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
ASMD150F/33-2

ASMD150F/33-2

PTC RESET FUSE 33V 1.2A 2SMD

Littelfuse Inc.

5,354 -
RFQ
ASMD150F/33-2

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 33V 1.2 A 2.88 A 40 A 14 s 68 mOhms 230 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) 0.118" (3.00mm) - -
LVR016S-2

LVR016S-2

PTC RESET FUSE 240V 160MA RADIAL

Littelfuse Inc.

5,011 -
RFQ
LVR016S-2

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) Active Polymeric 240V (265V Int) 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -20°C ~ 85°C - - - Through Hole 0.390" Dia x 0.150" T (9.90mm x 3.80mm) 0.492" (12.50mm) - 0.200" (5.08mm)
PTSLR12066V110

PTSLR12066V110

PTC RESET FUSE 6V 1.1A 1206

Eaton - Electronics Division

4,715 -
RFQ
PTSLR12066V110

Datasheet

1206 (3216 Metric), Concave PTSLR1206 Tape & Reel (TR) Active Polymeric 6V 1.1 A 2.2 A 50 A 300 ms 15 mOhms 130 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.028" (0.70mm) -
PTSLR12066V150

PTSLR12066V150

PTC RESET FUSE 6V 1.5A 1206

Eaton - Electronics Division

4,181 -
RFQ
PTSLR12066V150

Datasheet

1206 (3216 Metric), Concave PTSLR1206 Tape & Reel (TR) Active Polymeric 6V 1.5 A 3 A 50 A 300 ms 10 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.028" (0.70mm) -
0ZTJ0035FF2E

0ZTJ0035FF2E

PTC RESET FUSE 16V 350MA 1206

Bel Fuse Inc.

2,052 -
RFQ
0ZTJ0035FF2E

Datasheet

1206 (3216 Metric), Concave 0ZTJ Tape & Reel (TR) Active Polymeric 16V 350 mA 950 mA 80 A 200 ms 200 mOhms 1.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.043" (1.10mm) -
0ZTJ0016FF2E

0ZTJ0016FF2E

PTC RESET FUSE 30V 160MA 1206

Bel Fuse Inc.

1,821 -
RFQ
0ZTJ0016FF2E

Datasheet

1206 (3216 Metric), Concave 0ZTJ Tape & Reel (TR) Active Polymeric 30V 160 mA 800 mA 80 A 100 ms 700 mOhms 6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.043" (1.10mm) -
MF-RHT050-2

MF-RHT050-2

PTC RESET FUSE 30V 500MA RADIAL

Bourns Inc.

3,827 -
RFQ
MF-RHT050-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 30V 500 mA 920 mA 40 A 2.5 s 480 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-USML300/6-2

MF-USML300/6-2

PTC RESET FUSE 6V 3A 1210

Bourns Inc.

2,498 -
RFQ
MF-USML300/6-2

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USML/X Tape & Reel (TR) Active Polymeric 6V 3 A 6 A 50 A 5 s 3 mOhms 24 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
CMF-RL50A-10-0

CMF-RL50A-10-0

PTC RESET FUSE 220V 50MA RADIAL

Bourns Inc.

1,270 -
RFQ
CMF-RL50A-10-0

Datasheet

Radial, Disc CMF-RL Bulk Active Ceramic 220V (600V Int) 50 mA 100 mA 3 A 100 ms - - 50 Ohms -40°C ~ 125°C - - - Through Hole 0.295" L x 0.220" W (7.50mm x 5.60mm) 0.512" (13.00mm) - 0.197" (5.00mm)
30R160UPR

30R160UPR

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

3,980 -
RFQ
30R160UPR

Datasheet

Radial, Disc POLY-FUSE®, 30R Cut Tape (CT) Active Polymeric 30V 1.6 A 3.2 A 40 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.201" (5.10mm)
TRF250-180-2

TRF250-180-2

PTC RESET FUSE 100V 180MA RADIAL

Littelfuse Inc.

