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
SRP175SF Littelfuse Inc.

SRP175SF

PTC RESET FUSE 15V 1.75A STRAP

Littelfuse Inc.

3,630
RFQ
SRP175SF Datasheet

Datasheet

Strap PolySwitch®, SRP Bulk Active Polymeric 15V 1.75 A 3.8 A 100 A 5 s 50 mOhms 120 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.199" W (22.00mm x 5.05mm) - 0.039" (1.00mm) -
TCF250-100T-RB-B-0.5 Littelfuse Inc.

TCF250-100T-RB-B-0.5

PTC RESET FUSE 60V 90MA SMD

Littelfuse Inc.

9,848
RFQ

-

Nonstandard SMD PolySwitch®, TCF250 Bulk Active Polymeric 60V (250V Int) 90 mA 150 mA 3 A 200 ms 15.4 Ohms 24 Ohms - -40°C ~ 85°C - - - Surface Mount 0.187" L x 0.187" W (4.75mm x 4.75mm) - 0.091" (2.30mm) -
TRF250-120T-RG-B-0.5 Littelfuse Inc.

TRF250-120T-RG-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

4,350
RFQ
TRF250-120T-RG-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bulk Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 750 ms 8.5 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
TR600-150QF-EX-B-0.5 Littelfuse Inc.

TR600-150QF-EX-B-0.5

PTC RESET FUSE RADIAL DISC

Littelfuse Inc.

6,209
RFQ

-

Radial, Disc PolySwitch®, TR600 Bag Active Polymeric - - - - - - - - - - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
VLP190UF Littelfuse Inc.

VLP190UF

PTC RESET FUSE 16V 1.9A STRAP

Littelfuse Inc.

7,994
RFQ

-

Strap PolySwitch®, VLP Bulk Active Polymeric 16V 1.9 A 4.7 A 60 A 5 s 21 mOhms 72 mOhms - - - - - User Defined 1.004" L x 0.906" W (25.50mm x 23.00mm) - 0.276" (7.00mm) -
VLP270XXUF Littelfuse Inc.

VLP270XXUF

PTC RESET FUSE 16V 2.7A STRAP

Littelfuse Inc.

3,343
RFQ

-

Strap PolySwitch®, VLP Bulk Active Polymeric 16V 2.7 A 6.5 A 60 A 5 s 12 mOhms 36 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.201" W (22.00mm x 5.10mm) - 0.032" (0.80mm) -
VLR170UF Littelfuse Inc.

VLR170UF

PTC RESET FUSE 12V 1.7A STRAP

Littelfuse Inc.

6,736
RFQ

-

Strap PolySwitch®, VLR Bulk Active Polymeric 12V 1.7 A 4.1 A 100 A 5 s 18 mOhms 64 mOhms - -40°C ~ 70°C - - - User Defined 0.866" L x 0.142" W (22.00mm x 3.60mm) - 0.028" (0.70mm) -
VLR175UF Littelfuse Inc.

VLR175UF

PTC RESET FUSE 12V 1.75A STRAP

Littelfuse Inc.

5,651
RFQ
VLR175UF Datasheet

Datasheet

Strap PolySwitch®, VLR Bulk Active Polymeric 12V 1.75 A 4.2 A 100 A 5 s 17 mOhms 62 mOhms - -40°C ~ 70°C - - - User Defined 0.935" L x 0.118" W (23.75mm x 3.00mm) - 0.028" (0.70mm) -
LVR005NS-1 Littelfuse Inc.

LVR005NS-1

PTC RESET FUSE 240V 50MA RADIAL

Littelfuse Inc.

6,045
RFQ
LVR005NS-1 Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 50 mA 120 mA 1 A 10 s 18.5 Ohms 65 Ohms - -20°C ~ 85°C - - - Through Hole 0.272" Dia x 0.181" T (6.90mm x 4.60mm) 0.390" (9.90mm) - 0.200" (5.08mm)
LVR005NK-2 Littelfuse Inc.

LVR005NK-2

PTC RESET FUSE 240V 50MA RADIAL

Littelfuse Inc.

3,273
RFQ
LVR005NK-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) Active Polymeric 240V 50 mA 120 mA 1 A 10 s 18.5 Ohms 65 Ohms - - - - - Through Hole 0.272" Dia x 0.181" T (6.90mm x 4.60mm) 0.476" (12.10mm) - 0.200" (5.08mm)
16R1100GMR Littelfuse Inc.

16R1100GMR

PTC RESET FUSE 16V 11A RADIAL

Littelfuse Inc.

4,233
RFQ
16R1100GMR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Tape & Box (TB) Obsolete Polymeric 16V 11 A 18.7 A 100 A 7 s 3.7 mOhms 8.9 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.024" (26.00mm) - 0.201" (5.10mm)
16R1200GMR Littelfuse Inc.

16R1200GMR

PTC RESET FUSE 16V 12A RADIAL

Littelfuse Inc.

9,345
RFQ
16R1200GMR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Tape & Box (TB) Obsolete Polymeric 16V 12 A 20.4 A 100 A 7.5 s 3.3 mOhms 8.6 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.138" W (17.50mm x 3.50mm) 1.102" (28.00mm) - 0.402" (10.20mm)
16R800GMR Littelfuse Inc.

16R800GMR

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

8,025
RFQ
16R800GMR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Tape & Box (TB) Obsolete Polymeric 16V 8 A 13.6 A 100 A 5 s 5.6 mOhms 17.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.823" (20.90mm) - 0.201" (5.10mm)
72R300XMR Littelfuse Inc.

72R300XMR

PTC RESET FUSE 72V 3A RADIAL

Littelfuse Inc.

2,091
RFQ
72R300XMR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 72R Tape & Box (TB) Obsolete Polymeric 72V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.910" Dia x 0.122" T (23.11mm x 3.10mm) 1.154" (29.30mm) - 0.402" (10.20mm)
16R250GU Littelfuse Inc.

16R250GU

PTC RESET FUSE 16V 2.5A RADIAL

Littelfuse Inc.

8,379
RFQ
16R250GU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Obsolete Polymeric 16V 2.5 A 4.7 A 100 A 5 s 22 mOhms 53 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.504" (12.80mm) - 0.201" (5.10mm)
16R600GU Littelfuse Inc.

16R600GU

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

9,623
RFQ
16R600GU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Obsolete Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
16R700GF Littelfuse Inc.

16R700GF

PTC RESET FUSE 16V 7A RADIAL

Littelfuse Inc.

4,979
RFQ
16R700GF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Obsolete Polymeric 16V 7 A 11.9 A 100 A 3.5 s 7.7 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.776" (19.70mm) - 0.201" (5.10mm)
16R1000GF Littelfuse Inc.

16R1000GF

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

2,028
RFQ
16R1000GF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Obsolete Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10.2 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.992" (25.20mm) - 0.201" (5.10mm)
16R1200GH Littelfuse Inc.

16R1200GH

PTC RESET FUSE 16V 12A RADIAL

Littelfuse Inc.

9,201
RFQ
16R1200GH Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Obsolete Polymeric 16V 12 A 20.4 A 100 A 7.5 s 3.3 mOhms 8.6 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.138" W (17.50mm x 3.50mm) 1.102" (28.00mm) - 0.402" (10.20mm)
72R020XU Littelfuse Inc.

72R020XU

PTC RESET FUSE 72V 200MA RADIAL

Littelfuse Inc.

5,921
RFQ
72R020XU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 72R Bulk Obsolete Polymeric 72V 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) 0.461" (11.70mm) - 0.201" (5.10mm)
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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.