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-R1-B-0.5 Littelfuse Inc.

TRF250-120T-R1-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

3,903
RFQ
TRF250-120T-R1-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1 s 6 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)
250R145ZR Littelfuse Inc.

250R145ZR

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

9,512
RFQ
250R145ZR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 250R Cut Tape (CT) Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 3 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)
PTCCL05H390HBE Vishay Beyschlag/Draloric/BC Components

PTCCL05H390HBE

PTC RESET FUSE 265V 39MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,935
RFQ
PTCCL05H390HBE Datasheet

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 39 mA 59 mA 300 mA - - - 260 Ohms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.217" T (5.00mm x 5.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
PTCCL05H271DBE Vishay Beyschlag/Draloric/BC Components

PTCCL05H271DBE

PTC RESET FUSE 30V 270MA RADIAL

Vishay Beyschlag/Draloric/BC Components

7,972
RFQ
PTCCL05H271DBE Datasheet

Datasheet

Radial, Disc PTCCL - 30V Bulk Active Ceramic 30V 270 mA 405 mA 2.5 A - - - 6 Ohms -40°C ~ 85°C - - - Through Hole 0.197" Dia x 0.157" T (5.00mm x 4.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
LR4-260SF Littelfuse Inc.

LR4-260SF

PTC RESET FUSE 15V 2.6A STRAP

Littelfuse Inc.

9,327
RFQ
LR4-260SF Datasheet

Datasheet

Strap PolySwitch®, LR4 Bag Active Polymeric 15V 2.6 A 5.8 A 100 A 5 s 20 mOhms 63 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.205" W (22.00mm x 5.20mm) - - -
AGRF800 Littelfuse Inc.

AGRF800

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

3,214
RFQ
AGRF800 Datasheet

Datasheet

Radial, Disc PolySwitch®, AGRF Bag Active Polymeric 16V 8 A 15 A 100 A 5.5 s 4.9 mOhms 17.5 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.199" (5.05mm)
TRF250-184 Littelfuse Inc.

TRF250-184

PTC RESET FUSE 100V 184MA RADIAL

Littelfuse Inc.

4,719
RFQ
TRF250-184 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 100V (250V Int) 184 mA 1 A 10 A 1.3 s 1.2 Ohms 3.1 Ohms - 0°C ~ 85°C - - - Through Hole 0.303" Dia x 0.181" T (7.70mm x 4.60mm) 0.413" (10.50mm) - 0.197" (5.00mm)
MF-PSML075/6-2 Bourns Inc.

MF-PSML075/6-2

PTC RESET FUSE 6V 750A 0805

Bourns Inc.

9,616
RFQ
MF-PSML075/6-2 Datasheet

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 6V 750 mA 1.5 A 50 A 200 ms 40 mOhms 300 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.028" (0.70mm) -
RXEF375K Littelfuse Inc.

RXEF375K

PTC RESET FUSE 72V 3.75A RADIAL

Littelfuse Inc.

7,924
RFQ
RXEF375K Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.035" Dia x 0.118" T (26.30mm x 3.00mm) 1.224" (31.10mm) - 0.400" (10.15mm)
PTCCL07H411DBE Vishay Beyschlag/Draloric/BC Components

PTCCL07H411DBE

PTC RESET FUSE 30V 410MA RADIAL

Vishay Beyschlag/Draloric/BC Components

4,479
RFQ
PTCCL07H411DBE Datasheet

Datasheet

Radial, Disc PTCCL - 30V Bulk Active Ceramic 30V 410 mA 615 mA 4.5 A - - - 3 Ohms -40°C ~ 85°C - - - Through Hole 0.276" Dia x 0.157" T (7.00mm x 4.00mm) 0.472" (12.00mm) - 0.197" (5.00mm)
PTCCL07H141HBE Vishay Beyschlag/Draloric/BC Components

PTCCL07H141HBE

PTC RESET FUSE 265V 140MA RADIAL

Vishay Beyschlag/Draloric/BC Components

8,770
RFQ
PTCCL07H141HBE Datasheet

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 140 mA 210 mA 800 mA - - - 29 Ohms 0°C ~ 70°C - - - Through Hole 0.276" Dia x 0.217" T (7.00mm x 5.50mm) 0.472" (12.00mm) - 0.197" (5.00mm)
RGEF1400-1 Littelfuse Inc.

