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
BK250-120-SZ

BK250-120-SZ

PTC RESET FUSE 250V 120MA RAD

YAGEO

7 -
RFQ
BK250-120-SZ

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 120 mA 240 mA 3 A 5 s 6 Ohms 10.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.276" L x 0.181" W (7.00mm x 4.60mm) 0.571" (14.50mm) - 0.201" (5.10mm)
BK250-120-SY

BK250-120-SY

PTC RESET FUSE 250V 120MA RAD

YAGEO

9,553 -
RFQ
BK250-120-SY

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 120 mA 240 mA 3 A 5 s 6 Ohms 10.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.276" L x 0.181" W (7.00mm x 4.60mm) 0.571" (14.50mm) - 0.201" (5.10mm)
BK250-200-SZ

BK250-200-SZ

PTC RESET FUSE 250V 200MA RAD

YAGEO

4,221 -
RFQ
BK250-200-SZ

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 200 mA 400 mA 10 A 9 s 3 Ohms 6 Ohms - -40°C ~ 85°C - - - Through Hole 0.413" L x 0.181" W (10.50mm x 4.60mm) 0.728" (18.50mm) - 0.201" (5.10mm)
PTR030V0500-BK1

PTR030V0500-BK1

PTC RESET FUSE 30V 5A RADIAL

Eaton - Electronics Division

6,445 -
RFQ
PTR030V0500-BK1

Datasheet

Radial, Disc PTR030V Bulk Active Polymeric 30V 5 A 10 A 40 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) 1.047" (26.60mm) - 0.394" (10.00mm)
PTR060V0160-BK

PTR060V0160-BK

PTC RESET FUSE 60V 1.6A RADIAL

Eaton - Electronics Division

9,561 -
RFQ
PTR060V0160-BK

Datasheet

Radial, Disc PTR060V 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 0.642" Dia x 0.118" T (16.30mm x 3.00mm) 0.839" (21.30mm) - 0.197" (5.00mm)
PTR060V0160-BK1

PTR060V0160-BK1

PTC RESET FUSE 60V 1.6A RADIAL

Eaton - Electronics Division

2,473 -
RFQ
PTR060V0160-BK1

Datasheet

Radial, Disc PTR060V 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 0.642" Dia x 0.118" T (16.30mm x 3.00mm) 0.839" (21.30mm) - 0.197" (5.00mm)
PTR060V0185-BK1

PTR060V0185-BK1

PTC RESET FUSE 60V 1.85A RADIAL

Eaton - Electronics Division

5,682 -
RFQ
PTR060V0185-BK1

Datasheet

Radial, Disc PTR060V Bulk Active Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.118" T (17.80mm x 3.00mm) 0.902" (22.90mm) - 0.197" (5.00mm)
PTR016V1000-BK1

PTR016V1000-BK1

PTC RESET FUSE 16V 10A RADIAL

Eaton - Electronics Division

2,990 -
RFQ
PTR016V1000-BK1

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.122" W (16.50mm x 3.10mm) 1.102" (28.00mm) - 0.197" (5.00mm)
PTR016V1100-BK

PTR016V1100-BK

PTC RESET FUSE 16V 11A RADIAL

Eaton - Electronics Division

3,903 -
RFQ
PTR016V1100-BK

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 11 A 18.7 A 100 A 7 s 3 mOhms 9 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.122" W (17.50mm x 3.10mm) 1.024" (26.00mm) - 0.197" (5.00mm)
PTR016V1100-BK1

PTR016V1100-BK1

PTC RESET FUSE 16V 11A RADIAL

Eaton - Electronics Division

8,548 -
RFQ
PTR016V1100-BK1

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 11 A 18.7 A 100 A 7 s 3 mOhms 9 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.122" W (17.50mm x 3.10mm) 1.142" (29.00mm) - 0.197" (5.00mm)
RXEF020-AP

RXEF020-AP

PTC RESET FUSE 72V 200MA RADIAL

Littelfuse Inc.

