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-RX250-AP-14 Bourns Inc.

MF-RX250-AP-14

PTC RESET FUSE 60V 2.5A RADIAL

Bourns Inc.

6,874
RFQ
MF-RX250-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" Dia x 0.122" T (21.30mm x 3.10mm) 1.050" (26.67mm) - 0.402" (10.20mm)
MF-RX110-AP-14 Bourns Inc.

MF-RX110-AP-14

PTC RESET FUSE 60V 1.1A RADIAL

Bourns Inc.

6,106
RFQ
MF-RX110-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
MF-RX135-AP-14 Bourns Inc.

MF-RX135-AP-14

PTC RESET FUSE 60V 1.35A RADIAL

Bourns Inc.

7,908
RFQ
MF-RX135-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia x 0.122" T (14.50mm x 3.10mm) 0.939" (23.84mm) - 0.402" (10.20mm)
MF-RX160-AP-14 Bourns Inc.

MF-RX160-AP-14

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

3,221
RFQ
MF-RX160-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
MF-RX375-2-14 Bourns Inc.

MF-RX375-2-14

PTC RESET FUSE 60V 3.75A RADIAL

Bourns Inc.

6,383
RFQ
MF-RX375-2-14 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-RX160-2-14 Bourns Inc.

MF-RX160-2-14

PTC RESET FUSE 60V 1.6A RADIAL

Bourns Inc.

4,251
RFQ
MF-RX160-2-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 0.939" (23.84mm) - 0.402" (10.20mm)
MF-RX185-AP-14 Bourns Inc.

MF-RX185-AP-14

PTC RESET FUSE 60V 1.85A RADIAL

Bourns Inc.

8,109
RFQ
MF-RX185-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX Tape & Box (TB) Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.122" T (17.80mm x 3.10mm) 1.050" (26.67mm) - 0.402" (10.20mm)
0007770020 Molex

0007770020

RAYCHEM FUSE (RUE 185) 70020

Molex

9,791
RFQ

-

- * Bulk Obsolete - - - - - - - - - - - - - - - - - -
R1206-010 OptiFuse

R1206-010

PTC RESET FUSE 60V 100MA 1206

OptiFuse

6,629
RFQ
R1206-010 Datasheet

Datasheet

1206 (3216 Metric) R1206 Tape & Reel (TR) Active Polymeric 60V 100 mA 250 mA 100 A 1 s 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.033" (0.85mm) -
R1206-010-R OptiFuse

R1206-010-R

PTC RESET FUSE 60V 100MA 1206

OptiFuse

9,773
RFQ
R1206-010-R Datasheet

Datasheet

1206 (3216 Metric), Concave R1206 Tape & Reel (TR) Active Polymeric 60V 100 mA 250 mA 100 A 1 s 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.033" (0.85mm) -
PSR-28690-2 Littelfuse Inc.

PSR-28690-2

PSR RESET FUSE

Littelfuse Inc.

2,979
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
NANOSMD175LR-E Littelfuse Inc.

NANOSMD175LR-E

PTC RESET FUSE 6V 1.75A 1206

Littelfuse Inc.

7,574
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-28445-E-2 Littelfuse Inc.

PSR-28445-E-2

PSR RESET FUSE

Littelfuse Inc.

2,934
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
MICROSMD450LR-XC-2 Littelfuse Inc.

MICROSMD450LR-XC-2

PTC RESET FUSE 12V 4.5A 1206

Littelfuse Inc.

5,947
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-29330-C Littelfuse Inc.

PSR-29330-C

PSR RESET FUSE

Littelfuse Inc.

2,935
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-28473-D-2 Littelfuse Inc.

PSR-28473-D-2

PSR RESET FUSE

Littelfuse Inc.

2,832
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
NANOSMD550LR-2 Littelfuse Inc.

NANOSMD550LR-2

PTC RESET FUSE 6V 5.5A 1206

Littelfuse Inc.

3,359
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-29138-C-2 Littelfuse Inc.

PSR-29138-C-2

PSR RESET FUSE

Littelfuse Inc.

6,299
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-29131-2 Littelfuse Inc.

PSR-29131-2

PSR RESET FUSE

Littelfuse Inc.

3,418
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-28120-2 Littelfuse Inc.

PSR-28120-2

PSR RESET FUSE

Littelfuse Inc.

4,192
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -

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.