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
VLP220F

VLP220F

PTC RESET FUSE 16V 2.2A STRAP

Littelfuse Inc.

1,000 -
RFQ
VLP220F

Datasheet

Strap PolySwitch®, VLP Bulk Active Polymeric 16V 2.2 A 5.3 A 60 A 5 s 17 mOhms 58 mOhms - -40°C ~ 85°C - - - User Defined 0.874" L x 0.146" W (22.20mm x 3.70mm) - 0.032" (0.80mm) -
MF-R110-2

MF-R110-2

PTC RESET FUSE 30V 1.1A RADIAL

Bourns Inc.

989 -
RFQ
MF-R110-2

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 100 mOhms 270 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
250R120U

250R120U

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

78 -
RFQ
250R120U

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 2.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.201" (5.10mm)
0ZTH0010FF2E

0ZTH0010FF2E

PTC RESET FUSE 30V 100MA 1210

Bel Fuse Inc.

990 -
RFQ
0ZTH0010FF2E

Datasheet

1210 (3225 Metric), Concave 0ZTH Tape & Reel (TR) Active Polymeric 30V 100 mA 350 mA 10 A 500 ms 1.2 Ohms 11 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
30R250UU

30R250UU

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

954 -
RFQ
30R250UU

Datasheet

Radial, Disc POLY-FUSE®, 30R Bulk Active Polymeric 30V 2.5 A 5 A 40 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.118" (3.00mm)
RXEF185K-2

RXEF185K-2

PTC RESET FUSE 72V 1.85A RADIAL

Littelfuse Inc.

685 -
RFQ
RXEF185K-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.660" Dia x 0.118" T (16.76mm x 3.00mm) 0.906" (23.00mm) - 0.199" (5.05mm)
AHEF050

AHEF050

PTC RESET FUSE 32V 500MA RADIAL

Littelfuse Inc.

265 -
RFQ
AHEF050

Datasheet

Radial, Disc PolySwitch®, AHEF Bag Active Polymeric 32V 500 mA 1 A 100 A 3 s 350 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.130" T (7.40mm x 3.30mm) 0.500" (12.70mm) - 0.199" (5.05mm)
RHEF600

RHEF600

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

620 -
RFQ
RHEF600

Datasheet

Radial, Disc PolySwitch®, RHEF Bag Active Polymeric 16V 6 A 10.8 A 100 A 5 s 13 mOhms 32 mOhms - -40°C ~ 125°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.827" (21.00mm) - 0.199" (5.05mm)
LVR008NS-2

LVR008NS-2

PTC RESET FUSE 240V 80MA RADIAL

Littelfuse Inc.

561 -
RFQ
LVR008NS-2

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) Active Polymeric 240V (265V Int) 80 mA 190 mA 1.2 A 10 s 7.4 Ohms 26 Ohms - -20°C ~ 85°C - - - Through Hole 0.283" Dia x 0.181" T (7.20mm x 4.60mm) 0.402" (10.20mm) - 0.200" (5.08mm)
MINIASMDC150F/24-2

MINIASMDC150F/24-2

PTC RESET FUSE 24V 1.5A 1812

Littelfuse Inc.

551 -
RFQ
MINIASMDC150F/24-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 24V 1.5 A 3 A 20 A 1.5 s 40 mOhms 120 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.076" (1.94mm) -
LVR033S

LVR033S

PTC RESET FUSE 240V 330MA RADIAL

Littelfuse Inc.

396 -
RFQ
LVR033S

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 330 mA 740 mA 4.5 A 21 s 770 mOhms 2.6 Ohms - -20°C ~ 85°C - - - Through Hole 0.449" L x 0.150" W (11.40mm x 3.80mm) 0.650" (16.50mm) - 0.200" (5.08mm)
TRF250-055UT

TRF250-055UT

PTC RESET FUSE 60V 55MA RADIAL

Littelfuse Inc.

383 -
RFQ
TRF250-055UT

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 55 mA 170 mA 3 A 5 s 15 Ohms 35 Ohms - -40°C ~ 85°C - - - Through Hole 0.189" Dia x 0.150" T (4.80mm x 3.80mm) 0.366" (9.30mm) - 0.200" (5.08mm)
60R160XF

60R160XF

PTC RESET FUSE 60V 1.6A RADIAL

Littelfuse Inc.

343 -
RFQ
60R160XF

Datasheet

Radial, Disc POLY-FUSE®, 60R Bulk Active Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.600" Dia x 0.122" T (15.24mm x 3.10mm) 0.850" (21.60mm) - 0.201" (5.10mm)
RUEF500-1

RUEF500-1

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

75 -
RFQ
RUEF500-1

Datasheet

Radial, Disc PolySwitch®, RUEF Bag 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) 0.949" (24.10mm) - 0.400" (10.15mm)
0ZRP0375FF1A

0ZRP0375FF1A

PTC RESET FUSE 60V 3.75A RADIAL

Bel Fuse Inc.

855 -
RFQ
0ZRP0375FF1A

Datasheet

Radial, Disc 0ZRP Bulk Active Polymeric 60V 3.75 A 7.5 A 40 A 22 s 17 mOhms 60 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.142" W (16.50mm x 3.60mm) 0.992" (25.20mm) - 0.402" (10.20mm)
0ZRB0800FF1A

0ZRB0800FF1A

PTC RESET FUSE 30V 8A RADIAL

Bel Fuse Inc.

786 -
RFQ
0ZRB0800FF1A

Datasheet

Radial, Disc 0ZRB Box Active Polymeric 30V 8 A 16 A 40 A 18.8 s 5 mOhms 20 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.850" L x 0.118" W (21.60mm x 3.00mm) 1.150" (29.20mm) - 0.402" (10.20mm)
RGEF600-1

RGEF600-1

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

500 -
RFQ
RGEF600-1

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.098" W (10.20mm x 2.50mm) 0.673" (17.10mm) - 0.199" (5.05mm)
LVR012S-1

LVR012S-1

PTC RESET FUSE 240V 120MA RADIAL

Littelfuse Inc.

490 -
RFQ
LVR012S-1

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 120 mA 300 mA 1.2 A 15 s 3 Ohms 12 Ohms - -20°C ~ 85°C - - - Through Hole 0.327" Dia x 0.150" T (8.30mm x 3.80mm) 0.430" (10.70mm) - 0.200" (5.08mm)
250R180F

250R180F

PTC RESET FUSE 60V 180MA RADIAL

Littelfuse Inc.

434 -
RFQ
250R180F

Datasheet

Radial, Disc POLY-FUSE®, 250R Bulk Active Polymeric 60V (250V Int) 180 mA 650 mA 10 A 20 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.374" Dia x 0.181" T (9.50mm x 4.60mm) 0.472" (12.00mm) - 0.201" (5.10mm)
72R075XPR

72R075XPR

PTC RESET FUSE 72V 750MA RADIAL

Littelfuse Inc.

341 -
RFQ
72R075XPR

Datasheet

Radial, Disc POLY-FUSE®, 72R Cut Tape (CT) Active Polymeric 72V 750 mA 1.5 A 40 A 6.3 s 250 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.122" T (10.20mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
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