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
PRG21BC1R5MM1RK

PRG21BC1R5MM1RK

PTC RESET FUSE

Murata Electronics

3,926 -
RFQ

-

- * Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
PTR016V0090-TR

PTR016V0090-TR

PTC RESET FUSE 16V 900MA RADIAL

Eaton - Electronics Division

2,759 -
RFQ
PTR016V0090-TR

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 900 mA 1.8 A 40 A 1.2 s 70 mOhms 180 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.122" W (7.40mm x 3.10mm) 0.480" (12.20mm) - 0.197" (5.00mm)
0ZRP0160FF2B

0ZRP0160FF2B

PTC RESET FUSE 60V 1.6A RADIAL

Bel Fuse Inc.

8,017 -
RFQ
0ZRP0160FF2B

Datasheet

Radial, Disc 0ZRP Tape & Reel (TR) Active Polymeric 60V 1.6 A 3.2 A 40 A 9 s 100 mOhms 320 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.480" L x 0.150" W (12.20mm x 3.81mm) 0.720" (18.30mm) - 0.201" (5.10mm)
0ZRP0185FF2B

0ZRP0185FF2B

PTC RESET FUSE 60V 1.85A RADIAL

Bel Fuse Inc.

5,808 -
RFQ
0ZRP0185FF2B

Datasheet

Radial, Disc 0ZRP Tape & Reel (TR) Active Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 60 mOhms 250 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.512" L x 0.150" W (13.00mm x 3.81mm) 0.740" (18.80mm) - 0.201" (5.10mm)
MF-R040-AP

MF-R040-AP

PTC RESET FUSE 60V 400MA RADIAL

Bourns Inc.

2,992 -
RFQ
MF-R040-AP

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 60V 400 mA 800 mA 40 A 3.8 s 520 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
MF-R090-AP-9

MF-R090-AP-9

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

3,533 -
RFQ
MF-R090-AP-9

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" L x 0.122" W (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
MF-R135-AP

MF-R135-AP

PTC RESET FUSE 30V 1.35A RADIAL

Bourns Inc.

6,693 -
RFQ
MF-R135-AP

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 65 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-RX020/72-AP

MF-RX020/72-AP

PTC RESET FUSE 72V 200MA RADIAL

Bourns Inc.

4,864 -
RFQ
MF-RX020/72-AP

Datasheet

Radial, Disc MF-RX/72 Tape & Box (TB) Active - 72V 200 mA 400 mA 40 A 2.2 s - - - - - - - Through Hole 0.291" Dia x 0.122" W (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX025/72-AP

MF-RX025/72-AP

PTC RESET FUSE 72V 250MA RADIAL

Bourns Inc.

2,241 -
RFQ
MF-RX025/72-AP

Datasheet

Radial, Disc MF-RX/72 Tape & Box (TB) Active - 72V 250 mA 500 mA 40 A 2.5 s - - - - - - - Through Hole 0.291" Dia x 0.122" W (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX030/72-AP

MF-RX030/72-AP

PTC RESET FUSE 72V 300MA RADIAL

Bourns Inc.

2,616 -
RFQ
MF-RX030/72-AP

Datasheet

Radial, Disc MF-RX/72 Tape & Box (TB) Active - 72V 300 mA 600 mA 40 A 3 s - - - - - - - Through Hole 0.291" Dia x 0.122" W (7.40mm x 3.10mm) 0.528" (13.40mm) - 0.201" (5.10mm)
MF-USMF175-2

MF-USMF175-2

PTC RESET FUSE 6V 1.75A 1210

Bourns Inc.

4,358 -
RFQ
MF-USMF175-2

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USMF Tape & Reel (TR) Active Polymeric 6V 1.75 A 3.5 A 40 A 1 s 20 mOhms 90 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
MF-RX030/72-0-17

MF-RX030/72-0-17

PTC RESETTABLE 0.3A 72V RADIAL L

Bourns Inc.

3,941 -
RFQ
MF-RX030/72-0-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 300 mA 600 mA 40 A 3 s 760 mOhms 2.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.528" (13.40mm) - 0.201" (5.10mm)
MF-R075-0-17

MF-R075-0-17

PTC RESETTABLE 0.75A 60V RADIAL

Bourns Inc.

4,634 -
RFQ
MF-R075-0-17

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
MF-R065-0-17

MF-R065-0-17

PTC RESETTABLE 0.6A 60V RADIAL L

Bourns Inc.

9,345 -
RFQ
MF-R065-0-17

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 270 mOhms 720 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.382" Dia x 0.122" T (9.70mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
MF-RX025/72-0-17

MF-RX025/72-0-17

PTC RESETTABLE 0.25A 72V RADIAL

Bourns Inc.

6,825 -
RFQ
MF-RX025/72-0-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 250 mA 500 mA 40 A 2.5 s 1 Ohms 3 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-R040-0-17

MF-R040-0-17

PTC RESETTABLE 0.4A 60V RADIAL L

Bourns Inc.

4,091 -
RFQ
MF-R040-0-17

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 60V 400 mA 800 mA 40 A 3.8 s 520 mOhms 1.29 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
MF-R135-0-17

MF-R135-0-17

PTC RESETTABLE 1.35A 30V RADIAL

Bourns Inc.

5,978 -
RFQ
MF-R135-0-17

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 65 mOhms 170 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
MF-R030-AP-17

MF-R030-AP-17

PTC RESETTABLE 0.3A 60V RADIAL L

Bourns Inc.

7,618 -
RFQ
MF-R030-AP-17

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 60V 300 mA 600 mA 40 A 3 s 760 mOhms 2.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.528" (13.40mm) - 0.201" (5.10mm)
MF-R020-AP-17

MF-R020-AP-17

PTC RESETTABLE 0.2A 60V RADIAL L

Bourns Inc.

2,159 -
RFQ
MF-R020-AP-17

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 60V 200 mA 400 mA 40 A 2.2 s 1.5 Ohms 4.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX020/72-0-17

MF-RX020/72-0-17

PTC RESETTABLE 0.2A 72V RADIAL L

Bourns Inc.

9,938 -
RFQ
MF-RX020/72-0-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.5 Ohms 4.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - 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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