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
0603L300SLYR Littelfuse Inc.

0603L300SLYR

PTC RESET FUSE 3.0A 6V 0603

Littelfuse Inc.

2,032
RFQ
0603L300SLYR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 3 A 6 A 50 A 5 s 3 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.031" W (1.60mm x 0.80mm) - 0.039" (1.00mm) -
0ZCK0010AF2G Bel Fuse Inc.

0ZCK0010AF2G

PTC RESET FUSE

Bel Fuse Inc.

6,316
RFQ
0ZCK0010AF2G Datasheet

Datasheet

0805 (2012 Metric), Concave 0ZCK Tape & Reel (TR) Active Polymeric 24V 100 mA 300 mA 100 A 1.5 s 700 mOhms 6 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.039" (1.00mm) -
SMD1812B035TF/30 YAGEO

SMD1812B035TF/30

PTC RESET FUSE 30V 350MA 1812

YAGEO

7,481
RFQ
SMD1812B035TF/30 Datasheet

Datasheet

1812 (4532 Metric), Concave SMD1812 Tape & Reel (TR) Active Polymeric 30V 350 mA 750 mA 40 A 150 ms 400 mOhms 1.7 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
BK60-050-DI YAGEO

BK60-050-DI

PTC RESET FUSE 60V 500MA RAD

YAGEO

8,459
RFQ
BK60-050-DI Datasheet

Datasheet

Radial, Disc BK60 Bulk Active Polymeric 60V 500 mA 1 A 40 A 4 s 350 mOhms 850 mOhms - -40°C ~ 85°C - - - Through Hole 0.295" Dia x 0.122" T (7.50mm x 3.10mm) 0.571" (14.50mm) - 0.201" (5.10mm)
0ZCH0150FF2E Bel Fuse Inc.

0ZCH0150FF2E

PTC RESET FUSE 6V 1.5A 1210

Bel Fuse Inc.

3,441
RFQ
0ZCH0150FF2E Datasheet

Datasheet

1210 (3225 Metric), Concave 0ZCH Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 100 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.035" (0.90mm) -
SMD2016B075TF YAGEO

SMD2016B075TF

PTC RESET FUSE 60V 750MA 2016

YAGEO

9,852
RFQ
SMD2016B075TF Datasheet

Datasheet

2016 (5041 Metric), Concave SMD2016 Tape & Reel (TR) Active Polymeric 60V 750 mA 1.55 A 20 A 500 ms 130 mOhms 900 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.089" (2.25mm) -
PFRA.090 SCHURTER Inc.

PFRA.090

PTC RESET FUSE 60V 900MA RADIAL

SCHURTER Inc.

1,165
RFQ
PFRA.090 Datasheet

Datasheet

Radial, Disc PFRA Bulk Active Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" Dia x 0.122" T (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
30R090UU Littelfuse Inc.

30R090UU

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

4,225
RFQ
30R090UU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 30R Bulk Active Polymeric 30V 900 mA 1.8 A 40 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
0ZRE0008FF1C Bel Fuse Inc.

0ZRE0008FF1C

PTC RESET FUSE 240V 80MA RADIAL

Bel Fuse Inc.

4,263
RFQ
0ZRE0008FF1C Datasheet

Datasheet

Radial, Disc 0ZRE Box Active Polymeric 240V 80 mA 190 mA 1.5 A 15 s 7.4 Ohms 26 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.327" L x 0.150" W (8.30mm x 3.80mm) 0.421" (10.70mm) - 0.201" (5.10mm)
RXEF050-1 Littelfuse Inc.

RXEF050-1

PTC RESET FUSE 72V 500MA RADIAL

Littelfuse Inc.

5,884
RFQ
RXEF050-1 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - -40°C ~ 85°C - - - Through Hole 0.311" Dia x 0.118" T (7.90mm x 3.00mm) 0.539" (13.70mm) - 0.199" (5.05mm)
MF-FSML100/8-2 Bourns Inc.

MF-FSML100/8-2

PTC RESET FUSE 8V 1A 0603

Bourns Inc.

5,865
RFQ
MF-FSML100/8-2 Datasheet

Datasheet

0603 (1608 Metric), Concave Multifuse®, MF-FSML Tape & Reel (TR) Active Polymeric 8V 1 A 2 A 50 A 2 s 40 mOhms 220 mOhms - -40°C ~ 85°C - - - Surface Mount 0.065" L x 0.033" W (1.65mm x 0.85mm) - 0.028" (0.70mm) -
RUEF400K Littelfuse Inc.

RUEF400K

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

3,040
RFQ
RUEF400K Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 4 A 8 A 100 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.839" (21.30mm) - 0.199" (5.05mm)
0ZTK0010FF2G Bel Fuse Inc.

0ZTK0010FF2G

PTC RESET FUSE 16V 100MA 0805

Bel Fuse Inc.

9,675
RFQ
0ZTK0010FF2G Datasheet

Datasheet

0805 (2012 Metric), Concave 0ZTK Tape & Reel (TR) Active Polymeric 16V 100 mA 600 mA 40 A 1.5 s 1 Ohms 12 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.031" (0.80mm) -
0ZRR0300FF1A Bel Fuse Inc.

0ZRR0300FF1A

PTC RESET FUSE 60V 3A RADIAL

Bel Fuse Inc.

4,779
RFQ
0ZRR0300FF1A Datasheet

Datasheet

Radial, Disc 0ZRR Bulk Active Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.980" Dia x 0.122" T (24.90mm x 3.10mm) 1.181" (30.00mm) - 0.402" (10.20mm)
LVR012K Littelfuse Inc.

LVR012K

PTC RESET FUSE 240V 120MA RADIAL

Littelfuse Inc.

8,872
RFQ
LVR012K Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 120 mA 300 mA 1.2 A 15 s 3 Ohms 12 Ohms - -20°C ~ 85°C - - - Through Hole 0.327" Dia x 0.150" T (8.30mm x 3.80mm) 0.508" (12.90mm) - 0.200" (5.08mm)
MF-R800 Bourns Inc.

MF-R800

PTC RESET FUSE 30V 8A RADIAL

Bourns Inc.

4,022
RFQ
MF-R800 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active 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)
MF-USML300/12-2 Bourns Inc.

MF-USML300/12-2

PTC RESET FUSE 12V 3A 1210

Bourns Inc.

7,494
RFQ
MF-USML300/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 3 A 6 A 50 A 5 s 3 mOhms 24 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
30R160UU Littelfuse Inc.

30R160UU

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

7,404
RFQ
30R160UU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 30R Bulk Active Polymeric 30V 1.6 A 3.2 A 40 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.201" (5.10mm)
MF-RM055/240-0 Bourns Inc.

MF-RM055/240-0

PTC RESET FUSE 240V 550MA RADIAL

Bourns Inc.

4,055
RFQ
MF-RM055/240-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RM Bulk Active Polymeric 240V (265V Int) 550 mA 1.25 A 7 A 26 s 450 mOhms 1.45 Ohms - -20°C ~ 85°C - - - Through Hole 0.551" L x 0.161" W (14.00mm x 4.10mm) 0.882" (22.40mm) - 0.114" (2.90mm)
ASMDC050F-2 Littelfuse Inc.

ASMDC050F-2

PTC RESET FUSE 60V 500MA 2SMD

Littelfuse Inc.

4,540
RFQ
ASMDC050F-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 10 A 4 s 150 mOhms 1.2 Ohms - - Automotive AEC-Q200 - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.035" (0.90mm) -
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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.