2,430 -
RFQ
TRF250-180-2

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 100V (250V Int) 180 mA 650 mA 10 A 2 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" Dia x 0.150" T (9.00mm x 3.80mm) 0.472" (12.00mm) - 0.200" (5.08mm)
RUEF500K-2

RUEF500K-2

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

2,064 -
RFQ
RUEF500K-2

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 5 A 10 A 100 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 1.008" (25.60mm) - 0.400" (10.15mm)
PTSLR12066V400

PTSLR12066V400

PTC RESET FUSE 6V 4A 1206

Eaton - Electronics Division

1,184 -
RFQ
PTSLR12066V400

Datasheet

1206 (3216 Metric), Concave PTSLR1206 Tape & Reel (TR) Active Polymeric 6V 4 A 8 A 50 A 2 s 1 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.047" (1.20mm) -
VLR175F

VLR175F

PTC RESET FUSE 12V 1.75A STRAP

Littelfuse Inc.

1,029 -
RFQ
VLR175F

Datasheet

Strap PolySwitch®, VLR Bulk Active Polymeric 12V 1.75 A 4.2 A 100 A 5 s 17 mOhms 62 mOhms - -40°C ~ 70°C - - - User Defined 0.935" L x 0.122" W (23.75mm x 3.10mm) - 0.032" (0.80mm) -
VTP210LF

VTP210LF

PTC RESET FUSE 16V 2.1A STRAP

Littelfuse Inc.

1,015 -
RFQ
VTP210LF

Datasheet

Strap PolySwitch®, VTP Bulk Active Polymeric 16V 2.1 A 4.7 A 100 A 5 s 18 mOhms 60 mOhms - -40°C ~ 85°C - - - User Defined 1.024" L x 0.209" W (26.00mm x 5.30mm) - 0.032" (0.80mm) -
MF-R700-2

MF-R700-2

PTC RESET FUSE 30V 7A RADIAL

Bourns Inc.

4,727 -
RFQ
MF-R700-2

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 - - - Through Hole 0.870" L x 0.118" W (22.10mm x 3.00mm) 1.173" (29.80mm) - 0.402" (10.20mm)
MF-RHT070-0

MF-RHT070-0

PTC RESET FUSE 16V 700MA RADIAL

Bourns Inc.

3,472 -
RFQ
MF-RHT070-0

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 700 mA 1.4 A 40 A 4 s 300 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.270" L x 0.118" W (6.86mm x 3.00mm) 0.425" (10.80mm) - 0.114" (2.90mm)
MF-RM025/240-0

MF-RM025/240-0

PTC RESET FUSE 240V 250MA RADIAL

Bourns Inc.

2,933 -
RFQ
MF-RM025/240-0

Datasheet

Radial, Disc Multifuse®, MF-RM Bulk Active Polymeric 240V (265V Int) 250 mA 560 mA 3.5 A 18.5 s 1.3 Ohms 3.8 Ohms - -20°C ~ 85°C - - - Through Hole 0.394" L x 0.150" W (10.00mm x 3.80mm) 0.787" (20.00mm) - 0.114" (2.90mm)
0ZRS0070FF1E

0ZRS0070FF1E

PTC RESET FUSE 32V 700MA RADIAL

Bel Fuse Inc.

2,264 -
RFQ
0ZRS0070FF1E

Datasheet

Radial, Disc 0ZRS Bulk Active Ceramic 32V 700 mA 1.4 A 100 A 3.2 s 230 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.272" L x 0.118" W (6.90mm x 3.00mm) 0.425" (10.80mm) - 0.201" (5.10mm)
600R150-RBZR

600R150-RBZR

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

4,999 -
RFQ
600R150-RBZR

Datasheet

Radial, Disc POLY-FUSE®, 600R Cut Tape (CT) Active Polymeric 60V (600V Int) 150 mA 300 mA 3 A 3 s 9 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" L x 0.181" W (9.00mm x 4.60mm) 0.492" (12.50mm) - 0.201" (5.10mm)
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