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
0805L150SLYR Littelfuse Inc.

0805L150SLYR

PTC RESET FUSE 6V 1.5A 0805

Littelfuse Inc.

4,115
RFQ
0805L150SLYR Datasheet

Datasheet

0805 (2012 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 50 A 500 ms 15 mOhms 65 mOhms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.030" (0.75mm) -
0603L150SLYR Littelfuse Inc.

0603L150SLYR

PTC RESET FUSE 6V 1.5A 0603

Littelfuse Inc.

2,283
RFQ
0603L150SLYR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 50 A 500 ms 7 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.039" (1.00mm) -
1812L020/60DR Littelfuse Inc.

1812L020/60DR

PTC RESET FUSE 60V 200MA 1812

Littelfuse Inc.

9,304
RFQ
1812L020/60DR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 60V 200 mA 400 mA 40 A 2 s 1.4 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
1812L200/12DR Littelfuse Inc.

1812L200/12DR

PTC RESET FUSE 12V 2A 1812

Littelfuse Inc.

2,100
RFQ
1812L200/12DR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 12V 2 A 3.5 A 100 A 2 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.047" (1.20mm) -
2920L330/24MR Littelfuse Inc.

2920L330/24MR

PTC RESET FUSE 24V 3.3A 2920

Littelfuse Inc.

10,514
RFQ
2920L330/24MR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 24V 3.3 A 5.5 A 40 A 5 s 15 mOhms 55 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.079" (2.00mm) -
0603L050SLYR Littelfuse Inc.

0603L050SLYR

PTC RESET FUSE 6V 500MA 0603

Littelfuse Inc.

15,351
RFQ
0603L050SLYR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 500 mA 1 A 50 A 100 ms 70 mOhms 350 mOhms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.030" (0.75mm) -
0603L075SLYR Littelfuse Inc.

0603L075SLYR

PTC RESET FUSE 6V 750MA 0603

Littelfuse Inc.

13,493
RFQ
0603L075SLYR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 750 mA 1.5 A 50 A 200 ms 20 mOhms 165 mOhms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.030" (0.75mm) -
0603L175SLYR Littelfuse Inc.

0603L175SLYR

PTC RESET FUSE 6V 1.75A 0603

Littelfuse Inc.

6,392
RFQ
0603L175SLYR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 1.75 A 3.5 A 50 A 600 ms 5 mOhms 60 mOhms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.039" (1.00mm) -
1206L175SLYR Littelfuse Inc.

1206L175SLYR

PTC RESET FUSE 6V 1.75A 1206

Littelfuse Inc.

6,371
RFQ
1206L175SLYR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 1.75 A 3.5 A 50 A 400 ms 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.071" (1.80mm) -
1206L350SLTHYR Littelfuse Inc.

1206L350SLTHYR

PTC RESET FUSE 6V 3.5A 1206

Littelfuse Inc.

5,592
RFQ
1206L350SLTHYR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 3.5 A 7 A 50 A 5 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
1812L035/30DR Littelfuse Inc.

1812L035/30DR

PTC RESET FUSE 30V 350MA 1812

Littelfuse Inc.

6,342
RFQ
1812L035/30DR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 30V 350 mA 750 mA 40 A 150 ms 400 mOhms 1.7 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
0402L020SLKR Littelfuse Inc.

0402L020SLKR

PTC RESET FUSE 6V 200MA 0402

Littelfuse Inc.

48,447
RFQ
0402L020SLKR Datasheet

Datasheet

0402 (1005 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 200 mA 500 mA 40 A 1 s 100 mOhms 1.25 Ohms - -40°C ~ 85°C - - - Surface Mount 0.039" L x 0.020" W (1.00mm x 0.50mm) - 0.024" (0.60mm) -
0402L050SLKR Littelfuse Inc.

0402L050SLKR

PTC RESET FUSE 6V 500MA 0402

Littelfuse Inc.

27,876
RFQ
0402L050SLKR Datasheet

Datasheet

0402 (1005 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 500 mA 1 A 50 A 100 ms 40 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.039" L x 0.020" W (1.00mm x 0.50mm) - 0.024" (0.60mm) -
0805L010/24YR Littelfuse Inc.

0805L010/24YR

PTC RESET FUSE 24V 100MA 0805

Littelfuse Inc.

13,390
RFQ
0805L010/24YR Datasheet

Datasheet

0805 (2012 Metric), Concave POLY-FUSE®, 0805L Tape & Reel (TR) Active Polymeric 24V 100 mA 300 mA 100 A 1.5 s 1.5 Ohms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.039" (1.00mm) -
1206L600SLWR Littelfuse Inc.

1206L600SLWR

PTC RESET FUSE 6.0A 6V 1206

Littelfuse Inc.

8,625
RFQ
1206L600SLWR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 6 A 12 A 50 A 2 s 1 mOhms 10 mOhms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.055" (1.40mm) -
1206L260/12SLYR Littelfuse Inc.

1206L260/12SLYR

PTC RESET FUSE 2.6A 12V 1206

Littelfuse Inc.

4,240
RFQ
1206L260/12SLYR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 12V 2.6 A 5 A 50 A 4 s 3 mOhms 55 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.030" (0.75mm) -
1206L400SLWR Littelfuse Inc.

1206L400SLWR

PTC RESET FUSE 6V 4A 1206

Littelfuse Inc.

3,599
RFQ
1206L400SLWR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 4 A 8 A 50 A 2 s 1 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.055" (1.40mm) -
1206L400/12SLWR Littelfuse Inc.

1206L400/12SLWR

PTC RESET FUSE 4.0A 12V 1206

Littelfuse Inc.

2,368
RFQ
1206L400/12SLWR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 12V 4 A 8 A 50 A 2 s 3 mOhms 16 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.055" (1.40mm) -
LR4-1300SSF Littelfuse Inc.

LR4-1300SSF

PTC RESET FUSE 20V 13A STRAP

Littelfuse Inc.

32,365
RFQ
LR4-1300SSF Datasheet

Datasheet

Strap PolySwitch®, LR4 Bag Active Polymeric 20V 13 A 21.2 A 100 A 10 s 3.5 mOhms 9 mOhms - -40°C ~ 85°C - - - User Defined 2.520" L x 0.382" W (64.00mm x 9.70mm) - - -
1812L300/24SLER Littelfuse Inc.

1812L300/24SLER

PTC RESET FUSE 3.0A 24V 1812

Littelfuse Inc.

5,413
RFQ
1812L300/24SLER Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 24V 3 A 6 A 50 A 2 s 1 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.032" (0.82mm) -
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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.