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
RF4525-000

RF4525-000

NANOASMDC025F-2

Littelfuse Inc.

7,222 -
RFQ
RF4525-000

Datasheet

1206 (3216 Metric), Concave PolySwitch® ASMD Tape & Reel (TR) Active Polymeric 16V 250 mA 580 mA 100 A 10 ms 400 mOhms 2.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.59mm) - 0.032" (0.82mm) -
0ZRA0500FF2D

0ZRA0500FF2D

PTC RESET FUSE 16V 5A RADIAL

Bel Fuse Inc.

7,257 -
RFQ
0ZRA0500FF2D

Datasheet

Radial, Disc 0ZRA Tape & Reel (TR) Active Polymeric 16V 5 A 8.5 A 100 A 3.6 s 14 mOhms 44 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
SMD1210P150TSA

SMD1210P150TSA

PTC RESET FUSE 6V 1.5A 1210

Littelfuse Inc.

4,622 -
RFQ
SMD1210P150TSA

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, SMD1210 Tape & Reel (TR) Obsolete Polymeric 6V 1.5 A 3 A 40 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.051" (1.30mm) -
SMD1812P010TSA

SMD1812P010TSA

PTC RESET FUSE 30V 100MA 1812

Littelfuse Inc.

7,337 -
RFQ
SMD1812P010TSA

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, SMD1812 Tape & Reel (TR) Obsolete Polymeric 30V 100 mA 300 mA 10 A 1.5 s 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.039" (1.00mm) -
SMD2920P260TSA

SMD2920P260TSA

PTC RESET FUSE 6V 2.6A 2920

Littelfuse Inc.

4,822 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 6V 2.6 A 5.2 A 40 A 10 s 25 mOhms 75 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.031" (0.78mm) -
0ZCA0035FF2G

0ZCA0035FF2G

PTC RESET FUSE 16V 350MA 1206

Bel Fuse Inc.

8,097 -
RFQ
0ZCA0035FF2G

Datasheet

1206 (3216 Metric) 0ZCA Tape & Reel (TR) Obsolete Polymeric 16V 350 mA 750 mA 40 A 100 ms 300 mOhms 1.2 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
0ZCB0010FF2E

0ZCB0010FF2E

PTC RESET FUSE 60V 100MA 1210

Bel Fuse Inc.

8,019 -
RFQ
0ZCB0010FF2E

Datasheet

1210 (3225 Metric) 0ZCB Tape & Reel (TR) Obsolete Polymeric 60V 100 mA 250 mA 10 A 1.5 s 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.045" (1.15mm) -
SMD1206P100TSA

SMD1206P100TSA

PTC RESET FUSE 6V 1A 1206

Littelfuse Inc.

5,804 -
RFQ
SMD1206P100TSA

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, SMD1206 Tape & Reel (TR) Obsolete Polymeric 6V 1 A 1.8 A 40 A 300 ms 55 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
PTGL6SAR0R8M1B51A0

PTGL6SAR0R8M1B51A0

PTC RESET FUSE 16V 505MA RADIAL

Murata Electronics

2,965 -
RFQ
PTGL6SAR0R8M1B51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 16V 505 mA 955 mA 3 A - - - 800 mOhms -30°C ~ 85°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
RXE040-2

RXE040-2

PTC RESET FUSE 72V 400MA RADIAL

Littelfuse Inc.

3,413 -
RFQ
RXE040-2

Datasheet

Radial, Disc PolySwitch®, RXE Tape & Reel (TR) Obsolete Polymeric 72V 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - - - - - Through Hole 0.299" Dia x 0.118" T (7.60mm x 3.00mm) 0.532" (13.50mm) - 0.199" (5.05mm)
RUEF090S

RUEF090S

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

6,170 -
RFQ
RUEF090S

Datasheet

Radial, Disc PolySwitch®, RUEF Bulk Obsolete Polymeric 30V 900 mA 1.8 A 100 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) - 0.199" (5.05mm)
BK250-250-SZ

BK250-250-SZ

PTC RESET FUSE 250V 250MA RAD

YAGEO

2,610 -
RFQ
BK250-250-SZ

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 250 mA 500 mA 10 A 7 s 1.6 Ohms 4.8 Ohms - -40°C ~ 85°C - - - Through Hole 0.366" L x 0.181" W (9.30mm x 4.60mm) 0.591" (15.00mm) - 0.201" (5.10mm)
SMD1206P150TSA

SMD1206P150TSA

PTC RESET FUSE 6V 1.5A 1206

Littelfuse Inc.

8,541 -
RFQ
SMD1206P150TSA

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, SMD1206 Tape & Reel (TR) Obsolete Polymeric 6V 1.5 A 3 A 40 A 1 s 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
RXE050-2

RXE050-2

PTC RESET FUSE 72V 500MA RADIAL

Littelfuse Inc.

8,877 -
RFQ
RXE050-2

Datasheet

Radial, Disc PolySwitch®, RXE Tape & Reel (TR) Obsolete Polymeric 72V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - - - - - Through Hole 0.311" Dia x 0.118" T (7.90mm x 3.00mm) 0.539" (13.70mm) - 0.199" (5.05mm)
0ZRM0017FF1E

0ZRM0017FF1E

PTC RESET FUSE 120V 170MA RADIAL

Bel Fuse Inc.

8,761 -
RFQ
0ZRM0017FF1E

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 170 mA 340 mA 2 A 10 s 2 Ohms 7 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.311" Dia x 0.150" T (7.90mm x 3.80mm) 0.512" (13.00mm) - 0.201" (5.10mm)
0ZRM0020FF1E

0ZRM0020FF1E

PTC RESET FUSE 120V 200MA RADIAL

Bel Fuse Inc.

7,177 -
RFQ
0ZRM0020FF1E

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 200 mA 400 mA 2 A 9 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.311" Dia x 0.150" T (7.90mm x 3.80mm) 0.512" (13.00mm) - 0.201" (5.10mm)
0ZRM0025FF1E

0ZRM0025FF1E

PTC RESET FUSE 120V 250MA RADIAL

Bel Fuse Inc.

7,601 -
RFQ
0ZRM0025FF1E

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 250 mA 500 mA 3 A 7.5 s 1.25 Ohms 3 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.311" Dia x 0.150" T (7.90mm x 3.80mm) 0.512" (13.00mm) - 0.201" (5.10mm)
SMD2920P250TSA

SMD2920P250TSA

PTC RESET FUSE 15V 2.5A 2920

Littelfuse Inc.

6,473 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 15V 2.5 A 5 A 40 A 10 s 35 mOhms 85 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
0ZRR0110FF2B

0ZRR0110FF2B

PTC RESET FUSE 60V 1.1A RADIAL

Bel Fuse Inc.

7,566 -
RFQ
0ZRR0110FF2B

Datasheet

Radial, Disc 0ZRR Tape & Reel (TR) Active Polymeric 60V 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" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
BK130-900-SZ

BK130-900-SZ

PTC RESET FUSE 130V 900MA RAD

YAGEO

8,408 -
RFQ
BK130-900-SZ

Datasheet

Radial, Disc BK130 Bulk Active Polymeric 130V 900 mA 1.8 A 10 A 8 s 300 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.150" W (14.00mm x 3.80mm) 0.854" (21.70mm) - 0.201" (5.10mm)
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