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
VLR230SF

VLR230SF

PTC RESET FUSE 12V 2.3A STRAP

Littelfuse Inc.

3,087 -
RFQ

-

Strap PolySwitch®, VLR Bulk Obsolete Polymeric 12V 2.3 A 5 A 100 A 5 s 12 mOhms 36 mOhms - -40°C ~ 70°C - - - User Defined 0.866" L x 0.201" W (22.00mm x 5.10mm) - 0.032" (0.80mm) -
SMD2920P030TFA

SMD2920P030TFA

PTC RESET FUSE 60V 300MA 2920

Littelfuse Inc.

8,454 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 60V 300 mA 600 mA 10 A 3 s 1.2 Ohms 4.8 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
SMD2920P050TFA

SMD2920P050TFA

PTC RESET FUSE 60V 500MA 2920

Littelfuse Inc.

7,008 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 60V 500 mA 1 A 10 A 4 s 350 mOhms 1.4 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
SMD2920P075TFA

SMD2920P075TFA

PTC RESET FUSE 30V 750MA 2920

Littelfuse Inc.

7,678 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 30V 750 mA 1.5 A 40 A 300 ms 350 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
SMD2920P150TFA

SMD2920P150TFA

PTC RESET FUSE 33V 1.5A 2920

Littelfuse Inc.

7,369 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 33V 1.5 A 3 A 40 A 2 s 80 mOhms 230 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
PTGL09AR150M3B51A0

PTGL09AR150M3B51A0

PTC RESET FUSE 56V 190MA RADIAL

Murata Electronics

3,809 -
RFQ
PTGL09AR150M3B51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 56V 190 mA 340 mA 1.2 A - - - 15 Ohms -10°C ~ 60°C - - - Through Hole 0.374" Dia x 0.157" T (9.50mm x 4.00mm) 0.610" (15.50mm) - 0.197" (5.00mm)
SMD1812P260TFA

SMD1812P260TFA

PTC RESET FUSE 6V 2.6A 1812

Littelfuse Inc.

2,940 -
RFQ
SMD1812P260TFA

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, SMD1812 Tape & Reel (TR) Obsolete Polymeric 6V 2.6 A 5.2 A 40 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) - 0.051" (1.30mm) -
PTR060V0110-TR1

PTR060V0110-TR1

PTC RESET FUSE 60V 1.1A RADIAL

Eaton - Electronics Division

9,275 -
RFQ
PTR060V0110-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.118" T (13.00mm x 3.00mm) 0.709" (18.00mm) - 0.197" (5.00mm)
0ZRN0450FF1E

0ZRN0450FF1E

PTC RESET FUSE 16V 4.5A RADIAL

Bel Fuse Inc.

3,552 -
RFQ
0ZRN0450FF1E

Datasheet

Radial, Disc 0ZRN Bulk Active Polymeric 16V 4.5 A 7.8 A 100 A 3 s 22 mOhms 54 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) - 0.201" (5.10mm)
PTGL09AR220M6C61B0

PTGL09AR220M6C61B0

PTC RESET FUSE 140V 180MA RADIAL

Murata Electronics

3,938 -
RFQ
PTGL09AR220M6C61B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 140V 180 mA 280 mA 1 A - - - 22 Ohms -10°C ~ 60°C - - - Through Hole 0.378" Dia x 0.236" T (9.60mm x 6.00mm) 0.614" (15.60mm) - 0.256" (6.50mm)
MF-RHT650-AP

MF-RHT650-AP

PTC RESET FUSE 16V 6.5A RADIAL

Bourns Inc.

7,032 -
RFQ
MF-RHT650-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Box (TB) Active Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 26 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.114" (2.90mm)
MF-R600-AP

MF-R600-AP

PTC RESET FUSE 30V 6A RADIAL

Bourns Inc.

5,347 -
RFQ
MF-R600-AP

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.760" L x 0.118" W (19.30mm x 3.00mm) 1.256" (31.90mm) - 0.402" (10.20mm)
MF-RHT600-AP

MF-RHT600-AP

PTC RESET FUSE 16V 6A RADIAL

Bourns Inc.

3,638 -
RFQ
MF-RHT600-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 6 A 10.8 A 100 A 5 s 13 mOhms 21.5 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.827" (21.00mm) - 0.201" (5.10mm)
MF-RHT500-2-14

MF-RHT500-2-14

PTC 5.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

8,151 -
RFQ
MF-RHT500-2-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 5 A 9 A 100 A 9 s 17.5 mOhms 45 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-RHT550-2-14

MF-RHT550-2-14

PTC 5.5A 16V RADIAL LEADED HI-TE

Bourns Inc.

3,843 -
RFQ
MF-RHT550-2-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 5.5 A 10 A 100 A 6 s 15 mOhms 37 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-R500-0-14

MF-R500-0-14

PTC RESETTABLE 5.0A 30V RADIAL L

Bourns Inc.

8,762 -
RFQ
MF-R500-0-14

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.118" W (17.40mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
MF-RHT550-AP-14

MF-RHT550-AP-14

PTC 5.5A 16V RADIAL LEADED HI-TE

Bourns Inc.

6,279 -
RFQ
MF-RHT550-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Box (TB) Active Polymeric 16V 5.5 A 10 A 100 A 6 s 15 mOhms 37 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-RHT500-AP-14

MF-RHT500-AP-14

PTC 5.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

3,112 -
RFQ
MF-RHT500-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Box (TB) Active Polymeric 16V 5 A 9 A 100 A 9 s 17.5 mOhms 45 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-RG300-AP

MF-RG300-AP

PTC RESET FUSE 16V 3A RADIAL

Bourns Inc.

2,724 -
RFQ
MF-RG300-AP

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 3 A 5.1 A 100 A 1 s 38 mOhms 97.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.118" W (7.10mm x 3.00mm) 0.433" (11.00mm) - 0.201" (5.10mm)
MF-RG400-AP

MF-RG400-AP

PTC RESET FUSE 16V 4A RADIAL

Bourns Inc.

2,282 -
RFQ
MF-RG400-AP

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 4 A 6.8 A 100 A 1.7 s 21 mOhms 60 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.390" L x 0.118" W (9.90mm x 3.00mm) 0.504" (12.80mm) - 0.201" (5.10mm)
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