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
AHS080-2018-2 Littelfuse Inc.

AHS080-2018-2

PTC RESET FUSE 16V 800MA 2SMD

Littelfuse Inc.

23,714
RFQ
AHS080-2018-2 Datasheet

Datasheet

2-SMD PolySwitch®, AHS Tape & Reel (TR) Active Polymeric 16V 800 mA 2 A 70 A 9 s 130 mOhms 550 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.060" (1.52mm) -
0ZRM0090FF1E Bel Fuse Inc.

0ZRM0090FF1E

PTC RESET FUSE 120V 900MA RADIAL

Bel Fuse Inc.

9,429
RFQ
0ZRM0090FF1E Datasheet

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 900 mA 1.8 A 5 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.469" Dia x 0.150" T (11.90mm x 3.80mm) 0.626" (15.90mm) - 0.201" (5.10mm)
MF-NSHT016KX-2 Bourns Inc.

MF-NSHT016KX-2

PTC RESET FUSE 30V 160MA 1206

Bourns Inc.

9,387
RFQ
MF-NSHT016KX-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSHT Tape & Reel (TR) Active Polymeric 30V 160 mA 800 mA 20 A 100 ms 700 mOhms 6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.033" (0.85mm) -
MF-NSHT050KX-2 Bourns Inc.

MF-NSHT050KX-2

PTC RESET FUSE 16V 500MA 1206

Bourns Inc.

8,302
RFQ
MF-NSHT050KX-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSHT Tape & Reel (TR) Active Polymeric 16V 500 mA 2.5 A 20 A 100 ms 170 mOhms 1.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.047" (1.20mm) -
RUSBF110-2 Littelfuse Inc.

RUSBF110-2

PTC RESET FUSE 16V 1.1A RADIAL

Littelfuse Inc.

4,920
RFQ
RUSBF110-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUSBF Tape & Reel (TR) Active Polymeric 16V 1.1 A 2.2 A 40 A 2.3 s 50 mOhms 140 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.199" (5.05mm)
RKEF185 Littelfuse Inc.

RKEF185

PTC RESET FUSE 60V 1.85A RADIAL

Littelfuse Inc.

23,820
RFQ
RKEF185 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 60 mOhms 250 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" L x 0.150" W (13.00mm x 3.81mm) 0.740" (18.80mm) - 0.200" (5.08mm)
MF-RX185/72-0 Bourns Inc.

MF-RX185/72-0

PTC RESET FUSE 72V 1.85A RADIAL

Bourns Inc.

18,727
RFQ
MF-RX185/72-0 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" L x 0.122" W (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
MICROASMD005F-2 Littelfuse Inc.

MICROASMD005F-2

PTC RESET FUSE 30V 50MA 1210

Littelfuse Inc.

11,911
RFQ
MICROASMD005F-2 Datasheet

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microASMD Tape & Reel (TR) Active Polymeric 30V 50 mA 150 mA 10 A 1.5 s 3.6 Ohms 50 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.026" (0.67mm) -
1812L260THDR Littelfuse Inc.

1812L260THDR

PTC RESET FUSE 8V 2.6A 1812

Littelfuse Inc.

7,610
RFQ
1812L260THDR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 8V 2.6 A 5.2 A 100 A 2.5 s 15 mOhms 47 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.039" (1.00mm) -
PRG21BC2R2MM1RA Murata Electronics

PRG21BC2R2MM1RA

PTC RESET FUSE 16V 220MA 0805

Murata Electronics

2,500
RFQ
PRG21BC2R2MM1RA Datasheet

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 16V 220 mA 500 mA 9 A - - - 2.2 Ohms -20°C ~ 85°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.043" (1.10mm) -
PRG21BB220MB1RK Murata Electronics

PRG21BB220MB1RK

PTC RESET FUSE 20V 44MA 0805

Murata Electronics

26,767
RFQ
PRG21BB220MB1RK Datasheet

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 20V 44 mA 91 mA 1.1 A - - - 22 Ohms -20°C ~ 60°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.057" (1.45mm) -
PRG21BC1R0MM1RA Murata Electronics

PRG21BC1R0MM1RA

PTC RESET FUSE 12V 330MA 0805

Murata Electronics

24,850
RFQ
PRG21BC1R0MM1RA Datasheet

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 12V 330 mA 740 mA 10 A - - - 1 Ohms -20°C ~ 85°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.043" (1.10mm) -
CMF-RL35-0 Bourns Inc.

CMF-RL35-0

PTC RESET FUSE 220V 75MA RADIAL

Bourns Inc.

13,013
RFQ
CMF-RL35-0 Datasheet

Datasheet

Radial, Disc CMF-RL Bulk Active Ceramic 230V (600V Int) 80 mA 220 mA 3 A 150 ms - - 35 Ohms -40°C ~ 125°C - - - Through Hole 0.386" L x 0.197" W (9.80mm x 5.00mm) 0.532" (13.50mm) - 0.200" (5.08mm)
RXEF160-2 Littelfuse Inc.

RXEF160-2

PTC RESET FUSE 72V 1.6A RADIAL

Littelfuse Inc.

4,444
RFQ
RXEF160-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 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 0.118" T (16.30mm x 3.00mm) 0.819" (20.80mm) - 0.200" (5.08mm)
RXEF090-2 Littelfuse Inc.

RXEF090-2

PTC RESET FUSE 72V 900MA RADIAL

Littelfuse Inc.

4,265
RFQ
RXEF090-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" Dia x 0.118" T (11.20mm x 3.00mm) 0.622" (15.80mm) - 0.199" (5.05mm)
SMD150F/33-2920-2 Littelfuse Inc.

SMD150F/33-2920-2

PTC RESET FUSE 33V 1.5A 2SMD

Littelfuse Inc.

3,902
RFQ
SMD150F/33-2920-2 Datasheet

Datasheet

2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 33V 1.5 A 3 A 40 A 5 s 80 mOhms - - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.118" (3.00mm) -
1812L200THPR Littelfuse Inc.

1812L200THPR

PTC RESET FUSE 8V 2A 1812

Littelfuse Inc.

3,354
RFQ
1812L200THPR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 8V 2 A 3.5 A 100 A 2 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.024" (0.60mm) -
RKEF160 Littelfuse Inc.

RKEF160

PTC RESET FUSE 60V 1.6A RADIAL

Littelfuse Inc.

2,246
RFQ
RKEF160 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 1.6 A 3.2 A 40 A 9 s 100 mOhms 320 mOhms - -40°C ~ 85°C - - - Through Hole 0.480" L x 0.150" W (12.20mm x 3.81mm) 0.720" (18.30mm) - 0.200" (5.08mm)
1206L005/30WR Littelfuse Inc.

1206L005/30WR

PTC RESET FUSE 60V 50MA 1206

Littelfuse Inc.

2,124
RFQ
1206L005/30WR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 30V 50 mA 150 mA 10 A 1.5 s 3.6 Ohms 20 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - - -
RHEF050 Littelfuse Inc.

RHEF050

PTC RESET FUSE 30V 500MA RADIAL

Littelfuse Inc.

2,000
RFQ
RHEF050 Datasheet

Datasheet

Radial, Disc PolySwitch®, RHEF Bag Active Polymeric 30V 500 mA 920 mA 40 A 2.5 s 480 mOhms 1.1 Ohms - -40°C ~ 125°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.199" (5.05mm)
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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.