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
PTGL12AS1R2K3B51A0

PTGL12AS1R2K3B51A0

PTC RESET FUSE 51V 749MA RADIAL

Murata Electronics

3,802 -
RFQ
PTGL12AS1R2K3B51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Tape & Box (TB) Obsolete Ceramic 51V 749 mA 996 mA 5 A - - - 1.2 Ohms -30°C ~ 85°C - - - Through Hole 0.453" Dia x 0.138" T (11.50mm x 3.50mm) 0.650" (16.50mm) - 0.197" (5.00mm)
YPAL0013N

YPAL0013N

PTC RESET FUSE 30V 120MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

4,609 -
RFQ
YPAL0013N

Datasheet

Radial, Disc YP Bulk Obsolete Ceramic 30V 120 mA 240 mA 700 mA - - - 13 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) 0.217" (5.50mm) - 0.200" (5.08mm)
YPBL0055N

YPBL0055N

PTC RESET FUSE 80V 50MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

9,637 -
RFQ
YPBL0055N

Datasheet

Radial, Disc YP Bulk Obsolete Ceramic 80V 50 mA 100 mA 700 mA - - - 55 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) 0.217" (5.50mm) - 0.200" (5.08mm)
YPBJ0025T

YPBJ0025T

PTC RESET FUSE 80V 50MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

8,360 -
RFQ
YPBJ0025T

Datasheet

Radial, Disc YP Tape & Reel (TR) Obsolete Ceramic 80V 50 mA 110 mA 1 A - - - 25 Ohms 0°C ~ 60°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.315" (8.00mm) - 0.200" (5.08mm)
YPBJ0055T

YPBJ0055T

PTC RESET FUSE 80V 30MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

2,888 -
RFQ
YPBJ0055T

Datasheet

Radial, Disc YP Tape & Reel (TR) Obsolete Ceramic 80V 30 mA 60 mA 700 mA - - - 55 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) 0.217" (5.50mm) - 0.200" (5.08mm)
MINISMDC200-2

MINISMDC200-2

PTC RESET FUSE 8V 2A 1812

Littelfuse Inc.

3,361 -
RFQ
MINISMDC200-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Obsolete Polymeric 8V 2 A 4 A 100 A 5 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.048" (1.22mm) -
AGRF1400-2

AGRF1400-2

PTC RESET FUSE 16V 14A RADIAL

Littelfuse Inc.

6,141 -
RFQ
AGRF1400-2

Datasheet

Radial, Disc PolySwitch®, AGRF Tape & Reel (TR) Active Polymeric 16V 14 A 27.3 A 100 A 9 s 2.2 mOhms 6.4 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.138" W (23.50mm x 3.50mm) 1.130" (28.70mm) - 0.400" (10.15mm)
PTCTZ3MR500MTE

PTCTZ3MR500MTE

PTC RESET FUSE 425V 90MA 2SMD

Vishay Beyschlag/Draloric/BC Components

2,621 -
RFQ
PTCTZ3MR500MTE

Datasheet

2-SMD PTCTZ Tape & Reel (TR) Obsolete Ceramic 425V 90 mA 150 mA 700 mA 800 ms - - 50 Ohms - - - - Surface Mount 0.283" L x 0.394" W (7.20mm x 10.00mm) - 0.142" (3.60mm) -
PTR030V0700-TR1

PTR030V0700-TR1

PTC RESET FUSE 30V 7A RADIAL

Eaton - Electronics Division

8,685 -
RFQ
PTR030V0700-TR1

Datasheet

Radial, Disc PTR030V Tape & Reel (TR) 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)
MF-LR550/20-0

MF-LR550/20-0

PTC RESETTABLE 5.5A 20V AXIAL ST

Bourns Inc.

9,560 -
RFQ
MF-LR550/20-0

Datasheet

Strap Multifuse®, MF-LR Bulk Active Polymeric 20V 5.5 A 10.5 A 100 A 5 s 9 mOhms 22 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - User Defined 1.417" L x 0.283" W (36.00mm x 7.20mm) - 0.039" (1.00mm) -
0ZRM0250FF1A

0ZRM0250FF1A

PTC RESET FUSE 120V 2.5A RADIAL

Bel Fuse Inc.

