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-RX135-AP Bourns Inc.

MF-RX135-AP

PTC RESET FUSE 60V 1.35A RADIAL

Bourns Inc.

9,500
RFQ
MF-RX135-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.483" L x 0.122" W (12.26mm x 3.10mm) 0.718" (18.26mm) - 0.201" (5.10mm)
MF-RX135-AP-99 Bourns Inc.

MF-RX135-AP-99

PTC RESET FUSE 60V 1.35A RADIAL

Bourns Inc.

2,890
RFQ
MF-RX135-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.483" L x 0.122" W (12.26mm x 3.10mm) 0.718" (18.26mm) - 0.201" (5.10mm)
MF-RX160-AP Bourns Inc.

MF-RX160-AP

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

7,949
RFQ
MF-RX160-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" L x 0.122" W (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
MF-RX160-AP-99 Bourns Inc.

MF-RX160-AP-99

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

5,076
RFQ
MF-RX160-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" L x 0.122" W (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
MF-RX185-AP Bourns Inc.

MF-RX185-AP

PTC RESET FUSE 60V 1.85A RADIAL

Bourns Inc.

7,534
RFQ
MF-RX185-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" L x 0.122" W (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
MF-RX185-AP-99 Bourns Inc.

MF-RX185-AP-99

PTC RESET FUSE 60V 1.85A RADIAL

Bourns Inc.

4,442
RFQ
MF-RX185-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" L x 0.122" W (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
MF-RX250-AP Bourns Inc.

MF-RX250-AP

PTC RESET FUSE 60V 2.5A RADIAL

Bourns Inc.

5,610
RFQ
MF-RX250-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" L x 0.122" W (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
MF-RX250-AP-99 Bourns Inc.

MF-RX250-AP-99

PTC RESET FUSE 60V 2.5A RADIAL

Bourns Inc.

4,722
RFQ
MF-RX250-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" L x 0.122" W (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
MF-RX300-AP Bourns Inc.

MF-RX300-AP

PTC RESET FUSE 60V 3A RADIAL

Bourns Inc.

4,783
RFQ
MF-RX300-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" L x 0.122" W (24.90mm x 3.10mm) 1.181" (30.00mm) - 0.402" (10.20mm)
MF-RX300-AP-99 Bourns Inc.

MF-RX300-AP-99

PTC RESET FUSE 60V 3A RADIAL

Bourns Inc.

7,749
RFQ
MF-RX300-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" L x 0.122" W (24.90mm x 3.10mm) 1.181" (30.00mm) - 0.402" (10.20mm)
CMF-SD35-10-2 Bourns Inc.

CMF-SD35-10-2

PTC RESET FUSE 230V 100MA 4SMD

Bourns Inc.

6,395
RFQ
CMF-SD35-10-2 Datasheet

Datasheet

4-SMD Cube CMF-SD Tape & Reel (TR) Obsolete Ceramic 230V (600V Int) 100 mA 200 mA 3 A 200 ms - - 35 Ohms - - - - Surface Mount 0.402" L x 0.354" W (10.20mm x 9.00mm) - 0.425" (10.80mm) -
CMF-SD35-2 Bourns Inc.

CMF-SD35-2

PTC RESET FUSE 230V 100MA 4SMD

Bourns Inc.

6,729
RFQ
CMF-SD35-2 Datasheet

Datasheet

4-SMD Cube CMF-SD Tape & Reel (TR) Obsolete Ceramic 230V (600V Int) 100 mA 200 mA 3 A 200 ms - - 35 Ohms - - - - Surface Mount 0.402" L x 0.354" W (10.20mm x 9.00mm) - 0.425" (10.80mm) -
CMF-SD35A-10-2 Bourns Inc.

CMF-SD35A-10-2

PTC RESET FUSE 230V 100MA 4SMD

Bourns Inc.

4,462
RFQ
CMF-SD35A-10-2 Datasheet

Datasheet

4-SMD Cube CMF-SD Tape & Reel (TR) Obsolete Ceramic 230V (600V Int) 100 mA 200 mA 2.5 A 200 ms - - 35 Ohms - - - - Surface Mount 0.319" L x 0.282" W (8.10mm x 7.15mm) - 0.335" (8.50mm) -
CMF-SD50-2 Bourns Inc.

CMF-SD50-2

PTC RESET FUSE 230V 90MA 4SMD

Bourns Inc.

8,123
RFQ
CMF-SD50-2 Datasheet

Datasheet

4-SMD Cube CMF-SD Tape & Reel (TR) Obsolete Ceramic 230V (600V Int) 90 mA 190 mA 3 A 100 ms - - 50 Ohms - - - - Surface Mount 0.402" L x 0.354" W (10.20mm x 9.00mm) - 0.425" (10.80mm) -
MF-R010-2-99 Bourns Inc.

MF-R010-2-99

PTC RESET FUSE 60V 100MA RADIAL

Bourns Inc.

9,229
RFQ
MF-R010-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 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-R015/600-2 Bourns Inc.

MF-R015/600-2

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

3,777
RFQ
MF-R015/600-2 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 5 s 6 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
MF-R015/600-A-2 Bourns Inc.

MF-R015/600-A-2

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

5,198
RFQ
MF-R015/600-A-2 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 5 s 7 Ohms 20 Ohms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
MF-R015/600-B-2 Bourns Inc.

MF-R015/600-B-2

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

4,661
RFQ
MF-R015/600-B-2 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 5 s 9 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
MF-R015/600-F-2 Bourns Inc.

MF-R015/600-F-2

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

5,710
RFQ
MF-R015/600-F-2 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 5 s 7 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
MF-R016/600-2 Bourns Inc.

MF-R016/600-2

PTC RESET FUSE 250V 160MA RADIAL

Bourns Inc.

4,568
RFQ
MF-R016/600-2 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 160 mA 320 mA 3 A 7 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) - 0.197" (5.00mm)
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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.