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 600R Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 160 mA 320 mA 3 A 10 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
250R145TU Littelfuse Inc.

250R145TU

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

2,222
RFQ
250R145TU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Obsolete Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 5.4 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
250R180TF Littelfuse Inc.

250R180TF

PTC RESET FUSE 60V 180MA RADIAL

Littelfuse Inc.

3,811
RFQ
250R180TF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Obsolete Polymeric 60V (250V Int) 180 mA 650 mA 10 A 21 s 1.4 Ohms 4.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.374" Dia x 0.181" T (9.50mm x 4.60mm) 0.472" (12.00mm) - 0.201" (5.10mm)
250R145U Littelfuse Inc.

250R145U

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

2,387
RFQ
250R145U Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Obsolete Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 3 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
250R145TZR Littelfuse Inc.

250R145TZR

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

6,506
RFQ
250R145TZR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 5.4 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
16R160BU Littelfuse Inc.

16R160BU

PTC RESET FUSE 16V 1.6A RADIAL

Littelfuse Inc.

7,368
RFQ
16R160BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 1.6 A 3.2 A 40 A 9 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)
16R185BU Littelfuse Inc.

16R185BU

PTC RESET FUSE 16V 1.85A RADIAL

Littelfuse Inc.

7,324
RFQ
16R185BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 1.85 A 3.7 A 40 A 10 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)
16R250BU Littelfuse Inc.

16R250BU

PTC RESET FUSE 16V 2.5A RADIAL

Littelfuse Inc.

4,514
RFQ
16R250BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 2.5 A 5 A 40 A 40 s 20 mOhms 60 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)
16R135BU Littelfuse Inc.

16R135BU

PTC RESET FUSE 16V 1.35A RADIAL

Littelfuse Inc.

6,600
RFQ
16R135BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 1.35 A 2.7 A 40 A 4.5 s 40 mOhms 120 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)
16R090BU Littelfuse Inc.

16R090BU

PTC RESET FUSE 16V 900MA RADIAL

Littelfuse Inc.

9,458
RFQ
16R090BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 900 mA 1.8 A 40 A 1.2 s 70 mOhms 180 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)
16R110BU Littelfuse Inc.

16R110BU

PTC RESET FUSE 16V 1.1A RADIAL

Littelfuse Inc.

9,491
RFQ
16R110BU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, USBR Bulk Obsolete Polymeric 16V 1.1 A 2.2 A 40 A 2.3 s 50 mOhms 140 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)
PTCTT95R200GTE Vishay Beyschlag/Draloric/BC Components

PTCTT95R200GTE

PTC RESET FUSE 240V 90MA 4SMD

Vishay Beyschlag/Draloric/BC Components

9,079
RFQ
PTCTT95R200GTE Datasheet

Datasheet

4-SMD - Tape & Reel (TR) Active Ceramic 240V 90 mA 200 mA 8 A 2 s - - 20 Ohms -40°C ~ 85°C - - - Surface Mount 0.354" L x 0.283" W (9.00mm x 7.20mm) - 0.272" (6.90mm) -
PTCTT95R250GTE Vishay Beyschlag/Draloric/BC Components

PTCTT95R250GTE

PTC RESET FUSE 240V 100MA 4SMD

Vishay Beyschlag/Draloric/BC Components

6,925
RFQ
PTCTT95R250GTE Datasheet

Datasheet

4-SMD - Tape & Reel (TR) Active Ceramic 240V 100 mA 200 mA 4 A 2 s - - 25 Ohms -40°C ~ 85°C - - - Surface Mount 0.354" L x 0.283" W (9.00mm x 7.20mm) - 0.272" (6.90mm) -
PTCTT95R350GTE Vishay Beyschlag/Draloric/BC Components

PTCTT95R350GTE

PTC RESET FUSE 240V 100MA 4SMD

Vishay Beyschlag/Draloric/BC Components

5,388
RFQ
PTCTT95R350GTE Datasheet

Datasheet

4-SMD - Tape & Reel (TR) Active Ceramic 240V 100 mA 200 mA 4 A 1.5 s - - 35 Ohms -40°C ~ 85°C - - - Surface Mount 0.354" L x 0.283" W (9.00mm x 7.20mm) - 0.272" (6.90mm) -
LVR075S Littelfuse Inc.

LVR075S

PTC RESET FUSE 240V 750MA RADIAL

Littelfuse Inc.

4,165
RFQ
LVR075S Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Bulk Obsolete Polymeric 240V (265V Int) 750 mA 1.5 A 7.5 A 18 s 316 mOhms 839 mOhms - -20°C ~ 85°C - - - Through Hole 0.450" L x 0.189" W (11.43mm x 4.80mm) 0.921" (23.40mm) - 0.200" (5.08mm)
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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.