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-R075 Bourns Inc.

MF-R075

PTC RESET FUSE 60V 750MA RADIAL

Bourns Inc.

6,773
RFQ
MF-R075 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -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)
RXEF065 Littelfuse Inc.

RXEF065

PTC RESET FUSE 72V 650MA RADIAL

Littelfuse Inc.

5,476
RFQ
RXEF065 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 650 mA 1.3 A 40 A 5.3 s 310 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.571" (14.50mm) - 0.199" (5.05mm)
0ZRB0250FF1E Bel Fuse Inc.

0ZRB0250FF1E

PTC RESET FUSE 30V 2.5A RADIAL

Bel Fuse Inc.

5,057
RFQ
0ZRB0250FF1E Datasheet

Datasheet

Radial, Disc 0ZRB Box Active Polymeric 30V 2.5 A 5 A 40 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
RKEF050 Littelfuse Inc.

RKEF050

PTC RESET FUSE 60V 500MA RADIAL

Littelfuse Inc.

4,404
RFQ
RKEF050 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 500 mA 1 A 40 A 800 ms 320 mOhms 900 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.140" W (7.10mm x 3.56mm) 0.450" (11.43mm) - 0.199" (5.05mm)
RUEF160 Littelfuse Inc.

RUEF160

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

1,550
RFQ
RUEF160 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 1.6 A 3.2 A 100 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.199" (5.05mm)
MF-SM200-2 Bourns Inc.

MF-SM200-2

PTC RESET FUSE 15V 2A 2SMD

Bourns Inc.

26,570
RFQ
MF-SM200-2 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 15V 2 A 4 A 100 A 12 s 45 mOhms 125 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 Bourns Inc.

MF-SM250-2

PTC RESET FUSE 15V 2.5A 2SMD

Bourns Inc.

14,026
RFQ
MF-SM250-2 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) -
RXEF025-2 Littelfuse Inc.

RXEF025-2

PTC RESET FUSE 72V 250MA RADIAL

Littelfuse Inc.

10,702
RFQ
RXEF025-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 250 mA 500 mA 40 A 2.5 s 1.25 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.199" (5.05mm)
RXEF010-2 Littelfuse Inc.

RXEF010-2

PTC RESET FUSE 60V 100MA RADIAL

Littelfuse Inc.

6,984
RFQ
RXEF010-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active 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 0.118" T (7.40mm x 3.00mm) 0.457" (11.60mm) - 0.199" (5.05mm)
RXEF040S-2 Littelfuse Inc.

RXEF040S-2

PTC RESET FUSE 72V 400MA RADIAL

Littelfuse Inc.

6,306
RFQ
RXEF040S-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.299" Dia x 0.118" T (7.60mm x 3.00mm) 0.532" (13.50mm) - 0.199" (5.05mm)
RXEF040-2 Littelfuse Inc.

RXEF040-2

PTC RESET FUSE 72V 400MA RADIAL

Littelfuse Inc.

3,905
RFQ
RXEF040-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.299" Dia x 0.118" T (7.60mm x 3.00mm) 0.532" (13.50mm) - 0.199" (5.05mm)
MF-R300 Bourns Inc.

MF-R300

PTC RESET FUSE 30V 3A RADIAL

Bourns Inc.

2,720
RFQ
MF-R300 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active 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)
0ZRB0300FF1A Bel Fuse Inc.

0ZRB0300FF1A

PTC RESET FUSE 30V 3A RADIAL

Bel Fuse Inc.

2,560
RFQ
0ZRB0300FF1A Datasheet

Datasheet

Radial, Disc 0ZRB Box Active Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.681" (17.30mm) - 0.201" (5.10mm)
0ZRR0110FF1A Bel Fuse Inc.

0ZRR0110FF1A

PTC RESET FUSE 60V 1.1A RADIAL

Bel Fuse Inc.

1,348
RFQ
0ZRR0110FF1A Datasheet

Datasheet

Radial, Disc 0ZRR Bulk Active Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
MF-RX110/72-2 Bourns Inc.

MF-RX110/72-2

PTC RESET FUSE 72V 1.1A RADIAL

Bourns Inc.

130,627
RFQ
MF-RX110/72-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.427" L x 0.122" W (10.84mm x 3.10mm) 0.662" (16.84mm) - 0.201" (5.10mm)
RHEF100-2 Littelfuse Inc.

RHEF100-2

PTC RESET FUSE 30V 1A RADIAL

Littelfuse Inc.

20,615
RFQ
RHEF100-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 30V 1 A 1.8 A 40 A 5.2 s 180 mOhms 430 mOhms - -40°C ~ 125°C - - - Through Hole 0.382" Dia x 0.118" T (9.70mm x 3.00mm) 0.535" (13.60mm) - 0.199" (5.05mm)
MF-R090-2 Bourns Inc.

MF-R090-2

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

10,160
RFQ
MF-R090-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active 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-R050-2 Bourns Inc.

MF-R050-2

PTC RESET FUSE 60V 500MA RADIAL

Bourns Inc.

9,286
RFQ
MF-R050-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active 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-RX135/72-0 Bourns Inc.

MF-RX135/72-0

PTC RESET FUSE 72V 1.35A RADIAL

Bourns Inc.

9,041
RFQ
MF-RX135/72-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.483" L x 0.122" W (12.26mm x 3.10mm) 0.718" (18.26mm) - 0.201" (5.10mm)
MINISMDC150F-2 Littelfuse Inc.

MINISMDC150F-2

PTC RESET FUSE 6V 1.5A 1812

Littelfuse Inc.

8,085
RFQ
MINISMDC150F-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 100 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.019" (0.48mm) -
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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.