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-R700-2-99 Bourns Inc.

MF-R700-2-99

PTC RESET FUSE 30V 7A RADIAL

Bourns Inc.

4,771
RFQ
MF-R700-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.870" L x 0.118" W (22.10mm x 3.00mm) 1.173" (29.80mm) - 0.402" (10.20mm)
MF-R900-2-99 Bourns Inc.

MF-R900-2-99

PTC RESET FUSE 30V 9A RADIAL

Bourns Inc.

4,841
RFQ
MF-R900-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 9 A 18 A 40 A 20 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.953" L x 0.118" W (24.20mm x 3.00mm) 1.295" (32.90mm) - 0.402" (10.20mm)
MF-RX014/250U-B5-2 Bourns Inc.

MF-RX014/250U-B5-2

PTC RESET FUSE 60V 145MA RADIAL

Bourns Inc.

7,889
RFQ
MF-RX014/250U-B5-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 145 mA - 3 A - 4.5 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" L x 0.150" W (6.00mm x 3.80mm) 0.394" (10.00mm) - 0.201" (5.10mm)
MF-RX110-2 Bourns Inc.

MF-RX110-2

PTC RESET FUSE 60V 1.1A RADIAL

Bourns Inc.

6,925
RFQ
MF-RX110-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) Obsolete 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) 0.709" (18.00mm) - 0.201" (5.10mm)
MF-RX110-2-99 Bourns Inc.

MF-RX110-2-99

PTC RESET FUSE 60V 1.1A RADIAL

Bourns Inc.

8,960
RFQ
MF-RX110-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) Obsolete 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) 0.709" (18.00mm) - 0.201" (5.10mm)
MF-RX135-2 Bourns Inc.

MF-RX135-2

PTC RESET FUSE 60V 1.35A RADIAL

Bourns Inc.

6,023
RFQ
MF-RX135-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX135-2-99 Bourns Inc.

MF-RX135-2-99

PTC RESET FUSE 60V 1.35A RADIAL

Bourns Inc.

9,238
RFQ
MF-RX135-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX160-2 Bourns Inc.

MF-RX160-2

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

2,120
RFQ
MF-RX160-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX160-2-99 Bourns Inc.

MF-RX160-2-99

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

4,887
RFQ
MF-RX160-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX250-2 Bourns Inc.

MF-RX250-2

PTC RESET FUSE 60V 2.5A RADIAL

Bourns Inc.

8,074
RFQ
MF-RX250-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX250-2-99 Bourns Inc.

MF-RX250-2-99

PTC RESET FUSE 60V 2.5A RADIAL

Bourns Inc.

7,710
RFQ
MF-RX250-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX300-2 Bourns Inc.

MF-RX300-2

PTC RESET FUSE 60V 3A RADIAL

Bourns Inc.

4,327
RFQ
MF-RX300-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX300-2-99 Bourns Inc.

MF-RX300-2-99

PTC RESET FUSE 60V 3A RADIAL

Bourns Inc.

4,506
RFQ
MF-RX300-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) 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-RX375/72-2-99 Bourns Inc.

MF-RX375/72-2-99

PTC RESET FUSE 72V 3.75A RADIAL

Bourns Inc.

7,549
RFQ
MF-RX375/72-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Obsolete Polymeric 72V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.926" L x 0.122" W (23.51mm x 3.10mm) 1.161" (29.50mm) - 0.402" (10.20mm)
MF-RX375-2 Bourns Inc.

MF-RX375-2

PTC RESET FUSE 60V 3.75A RADIAL

Bourns Inc.

6,229
RFQ
MF-RX375-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.118" L x 0.122" W (28.40mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
MF-RX375-2-99 Bourns Inc.

MF-RX375-2-99

PTC RESET FUSE 60V 3.75A RADIAL

Bourns Inc.

6,496
RFQ
MF-RX375-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Reel (TR) Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.118" L x 0.122" W (28.40mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
MF-SM050-2-006 Bourns Inc.

MF-SM050-2-006

PTC RESET FUSE 60V 500MA 2SMD

Bourns Inc.

3,796
RFQ
MF-SM050-2-006 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 40 A 4 s 350 mOhms 1.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.287" L x 0.214" W (7.31mm x 5.44mm) - 0.125" (3.18mm) -
MF-SM075-2-006 Bourns Inc.

MF-SM075-2-006

PTC RESET FUSE 30V 750MA 2SMD

Bourns Inc.

5,490
RFQ
MF-SM075-2-006 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 30V 750 mA 1.5 A 80 A 300 ms 230 mOhms 1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.287" L x 0.214" W (7.31mm x 5.44mm) - 0.125" (3.18mm) -
MF-SM150-2-006 Bourns Inc.

MF-SM150-2-006

PTC RESET FUSE 15V 1.5A 2SMD

Bourns Inc.

6,066
RFQ
MF-SM150-2-006 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 15V 1.5 A 3 A 100 A 5 s 60 mOhms 250 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
MF-SM250-2-006 Bourns Inc.

MF-SM250-2-006

PTC RESET FUSE 15V 2.5A 2SMD

Bourns Inc.

3,857
RFQ
MF-SM250-2-006 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 15V 2.5 A 5 A 100 A 25 s 24 mOhms 85 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
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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.