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PTC Resettable Fuses

Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
LVR075S-1 Littelfuse Inc.

LVR075S-1

PTC RESET FUSE 240V 750MA RADIAL

Littelfuse Inc.

9,034 -
Datasheet Radial, Disc PolySwitch®, LVR Bulk Obsolete Polymeric 240V (265V Int) 750 mA 1.5 A 7.5 A 18 s 316 mOhms 839 mOhms - -20°C ~ 85°C - - - Through Hole 0.450" L x 0.189" W (11.43mm x 4.80mm) 0.921" (23.40mm) - 0.200" (5.08mm)
TRF250-055T Littelfuse Inc.

TRF250-055T

PTC RESET FUSE 60V 55MA RADIAL

Littelfuse Inc.

9,520 -
Datasheet Radial, Disc PolySwitch®, TRF250 Bulk Active Polymeric 60V (250V Int) 55 mA 170 mA 3 A 3.5 s 15 Ohms 35 Ohms - -40°C ~ 85°C - - - Through Hole 0.228" Dia x 0.181" T (5.80mm x 4.60mm) 0.390" (9.90mm) - 0.197" (5.00mm)
MXP180 Littelfuse Inc.

MXP180

PTC RESET FUSE 6V 1.8A STRAP

Littelfuse Inc.

2,496 -
Datasheet Strap PolySwitch®, MXP Bulk Obsolete Polymeric 6V 1.8 A 5.2 A 50 A 5 s 7 mOhms 24 mOhms - - - - - User Defined - 0.043" (1.10mm) - -
MXP270 Littelfuse Inc.

MXP270

PTC RESET FUSE 6V 2.7A STRAP

Littelfuse Inc.

5,923 -
Datasheet Strap PolySwitch®, MXP Bulk Obsolete Polymeric 6V 2.7 A 6.2 A 50 A 2 s 6 mOhms 26 mOhms - - - - - User Defined - 0.043" (1.10mm) - -
MGP500 Littelfuse Inc.

MGP500

PTC RESET FUSE 6V 5A STRAP

Littelfuse Inc.

4,129 -
Datasheet Strap PolySwitch®, MGP Bulk Obsolete Polymeric 6V 5 A 9.2 A 50 A 5 s 2.5 mOhms 13 mOhms - - - - - User Defined 0.591" L x 0.122" W (15.00mm x 3.11mm) 0.037" (0.95mm) - -
FEMTOSMDC035F-2 Littelfuse Inc.

FEMTOSMDC035F-2

PTC RESET FUSE 6V 350MA 0603

Littelfuse Inc.

8,874 -
Datasheet 0603 (1608 Metric), Concave PolySwitch®, femtoSMDC Tape & Reel (TR) Discontinued at Digi-Key Polymeric 6V 350 mA 700 mA 40 A 100 ms 280 mOhms 1 Ohms - - - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.037" (0.95mm) -
MF-NSML380-2 Bourns Inc.

MF-NSML380-2

PTC RESET FUSE 6V 3.8A 1206

Bourns Inc.

5,983 -
Datasheet 1206 (3216 Metric), Concave Multifuse®, MF-NSML Tape & Reel (TR) Obsolete Polymeric 6V 3.8 A 8 A 50 A 5 s 1.5 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.024" (0.60mm) -
MF-USML450-2 Bourns Inc.

MF-USML450-2

PTC RESET FUSE 6V 4.5A 1210

Bourns Inc.

9,295 -
Datasheet 1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 4.5 A 9 A 50 A 2 s 1 mOhms 15 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-USML500-2 Bourns Inc.

MF-USML500-2

PTC RESET FUSE 6V 5A 1210

Bourns Inc.

2,528 -
Datasheet 1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 5 A 10 A 50 A 2 s 1 mOhms 14.5 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.047" (1.20mm) -
MF-USML200-2 Bourns Inc.

MF-USML200-2

PTC RESET FUSE 6V 2A 1210

Bourns Inc.

6,755 -
Datasheet 1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 2 A 4 A 50 A 3 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.60mm) -
MF-USML250-2 Bourns Inc.

MF-USML250-2

PTC RESET FUSE 6V 2.5A 1210

Bourns Inc.

8,190 -
Datasheet 1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 2.5 A 5 A 50 A 3.5 s 4.5 mOhms 22 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.60mm) -
MF-USML350-2 Bourns Inc.

MF-USML350-2

PTC RESET FUSE 6V 3.5A 1210

Bourns Inc.

2,685 -
Datasheet 1210 (3225 Metric), Concave Multifuse®, MF-USML Tape & Reel (TR) Obsolete Polymeric 6V 3.5 A 7 A 50 A 2 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.024" (0.60mm) -
B59673A0100B110 EPCOS - TDK Electronics

B59673A0100B110

PTC RESET FUSE

EPCOS - TDK Electronics

2,855 -
Datasheet - - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PTGL04BD102N9N54B0 Murata Electronics

PTGL04BD102N9N54B0

PTC RESET FUSE RADIAL DISC

Murata Electronics

4,224 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic - - - - - - - 1 kOhms -10°C ~ 60°C - - - Through Hole - - - -
MF-R010-0-A0 Bourns Inc.

MF-R010-0-A0

PTC RESET FUSE 60V 100MA RADIAL

Bourns Inc.

2,552 -
Datasheet Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-R400-0-15 Bourns Inc.

MF-R400-0-15

PTC RESET FUSE 30V 4A RADIAL

Bourns Inc.

6,088 -
Datasheet Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.567" L x 0.118" W (14.40mm x 3.00mm) 0.976" (24.80mm) - 0.201" (5.10mm)
MF-R075-2-14-99 Bourns Inc.

MF-R075-2-14-99

PTC RESET FUSE 60V 750MA RADIAL

Bourns Inc.

4,785 -
Datasheet Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete 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)
MF-R300-2-14-99 Bourns Inc.

MF-R300-2-14-99

PTC RESET FUSE 30V 3A RADIAL

Bourns Inc.

3,661 -
Datasheet Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
MF-R400-2-14-99 Bourns Inc.

MF-R400-2-14-99

PTC RESET FUSE 30V 4A RADIAL

Bourns Inc.

9,952 -
Datasheet Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Obsolete Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.567" L x 0.118" W (14.40mm x 3.00mm) 0.976" (24.80mm) - 0.201" (5.10mm)
MF-R010-0-A0-99 Bourns Inc.

MF-R010-0-A0-99

PTC RESET FUSE 60V 100MA RADIAL

Bourns Inc.

4,777 -
Datasheet Radial, Disc Multifuse®, MF-R Bulk Obsolete Polymeric 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
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PTC Resettable Fuses FAQ

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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