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
MF-RHT200/32-AP

MF-RHT200/32-AP

PTC RESET FUSE 32V 2A RADIAL

Bourns Inc.

3,839 -
RFQ
MF-RHT200/32-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 32V 2 A 3.8 A 50 A 3 s 45 mOhms 110 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
MF-USML600/6-2

MF-USML600/6-2

PTC RESET FUSE 6V 6A 1210

Bourns Inc.

3,340 -
RFQ
MF-USML600/6-2

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 6 A 12 A 50 A 2 s 1 mOhms 10 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MF-USML650/6-2

MF-USML650/6-2

PTC RESET FUSE 6V 6.5A 1210

Bourns Inc.

3,204 -
RFQ
MF-USML650/6-2

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 6.5 A 13 A 50 A 2 s 1 mOhms 9 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
MF-LSMF110X-2

MF-LSMF110X-2

2920 RESETTABLE SMD PPTC 1.1A/33

Bourns Inc.

5,546 -
RFQ
MF-LSMF110X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 33V 1.1 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-LSMF150X-2

MF-LSMF150X-2

2920 RESETTABLE SMD PPTC 1.5A/15

Bourns Inc.

1,968 -
RFQ
MF-LSMF150X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric - 1.5 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-NSMF050/8X-2

MF-NSMF050/8X-2

FUSE RESET PPTC 1206 0.50A/8V

Bourns Inc.

7,868 -
RFQ
MF-NSMF050/8X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 8V 500 mA 1 A 100 A 100 ms 150 mOhms 750 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.033" (0.85mm) -
MF-NSMF075/13X-2

MF-NSMF075/13X-2

FUSE RESET PPTC 1206 0.75A/13.2V

Bourns Inc.

5,980 -
RFQ
MF-NSMF075/13X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 13.2V 750 mA 1.5 A 100 A 100 ms 90 mOhms 350 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.047" (1.20mm) -
MF-R090-AP

MF-R090-AP

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

4,000 -
RFQ
MF-R090-AP

Datasheet

Radial, Disc Multifuse®, MF-R Cut Tape (CT) Active Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" L x 0.122" W (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
0ZRV0008FF1E

0ZRV0008FF1E

SENSOR PTC RADIAL

Bel Fuse Inc.

3,000 -
RFQ
0ZRV0008FF1E

Datasheet

Radial, Disc 0ZRV Bulk Active Ceramic 277V (305V Int) 80 mA 260 mA 1.2 A 18 s 4.5 Ohms 18 Ohms - -20°C ~ 85°C - - AEC-Q200 Through Hole 0.291" L x 0.150" W (7.40mm x 3.80mm) 0.480" (12.20mm) - 0.201" (5.10mm)
0ZRV0005FF1E

0ZRV0005FF1E

SENSOR PTC RADIAL

Bel Fuse Inc.

3,000 -
RFQ
0ZRV0005FF1E

Datasheet

Radial, Disc 0ZRV Bulk Active Ceramic 277V (305V Int) 50 mA 200 mA 1 A 18 s 8 Ohms 26 Ohms - -20°C ~ 85°C - - AEC-Q200 Through Hole 0.291" Dia x 0.150" T (7.40mm x 3.80mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX135/72-2-14

MF-RX135/72-2-14

FUSE PTC RESETTABLE

Bourns Inc.

2,946 -
RFQ
MF-RX135/72-2-14

Datasheet

Radial, Disc MF-RX/72 Tape & Reel (TR) Active - 72V 1.35 A 2.7 A 40 A 9.6 s - - - - - - - Through Hole 0.483" L x 0.122" W (12.26mm x 3.10mm) 0.718" (18.26mm) - 0.201" (5.10mm)
MF-LSMF075X-2

MF-LSMF075X-2

2920 RESETTABLE SMD PPTC 0.75A/3

Bourns Inc.

10,734 -
RFQ
MF-LSMF075X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric - 750 mA - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-RX110/72-0-14

MF-RX110/72-0-14

FUSE PTC RESETTABLE

Bourns Inc.

2,994 -
RFQ
MF-RX110/72-0-14

Datasheet

Radial, Disc MF-RX/72 Bulk Active - 72V 1.1 A 2.2 A 40 A 8.2 s - - - - - - - Through Hole 0.427" L x 0.122" W (10.84mm x 3.10mm) 0.662" (16.84mm) - 0.201" (5.10mm)
MF-LSMF200X-2

MF-LSMF200X-2

2920 RESETTABLE SMD PPTC 2.0A/15

Bourns Inc.

3,369 -
RFQ
MF-LSMF200X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric - 2 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-LSMF260/6X-2

MF-LSMF260/6X-2

2920 RESETTABLE SMD PPTC 2.6A/6V

Bourns Inc.

2,985 -
RFQ
MF-LSMF260/6X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 6V 2.6 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-LSMF185X-2

MF-LSMF185X-2

2920 RESETTABLE SMD PPTC 1.85/15

Bourns Inc.

2,494 -
RFQ
MF-LSMF185X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric - 1.85 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
MF-NSMF110/6X-2

MF-NSMF110/6X-2

FUSE RESET PPTC 1206 1.1A/6V

Bourns Inc.

8,000 -
RFQ
MF-NSMF110/6X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 6V 1.1 A 2.2 A 100 A 100 ms 60 mOhms 240 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.043" (1.10mm) -
MF-NSMF035/24X-2

MF-NSMF035/24X-2

FUSE RESET PPTC 1206 0.35A/24V

Bourns Inc.

7,619 -
RFQ
MF-NSMF035/24X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 24V 350 mA 750 mA 80 A 100 ms 300 mOhms 1.4 Ohms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.033" (0.85mm) -
MF-NSMF150/6X-2

MF-NSMF150/6X-2

FUSE RESET PPTC 1206 1.5A/6V

Bourns Inc.

6,000 -
RFQ
MF-NSMF150/6X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 100 A 300 ms 30 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.043" (1.10mm) -
MF-NSMF075/16X-2

MF-NSMF075/16X-2

FUSE RESET PPTC 1206 0.75A/16V

Bourns Inc.

5,827 -
RFQ
MF-NSMF075/16X-2

Datasheet

1206 (3216 Metric), Concave Multifuse® freeXpansionTM, MF-NSMF Tape & Reel (TR) Active Polymeric 16V 750 mA 1.5 A 100 A 100 ms 90 mOhms 350 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.60mm) - 0.047" (1.20mm) -
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