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
RUEF250 Littelfuse Inc.

RUEF250

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

18,917
RFQ
RUEF250 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 2.5 A 5 A 100 A 10.3 s 20 mOhms 70 mOhms - - - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.199" (5.05mm)
MICROSMD050F-2 Littelfuse Inc.

MICROSMD050F-2

PTC RESET FUSE 13.2V 500MA 1210

Littelfuse Inc.

17,296
RFQ
MICROSMD050F-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Active Polymeric 13.2V 500 mA 1 A 40 A 50 ms 250 mOhms 900 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.62mm) -
MINISMDC200F-2 Littelfuse Inc.

MINISMDC200F-2

PTC RESET FUSE 8V 2A 1812

Littelfuse Inc.

14,067
RFQ
MINISMDC200F-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 8V 2 A 4 A 100 A 5 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.048" (1.22mm) -
MINIASMDC030F-2 Littelfuse Inc.

MINIASMDC030F-2

PTC RESET FUSE 30V 300MA 1812

Littelfuse Inc.

1,951
RFQ
MINIASMDC030F-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 30V 300 mA 600 mA 40 A 100 ms 200 mOhms 1.75 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.89mm) -
MINISMDC110F/16-2 Littelfuse Inc.

MINISMDC110F/16-2

PTC RESET FUSE 16V 1.1A 1812

Littelfuse Inc.

17,302
RFQ
MINISMDC110F/16-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 16V 1.1 A 2.2 A 100 A 300 ms 60 mOhms 180 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.019" (0.48mm) -
2920L250DR Littelfuse Inc.

2920L250DR

PTC RESET FUSE 15V 2.5A 2920

Littelfuse Inc.

155,317
RFQ
2920L250DR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 15V 2.5 A 5 A 40 A 10 s 35 mOhms 85 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.049" (1.25mm) -
MF-NSHT035KX-2 Bourns Inc.

MF-NSHT035KX-2

PTC RESET FUSE 30V 350MA 1206

Bourns Inc.

3,555
RFQ
MF-NSHT035KX-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSHT Tape & Reel (TR) Active Polymeric 30V 350 mA 1.75 A 20 A 100 ms 400 mOhms 2.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.033" (0.85mm) -
MINISMDC150F/16-2 Littelfuse Inc.

MINISMDC150F/16-2

PTC RESET FUSE 16V 1.5A 1812

Littelfuse Inc.

2,947
RFQ
MINISMDC150F/16-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 16V 1.5 A 2.8 A 100 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.019" (0.48mm) -
1206L005/60WR Littelfuse Inc.

1206L005/60WR

PTC RESET FUSE 60V 50MA 1206

Littelfuse Inc.

12,313
RFQ
1206L005/60WR 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 - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.049" (1.25mm) -
1206L020/30YR Littelfuse Inc.

1206L020/30YR

PTC RESET FUSE 30V 20MA 1206

Littelfuse Inc.

11,430
RFQ
1206L020/30YR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 30V 200 mA 420 mA 100 A 100 ms 650 mOhms 2.6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.039" (1.00mm) -
RXEF110 Littelfuse Inc.

RXEF110

PTC RESET FUSE 72V 1.1A RADIAL

Littelfuse Inc.

8,627
RFQ
RXEF110 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.504" Dia x 0.118" T (12.80mm x 3.00mm) 0.689" (17.50mm) - 0.200" (5.08mm)
MF-R250 Bourns Inc.

MF-R250

PTC RESET FUSE 30V 2.5A RADIAL

Bourns Inc.

8,420
RFQ
MF-R250 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 2.5 A 5 A 40 A 10.3 s 25 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
MICROSMD075F-2 Littelfuse Inc.

MICROSMD075F-2

PTC RESET FUSE 6V 750MA 1210

Littelfuse Inc.

7,618
RFQ
MICROSMD075F-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Active Polymeric 6V 750 mA 1.5 A 40 A 100 ms 110 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.62mm) -
MICROSMD035F-2 Littelfuse Inc.

MICROSMD035F-2

PTC RESET FUSE 6V 350MA 1210

Littelfuse Inc.

7,592
RFQ
MICROSMD035F-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Active Polymeric 6V 350 mA 750 mA 40 A 200 ms 320 mOhms 1.3 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.62mm) -
PRG21BC4R7MM1RA Murata Electronics

PRG21BC4R7MM1RA

PTC RESET FUSE 30V 155MA 0805

Murata Electronics

5,448
RFQ
PRG21BC4R7MM1RA Datasheet

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 30V 155 mA 330 mA 8 A - - - 4.7 Ohms -20°C ~ 85°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.043" (1.10mm) -
PRG21BC6R8MM1RA Murata Electronics

PRG21BC6R8MM1RA

PTC RESET FUSE 30V 120MA 0805

Murata Electronics

2,183
RFQ
PRG21BC6R8MM1RA Datasheet

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 30V 120 mA 260 mA 5.5 A - - - 6.8 Ohms -20°C ~ 85°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.043" (1.10mm) -
RUEF300 Littelfuse Inc.

RUEF300

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

14,064
RFQ
RUEF300 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) - 0.199" (5.05mm)
SMD200F/24-2920-2 Littelfuse Inc.

SMD200F/24-2920-2

PTC RESET FUSE 24V 2A 2SMD

Littelfuse Inc.

11,076
RFQ
SMD200F/24-2920-2 Datasheet

Datasheet

2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 24V 2 A 4 A 40 A 5 s 50 mOhms 125 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.118" (3.00mm) -
1812L110/33MR Littelfuse Inc.

1812L110/33MR

PTC RESET FUSE 33V 1.1A 1812

Littelfuse Inc.

33,085
RFQ
1812L110/33MR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 33V 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) - 0.079" (2.00mm) -
RGEF300K-2 Littelfuse Inc.

RGEF300K-2

PTC RESET FUSE 16V 3A RADIAL

Littelfuse Inc.

18,220
RFQ
RGEF300K-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) 0.535" (13.60mm) - 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.