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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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
SMD2920P260TFA

SMD2920P260TFA

PTC RESET FUSE 6V 2.6A 2920

Littelfuse Inc.

2,136 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 6V 2.6 A 5.2 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) - 0.031" (0.78mm) -
RHEF900-2

RHEF900-2

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

3,687 -
RFQ
RHEF900-2

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Obsolete Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 mOhms 17 mOhms - -40°C ~ 125°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.199" (5.05mm)
RHEF900-AP

RHEF900-AP

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

2,025 -
RFQ
RHEF900-AP

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Box (TB) Obsolete Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 mOhms 17 mOhms - -40°C ~ 125°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.199" (5.05mm)
MF-RG700-AP

MF-RG700-AP

PTC RESET FUSE 16V 7A RADIAL

Bourns Inc.

5,066 -
RFQ
MF-RG700-AP

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 7 A 11.9 A 100 A 8 s 8 mOhms 21 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.740" (18.80mm) - 0.201" (5.10mm)
MF-RHT700-AP

MF-RHT700-AP

PTC RESET FUSE 16V 7A RADIAL

Bourns Inc.

9,254 -
RFQ
MF-RHT700-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 7 A 13 A 100 A 7 s 10 mOhms 25 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.862" (21.90mm) - 0.201" (5.10mm)
MF-R700-AP-14

MF-R700-AP-14

PTC RESETTABLE 7.0A 30V RADIAL L

Bourns Inc.

5,071 -
RFQ
MF-R700-AP-14

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.870" L x 0.118" W (22.10mm x 3.00mm) 1.173" (29.80mm) - 0.402" (10.20mm)
MF-RG600-AP-14

MF-RG600-AP-14

PTC RESETTABLE 6A 16V RADIAL LEA

Bourns Inc.

3,595 -
RFQ
MF-RG600-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
MF-RG600-2-14

MF-RG600-2-14

PTC RESETTABLE 6A 16V RADIAL LEA

Bourns Inc.

8,764 -
RFQ
MF-RG600-2-14

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Reel (TR) Active Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
MF-RG500-AP-14

MF-RG500-AP-14

PTC RESETTABLE 5.0A 16V RADIAL L

Bourns Inc.

7,033 -
RFQ
MF-RG500-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
MF-R800-0-14

MF-R800-0-14

PTC RESETTABLE 8.0A 30V RADIAL L

Bourns Inc.

6,876 -
RFQ
MF-R800-0-14

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 Automotive AEC-Q200 - Through Hole 0.953" L x 0.118" W (24.20mm x 3.00mm) 1.295" (32.90mm) - 0.402" (10.20mm)
MF-RG650-0-14

MF-RG650-0-14

PTC RESETTABLE 6.5A 16V RADIAL L

Bourns Inc.

3,281 -
RFQ
MF-RG650-0-14

Datasheet

Radial, Disc Multifuse®, MF-RG Bulk Active Polymeric 16V 6.5 A 11.1 A 100 A 3.5 s 8.8 mOhms 24 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.776" (19.70mm) - 0.201" (5.10mm)
MF-R700-2-14

MF-R700-2-14

PTC RESETTABLE 7.0A 30V RADIAL L

Bourns Inc.

9,778 -
RFQ
MF-R700-2-14

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.870" L x 0.118" W (22.10mm x 3.00mm) 1.173" (29.80mm) - 0.402" (10.20mm)
MF-RG500-2-14

MF-RG500-2-14

PTC RESETTABLE 5.0A 16V RADIAL L

Bourns Inc.

5,046 -
RFQ
MF-RG500-2-14

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Reel (TR) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
PTR060V0160-TR1

PTR060V0160-TR1

PTC RESET FUSE 60V 1.6A RADIAL

Eaton - Electronics Division

9,898 -
RFQ
PTR060V0160-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 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) 0.839" (21.30mm) - 0.197" (5.00mm)
PTR060V0185-TR1

PTR060V0185-TR1

PTC RESET FUSE 60V 1.85A RADIAL

Eaton - Electronics Division

8,352 -
RFQ
PTR060V0185-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.118" T (17.80mm x 3.00mm) 0.902" (22.90mm) - 0.197" (5.00mm)
TRF600-150-R2-B-0.5

TRF600-150-R2-B-0.5

PTC RESET FUSE 250V 150MA RADIAL

Littelfuse Inc.

2,065 -
RFQ
TRF600-150-R2-B-0.5

Datasheet

Radial, Disc PolySwitch®, TRF600 Bag Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 3 s 7 Ohms 17 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" L x 0.181" W (9.00mm x 4.60mm) 0.492" (12.50mm) - 0.197" (5.00mm)
VTP170XSF-3

VTP170XSF-3

PTC RESET FUSE 16V 1.7A STRAP

Littelfuse Inc.

7,271 -
RFQ
VTP170XSF-3

Datasheet

Strap PolySwitch®, VTP Bulk Obsolete Polymeric 16V 1.7 A 3.4 A 100 A 5 s 30 mOhms 105 mOhms - -40°C ~ 85°C - - - User Defined 0.862" L x 0.201" W (21.90mm x 5.10mm) - 0.032" (0.80mm) -
SMD2920P250TFA

SMD2920P250TFA

PTC RESET FUSE 15V 2.5A 2920

Littelfuse Inc.

4,162 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 15V 2.5 A 5 A 40 A 10 s 35 mOhms 85 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
SMD2920P200TF/24A

SMD2920P200TF/24A

PTC RESET FUSE 24V 2A 2920

Littelfuse Inc.

4,997 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 24V 2 A 4 A 40 A 5 s 50 mOhms 125 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
MF-R600-2-14

MF-R600-2-14

PTC RESETTABLE 6.0A 30V RADIAL L

Bourns Inc.

2,498 -
RFQ
MF-R600-2-14

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.760" L x 0.118" W (19.30mm x 3.00mm) 1.256" (31.90mm) - 0.402" (10.20mm)
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