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
MF-R017-2-99 Bourns Inc.

MF-R017-2-99

PTC RESET FUSE 60V 170MA RADIAL

Bourns Inc.

3,712
RFQ
MF-R017-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 170 mA 340 mA 40 A 3 s 2 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)
MF-R020-2-99 Bourns Inc.

MF-R020-2-99

PTC RESET FUSE 60V 200MA RADIAL

Bourns Inc.

2,855
RFQ
MF-R020-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 200 mA 400 mA 40 A 2.2 s 1.5 Ohms 4.4 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)
MF-R025-2-99 Bourns Inc.

MF-R025-2-99

PTC RESET FUSE 60V 250MA RADIAL

Bourns Inc.

9,139
RFQ
MF-R025-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1 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)
MF-R030-2-99 Bourns Inc.

MF-R030-2-99

PTC RESET FUSE 60V 300MA RADIAL

Bourns Inc.

3,132
RFQ
MF-R030-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 300 mA 600 mA 40 A 3 s 760 mOhms 2.1 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.528" (13.40mm) - 0.201" (5.10mm)
MF-R040-2-99 Bourns Inc.

MF-R040-2-99

PTC RESET FUSE 60V 400MA RADIAL

Bourns Inc.

2,242
RFQ
MF-R040-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 400 mA 800 mA 40 A 3.8 s 520 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
MF-R050-2-99 Bourns Inc.

MF-R050-2-99

PTC RESET FUSE 60V 500MA RADIAL

Bourns Inc.

7,816
RFQ
MF-R050-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 500 mA 1 A 40 A 4 s 410 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)
MF-R055/90-2 Bourns Inc.

MF-R055/90-2

PTC RESET FUSE 90V 550MA RADIAL

Bourns Inc.

6,353
RFQ
MF-R055/90-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R/90 Tape & Reel (TR) Obsolete Polymeric 90V 550 mA 1.1 A 10 A 60 s 450 mOhms 2 Ohms - -40°C ~ 85°C - - - Through Hole 0.429" Dia x 0.142" T (10.90mm x 3.60mm) 0.657" (16.70mm) - 0.201" (5.10mm)
MF-R065-2-99 Bourns Inc.

MF-R065-2-99

PTC RESET FUSE 60V 650MA RADIAL

Bourns Inc.

6,317
RFQ
MF-R065-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 270 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.382" Dia x 0.122" T (9.70mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
MF-R075/90-2 Bourns Inc.

MF-R075/90-2

PTC RESET FUSE 90V 750MA RADIAL

Bourns Inc.

2,526
RFQ
MF-R075/90-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R/90 Tape & Reel (TR) Obsolete Polymeric 90V 750 mA 1.5 A 10 A 60 s 370 mOhms 1.65 Ohms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
MF-R090-2-99 Bourns Inc.

MF-R090-2-99

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

7,679
RFQ
MF-R090-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" L x 0.122" W (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
MF-R090-2-9-99 Bourns Inc.

MF-R090-2-9-99

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

4,817
RFQ
MF-R090-2-9-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" L x 0.122" W (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
MF-R110-2-99 Bourns Inc.

MF-R110-2-99

PTC RESET FUSE 30V 1.1A RADIAL

Bourns Inc.

7,048
RFQ
MF-R110-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 100 mOhms 270 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
MF-R135-2-99 Bourns Inc.

MF-R135-2-99

PTC RESET FUSE 30V 1.35A RADIAL

Bourns Inc.

2,791
RFQ
MF-R135-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 65 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-R160-2-99 Bourns Inc.

MF-R160-2-99

PTC RESET FUSE 30V 1.6A RADIAL

Bourns Inc.

6,811
RFQ
MF-R160-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 1.6 A 3.2 A 40 A 8 s 55 mOhms 150 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.118" T (10.20mm x 3.00mm) 0.661" (16.80mm) - 0.201" (5.10mm)
MF-R185-2-99 Bourns Inc.

MF-R185-2-99

PTC RESET FUSE 30V 1.85A RADIAL

Bourns Inc.

7,682
RFQ
MF-R185-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" Dia x 0.118" T (12.00mm x 3.00mm) 0.724" (18.40mm) - 0.201" (5.10mm)
MF-R250-2-10-99 Bourns Inc.

MF-R250-2-10-99

PTC RESET FUSE 30V 2.5A RADIAL

Bourns Inc.

7,976
RFQ
MF-R250-2-10-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 2.5 A 5 A 40 A 10.3 s 25 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
MF-R250-2-99 Bourns Inc.

MF-R250-2-99

PTC RESET FUSE 30V 2.5A RADIAL

Bourns Inc.

6,836
RFQ
MF-R250-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 2.5 A 5 A 40 A 10.3 s 25 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
MF-R300-2-99 Bourns Inc.

MF-R300-2-99

PTC RESET FUSE 30V 3A RADIAL

Bourns Inc.

8,252
RFQ
MF-R300-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
MF-R400-2-99 Bourns Inc.

MF-R400-2-99

PTC RESET FUSE 30V 4A RADIAL

Bourns Inc.

2,752
RFQ
MF-R400-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.567" L x 0.118" W (14.40mm x 3.00mm) 0.976" (24.80mm) - 0.201" (5.10mm)
MF-R600-2-99 Bourns Inc.

MF-R600-2-99

PTC RESET FUSE 30V 6A RADIAL

Bourns Inc.

3,005
RFQ
MF-R600-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete 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.