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
TRF250-145-RA-B-0.5 Littelfuse Inc.

TRF250-145-RA-B-0.5

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

9,499
RFQ
TRF250-145-RA-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 3 Ohms 12 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)
MF-RHT400-0 Bourns Inc.

MF-RHT400-0

PTC RESET FUSE 16V 4A RADIAL

Bourns Inc.

2,500
RFQ
MF-RHT400-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 4 A 7.5 A 100 A 5 s 24 mOhms 60 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.394" L x 0.118" W (10.00mm x 3.00mm) 0.591" (15.00mm) - 0.201" (5.10mm)
MF-RHT300-0 Bourns Inc.

MF-RHT300-0

PTC RESET FUSE 16V 3A RADIAL

Bourns Inc.

2,195
RFQ
MF-RHT300-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 3 A 6 A 100 A 5 s 33 mOhms 79 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.346" L x 0.118" W (8.80mm x 3.00mm) 0.543" (13.80mm) - 0.201" (5.10mm)
RGEF900-2 Littelfuse Inc.

RGEF900-2

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

1,996
RFQ
RGEF900-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 9 A 15.3 A 100 A 5.5 s 4.7 mOhms 13.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.532" L x 0.100" W (13.50mm x 2.50mm) 0.854" (21.70mm) - 0.199" (5.05mm)
RHEF650-2 Littelfuse Inc.

RHEF650-2

PTC RESET FUSE 16V 6.5A RADIAL

Littelfuse Inc.

1,480
RFQ
RHEF650-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 26 mOhms - -40°C ~ 125°C - - - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.199" (5.05mm)
MF-NSML175/12-2 Bourns Inc.

MF-NSML175/12-2

PTC RESET FUSE 12V 1.75A 1206

Bourns Inc.

3,953
RFQ
MF-NSML175/12-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 12V 1.75 A 3.5 A 50 A 5 s 6 mOhms 50 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.028" (0.70mm) -
MF-RG1100-0 Bourns Inc.

MF-RG1100-0

PTC RESET FUSE 16V 11A RADIAL

Bourns Inc.

2,993
RFQ
MF-RG1100-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RG Bulk Active Polymeric 16V 11 A 18.7 A 100 A 15.2 s 3 mOhms 10 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 0.988" (25.10mm) - 0.201" (5.10mm)
250R120-RCZR Littelfuse Inc.

250R120-RCZR

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

5,407
RFQ
250R120-RCZR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Cut Tape (CT) Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 3 s 5.4 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
MF-RM040/240-0 Bourns Inc.

MF-RM040/240-0

PTC RESET FUSE 240V 400MA RADIAL

Bourns Inc.

2,840
RFQ
MF-RM040/240-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RM Bulk Active Polymeric 240V (265V Int) 400 mA 900 mA 5.5 A 24 s 600 mOhms 1.9 Ohms - -20°C ~ 85°C - - - Through Hole 0.453" L x 0.150" W (11.50mm x 3.80mm) 0.823" (20.90mm) - 0.114" (2.90mm)
MF-RHT550-0 Bourns Inc.

MF-RHT550-0

PTC RESET FUSE 16V 5.5A RADIAL

Bourns Inc.

2,715
RFQ
MF-RHT550-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 5.5 A 10 A 100 A 6 s 15 mOhms 37 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
2920L600/12MR-A Littelfuse Inc.

2920L600/12MR-A

PTC RESET FUSE 12V 6A 2920

Littelfuse Inc.

2,367
RFQ
2920L600/12MR-A Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 12V 6 A 12 A 50 A 2 s 4 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
MF-RG650-0 Bourns Inc.

MF-RG650-0

PTC RESET FUSE 16V 6.5A RADIAL

Bourns Inc.

2,850
RFQ
MF-RG650-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RG Bag Active Polymeric 16V 6.5 A 11.1 A 100 A 3.5 s 8.8 mOhms 24 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.776" (19.70mm) - 0.201" (5.10mm)
AHRF600-2 Littelfuse Inc.

AHRF600-2

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

1,998
RFQ
AHRF600-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, AHRF Tape & Reel (TR) Active Polymeric 16V 6 A 12 A 100 A 6.5 s 10 mOhms 32 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.827" (21.00mm) - 0.200" (5.08mm)
MF-RHT650-0 Bourns Inc.

MF-RHT650-0

PTC RESET FUSE 16V 6.5A RADIAL

Bourns Inc.

2,665
RFQ
MF-RHT650-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 26 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.114" (2.90mm)
MICROASMDCH150F-2 Littelfuse Inc.

MICROASMDCH150F-2

PPTC-MINI-PSW

Littelfuse Inc.

1,215
RFQ
MICROASMDCH150F-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microASMD Tape & Reel (TR) Active Polymeric 12V 1.5 A 4.5 A 40 A 1 s 25 mOhms 250 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.055" (1.40mm) -
TRF250-145T-B-0.5 Littelfuse Inc.

TRF250-145T-B-0.5

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

1,970
RFQ
TRF250-145T-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 5.4 Ohms 14 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)
PTCCL05H630HTE Vishay Beyschlag/Draloric/BC Components

PTCCL05H630HTE

PTC RESET FUSE 265V 63MA RADIAL

Vishay Beyschlag/Draloric/BC Components

1,450
RFQ
PTCCL05H630HTE Datasheet

Datasheet

Radial, Disc PTCCL - 265V Tape & Reel (TR) Active Ceramic 265V 63 mA 95 mA 450 mA - - - 120 Ohms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.197" T (5.00mm x 5.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
LSP550 Littelfuse Inc.

LSP550

PTC RESET FUSE 16V 5.5A

Littelfuse Inc.

9,778
RFQ
LSP550 Datasheet

Datasheet

Strap PolySwitch®, LSP Bag Active Polymeric 16V 5.5 A 10.2 A 50 A 5 s 8 mOhms 26 mOhms 13 mOhms -40°C ~ 85°C Automotive AEC-Q200 - User Defined 0.787" L x 0.402" W (20.00mm x 10.20mm) - 0.035" (0.90mm) -
MF-RG600-0 Bourns Inc.

MF-RG600-0

PTC RESET FUSE 16V RADIAL DISC

Bourns Inc.

4,638
RFQ
MF-RG600-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RG Bulk Active Polymeric 16V - 18.7 A 100 A - 3 mOhms 10 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
B59980C0120A051 EPCOS - TDK Electronics

B59980C0120A051

PTC RESET FUSE 80V 85MA RADIAL

EPCOS - TDK Electronics

2,712
RFQ
B59980C0120A051 Datasheet

Datasheet

Radial, Disc B59980 Tape & Reel (TR) Active Ceramic 80V 85 mA 170 mA 1 A - - - 25 Ohms -40°C ~ 125°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
Total 4956 Record«Prev1... 7071727374757677...248Next»

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.