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-R400-2-14 Bourns Inc.

MF-R400-2-14

PTC RESET FUSE 30V 4A RADIAL

Bourns Inc.

26,393
RFQ
MF-R400-2-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.567" L x 0.118" W (14.40mm x 3.00mm) 0.976" (24.80mm) - 0.201" (5.10mm)
MF-RX185/72-2 Bourns Inc.

MF-RX185/72-2

PTC RESET FUSE 72V 1.85A RADIAL

Bourns Inc.

14,479
RFQ
MF-RX185/72-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" L x 0.122" W (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
LVR040S Littelfuse Inc.

LVR040S

PTC RESET FUSE 240V 400MA RADIAL

Littelfuse Inc.

12,471
RFQ
LVR040S Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR 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) 0.768" (19.50mm) - 0.200" (5.08mm)
1812L110/24DR Littelfuse Inc.

1812L110/24DR

PTC RESET FUSE 24V 1.1A 1812

Littelfuse Inc.

4,960
RFQ
1812L110/24DR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 24V 1.1 A 1.95 A 20 A 500 ms 60 mOhms 200 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.042" (1.07mm) -
NANOASMDCH016F-2 Littelfuse Inc.

NANOASMDCH016F-2

PTC RESET FUSE 30V 160MA 1206

Littelfuse Inc.

3,485
RFQ
NANOASMDCH016F-2 Datasheet

Datasheet

1206 (3216 Metric), Concave PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 30V 160 mA 800 mA 20 A 100 ms 700 mOhms 6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.062" W (3.20mm x 1.58mm) - 0.045" (1.14mm) -
1206L200PR Littelfuse Inc.

1206L200PR

PTC RESET FUSE 6V 2A 1206

Littelfuse Inc.

1,837
RFQ
1206L200PR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 6V 2 A 3.5 A 100 A 1.5 s 18 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.063" (1.60mm) -
30R090UPR Littelfuse Inc.

30R090UPR

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

5,863
RFQ
30R090UPR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 30R Cut Tape (CT) Active Polymeric 30V 900 mA 1.8 A 40 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
0ZRE0055FF1A Bel Fuse Inc.

0ZRE0055FF1A

PTC RESET FUSE 240V 550MA RADIAL

Bel Fuse Inc.

4,990
RFQ
0ZRE0055FF1A Datasheet

Datasheet

Radial, Disc 0ZRE Box Active Polymeric 240V 550 mA 1.25 A 7 A 26 s 450 mOhms 1.45 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.161" W (14.00mm x 4.10mm) 0.854" (21.70mm) - 0.201" (5.10mm)
LVR005NK Littelfuse Inc.

LVR005NK

PTC RESET FUSE 240V 50MA RADIAL

Littelfuse Inc.

2,829
RFQ
LVR005NK Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 50 mA 120 mA 1 A 10 s 18.5 Ohms 65 Ohms - -20°C ~ 85°C - - - Through Hole 0.272" Dia x 0.181" T (6.90mm x 4.60mm) 0.476" (12.10mm) - 0.200" (5.08mm)
MF-R500 Bourns Inc.

MF-R500

PTC RESET FUSE 30V 5A RADIAL

Bourns Inc.

1,595
RFQ
MF-R500 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.685" L x 0.118" W (17.40mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
0ZRC0250FF1A Bel Fuse Inc.

0ZRC0250FF1A

PTC RESET FUSE 90V 2.5A RADIAL

Bel Fuse Inc.

1,254
RFQ
0ZRC0250FF1A Datasheet

Datasheet

Radial, Disc 0ZRC Box Active Polymeric 90V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.839" L x 0.122" W (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
SMD150F-2 Littelfuse Inc.

SMD150F-2

PTC RESET FUSE 15V 1.5A 2SMD

Littelfuse Inc.

103,075
RFQ
SMD150F-2 Datasheet

Datasheet

2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 15V 1.5 A 3 A 40 A 5 s 60 mOhms 250 mOhms - -40°C ~ 85°C - - - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) - 0.118" (3.00mm) -
0ZCF0260AF2C Bel Fuse Inc.

0ZCF0260AF2C

PTC RESET FUSE 24V 2.6A 2920

Bel Fuse Inc.

39,271
RFQ
0ZCF0260AF2C Datasheet

Datasheet

2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 24V 2.6 A 5.2 A 100 A 20 s 20 mOhms 75 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.067" (1.70mm) -
1206L005/60WR-A Littelfuse Inc.

1206L005/60WR-A

PTC RESET FUSE 60V 50MA 1206

Littelfuse Inc.

18,124
RFQ
1206L005/60WR-A Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 60V 50 mA 150 mA 10 A 1.5 s 3.6 Ohms 20 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.049" (1.25mm) -
RGEF300-2 Littelfuse Inc.

RGEF300-2

PTC RESET FUSE 16V 3A RADIAL

Littelfuse Inc.

2,387
RFQ
RGEF300-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 3 A 5.1 A 100 A 1 s 38 mOhms 97.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.260" L x 0.098" W (6.60mm x 2.50mm) 0.433" (11.00mm) - 0.199" (5.05mm)
1812L075/24DR Littelfuse Inc.

1812L075/24DR

PTC RESET FUSE 24V 750MA 1812

Littelfuse Inc.

10,845
RFQ
1812L075/24DR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 24V 750 mA 1.5 A 100 A 200 ms 110 mOhms 290 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.061" (1.55mm) -
AHEF300 Littelfuse Inc.

AHEF300

PTC RESET FUSE 32V 3A RADIAL

Littelfuse Inc.

9,394
RFQ
AHEF300 Datasheet

Datasheet

Radial, Disc PolySwitch®, AHEF Bag Active Polymeric 32V 3 A 6 A 100 A 5 s 35 mOhms 110 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.402" L x 0.150" W (10.20mm x 3.80mm) 0.610" (15.50mm) - 0.200" (5.08mm)
MF-R500-2 Bourns Inc.

MF-R500-2

PTC RESET FUSE 30V 5A RADIAL

Bourns Inc.

8,926
RFQ
MF-R500-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.685" L x 0.118" W (17.40mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
SMD030F-2018-2 Littelfuse Inc.

SMD030F-2018-2

PTC RESET FUSE 60V 300MA 2SMD

Littelfuse Inc.

8,914
RFQ
SMD030F-2018-2 Datasheet

Datasheet

2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 60V 300 mA 800 mA 20 A 1.5 s 500 mOhms 2.3 Ohms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.070" (1.78mm) -
RGEF800 Littelfuse Inc.

RGEF800

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

3,927
RFQ
RGEF800 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 8 A 13.6 A 100 A 5 s 5.6 mOhms 17.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.480" L x 0.098" W (12.20mm x 2.50mm) 0.823" (20.90mm) - 0.199" (5.05mm)
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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.