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
RUEF400-2 Littelfuse Inc.

RUEF400-2

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

2,688
RFQ
RUEF400-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) 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) 0.760" (19.30mm) - 0.199" (5.05mm)
DECASMDC050F/60-2 Littelfuse Inc.

DECASMDC050F/60-2

PTC RESET FUSE 60V 550MA 2018

Littelfuse Inc.

30,906
RFQ
DECASMDC050F/60-2 Datasheet

Datasheet

2018 (5045 Metric), Concave PolySwitch®, decaSMD Tape & Reel (TR) Active Polymeric 60V 550 mA 1.1 A 10 A 100 ms 200 mOhms 1.1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.197" L x 0.177" W (5.01mm x 4.50mm) - 0.035" (0.89mm) -
2920L075/60MR Littelfuse Inc.

2920L075/60MR

PTC RESET FUSE 60V 750MA 2920

Littelfuse Inc.

17,041
RFQ
2920L075/60MR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 60V 750 mA 1.5 A 10 A 300 ms 300 mOhms 950 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.049" (1.25mm) -
RGEF500-2 Littelfuse Inc.

RGEF500-2

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

10,480
RFQ
RGEF500-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.390" L x 0.098" W (9.90mm x 2.50mm) 0.563" (14.30mm) - 0.199" (5.05mm)
TSV250-130F-2 Littelfuse Inc.

TSV250-130F-2

PTC RESET FUSE 60V 130MA 2SMD

Littelfuse Inc.

9,772
RFQ
TSV250-130F-2 Datasheet

Datasheet

2-SMD PolySwitch®, TS250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 130 mA 260 mA 3 A 2 s 4 Ohms 12 Ohms - -40°C ~ 85°C - - - Surface Mount 0.240" L x 0.272" W (6.10mm x 6.90mm) - 0.126" (3.20mm) -
0ZTH0020FF2E Bel Fuse Inc.

0ZTH0020FF2E

PTC RESET FUSE 30V 200MA 1210

Bel Fuse Inc.

2,517
RFQ
0ZTH0020FF2E Datasheet

Datasheet

1210 (3225 Metric), Concave 0ZTH Tape & Reel (TR) Active Polymeric 30V 200 mA 500 mA 10 A 100 ms 800 mOhms 5 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
RKEF300 Littelfuse Inc.

RKEF300

PTC RESET FUSE 60V 3A RADIAL

Littelfuse Inc.

5,287
RFQ
RKEF300 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 3 A 6 A 40 A 19.8 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.835" (21.20mm) - 0.199" (5.05mm)
2920L200/24DR Littelfuse Inc.

2920L200/24DR

PTC RESET FUSE 24V 2A 2920

Littelfuse Inc.

4,157
RFQ
2920L200/24DR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 24V 2 A 4 A 40 A 5 s 50 mOhms 125 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.049" (1.25mm) -
NANOASMDCH050F/24-2 Littelfuse Inc.

NANOASMDCH050F/24-2

PTC RESET FUSE 24V 500MA 1206

Littelfuse Inc.

18,486
RFQ
NANOASMDCH050F/24-2 Datasheet

Datasheet

1206 (3216 Metric), Concave PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 24V 500 mA 2.5 A 20 A 100 ms 200 mOhms 1.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.062" W (3.20mm x 1.58mm) - 0.045" (1.14mm) -
SMDC300F/24-2 Littelfuse Inc.

SMDC300F/24-2

PTC RESET FUSE 24V 3A 2920

Littelfuse Inc.

10,904
RFQ
SMDC300F/24-2 Datasheet

Datasheet

2920 (7351 Metric), Concave SMDC Tape & Reel (TR) Active Polymeric 24V 3 A 6 A 40 A 5 s - - - - - - - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.043" (1.10mm) -
FEMTOSMDC005F-2 Littelfuse Inc.

FEMTOSMDC005F-2

PTC RESET FUSE 15V 50MA 0603

Littelfuse Inc.

7,779
RFQ
FEMTOSMDC005F-2 Datasheet

Datasheet

0603 (1608 Metric), Concave PolySwitch®, femtoSMD Tape & Reel (TR) Active Polymeric 15V 50 mA 150 mA 40 A 100 ms 3.8 Ohms 30 Ohms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.033" (0.85mm) -
AHS300-2 Littelfuse Inc.

AHS300-2

PTC RESET FUSE 16V 3A 2SMD

Littelfuse Inc.

2,921
RFQ
AHS300-2 Datasheet

Datasheet

2-SMD PolySwitch®, AHS Tape & Reel (TR) Active Polymeric 16V 3 A 6 A 70 A 8 s 24 mOhms 83 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) -
2920L110/60MR Littelfuse Inc.

2920L110/60MR

PTC RESET FUSE 60V 1.1A 2920

Littelfuse Inc.

39,778
RFQ
2920L110/60MR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 60V 1.1 A 2.2 A 20 A 500 ms 120 mOhms 410 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.36mm x 5.12mm) - 0.079" (2.00mm) -
2920L185DR Littelfuse Inc.

2920L185DR

PTC RESET FUSE 33V 1.85A 2920

Littelfuse Inc.

6,913
RFQ
2920L185DR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 33V 1.85 A 3.7 A 40 A 2.5 s 50 mOhms 150 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.049" (1.25mm) -
MF-NSMF200-2 Bourns Inc.

MF-NSMF200-2

PTC RESET FUSE 6V 2A 1206

Bourns Inc.

3,049
RFQ
MF-NSMF200-2 Datasheet

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSMF Tape & Reel (TR) Active Polymeric 6V 2 A 4 A 100 A 1 s 20 mOhms 85 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.063" (1.60mm) -
SRP350F Littelfuse Inc.

SRP350F

PTC RESET FUSE 30V 3.5A STRAP

Littelfuse Inc.

32,069
RFQ
SRP350F Datasheet

Datasheet

Strap PolySwitch®, SRP Bulk Active Polymeric 30V 3.5 A 6.3 A 100 A 3 s 17 mOhms 50 mOhms - -40°C ~ 85°C - - - User Defined 1.185" L x 0.522" W (30.10mm x 13.25mm) - 0.043" (1.10mm) -
SRP200F Littelfuse Inc.

SRP200F

PTC RESET FUSE 30V 2A STRAP

Littelfuse Inc.

18,535
RFQ
SRP200F Datasheet

Datasheet

Strap PolySwitch®, SRP Bulk Active Polymeric 30V 2 A 4.4 A 100 A 4 s 30 mOhms 100 mOhms - -40°C ~ 85°C - - - User Defined 0.880" L x 0.417" W (22.35mm x 10.60mm) - 0.043" (1.10mm) -
2920L300/15DR Littelfuse Inc.

2920L300/15DR

PTC RESET FUSE 15V 3A 2920

Littelfuse Inc.

4,390
RFQ
2920L300/15DR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 15V 3 A 5 A 40 A 20 s 15 mOhms 48 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.049" (1.25mm) -
RUEF600 Littelfuse Inc.

RUEF600

PTC RESET FUSE 30V 6A RADIAL

Littelfuse Inc.

15,967
RFQ
RUEF600 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 6 A 12 A 100 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.949" (24.10mm) - 0.400" (10.15mm)
MF-R900 Bourns Inc.

MF-R900

PTC RESET FUSE 30V 9A RADIAL

Bourns Inc.

1,928
RFQ
MF-R900 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 9 A 18 A 40 A 20 s 5 mOhms 20 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)
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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.