3,746 -
RFQ
0ZRM0250FF1A

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 2.5 A 5 A 15 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.886" Dia x 0.161" T (22.50mm x 4.10mm) 1.083" (27.50mm) - 0.402" (10.20mm)
MINISMD050-2

MINISMD050-2

PTC RESET FUSE 500MA 1812

Littelfuse Inc.

4,051 -
RFQ

-

1812 (4532 Metric), Concave PolySwitch® Tape & Reel (TR) Obsolete - - 500 mA - - - - - - - - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.024" (0.62mm) -
MINISMD075-2

MINISMD075-2

PTC RESET FUSE 750MA 1812

Littelfuse Inc.

7,018 -
RFQ

-

1812 (4532 Metric), Concave PolySwitch® Tape & Reel (TR) Obsolete - - 750 mA - - - - - - - - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.024" (0.62mm) -
MF-USMD035-2

MF-USMD035-2

PTC RESET FUSE 6V 350MA 1210

Bourns Inc.

4,938 -
RFQ
MF-USMD035-2

Datasheet

1210 (3225 Metric) Multifuse®, MF-USMD Tape & Reel (TR) Obsolete Polymeric 6V 350 mA 750 mA 40 A 200 ms 200 mOhms 1.3 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.62mm) -
MICROSMD110-2

MICROSMD110-2

PTC RESET FUSE 6V 1.1A 1210

Littelfuse Inc.

9,635 -
RFQ
MICROSMD110-2

Datasheet

1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 1.1 A 2.2 A 40 A 200 ms 70 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.019" (0.48mm) -
NANOSMDM050-2

NANOSMDM050-2

POLYSWITCH 0.50A RESET FUSE SMD

Littelfuse Inc.

7,360 -
RFQ
NANOSMDM050-2

Datasheet

1206 (3216 Metric), Concave PolySwitch®, nanoSMD Cut Tape (CT) Obsolete Polymeric 6V 500 mA 1 A 40 A 100 ms 150 mOhms 700 mOhms - - - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.59mm) - 0.047" (1.20mm) -
NANOSMDM075-2

NANOSMDM075-2

POLYSWITCH 0.75A RESET FUSE SMD

Littelfuse Inc.

5,899 -
RFQ
NANOSMDM075-2

Datasheet

1206 (3216 Metric), Concave PolySwitch®, nanoSMD Cut Tape (CT) Obsolete Polymeric 6V 750 mA 1.5 A 40 A 200 ms 100 mOhms 290 mOhms - - - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.59mm) - 0.047" (1.20mm) -
MF-MSMD110/16-2

MF-MSMD110/16-2

FUSE RESETTABLE 1.1A 16V SMD

Bourns Inc.

5,414 -
RFQ
MF-MSMD110/16-2

Datasheet

1812 (4532 Metric) MF-MSMD Cut Tape (CT) Obsolete Polymeric 16V 1.1 A 2.2 A 100 A 0.3 s 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.020" W (4.55mm x 0.50mm) - 0.134" (3.41mm) -
MF-USMD005-2

MF-USMD005-2

PTC RESET FUSE 30V 50MA 1210

Bourns Inc.

7,374 -
RFQ
MF-USMD005-2

Datasheet

1210 (3225 Metric) Multifuse®, MF-USMD Tape & Reel (TR) Obsolete Polymeric 30V 50 mA 150 mA 10 A 1.5 s 2.8 Ohms 50 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
MF-USMD010-2

MF-USMD010-2

PTC RESET FUSE 30V 100MA 1210

Bourns Inc.

2,627 -
RFQ
MF-USMD010-2

Datasheet

1210 (3225 Metric) Multifuse®, MF-USMD Tape & Reel (TR) Obsolete Polymeric 30V 100 mA 300 mA 10 A 600 ms 800 mOhms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
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