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
TRF250-120T-RA-B-0.5 Littelfuse Inc.

TRF250-120T-RA-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

18,427
RFQ
TRF250-120T-RA-B-0.5 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1.2 s 7 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)
PTCCL05H950HBE Vishay Beyschlag/Draloric/BC Components

PTCCL05H950HBE

PTC RESET FUSE 265V 95MA RADIAL

Vishay Beyschlag/Draloric/BC Components

8,121
RFQ
PTCCL05H950HBE Datasheet

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 95 mA 143 mA 600 mA - - - 56 Ohms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.197" T (5.00mm x 5.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
ASMDC185F/33-2 Littelfuse Inc.

ASMDC185F/33-2

PTC RESET FUSE 33V 1.85A 2SMD

Littelfuse Inc.

7,938
RFQ
ASMDC185F/33-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 33V 1.85 A 3.7 A 40 A 2.5 s 50 mOhms 150 mOhms - - Automotive AEC-Q200 - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.028" (0.71mm) -
VTP210GF Littelfuse Inc.

VTP210GF

PTC RESET FUSE 16V 2.1A STRAP

Littelfuse Inc.

2,371
RFQ
VTP210GF Datasheet

Datasheet

Strap PolySwitch®, VTP Bulk Active Polymeric 16V 2.1 A 4.7 A 100 A 5 s 18 mOhms 60 mOhms - -40°C ~ 85°C - - - User Defined 0.909" L x 0.209" W (23.10mm x 5.30mm) - 0.032" (0.80mm) -
B59622A0090A062 EPCOS - TDK Electronics

B59622A0090A062

THERMISTOR PTC 220 OHM 25% 0603

EPCOS - TDK Electronics

26,146
RFQ
B59622A0090A062 Datasheet

Datasheet

0603 (1608 Metric) B59622 Tape & Reel (TR) Active Ceramic 60V 20 mA 40 mA 220 mA - 150 Ohms 220 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.063" L x 0.031" W (1.60mm x 0.80mm) - 0.035" (0.90mm) -
1812L050/60MR Littelfuse Inc.

1812L050/60MR

PTC RESET FUSE 60V 500MA 1812

Littelfuse Inc.

20,951
RFQ
1812L050/60MR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 10 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.071" (1.80mm) -
TSL250-080F-2 Littelfuse Inc.

TSL250-080F-2

PTC RESET FUSE 80V 80MA 2SMD

Littelfuse Inc.

17,158
RFQ
TSL250-080F-2 Datasheet

Datasheet

2-SMD PolySwitch®, TSL250 Tape & Reel (TR) Active Polymeric 80V (250V Int) 80 mA 240 mA 3 A 800 ms 5 Ohms 20 Ohms - -40°C ~ 85°C - - - Surface Mount 0.287" L x 0.199" W (7.30mm x 5.05mm) - 0.146" (3.70mm) -
1206L110/16WR Littelfuse Inc.

1206L110/16WR

PTC RESET FUSE 16V 1.1A 1206

Littelfuse Inc.

4,790
RFQ
1206L110/16WR Datasheet

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 16V 1.1 A 2.2 A 100 A 100 ms 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.030" (0.75mm) -
1210L075/24PR Littelfuse Inc.

1210L075/24PR

PTC RESET FUSE 24V 750MA 1210

Littelfuse Inc.

2,137
RFQ
1210L075/24PR Datasheet

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 24V 750 mA 1.5 A 100 A 100 ms 130 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.071" (1.80mm) -
250S130DR Littelfuse Inc.

250S130DR

PTC RESET FUSE 60V 130MA 2SMD

Littelfuse Inc.

1,837
RFQ
250S130DR Datasheet

Datasheet

2-SMD POLY-FUSE®, 250S Tape & Reel (TR) Active Polymeric 60V (250V Int) 130 mA 260 mA 3 A 4 s 4 Ohms 20 Ohms - -40°C ~ 85°C - - - Surface Mount 0.370" L x 0.291" W (9.40mm x 7.40mm) - 0.146" (3.70mm) -
1210L110/16WR Littelfuse Inc.

1210L110/16WR

PTC RESET FUSE 16V 1.1A 1210

Littelfuse Inc.

33,730
RFQ
1210L110/16WR Datasheet

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 16V 1.1 A 2.2 A 100 A 100 ms 60 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.049" (1.25mm) -
MF-LSMF185/33X-2 Bourns Inc.

MF-LSMF185/33X-2

PTC RESET FUSE 33V 1.85A 2920

Bourns Inc.

9,553
RFQ
MF-LSMF185/33X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 33V 1.85 A 3.7 A 40 A 2.5 s 45 mOhms 150 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
1210L150/16WR Littelfuse Inc.

1210L150/16WR

PTC RESET FUSE 16V 1.5A 1210

Littelfuse Inc.

34,601
RFQ
1210L150/16WR Datasheet

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 16V 1.5 A 3 A 100 A 300 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.042" (1.07mm) -
1812L050/30PR Littelfuse Inc.

1812L050/30PR

PTC RESET FUSE 30V 500MA 1812

Littelfuse Inc.

18,281
RFQ
1812L050/30PR Datasheet

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 30V 500 mA 1 A 100 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.039" (1.00mm) -
1210L050/30WR Littelfuse Inc.

1210L050/30WR

PTC RESET FUSE 30V 500MA 1210

Littelfuse Inc.

11,587
RFQ
1210L050/30WR Datasheet

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 30V 500 mA 1 A 40 A 150 ms 220 mOhms 900 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.049" (1.25mm) -
SRP420F Littelfuse Inc.

SRP420F

PTC RESET FUSE 30V 4.2A STRAP

Littelfuse Inc.

9,427
RFQ
SRP420F Datasheet

Datasheet

Strap PolySwitch®, SRP Bulk Active Polymeric 30V 4.2 A 7.6 A 100 A 6 s 12 mOhms 40 mOhms - -40°C ~ 85°C - - - User Defined 1.240" L x 0.522" W (31.50mm x 13.25mm) - 0.043" (1.10mm) -
2920L260/24DR Littelfuse Inc.

2920L260/24DR

PTC RESET FUSE 24V 2.6A 2920

Littelfuse Inc.

476
RFQ
2920L260/24DR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 24V 2.6 A 5 A 40 A 10 s 25 mOhms 75 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.049" (1.25mm) -
MF-USHT050KX-2 Bourns Inc.

MF-USHT050KX-2

PTC RESET FUSE 30V 500MA 1210

Bourns Inc.

4,016
RFQ
MF-USHT050KX-2 Datasheet

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USHT Tape & Reel (TR) Active Polymeric 30V 500 mA 2.5 A 20 A 100 ms 300 mOhms 1.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.100" W (3.20mm x 2.55mm) - 0.033" (0.85mm) -
RXEF300 Littelfuse Inc.

RXEF300

PTC RESET FUSE 72V 3A RADIAL

Littelfuse Inc.

9,263
RFQ
RXEF300 Datasheet

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.941" Dia x 0.118" T (23.90mm x 3.00mm) 1.126" (28.60mm) - 0.400" (10.15mm)
MF-LSMF260X-2 Bourns Inc.

MF-LSMF260X-2

PTC RESET FUSE 24V 2.6A 2920

Bourns Inc.

30,890
RFQ
MF-LSMF260X-2 Datasheet

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 24V 2.6 A 5.2 A 20 A 5 s 20 mOhms 75 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
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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.