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-R040-2 Bourns Inc.

MF-R040-2

PTC RESET FUSE 60V 400MA RADIAL

Bourns Inc.

2,391
RFQ
MF-R040-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 60V 400 mA 800 mA 40 A 3.8 s 520 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
RHEF450-2 Littelfuse Inc.

RHEF450-2

PTC RESET FUSE 16V 4.5A RADIAL

Littelfuse Inc.

2,002
RFQ
RHEF450-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 16V 4.5 A 7.8 A 100 A 3 s 22 mOhms 54 mOhms - -40°C ~ 125°C - - - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) - 0.199" (5.05mm)
LVR012S-2 Littelfuse Inc.

LVR012S-2

PTC RESET FUSE 240V 120MA RADIAL

Littelfuse Inc.

4,313
RFQ
LVR012S-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) 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) 0.430" (10.70mm) - 0.200" (5.08mm)
0ZSC0190FF1E Bel Fuse Inc.

0ZSC0190FF1E

PTC RESET FUSE 20V 1.9A STRAP

Bel Fuse Inc.

2,844
RFQ
0ZSC0190FF1E Datasheet

Datasheet

Strap 0ZSC Bulk Active Polymeric 20V 1.9 A 3.9 A 100 A 5 s 39 mOhms 102 mOhms - -40°C ~ 85°C - - - User Defined 0.827" L x 0.205" W (21.00mm x 5.20mm) - 0.039" (1.00mm) -
16R400GU Littelfuse Inc.

16R400GU

PTC RESET FUSE 16V 4A RADIAL

Littelfuse Inc.

2,745
RFQ
16R400GU Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Active Polymeric 16V 4 A 6.8 A 100 A 1.7 s 21 mOhms 60 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.504" (12.80mm) - 0.201" (5.10mm)
MF-RM012/240-2 Bourns Inc.

MF-RM012/240-2

PTC RESET FUSE 240V 120MA RADIAL

Bourns Inc.

2,577
RFQ
MF-RM012/240-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RM Tape & Reel (TR) 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) - 0.114" (2.90mm)
2016L200PR Littelfuse Inc.

2016L200PR

PTC RESET FUSE 6V 2A 2016

Littelfuse Inc.

4,729
RFQ
2016L200PR Datasheet

Datasheet

2016 (5041 Metric), Concave POLY-FUSE®, 2016L Tape & Reel (TR) Active Polymeric 6V 2 A 4.2 A 40 A 3 s 48 mOhms 100 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.030" (0.75mm) -
MF-USML450/12-2 Bourns Inc.

MF-USML450/12-2

PTC RESET FUSE 12V 4.5A 1210

Bourns Inc.

3,289
RFQ
MF-USML450/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 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-USML550/12-2 Bourns Inc.

MF-USML550/12-2

PTC RESET FUSE 12V 5.5A 1210

Bourns Inc.

3,142
RFQ
MF-USML550/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 5.5 A 11 A 50 A 2 s 1 mOhms 10 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-USML400/12-2 Bourns Inc.

MF-USML400/12-2

PTC RESET FUSE 12V 4A 1210

Bourns Inc.

3,130
RFQ
MF-USML400/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 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) -
TRF250-120U-2 Littelfuse Inc.

TRF250-120U-2

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

3,125
RFQ
TRF250-120U-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1 s 6 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)
AHS300F/24-2 Littelfuse Inc.

AHS300F/24-2

PPTC-SMD-PSW

Littelfuse Inc.

2,748
RFQ
AHS300F/24-2 Datasheet

Datasheet

2-SMD PolySwitch® AHS Tape & Reel (TR) Active Polymeric 24V 3 A 6 A 20 A 8 s 15 mOhms 100 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) 0.118" (3.00mm) - -
MF-USML380/12-2 Bourns Inc.

MF-USML380/12-2

PTC RESET FUSE 12V 3.8A 1210

Bourns Inc.

1,876
RFQ
MF-USML380/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 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-USML200/12-2 Bourns Inc.

MF-USML200/12-2

PTC RESET FUSE 12V 2A 1210

Bourns Inc.

1,788
RFQ
MF-USML200/12-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 12V 2 A 4 A 50 A 5 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.031" (0.80mm) -
0ZRF0018FF1A Bel Fuse Inc.

0ZRF0018FF1A

PTC RESET FUSE 60V 180MA RADIAL

Bel Fuse Inc.

1,295
RFQ
0ZRF0018FF1A Datasheet

Datasheet

Radial, Disc 0ZRF Box Active Polymeric 60V 180 mA 580 mA 3 A 11 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.429" L x 0.181" W (10.90mm x 4.60mm) 0.496" (12.60mm) - 0.197" (5.00mm)
B59890C0160A070 EPCOS - TDK Electronics

B59890C0160A070

PTC RESET FUSE 160V 35MA RADIAL

EPCOS - TDK Electronics

6,050
RFQ
B59890C0160A070 Datasheet

Datasheet

Radial, Disc - Bulk Active Ceramic 160V 35 mA 70 mA 200 mA - - - 150 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.197" T (4.00mm x 5.00mm) 0.295" (7.50mm) - 0.197" (5.00mm)
0ZRE0040FF2B Bel Fuse Inc.

0ZRE0040FF2B

PTC RESET FUSE 240V 400MA RADIAL

Bel Fuse Inc.

2,988
RFQ
0ZRE0040FF2B Datasheet

Datasheet

Radial, Disc 0ZRE Tape & Reel (TR) Active Polymeric 240V 400 mA 900 mA 7 A 24 s 600 mOhms 1.9 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.453" L x 0.150" W (11.50mm x 3.80mm) 0.768" (19.50mm) - 0.201" (5.10mm)
ASMD100F-2 Littelfuse Inc.

ASMD100F-2

PTC RESET FUSE 30V 900MA 2SMD

Littelfuse Inc.

11,480
RFQ
ASMD100F-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 30V 900 mA 2.16 A 40 A 20 s 98 mOhms 480 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.287" L x 0.201" W (7.30mm x 5.10mm) - 0.118" (3.00mm) -
ASMDC030F-2 Littelfuse Inc.

ASMDC030F-2

PTC RESET FUSE 60V 300MA 2SMD

Littelfuse Inc.

7,618
RFQ
ASMDC030F-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 60V 300 mA 600 mA 10 A 3 s 300 mOhms 3.4 Ohms - - Automotive AEC-Q200 - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.035" (0.90mm) -
LVR016K-2 Littelfuse Inc.

LVR016K-2

PTC RESET FUSE 240V 160MA RADIAL

Littelfuse Inc.

27,676
RFQ
LVR016K-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) Active Polymeric 240V (265V Int) 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -20°C ~ 85°C - - - Through Hole 0.390" Dia x 0.150" T (9.90mm x 3.80mm) 0.543" (13.80mm) - 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.