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-RX075/72-0 Bourns Inc.

MF-RX075/72-0

PTC RESET FUSE 72V 750MA RADIAL

Bourns Inc.

1,332
RFQ
MF-RX075/72-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
RKEF065-AP Littelfuse Inc.

RKEF065-AP

PTC RESET FUSE 60V 650MA RADIAL

Littelfuse Inc.

1,224
RFQ
RKEF065-AP Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Cut Tape (CT) Active Polymeric 60V 650 mA 1.3 A 40 A 1 s 250 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.140" W (7.10mm x 3.56mm) 0.480" (12.20mm) - 0.199" (5.05mm)
RUEF185-AP Littelfuse Inc.

RUEF185-AP

PTC RESET FUSE 30V 1.85A RADIAL

Littelfuse Inc.

3,914
RFQ
RUEF185-AP Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 1.85 A 3.7 A 100 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.118" T (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.199" (5.05mm)
PTSA120624V020 Eaton - Electronics Division

PTSA120624V020

PTC RESET FUSE 200MA 24V 1206

Eaton - Electronics Division

3,807
RFQ
PTSA120624V020 Datasheet

Datasheet

1206 (3216 Metric), Concave PTSA1206 Tape & Reel (TR) Active - 24V 200 mA 420 mA 40 A 100 ms 300 mOhms 3.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.132" L x 0.067" W (3.35mm x 1.70mm) - 0.039" (1.00mm) -
PTSA120648V016 Eaton - Electronics Division

PTSA120648V016

PTC RESET FUSE 160MA 48V 1206

Eaton - Electronics Division

3,742
RFQ
PTSA120648V016 Datasheet

Datasheet

1206 (3216 Metric), Concave PTSA1206 Tape & Reel (TR) Active - 48V 160 mA 450 mA 10 A 400 ms 1.1 Ohms 5 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.132" L x 0.067" W (3.35mm x 1.70mm) - 0.039" (1.00mm) -
MF-FSML175/8-2 Bourns Inc.

MF-FSML175/8-2

PTC RESET FUSE 8V 1.75A 0603

Bourns Inc.

2,979
RFQ
MF-FSML175/8-2 Datasheet

Datasheet

0603 (1608 Metric), Concave Multifuse®, MF-FSML Tape & Reel (TR) Active Polymeric 8V 1.75 A 3.5 A 50 A 5 s 8 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.065" L x 0.033" W (1.65mm x 0.85mm) - 0.055" (1.40mm) -
PTSA120648V012 Eaton - Electronics Division

PTSA120648V012

PTC RESET FUSE 120MA 48V 1206

Eaton - Electronics Division

2,123
RFQ
PTSA120648V012 Datasheet

Datasheet

1206 (3216 Metric), Concave PTSA1206 Tape & Reel (TR) Active - 48V 120 mA 390 mA 10 A 300 ms 1.2 Ohms 15 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.132" L x 0.067" W (3.35mm x 1.70mm) - 0.039" (1.00mm) -
0ZRG0250FF1E Bel Fuse Inc.

0ZRG0250FF1E

PTC RESET FUSE 30V 2.5A RADIAL

Bel Fuse Inc.

1,004
RFQ
0ZRG0250FF1E Datasheet

Datasheet

Radial, Disc 0ZRG Bulk Active Polymeric 30V 2.5 A 5 A 40 A 40 s 20 mOhms 70 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
RKEF075-2 Littelfuse Inc.

RKEF075-2

PTC RESET FUSE 60V 750MA RADIAL

Littelfuse Inc.

14,074
RFQ
RKEF075-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Tape & Reel (TR) Active Polymeric 60V 750 mA 1.5 A 40 A 1.5 s 200 mOhms 640 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.598" (15.20mm) - 0.199" (5.05mm)
PFSM.125.2 SCHURTER Inc.

PFSM.125.2

PTC RESET FUSE 15V 1.25A 2SMD

SCHURTER Inc.

1,990
RFQ
PFSM.125.2 Datasheet

Datasheet

2-SMD PFSM Tape & Reel (TR) Active Polymeric 15V 1.25 A 2.5 A 100 A 2 s 70 mOhms 250 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.289" L x 0.214" W (7.36mm x 5.44mm) - 0.118" (3.00mm) -
RUSBF185-2 Littelfuse Inc.

