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
HVR250P120CF

HVR250P120CF

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

8,074 -
RFQ
HVR250P120CF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.268" Dia x 0.201" T (6.80mm x 5.10mm) 0.492" (12.50mm) - 0.217" (5.50mm)
HVR250P120CRAF

HVR250P120CRAF

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

8,038 -
RFQ
HVR250P120CRAF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 900 ms 7 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.268" Dia x 0.201" T (6.80mm x 5.10mm) 0.492" (12.50mm) - 0.217" (5.50mm)
HVR600P150CF

HVR600P150CF

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

5,968 -
RFQ
HVR600P150CF

Datasheet

Radial, Disc POLY-FUSE®, HVR600 Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 150 mA 300 mA 3 A 5 s 6 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
HVR600P150CFF

HVR600P150CFF

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

3,728 -
RFQ
HVR600P150CFF

Datasheet

Radial, Disc POLY-FUSE®, HVR600 Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 150 mA 300 mA 3 A 5 s 6 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
HVR600P150CRBF

HVR600P150CRBF

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

6,736 -
RFQ
HVR600P150CRBF

Datasheet

Radial, Disc POLY-FUSE®, HVR600 Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 150 mA 300 mA 3 A 4.5 s 9 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
HVR600P160CFF

HVR600P160CFF

PTC RESET FUSE 60V 160MA RADIAL

Littelfuse Inc.

4,496 -
RFQ
HVR600P160CFF

Datasheet

Radial, Disc POLY-FUSE®, HVR600 Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 160 mA 320 mA 3 A 7 s 4 Ohms 18 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.201" (5.10mm)
HVR250P080CFF

HVR250P080CFF

PTC RESET FUSE 60V 80MA RADIAL

Littelfuse Inc.

8,271 -
RFQ
HVR250P080CFF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 80 mA 160 mA 3 A 3 s 14 Ohms 33 Ohms - -40°C ~ 85°C - - - Through Hole 0.228" L x 0.201" W (5.80mm x 5.10mm) 0.429" (10.90mm) - 0.217" (5.50mm)
LTP100F

LTP100F

PTC RESET FUSE 24V 1A STRAP

Littelfuse Inc.

9,870 -
RFQ

-

Strap PolySwitch®, LTP Bulk Obsolete Polymeric 24V 1 A 2.5 A 100 A 7 s 70 mOhms 260 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.199" W (22.00mm x 5.05mm) - 0.039" (1.00mm) -
PTCTZ3NR949ETE

PTCTZ3NR949ETE

PTC RESET FUSE 60V 2SMD

Vishay Beyschlag/Draloric/BC Components

6,539 -
RFQ
PTCTZ3NR949ETE

Datasheet

2-SMD PTCTZ Tape & Reel (TR) Active Ceramic 60V - 300 mA 150 mA 1.8 s - - 9.4 Ohms - - - - Surface Mount 0.394" L x 0.283" W (10.00mm x 7.20mm) - 0.142" (3.60mm) -
PTCTZ3MR100KTE

PTCTZ3MR100KTE

PTC RESET FUSE 245V 2SMD

Vishay Beyschlag/Draloric/BC Components

9,083 -
RFQ
PTCTZ3MR100KTE

Datasheet

2-SMD PTCTZ Tape & Reel (TR) Active Ceramic 245V - 270 mA 165 mA 3 s - - 10 Ohms - - - - Surface Mount 0.394" L x 0.283" W (10.00mm x 7.20mm) - 0.142" (3.60mm) -
PTCTZ3MR250MTE

PTCTZ3MR250MTE

PTC RESET FUSE 265V 2SMD

Vishay Beyschlag/Draloric/BC Components

7,799 -
RFQ
PTCTZ3MR250MTE

Datasheet

2-SMD PTCTZ Tape & Reel (TR) Active Ceramic 265V - 220 mA 120 mA 1.3 s - - 25 Ohms - - - - Surface Mount 0.394" L x 0.283" W (10.00mm x 7.20mm) - 0.142" (3.60mm) -
PTCTZ3MR500STE

PTCTZ3MR500STE

PTC RESET FUSE 425V 2SMD

Vishay Beyschlag/Draloric/BC Components

9,745 -
RFQ
PTCTZ3MR500STE

Datasheet

2-SMD PTCTZ Tape & Reel (TR) Active Ceramic 425V - 150 mA 90 mA 800 ms - - 50 Ohms - - - - Surface Mount 0.394" L x 0.283" W (10.00mm x 7.20mm) - 0.142" (3.60mm) -
RLD30P090UFF

RLD30P090UFF

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

7,329 -
RFQ
RLD30P090UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 900 mA 1.8 A 40 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
RLD30P110UFF

RLD30P110UFF

PTC RESET FUSE 30V 1.1A RADIAL

Littelfuse Inc.

5,413 -
RFQ
RLD30P110UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 50 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.201" (5.10mm)
RLD30P135UFF

RLD30P135UFF

PTC RESET FUSE 30V 1.35A RADIAL

Littelfuse Inc.

3,077 -
RFQ
RLD30P135UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 40 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) - 0.201" (5.10mm)
RLD30P160UFF

RLD30P160UFF

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

5,148 -
RFQ
RLD30P160UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete 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)
RLD30P185UFF

RLD30P185UFF

PTC RESET FUSE 30V 1.85A RADIAL

Littelfuse Inc.

6,508 -
RFQ
RLD30P185UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.201" (5.10mm)
RLD30P250UFF

RLD30P250UFF

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

7,098 -
RFQ
RLD30P250UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete 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) - 0.201" (5.10mm)
RLD30P300UFF

RLD30P300UFF

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

5,968 -
RFQ
RLD30P300UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 3 A 6 A 40 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) 0.681" (17.30mm) - 0.201" (5.10mm)
RLD30P400UFF

RLD30P400UFF

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

6,544 -
RFQ
RLD30P400UFF

Datasheet

Radial, Disc POLY-FUSE®, RLD30 Tape & Box (TB) Obsolete Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.791" (20.10mm) - 0.201" (5.10mm)
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