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
PFUF.020.2

PFUF.020.2

PTC RESET FUSE 30V 200MA 1210

SCHURTER Inc.

4,347 -
RFQ
PFUF.020.2

Datasheet

1210 (3225 Metric), Concave PFUF Tape & Reel (TR) Active Polymeric 30V 200 mA 400 mA 10 A 20 ms 400 mOhms 5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.093" W (3.22mm x 2.35mm) - 0.037" (0.95mm) -
MF-RX185/72-0-14

MF-RX185/72-0-14

PTC RESET FUSE 72V 1.85A RADIAL

Bourns Inc.

8,186 -
RFQ
MF-RX185/72-0-14

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" L x 0.122" W (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
MF-PSML200/6-2

MF-PSML200/6-2

PTC RESET FUSE 6V 2A 0805

Bourns Inc.

5,185 -
RFQ
MF-PSML200/6-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 6V 2 A 4 A 50 A 2 s 5 mOhms 50 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.055" (1.40mm) -
0ZRR0005FF2E

0ZRR0005FF2E

PTC RESET FUSE 60V 50MA RADIAL

Bel Fuse Inc.

5,160 -
RFQ
0ZRR0005FF2E

Datasheet

Radial, Disc 0ZRR Tape & Reel (TR) Active Polymeric 60V 50 mA 100 mA 40 A 5 s 7.3 Ohms 20 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
PTS08056V035

PTS08056V035

PTC RESET FUSE 6V 350MA 0805

Eaton - Electronics Division

3,203 -
RFQ
PTS08056V035

Datasheet

0805 (2012 Metric) PTS0805 Tape & Reel (TR) Active - 6V 350 mA 750 mA 100 A 0.1 s - - - - - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.030" (0.75mm) -
PFMF.075.24.2

PFMF.075.24.2

PTC RESET FUSE 24V 750MA 1812

SCHURTER Inc.

2,587 -
RFQ
PFMF.075.24.2

Datasheet

1812 (4532 Metric), Concave PFMF Tape & Reel (TR) Active Polymeric 24V 750 mA 1.5 A 40 A 200 ms 110 mOhms 450 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.033" (0.85mm) -
0ZRC0110FF1A

0ZRC0110FF1A

PTC RESET FUSE 90V 1.1A RADIAL

Bel Fuse Inc.

10,374 -
RFQ
0ZRC0110FF1A

Datasheet

Radial, Disc 0ZRC Box Active Polymeric 90V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.512" L x 0.122" W (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
PTSA181224V110

PTSA181224V110

PTC RESET FUSE 1.1A 24V 1812

Eaton - Electronics Division

1,289 -
RFQ
PTSA181224V110

Datasheet

1812 (4532 Metric), Concave PTSA1812 Tape & Reel (TR) Active - 24V 1.1 A 2.2 A 40 A 300 ms 40 mOhms 260 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.178" L x 0.126" W (4.53mm x 3.20mm) - 0.051" (1.30mm) -
RXEF020S-2

RXEF020S-2

PTC RESET FUSE 72V 200MA RADIAL

Littelfuse Inc.

7,812 -
RFQ
RXEF020S-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.441" (11.20mm) - 0.199" (5.05mm)
PTSLR08058V260

PTSLR08058V260

PTC RESET FUSE 2.6A 8V 0805

Eaton - Electronics Division

6,795 -
RFQ
PTSLR08058V260

Datasheet

0805 (2012 Metric), Concave PTSLR0805 Tape & Reel (TR) Active - 8V 2.6 A 5.2 A 50 A 5 s 7 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.098" L x 0.063" W (2.50mm x 1.60mm) - 0.028" (0.70mm) -
PTSA181230V020

PTSA181230V020

PTC RESET FUSE 200MA 30V 1812

Eaton - Electronics Division

4,058 -
RFQ
PTSA181230V020

Datasheet

1812 (4532 Metric), Concave PTSA1812 Tape & Reel (TR) Active - 30V 200 mA 400 mA 10 A 20 ms 600 mOhms 5 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.178" L x 0.126" W (4.53mm x 3.20mm) - 0.039" (1.00mm) -
RUEF300-AP

RUEF300-AP

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

2,906 -
RFQ
RUEF300-AP

Datasheet

Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) - 0.199" (5.05mm)
PFRA.025

PFRA.025

PTC RESET FUSE 60V 250MA RADIAL

SCHURTER Inc.

1,253 -
RFQ
PFRA.025

Datasheet

Radial, Disc PFRA Bulk Active Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RG400-0

MF-RG400-0

PTC RESET FUSE 16V 3A RADIAL

Bourns Inc.

1,221 -
RFQ
MF-RG400-0

Datasheet

Radial, Disc Multifuse®, MF-RG Bulk Active Polymeric 16V 4 A 6.8 A 100 A 1.7 s 21 mOhms 60 mOhms - -40°C ~ 85°C - AEC-Q200 - Through Hole 0.390" L x 0.118" W (9.90mm x 3.00mm) 0.504" (12.80mm) - 0.201" (5.10mm)
RGEF250-2

RGEF250-2

PTC RESET FUSE 16V 2.5A RADIAL

Littelfuse Inc.

1,822 -
RFQ
RGEF250-2

Datasheet

Radial, Disc PolySwitch®, RGEF Tape & Reel (TR) Active Polymeric 16V 2.5 A 4.7 A 100 A 5 s 22 mOhms 53 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.504" (12.80mm) - 0.199" (5.05mm)
PTR016V0600-BK

PTR016V0600-BK

PTC RESET FUSE 16V 6A RADIAL

Eaton - Electronics Division

1,029 -
RFQ
PTR016V0600-BK

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 6 A 10.2 A 100 A 3.3 s 6 mOhms 28 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.122" W (10.70mm x 3.10mm) 0.673" (17.10mm) - 0.197" (5.00mm)
MF-R025-2

MF-R025-2

PTC RESET FUSE 60V 250MA RADIAL

Bourns Inc.

9,102 -
RFQ
MF-R025-2

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX020/72-0

MF-RX020/72-0

PTC RESET FUSE 72V 200MA RADIAL

Bourns Inc.

1,460 -
RFQ
MF-RX020/72-0

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.5 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
PFMF.200.2

PFMF.200.2

PTC RESET FUSE 8V 2A 1812

SCHURTER Inc.

1,249 -
RFQ
PFMF.200.2

Datasheet

1812 (4532 Metric), Concave PFMF Tape & Reel (TR) Active Polymeric 8V 2 A 4 A 40 A 3 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.033" (0.85mm) -
RUEF110-AP

RUEF110-AP

PTC RESET FUSE 30V 1.1A RADIAL

Littelfuse Inc.

7,144 -
RFQ
RUEF110-AP

Datasheet

Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 1.1 A 2.2 A 100 A 6.6 s 70 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.199" (5.05mm)
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