78 -
RFQ
RXEF020-AP

Datasheet

Radial, Disc PolySwitch®, RXEF Cut Tape (CT) Active Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.461" (11.70mm) - 0.199" (5.05mm)
BK250-200-DZ

BK250-200-DZ

PTC RESET FUSE 250V 200MA RAD

YAGEO

5,032 -
RFQ
BK250-200-DZ

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 200 mA 400 mA 10 A 9 s 3 Ohms 6 Ohms - -40°C ~ 85°C - - - Through Hole 0.413" Dia x 0.181" T (10.50mm x 4.60mm) 0.728" (18.50mm) - 0.201" (5.10mm)
SMD2920B260TF/24

SMD2920B260TF/24

PTC RESET FUSE 24V 2.6A 2920

YAGEO

52 -
RFQ
SMD2920B260TF/24

Datasheet

2920 (7351 Metric), Concave SMD2920 Tape & Reel (TR) Active Polymeric 24V 2.6 A 5 A 40 A 8 s 14 mOhms 75 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.047" (1.20mm) -
PFRA.075

PFRA.075

PTC RESET FUSE 60V 750MA RADIAL

SCHURTER Inc.

17 -
RFQ
PFRA.075

Datasheet

Radial, Disc PFRA Bulk Active Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
PTR016V1200-BK1

PTR016V1200-BK1

PTC RESET FUSE 16V 12A RADIAL

Eaton - Electronics Division

5,516 -
RFQ
PTR016V1200-BK1

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 12 A 20.4 A 100 A 7.5 s 3 mOhms 9 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.122" W (17.50mm x 3.10mm) 1.220" (31.00mm) - 0.394" (10.00mm)
BK60-160-DZ

BK60-160-DZ

PTC RESET FUSE 60V 1.6A RAD

YAGEO

2,483 -
RFQ
BK60-160-DZ

Datasheet

Radial, Disc BK60 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 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
PTR016V1500-BK1

PTR016V1500-BK1

PTC RESET FUSE 16V 15A RADIAL

Eaton - Electronics Division

9,868 -
RFQ
PTR016V1500-BK1

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 15 A 25.5 A 100 A 10 s 2 mOhms 7 mOhms - -40°C ~ 85°C - - - Through Hole 0.989" L x 0.122" W (25.10mm x 3.10mm) 1.260" (32.00mm) - 0.394" (10.00mm)
PTR016V1300-BK1

PTR016V1300-BK1

PTC RESET FUSE 16V 13A RADIAL

Eaton - Electronics Division

7,892 -
RFQ
PTR016V1300-BK1

Datasheet

Radial, Disc PTR016V Bulk Active Polymeric 16V 13 A 22.1 A 100 A 8.5 s 2 mOhms 8 mOhms - -40°C ~ 85°C - - - Through Hole 0.850" L x 0.122" W (21.60mm x 3.10mm) 1.260" (32.00mm) - 0.394" (10.00mm)
PTR030V0700-BK1

PTR030V0700-BK1

PTC RESET FUSE 30V 7A RADIAL

Eaton - Electronics Division

7,855 -
RFQ
PTR030V0700-BK1

Datasheet

Radial, Disc PTR030V Bulk Active Polymeric 30V 7 A 14 A 100 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.752" L x 0.118" W (19.10mm x 3.00mm) 1.228" (31.20mm) - 0.394" (10.00mm)
PTR030V0800-BK1

PTR030V0800-BK1

PTC RESET FUSE 30V 8A RADIAL

Eaton - Electronics Division

5,600 -
RFQ
PTR030V0800-BK1

Datasheet

Radial, Disc PTR030V Bulk Active Polymeric 30V 8 A 16 A 100 A 18.8 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.850" L x 0.118" W (21.60mm x 3.00mm) 1.327" (33.70mm) - 0.394" (10.00mm)
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