RGEF1400-1

PTC RESET FUSE 16V 14A RADIAL

Littelfuse Inc.

3,085
RFQ
RGEF1400-1 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 14 A 23.8 A 100 A 9 s 2.6 mOhms 6.4 mOhms - -40°C ~ 85°C - - - Through Hole 0.925" L x 0.114" W (23.50mm x 2.90mm) 1.098" (27.90mm) - 0.400" (10.15mm)
B59955C0160A070 EPCOS - TDK Electronics

B59955C0160A070

PTC RESET FUSE 20V 950MA RADIAL

EPCOS - TDK Electronics

2,079
RFQ
B59955C0160A070 Datasheet

Datasheet

Radial, Disc B59955 Bulk Active Ceramic 20V 950 mA 1.9 A 5.5 A - - - 800 mOhms -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.532" Dia x 0.138" T (13.50mm x 3.50mm) 0.669" (17.00mm) - 0.197" (5.00mm)
RGEF1200-2 Littelfuse Inc.

RGEF1200-2

PTC RESET FUSE 16V 12A RADIAL

Littelfuse Inc.

6,087
RFQ
RGEF1200-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 12 A 20.4 A 100 A 7.5 s 3.3 mOhms 8.6 mOhms - -40°C ~ 85°C - - - Through Hole 0.670" L x 0.115" W (16.95mm x 2.90mm) 1.102" (28.00mm) - 0.400" (10.15mm)
16R800GF Littelfuse Inc.

16R800GF

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

6,196
RFQ
16R800GF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Active Polymeric 16V 8 A 13.6 A 100 A 5 s 5.6 mOhms 17.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.823" (20.90mm) - 0.201" (5.10mm)
LVR125K-240 Littelfuse Inc.

LVR125K-240

PTC RESET FUSE

Littelfuse Inc.

1,219
RFQ
LVR125K-240 Datasheet

Datasheet

Radial, Disc LVR Bulk Active Polymeric 240V (265V Int) 1.25 A 2.5 A 12.5 A 23 s 165 mOhms 440 mOhms 253 mOhms -20°C ~ 85°C - - - Through Hole 0.835" Dia (21.20mm) 1.252" (31.80mm) - 0.400" (10.15mm)
PTSLR18126V500 Eaton - Electronics Division

PTSLR18126V500

PTC RESET FUSE 6V 5A 1812

Eaton - Electronics Division

2,719
RFQ
PTSLR18126V500 Datasheet

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 5 A 10 A 50 A 2 s 1 mOhms 13 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.047" (1.20mm) -
YS5921PTO Amphenol Advanced Sensors (Thermometrics)

YS5921PTO

PTC RESET FUSE 120V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

9,009
RFQ
YS5921PTO Datasheet

Datasheet

Radial, Disc PTO Bulk Active Ceramic 120V - - - - - - 200 Ohms 10°C ~ 55°C - - - Through Hole 0.300" Dia x 0.200" T (7.62mm x 5.08mm) 0.300" (7.62mm) - 0.150" (3.81mm)
TRF600-250 Littelfuse Inc.

TRF600-250

PTC RESET FUSE 250V 250MA RADIAL

Littelfuse Inc.

2,888
RFQ
TRF600-250 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF600 Bulk Active Polymeric 250V (600V Int) 250 mA 850 mA 3 A 1 s 1 Ohms 7 Ohms 4.3 Ohms -40°C ~ 85°C - - - Through Hole 0.591" L x 0.181" W (15.00mm x 4.60mm) 0.571" (14.50mm) - 0.197" (5.00mm)
SMDCH125F/24-02 Littelfuse Inc.

SMDCH125F/24-02

PTC RESET FUSE 24V 1.25A 2920

Littelfuse Inc.

9,413
RFQ
SMDCH125F/24-02 Datasheet

Datasheet

2920 (7351 Metric), Concave SMDC Tape & Reel (TR) Active Polymeric 24V 1.25 A 2.5 A 20 A 500 ms - - - - - - - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.055" (1.40mm) -
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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.