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-SM200-2-99 Bourns Inc.

MF-SM200-2-99

PTC RESET FUSE 15V 2A 2SMD

Bourns Inc.

9,230
RFQ
MF-SM200-2-99 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Obsolete Polymeric 15V 2 A 4 A 100 A 12 s 45 mOhms 125 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
MF-SM250-2-99 Bourns Inc.

MF-SM250-2-99

PTC RESET FUSE 15V 2.5A 2SMD

Bourns Inc.

9,995
RFQ
MF-SM250-2-99 Datasheet

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Obsolete Polymeric 15V 2.5 A 5 A 100 A 25 s 24 mOhms 85 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
MICROSMD200LR-2 Littelfuse Inc.

MICROSMD200LR-2

PTC RESET FUSE 6V 2A 1210

Littelfuse Inc.

4,287
RFQ
MICROSMD200LR-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, LoRho Tape & Reel (TR) Obsolete Polymeric 6V 2 A 5 A 50 A 4 s 6 mOhms - - - - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD250LR-A-2 Littelfuse Inc.

MICROSMD250LR-A-2

PTC RESET FUSE 6V 2.5A 1210

Littelfuse Inc.

5,450
RFQ
MICROSMD250LR-A-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, LoRho Tape & Reel (TR) Obsolete Polymeric 6V 2.5 A 5.2 A 50 A 5 s 5 mOhms - - - - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD350LR-2 Littelfuse Inc.

MICROSMD350LR-2

PTC RESET FUSE 6V 3.5A 1206

Littelfuse Inc.

4,388
RFQ
MICROSMD350LR-2 Datasheet

Datasheet

1210 (3225 Metric) PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 3.5 A 9 A 50 A 10 s 2.5 mOhms - - - - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD350LR-D-2 Littelfuse Inc.

MICROSMD350LR-D-2

PTC RESET FUSE 6V 3.5A 1206

Littelfuse Inc.

3,592
RFQ

-

1210 (3225 Metric) PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 3.5 A 9 A 50 A 10 s 2.5 mOhms 11 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD380LR-2 Littelfuse Inc.

MICROSMD380LR-2

PTC RESET FUSE 6V 3.8A 1206

Littelfuse Inc.

2,797
RFQ

-

1210 (3225 Metric) PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 3.8 A 9 A 50 A 10 s 2.5 mOhms 9 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD400LR-2 Littelfuse Inc.

MICROSMD400LR-2

PTC RESET FUSE 6V 4A 1206

Littelfuse Inc.

9,209
RFQ

-

1210 (3225 Metric) PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 4 A 9 A 50 A 10 s 2.5 mOhms 9.9 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD450LR-2 Littelfuse Inc.

MICROSMD450LR-2

PTC RESET FUSE 5V 4.5A 1210

Littelfuse Inc.

3,655
RFQ
MICROSMD450LR-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 5V 4.5 A 9 A 50 A 2 s 2 mOhms 8 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD550LR-2 Littelfuse Inc.

MICROSMD550LR-2

PTC RESET FUSE 5V 5.5A 1210

Littelfuse Inc.

4,648
RFQ

-

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 5V 5.5 A 11 A 50 A 2 s 2 mOhms 6.5 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MICROSMD600LR-2 Littelfuse Inc.

MICROSMD600LR-2

PTC RESET FUSE 6V 6A 1210

Littelfuse Inc.

2,275
RFQ

-

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 6 A 12 A 50 A 2 s 2 mOhms 6.3 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MF-USML600-2 Bourns Inc.

MF-USML600-2

PTC RESET FUSE 6V 6A 1210

Bourns Inc.

3,433
RFQ
MF-USML600-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 6 A 12 A 50 A 2 s 1 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-USML380/6-2 Bourns Inc.

MF-USML380/6-2

PTC RESET FUSE 6V 3.8A 1210

Bourns Inc.

8,339
RFQ
MF-USML380/6-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 3.8 A 7.6 A 50 A 5 s 2 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-USML260/6-2 Bourns Inc.

MF-USML260/6-2

PTC RESET FUSE 6V 2.6A 1210

Bourns Inc.

5,397
RFQ
MF-USML260/6-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 2.6 A 5.2 A 50 A 5 s 4 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.031" (0.80mm) -
MF-USML450/6-2 Bourns Inc.

MF-USML450/6-2

PTC RESET FUSE 6V 4.5A 1210

Bourns Inc.

7,967
RFQ
MF-USML450/6-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 4.5 A 9 A 50 A 2 s 2 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-LSMF330X-2 Bourns Inc.

MF-LSMF330X-2

2920 RESETTABLE SMD PPTC 3.3A/6V

Bourns Inc.

5,645
RFQ
MF-LSMF330X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric - 3.3 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-RG1100-AP-14 Bourns Inc.

MF-RG1100-AP-14

PTC RESETTABLE 11A 16V RADIAL LE

Bourns Inc.

2,325
RFQ
MF-RG1100-AP-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 11 A 18.7 A 100 A 7 s 3.7 mOhms 8.9 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.024" (26.00mm) - 0.201" (5.10mm)
MF-RG1100-2-14 Bourns Inc.

MF-RG1100-2-14

PTC RESETTABLE 11A 16V RADIAL LE

Bourns Inc.

8,689
RFQ
MF-RG1100-2-14 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Reel (TR) Active Polymeric 16V 11 A 18.7 A 100 A 7 s 3.7 mOhms 8.9 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.024" (26.00mm) - 0.201" (5.10mm)
RL3006-50-30-25-PTO Amphenol Advanced Sensors (Thermometrics)

RL3006-50-30-25-PTO

PTC RESET FUSE 25V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

2,473
RFQ
RL3006-50-30-25-PTO Datasheet

Datasheet

Radial, Disc PTO Bulk Obsolete Ceramic 25V - - - 35 s - - 50 Ohms - - - - Through Hole 0.350" Dia x 0.150" T (8.90mm x 3.80mm) 0.350" (8.89mm) - 0.250" (6.35mm)
YPBJ5.60T Amphenol Advanced Sensors (Thermometrics)

YPBJ5.60T

PTC RESET FUSE 80V 130MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

8,297
RFQ
YPBJ5.60T Datasheet

Datasheet

Radial, Disc YP Tape & Reel (TR) Obsolete Ceramic 80V 130 mA 265 mA 4.3 A - - - 5.6 Ohms 0°C ~ 60°C - - - Through Hole 0.433" Dia x 0.138" T (11.00mm x 3.50mm) 0.492" (12.50mm) - 0.200" (5.08mm)
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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.