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0755-82798135PTC Resettable Fuses
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PRG21BC1R5MM1RKPTC RESET FUSE |
3,926 | - |
|
- |
- | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PTR016V0090-TRPTC RESET FUSE 16V 900MA RADIAL |
2,759 | - |
|
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) |
|
|
0ZRP0160FF2BPTC RESET FUSE 60V 1.6A RADIAL |
8,017 | - |
|
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) |
|
|
0ZRP0185FF2BPTC RESET FUSE 60V 1.85A RADIAL |
5,808 | - |
|
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-APPTC RESET FUSE 60V 400MA RADIAL |
2,992 | - |
|
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-9PTC RESET FUSE 60V 900MA RADIAL |
3,533 | - |
|
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-APPTC RESET FUSE 30V 1.35A RADIAL |
6,693 | - |
|
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-APPTC RESET FUSE 72V 200MA RADIAL |
4,864 | - |
|
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-APPTC RESET FUSE 72V 250MA RADIAL |
2,241 | - |
|
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-APPTC RESET FUSE 72V 300MA RADIAL |
2,616 | - |
|
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-USMF175-2PTC RESET FUSE 6V 1.75A 1210 |
4,358 | - |
|
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-RX030/72-0-17PTC RESETTABLE 0.3A 72V RADIAL L |
3,941 | - |
|
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-R075-0-17PTC RESETTABLE 0.75A 60V RADIAL |
4,634 | - |
|
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-R065-0-17PTC RESETTABLE 0.6A 60V RADIAL L |
9,345 | - |
|
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-RX025/72-0-17PTC RESETTABLE 0.25A 72V RADIAL |
6,825 | - |
|
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-R040-0-17PTC RESETTABLE 0.4A 60V RADIAL L |
4,091 | - |
|
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-R135-0-17PTC RESETTABLE 1.35A 30V RADIAL |
5,978 | - |
|
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-17PTC RESETTABLE 0.3A 60V RADIAL L |
7,618 | - |
|
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-17PTC RESETTABLE 0.2A 60V RADIAL L |
2,159 | - |
|
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-RX020/72-0-17PTC RESETTABLE 0.2A 72V RADIAL L |
9,938 | - |
|
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) |