RUSBF185-2

PTC RESET FUSE 16V 1.85A RADIAL

Littelfuse Inc.

2,970
RFQ
RUSBF185-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUSBF Tape & Reel (TR) Active Polymeric 16V 1.85 A 3.7 A 40 A 10 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.199" (5.05mm)
MF-R185-0-17 Bourns Inc.

MF-R185-0-17

PTC RESETTABLE 1.85A 30V RADIAL

Bourns Inc.

5,000
RFQ
MF-R185-0-17 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 40 mOhms 110 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.472" Dia x 0.118" T (12.00mm x 3.00mm) 0.724" (18.40mm) - 0.201" (5.10mm)
PTSLR08058V350 Eaton - Electronics Division

PTSLR08058V350

PTC RESET FUSE 3.5A 8V 0805

Eaton - Electronics Division

3,902
RFQ
PTSLR08058V350 Datasheet

Datasheet

0805 (2012 Metric), Concave PTSLR0805 Tape & Reel (TR) Active - 8V 3.5 A 7 A 50 A 5 s 4 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.098" L x 0.063" W (2.50mm x 1.60mm) - 0.039" (1.00mm) -
MINIASMDC125F/16-2 Littelfuse Inc.

MINIASMDC125F/16-2

PTC RESET FUSE 16V 1.25A 1812

Littelfuse Inc.

1,500
RFQ
MINIASMDC125F/16-2 Datasheet

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 16V 1.25 A 2.5 A 100 A 400 ms 50 mOhms 140 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.019" (0.48mm) -
MF-S175 Bourns Inc.

MF-S175

PTC RESET FUSE 15V 1.75A STRAP

Bourns Inc.

5,530
RFQ
MF-S175 Datasheet

Datasheet

Strap Multifuse®, MF-S Bulk Active Polymeric 15V 1.75 A 3.8 A 100 A 4 s 50 mOhms 120 mOhms - -40°C ~ 85°C - - - User Defined 0.827" L x 0.199" W (21.00mm x 5.05mm) - 0.039" (1.00mm) -
TCF250-100T-B-0.5 Littelfuse Inc.

TCF250-100T-B-0.5

PTC RESET FUSE 60V 90MA SMD

Littelfuse Inc.

1,961
RFQ
TCF250-100T-B-0.5 Datasheet

Datasheet

Nonstandard SMD PolySwitch®, TCF250 Bag Active Polymeric 60V (250V Int) 90 mA 150 mA 3 A 200 ms 14 Ohms 24 Ohms - -40°C ~ 85°C - - - Surface Mount 0.187" L x 0.187" W (4.75mm x 4.75mm) - 0.091" (2.30mm) -
72R020XPR Littelfuse Inc.

72R020XPR

PTC RESET FUSE 72V 200MA RADIAL

Littelfuse Inc.

1,864
RFQ
72R020XPR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 72R Cut Tape (CT) Active Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.461" (11.70mm) - 0.201" (5.10mm)
PTR060V0030-TR Eaton - Electronics Division

PTR060V0030-TR

PTC RESET FUSE 60V 300MA RADIAL

Eaton - Electronics Division

5,909
RFQ
PTR060V0030-TR Datasheet

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 300 mA 600 mA 40 A 3 s 880 mOhms 2.1 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.512" (13.00mm) - 0.197" (5.00mm)
RUSBF135-2 Littelfuse Inc.

RUSBF135-2

PTC RESET FUSE 16V 1.35A RADIAL

Littelfuse Inc.

2,406
RFQ
RUSBF135-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUSBF Tape & Reel (TR) Active Polymeric 16V 1.35 A 2.7 A 40 A 4.5 s 40 mOhms 112 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) - 0.199" (5.05mm)
ASMD185F-2 Littelfuse Inc.

ASMD185F-2

PTC RESET FUSE 16V 1.85A 2SMD

Littelfuse Inc.

1,917
RFQ
ASMD185F-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 16V 1.85 A 3.7 A 40 A 11.3 s 32 mOhms 126 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) - 0.118" (3.00mm) -
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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.