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
LR4-260F Littelfuse Inc.

LR4-260F

PTC RESET FUSE 15V 2.6A STRAP

Littelfuse Inc.

4,546
RFQ
LR4-260F Datasheet

Datasheet

Strap PolySwitch®, LR4 Bag Active Polymeric 15V 2.6 A 5.8 A 100 A 5 s 20 mOhms 63 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.205" W (22.00mm x 5.20mm) - 0.039" (1.00mm) -
72R110XU Littelfuse Inc.

72R110XU

PTC RESET FUSE 72V 1.1A RADIAL

Littelfuse Inc.

1,332
RFQ
72R110XU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 72R Bulk Active Polymeric 72V 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) 0.717" (18.20mm) - 0.201" (5.10mm)
MF-RM040/240-2 Bourns Inc.

MF-RM040/240-2

PTC RESET FUSE 240V 400MA RADIAL

Bourns Inc.

14,776
RFQ
MF-RM040/240-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RM Tape & Reel (TR) Active Polymeric 240V (265V Int) 400 mA 900 mA 5.5 A 24 s 600 mOhms 1.9 Ohms - -20°C ~ 85°C - - - Through Hole 0.453" L x 0.150" W (11.50mm x 3.80mm) 0.823" (20.90mm) - 0.114" (2.90mm)
MF-SM013/250V-2 Bourns Inc.

MF-SM013/250V-2

PTC RESET FUSE 60V 130MA 2SMD

Bourns Inc.

9,359
RFQ
MF-SM013/250V-2 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM/250V Tape & Reel (TR) Active Polymeric 60V (250V Int) 130 mA - 3 A - 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Surface Mount 0.350" L x 0.283" W (8.90mm x 7.20mm) - 0.402" (10.20mm) -
TRF250-145T-2 Littelfuse Inc.

TRF250-145T-2

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

1,431
RFQ
TRF250-145T-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 1.5 s 5.4 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.181" L x 0.181" W (4.60mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
MF-NSML450/12-2 Bourns Inc.

MF-NSML450/12-2

PTC RESET FUSE 12V 4.5A 1206

Bourns Inc.

7,407
RFQ
MF-NSML450/12-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 12V 4.5 A 9 A 50 A 2 s 2 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.055" (1.40mm) -
MF-USHT010KX-2 Bourns Inc.

MF-USHT010KX-2

PTC RESET FUSE 30V 100MA 1210

Bourns Inc.

3,425
RFQ
MF-USHT010KX-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USHT Tape & Reel (TR) Active Polymeric 30V 100 mA 500 mA 20 A 1.5 s 1 Ohms 7.5 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
MF-NSML380/12-2 Bourns Inc.

MF-NSML380/12-2

PTC RESET FUSE 12V 3.8A 1206

Bourns Inc.

3,027
RFQ
MF-NSML380/12-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 12V 3.8 A 7.6 A 50 A 5 s 2 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.055" (1.40mm) -
RGEF800-2 Littelfuse Inc.

RGEF800-2

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

3,003
RFQ
RGEF800-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 8 A 13.6 A 100 A 5 s 5.6 mOhms 17.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.480" L x 0.098" W (12.20mm x 2.50mm) 0.823" (20.90mm) - 0.199" (5.05mm)
MF-LR550 Bourns Inc.

MF-LR550

PTC RESET FUSE 10V 5.5A STRAP

Bourns Inc.

2,156
RFQ
MF-LR550 Datasheet

Datasheet

Strap Multifuse®, MF-LR Bulk Active Polymeric 10V 5.5 A 10.5 A 100 A 5 s 9 mOhms 22 mOhms - -40°C ~ 85°C - - - User Defined 1.417" L x 0.283" W (36.00mm x 7.20mm) - 0.039" (1.00mm) -
FEMTOSMDC010F/15-2 Littelfuse Inc.

FEMTOSMDC010F/15-2

PTC RESET FUSE 15V 100MA 0603

Littelfuse Inc.

3,500
RFQ
FEMTOSMDC010F/15-2 Datasheet

Datasheet

0603 (1608 Metric), Concave PolySwitch®, femtoSMDC Tape & Reel (TR) Active Polymeric 15V 100 mA 300 mA 40 A 100 ms 2 Ohms 14 Ohms - - - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.033" (0.85mm) -
250S130-RBDR Littelfuse Inc.

250S130-RBDR

PTC RESET FUSE 60V 130MA 2SMD

Littelfuse Inc.

4,434
RFQ
250S130-RBDR Datasheet

Datasheet

2-SMD POLY-FUSE®, 250S Tape & Reel (TR) Active Polymeric 60V (250V Int) 130 mA 260 mA 3 A 700 ms 9 Ohms 20 Ohms - -40°C ~ 85°C - - - Surface Mount 0.370" L x 0.291" W (9.40mm x 7.40mm) - 0.146" (3.70mm) -
2920L110/60MR-A Littelfuse Inc.

2920L110/60MR-A

PTC RESET FUSE 60V 1.1A 2920

Littelfuse Inc.

2,012
RFQ
2920L110/60MR-A Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 60V 1.1 A 2.2 A 20 A 500 ms 120 mOhms 410 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.079" (2.00mm) -
60R110XU Littelfuse Inc.

60R110XU

PTC RESET FUSE 60V 1.1A RADIAL

Littelfuse Inc.

13,781
RFQ
60R110XU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 60R Bulk Active 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) 0.717" (18.20mm) - 0.201" (5.10mm)
PTSLR08056V110 Eaton - Electronics Division

PTSLR08056V110

PTC RESET FUSE 6V 1.1A 0805

Eaton - Electronics Division

9,341
RFQ
PTSLR08056V110 Datasheet

Datasheet

0805 (2012 Metric), Concave PTSLR0805 Tape & Reel (TR) Active Polymeric 6V 1.1 A 1.8 A 50 A 300 ms 30 mOhms 130 mOhms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.028" (0.70mm) -
16R500GPR Littelfuse Inc.

16R500GPR

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

5,194
RFQ
16R500GPR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Cut Tape (CT) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
B59880C0130A070 EPCOS - TDK Electronics

B59880C0130A070

PTC RESET FUSE 265V 55MA RADIAL

EPCOS - TDK Electronics

966
RFQ
B59880C0130A070 Datasheet

Datasheet

Radial, Disc - Bulk Active Ceramic 265V 55 mA 90 mA 200 mA - - - 160 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.197" T (4.00mm x 5.00mm) 0.295" (7.50mm) - 0.197" (5.00mm)
72R135XMR Littelfuse Inc.

72R135XMR

PTC RESET FUSE 72V 1.35A RADIAL

Littelfuse Inc.

895
RFQ
72R135XMR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 72R Cut Tape (CT) Active Polymeric 72V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.535" Dia x 0.122" T (13.58mm x 3.10mm) 0.780" (19.80mm) - 0.201" (5.10mm)
MF-NSML260/12-2 Bourns Inc.

MF-NSML260/12-2

PTC RESET FUSE 12V 2.6A 1206

Bourns Inc.

16,674
RFQ
MF-NSML260/12-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 12V 2.6 A 5.2 A 50 A 5 s 4 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.039" (1.00mm) -
MF-R600-2 Bourns Inc.

MF-R600-2

PTC RESET FUSE 30V 6A RADIAL

Bourns Inc.

884
RFQ
MF-R600-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.760" L x 0.118" W (19.30mm x 3.00mm) 1.256" (31.90mm) - 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.