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
PTGL07AS2R7K2B51A0 Murata Electronics

PTGL07AS2R7K2B51A0

PTC RESET FUSE 30V 425MA RADIAL

Murata Electronics

8,282
RFQ
PTGL07AS2R7K2B51A0 Datasheet

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 30V 425 mA 565 mA 4.5 A - - - 2.7 Ohms -10°C ~ 60°C - - - Through Hole 0.287" Dia x 0.138" T (7.30mm x 3.50mm) 0.484" (12.30mm) - 0.197" (5.00mm)
PTGL09BD2R2N2B51A0 Murata Electronics

PTGL09BD2R2N2B51A0

PTC RESET FUSE 24V 326MA RADIAL

Murata Electronics

8,558
RFQ
PTGL09BD2R2N2B51A0 Datasheet

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 24V 326 mA 431 mA 2 A - - - 2.2 Ohms -10°C ~ 60°C - - - Through Hole 0.374" Dia x 0.157" T (9.50mm x 4.00mm) 0.610" (15.50mm) - 0.197" (5.00mm)
PTGLESARR15M1B51B0 Murata Electronics

PTGLESARR15M1B51B0

PTC RESET FUSE 16V 1.545A RADIAL

Murata Electronics

7,945
RFQ
PTGLESARR15M1B51B0 Datasheet

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 16V 1.545 A 2.855 A 10 A - - - 150 mOhms -30°C ~ 85°C - - - Through Hole 0.531" Dia x 0.138" T (13.50mm x 3.50mm) 0.728" (18.50mm) - 0.197" (5.00mm)
YS5940PTH Amphenol Advanced Sensors (Thermometrics)

YS5940PTH

PTC RESET FUSE HEATERS 40%

Amphenol Advanced Sensors (Thermometrics)

4,051
RFQ
YS5940PTH Datasheet

Datasheet

- PTH Bulk Active - - - - - - - - - - - - - - - - - -
MF-RX375-AP Bourns Inc.

MF-RX375-AP

PTC RESET FUSE 60V 3.75A RADIAL

Bourns Inc.

2,421
RFQ
MF-RX375-AP Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.118" Dia x 0.122" T (28.40mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
MF-R025-AP-99 Bourns Inc.

MF-R025-AP-99

PTC RESET FUSE 60V 250MA RADIAL

Bourns Inc.

5,954
RFQ
MF-R025-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Obsolete Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-R110-AP-99 Bourns Inc.

MF-R110-AP-99

PTC RESET FUSE 30V 1.1A RADIAL

Bourns Inc.

4,505
RFQ
MF-R110-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 100 mOhms 270 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
MF-R300-AP-99 Bourns Inc.

MF-R300-AP-99

PTC RESET FUSE 30V 3A RADIAL

Bourns Inc.

2,664
RFQ
MF-R300-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Obsolete Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 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)
MF-RX375-AP-99 Bourns Inc.

MF-RX375-AP-99

PTC RESET FUSE 60V 3.75A RADIAL

Bourns Inc.

5,804
RFQ
MF-RX375-AP-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.118" Dia x 0.122" T (28.40mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
MF-R1100-2-99 Bourns Inc.

MF-R1100-2-99

PTC RESET FUSE 16V 11A RADIAL

Bourns Inc.

3,028
RFQ
MF-R1100-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 16V 11 A 22 A 100 A 20 s 3 mOhms 14 mOhms - -40°C ~ 85°C - - - Through Hole 0.953" L x 0.118" W (24.20mm x 3.00mm) 1.295" (32.90mm) - 0.402" (10.20mm)
MF-R500-2-99 Bourns Inc.

MF-R500-2-99

PTC RESET FUSE 30V 5A RADIAL

Bourns Inc.

3,730
RFQ
MF-R500-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete 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)
MF-R800-2-99 Bourns Inc.

MF-R800-2-99

PTC RESET FUSE 30V 8A RADIAL

Bourns Inc.

7,567
RFQ
MF-R800-2-99 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 8 A 16 A 40 A 18.8 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.953" L x 0.118" W (24.20mm x 3.00mm) 1.295" (32.90mm) - 0.402" (10.20mm)
RUEF600K-0.144 Littelfuse Inc.

RUEF600K-0.144

PTC RESET FUSE 30V 6A RADIAL

Littelfuse Inc.

8,645
RFQ
RUEF600K-0.144 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bulk Active Polymeric 30V 6 A 12 A 100 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.032" (26.20mm) - 0.400" (10.15mm)
RUEF900K-0.144 Littelfuse Inc.

RUEF900K-0.144

PTC RESET FUSE 30V 9A RADIAL

Littelfuse Inc.

2,525
RFQ
RUEF900K-0.144 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bulk Active Polymeric 30V 9 A 18 A 100 A 20 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.949" L x 0.118" W (24.10mm x 3.00mm) 1.220" (31.00mm) - 0.400" (10.15mm)
RXEF017-0.142 Littelfuse Inc.

RXEF017-0.142

PTC RESET FUSE 60V 170MA RADIAL

Littelfuse Inc.

8,689
RFQ
RXEF017-0.142 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bulk Active Polymeric 60V 170 mA 340 mA 40 A 3 s 3.3 Ohms 8 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.199" (5.05mm)
RXEF185K-0.167 Littelfuse Inc.

RXEF185K-0.167

PTC RESET FUSE 72V 1.85A RADIAL

Littelfuse Inc.

9,872
RFQ
RXEF185K-0.167 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bulk Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.660" Dia x 0.118" T (16.76mm x 3.00mm) 0.906" (23.00mm) - 0.199" (5.05mm)
PSR-24883F Littelfuse Inc.

PSR-24883F

PTC RESET FUSE 60V 160MA

Littelfuse Inc.

5,292
RFQ
PSR-24883F Datasheet

Datasheet

- PSR Bulk Active Polymeric 60V 160 mA 640 mA 3 A 7 s 6.5 Ohms 8 Ohms - 125°C - - - - - - - -
MICROSMD010F-02 Littelfuse Inc.

MICROSMD010F-02

PTC RESET FUSE 30V 100MA 1210

Littelfuse Inc.

2,845
RFQ
MICROSMD010F-02 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 30V 100 mA 250 mA 10 A 1 s 2.1 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
MINISMDC050F-02 Littelfuse Inc.

MINISMDC050F-02

PTC RESET FUSE 24V 500MA 1812

Littelfuse Inc.

4,350
RFQ

-

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 24V 500 mA 1 A 100 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.024" (0.62mm) -
TRF250-080TA Littelfuse Inc.

TRF250-080TA

PTC RESET FUSE 60V 80MA RADIAL

Littelfuse Inc.

3,217
RFQ
TRF250-080TA Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bulk Active Polymeric 60V (250V Int) 80 mA 160 mA 3 A 4 s 15 Ohms 33 Ohms - 0°C ~ 85°C - - - Through Hole 0.228" Dia x 0.181" T (5.80mm x 4.60mm) 0.390" (9.90mm) - 0.197" (5.00mm)
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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.