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
TRF250-120T-R2-B-0.5-2 Littelfuse Inc.

TRF250-120T-R2-B-0.5-2

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

4,425
RFQ
TRF250-120T-R2-B-0.5-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 750 ms 8 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
YQS5940PTH Amphenol Advanced Sensors (Thermometrics)

YQS5940PTH

PTC RESET FUSE HEATERS +/-40%

Amphenol Advanced Sensors (Thermometrics)

4,480
RFQ
YQS5940PTH Datasheet

Datasheet

- YQ Bulk Active - - - - - - - - - - - - - - - - - -
YS6101 Amphenol Advanced Sensors (Thermometrics)

YS6101

PTC RESET FUSE 75V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

7,123
RFQ

-

Radial, Disc YS Bulk Active Ceramic 75V - - - - - - 6 Ohms - - - - Through Hole 0.315" Dia x 0.059" T (8.00mm x 1.50mm) 0.059" (1.50mm) - 0.197" (5.00mm)
60R375XHSL Littelfuse Inc.

60R375XHSL

PTC RESET FUSE 60V 3.75A RADIAL

Littelfuse Inc.

4,175
RFQ
60R375XHSL Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 60R Bulk Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.035" Dia x 0.122" T (26.30mm x 3.10mm) 1.224" (31.10mm) - 0.402" (10.20mm)
CMF-RLC50-0 Bourns Inc.

CMF-RLC50-0

PTC RESET FUSE 230V 65MA RADIAL

Bourns Inc.

5,506
RFQ
CMF-RLC50-0 Datasheet

Datasheet

Radial, Disc CMF-RLC Bulk Obsolete Ceramic 230V (650V Int) 65 mA 150 mA 3 A 100 ms - - 50 Ohms - - - - Through Hole 0.354" L x 0.177" W (9.00mm x 4.50mm) 0.378" (9.60mm) - 0.200" (5.08mm)
CMF-RLC50-10-0 Bourns Inc.

CMF-RLC50-10-0

PTC RESET FUSE 230V 65MA RADIAL

Bourns Inc.

5,006
RFQ
CMF-RLC50-10-0 Datasheet

Datasheet

Radial, Disc CMF-RLC Bulk Obsolete Ceramic 230V (650V Int) 65 mA 150 mA 3 A 100 ms - - 50 Ohms - - - - Through Hole 0.354" L x 0.177" W (9.00mm x 4.50mm) 0.378" (9.60mm) - 0.200" (5.08mm)
CMF-RQ50-0 Bourns Inc.

CMF-RQ50-0

PTC RESET FUSE 230V 90MA 8DIP

Bourns Inc.

6,512
RFQ

-

8-DIP (0.197", 5.00mm) CMF-RQ Bulk Obsolete Ceramic 230V (600V Int) 90 mA 190 mA 3 A 100 ms - - 50 Ohms - - - - Through Hole 0.787" L x 0.354" W (20.00mm x 9.00mm) 0.398" (10.10mm) - 0.197" (5.00mm)
CMF-RQ50-10-0 Bourns Inc.

CMF-RQ50-10-0

PTC RESET FUSE 230V 90MA 8DIP

Bourns Inc.

7,543
RFQ

-

8-DIP (0.197", 5.00mm) CMF-RQ Bulk Obsolete Ceramic 230V (600V Int) 90 mA 190 mA 3 A 100 ms - - 50 Ohms - - - - Through Hole 0.787" L x 0.354" W (20.00mm x 9.00mm) 0.398" (10.10mm) - 0.197" (5.00mm)
MF-R015/600-A05-0 Bourns Inc.

MF-R015/600-A05-0

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

8,179
RFQ
MF-R015/600-A05-0 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Bulk 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-0 Bourns Inc.

MF-R015/600-B-0

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

8,267
RFQ
MF-R015/600-B-0 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Bulk 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-B05-0 Bourns Inc.

MF-R015/600-B05-0

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

6,800
RFQ
MF-R015/600-B05-0 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Bulk 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-0 Bourns Inc.

MF-R015/600-F-0

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

7,198
RFQ
MF-R015/600-F-0 Datasheet

Datasheet

Radial, Box Multifuse®, MF-R/600 Bulk 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-R017-0-99 Bourns Inc.

MF-R017-0-99

PTC RESET FUSE 60V 170MA RADIAL

Bourns Inc.

5,592
RFQ
MF-R017-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R020-0-99 Bourns Inc.

MF-R020-0-99

PTC RESET FUSE 60V 200MA RADIAL

Bourns Inc.

4,366
RFQ
MF-R020-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R025-0-99 Bourns Inc.

MF-R025-0-99

PTC RESET FUSE 60V 250MA RADIAL

Bourns Inc.

3,052
RFQ
MF-R025-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R030-0-99 Bourns Inc.

MF-R030-0-99

PTC RESET FUSE 60V 300MA RADIAL

Bourns Inc.

8,166
RFQ
MF-R030-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R040-0-99 Bourns Inc.

MF-R040-0-99

PTC RESET FUSE 60V 400MA RADIAL

Bourns Inc.

5,672
RFQ
MF-R040-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R050-0-99 Bourns Inc.

MF-R050-0-99

PTC RESET FUSE 60V 500MA RADIAL

Bourns Inc.

9,863
RFQ
MF-R050-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R065-0-99 Bourns Inc.

MF-R065-0-99

PTC RESET FUSE 60V 650MA RADIAL

Bourns Inc.

6,298
RFQ
MF-R065-0-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk 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-R075/90-0 Bourns Inc.

MF-R075/90-0

PTC RESET FUSE 90V 750MA RADIAL

Bourns Inc.

7,901
RFQ
MF-R075/90-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R/90 Bulk 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)
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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.