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-NSMF050/24X-2 Bourns Inc.

MF-NSMF050/24X-2

FUSE RESET PPTC 1206 0.50A/24V

Bourns Inc.

5,757
RFQ
MF-NSMF050/24X-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 24V 500 mA 1 A 100 A 100 ms 150 mOhms 750 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.033" (0.85mm) -
MF-NSMF125/8X-2 Bourns Inc.

MF-NSMF125/8X-2

FUSE RESET PPTC 1206 1.25A/8V

Bourns Inc.

4,957
RFQ
MF-NSMF125/8X-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 8V 1.25 A 2.5 A 100 A 200 ms 40 mOhms 150 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.043" (1.10mm) -
MF-LSMF075/60X-2 Bourns Inc.

MF-LSMF075/60X-2

FUSE RESETTABLE 2920 0.75A 60V

Bourns Inc.

3,803
RFQ
MF-LSMF075/60X-2 Datasheet

Datasheet

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
MF-NSML600/6-2 Bourns Inc.

MF-NSML600/6-2

PTC RESET FUSE 6V 6A 1206

Bourns Inc.

3,090
RFQ
MF-NSML600/6-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 6V 6 A 12 A 50 A 5 s 2 mOhms 9 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.039" (1.00mm) -
MF-NSML350/6-2 Bourns Inc.

MF-NSML350/6-2

PTC RESET FUSE 6V 3.5A 1206

Bourns Inc.

2,809
RFQ
MF-NSML350/6-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 6V 3.5 A 7 A 50 A 5 s 2 mOhms 22 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.055" (1.40mm) -
MF-LSMF150/33X-2 Bourns Inc.

MF-LSMF150/33X-2

2920 RESETTABLE SMD PPTC 1.5A/33

Bourns Inc.

2,254
RFQ
MF-LSMF150/33X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 33V 1.5 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-SMHT300-2 Bourns Inc.

MF-SMHT300-2

PTC RESET FUSE 16V 3.0A 2SMD

Bourns Inc.

1,499
RFQ
MF-SMHT300-2 Datasheet

Datasheet

2-SMD Multifuse®, MF-S Tape & Reel (TR) Active Polymeric 16V 3 A 6 A 100 A 8 s 24 mOhms 83 mOhms - -40°C ~ 125°C Automotive AEC-Q200 AEC-Q200 Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
MF-LSMF110/60X-2 Bourns Inc.

MF-LSMF110/60X-2

FUSE RESETTABLE 2920 1.1A 60V

Bourns Inc.

3,957
RFQ
MF-LSMF110/60X-2 Datasheet

Datasheet

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
MF-USML400/6-2 Bourns Inc.

MF-USML400/6-2

PTC RESET FUSE 6V 4A 1210

Bourns Inc.

3,500
RFQ
MF-USML400/6-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 4 A 8 A 50 A 5 s 2 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-NSML550/6-2 Bourns Inc.

MF-NSML550/6-2

PTC RESET FUSE 6V 5.5A 1206

Bourns Inc.

3,235
RFQ
MF-NSML550/6-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 6V 5.5 A 11 A 50 A 5 s 2 mOhms 10 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.039" (1.00mm) -
MF-LSMF260/16X-2 Bourns Inc.

MF-LSMF260/16X-2

2920 RESETTABLE SMD PPTC 2.6A/16

Bourns Inc.

3,000
RFQ
MF-LSMF260/16X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 16V 2.6 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
TRF250-145US-B-0.5 Littelfuse Inc.

TRF250-145US-B-0.5

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

1,890
RFQ
TRF250-145US-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 4 s 3.5 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" L x 0.150" W (6.00mm x 3.80mm) 0.394" (10.00mm) - 0.197" (5.00mm)
MF-LSMF125/33X-2 Bourns Inc.

MF-LSMF125/33X-2

2920 RESETTABLE SMD PPTC 1.25A/3

Bourns Inc.

4,457
RFQ
MF-LSMF125/33X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 33V 1.25 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
TCF250-120T-B-0.5 Littelfuse Inc.

TCF250-120T-B-0.5

PTC RESET FUSE 60V 120MA SMD

Littelfuse Inc.

1,216
RFQ
TCF250-120T-B-0.5 Datasheet

Datasheet

Nonstandard SMD PolySwitch®, TCF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 600 ms 6.3 Ohms 18 Ohms - -40°C ~ 85°C - - - Surface Mount 0.217" L x 0.217" W (5.50mm x 5.50mm) - 0.091" (2.30mm) -
MF-LSMF200/24X-2 Bourns Inc.

MF-LSMF200/24X-2

2920 RESETTABLE SMD PPTC 2.0A/24

Bourns Inc.

2,839
RFQ
MF-LSMF200/24X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 24V 2 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
0ZRV0012FF1E Bel Fuse Inc.

0ZRV0012FF1E

SENSOR PTC RADIAL

Bel Fuse Inc.

3,000
RFQ
0ZRV0012FF1E Datasheet

Datasheet

Radial, Disc 0ZRV Bulk Active Ceramic 277V (305V Int) 120 mA 300 mA 1.2 A 18 s 3 Ohms 12 Ohms - -20°C ~ 85°C - - AEC-Q200 Through Hole 0.319" L x 0.150" W (8.10mm x 3.80mm) 0.504" (12.80mm) - 0.201" (5.10mm)
0ZRV0016FF1E Bel Fuse Inc.

0ZRV0016FF1E

SENSOR PTC RADIAL

Bel Fuse Inc.

3,000
RFQ
0ZRV0016FF1E Datasheet

Datasheet

Radial, Disc 0ZRV Bulk Active Ceramic 277V (305V Int) 160 mA 370 mA 1.6 A 18 s 2.3 Ohms 8 Ohms - -20°C ~ 85°C - - AEC-Q200 Through Hole 0.291" L x 0.150" W (7.40mm x 3.80mm) 0.559" (14.20mm) - 0.201" (5.10mm)
TRF250-120T-RF-B-0.5 Littelfuse Inc.

TRF250-120T-RF-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

6,560
RFQ
TRF250-120T-RF-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 900 ms 6 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
MF-RX250/72-0-14 Bourns Inc.

MF-RX250/72-0-14

FUSE PTC RESETTABLE

Bourns Inc.

2,933
RFQ
MF-RX250/72-0-14 Datasheet

Datasheet

Radial, Disc MF-RX/72 Bulk Active - 72V 2.5 A 5 A 40 A 15.6 s - - - - - - - Through Hole 0.839" L x 0.122" W (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
TRF250-120UT Littelfuse Inc.

TRF250-120UT

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

1,960
RFQ
TRF250-120UT Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1.5 s 7 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" L x 0.150" W (6.00mm x 3.80mm) 0.394" (10.00mm) - 0.197" (5.00mm)
Total 4956 Record«Prev1... 7980818283848586...248Next»

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.