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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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0ZRV0125FF1A277 VAC RATED RADIAL LEAD PTC RE |
977 | - |
|
Datasheet |
Radial, Disc | 0ZRV | Bulk | Active | Ceramic | 277V (305V Int) | 1.25 A | 2.5 A | 12.5 A | 23 s | 240 mOhms | 800 mOhms | - | -20°C ~ 85°C | - | - | AEC-Q200 | Through Hole | 0.740" Dia x 0.209" T (18.80mm x 5.30mm) | 0.965" (24.50mm) | - | 0.402" (10.20mm) |
|
MF-LSMF400/16X-22920 RESETTABLE SMD PPTC 4.0A/16 |
3,848 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
|
B59753B0120A070PTC RESET FUSE 420V RADIAL DISC |
1,000 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 420V | - | 112 mA | 2 A | 3 s | - | - | 120 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
|
0ZRV0150FF1ASENSOR PTC RADIAL |
977 | - |
|
Datasheet |
Radial, Disc | 0ZRV | Bulk | Active | Ceramic | 277V (305V Int) | 1.5 A | 3 A | 15 A | 23 s | 140 mOhms | 480 mOhms | - | -20°C ~ 85°C | - | - | AEC-Q200 | Through Hole | 0.937" Dia x 0.209" T (23.80mm x 5.30mm) | 1.118" (28.40mm) | - | 0.402" (10.20mm) |
|
0ZRV0200FF1ASENSOR PTC RADIAL |
930 | - |
|
Datasheet |
Radial, Disc | 0ZRV | Bulk | Active | Ceramic | 277V (305V Int) | 2 A | 4 A | 20 A | 28 s | 90 mOhms | 290 mOhms | - | -20°C ~ 85°C | - | - | AEC-Q200 | Through Hole | 0.992" L x 0.240" W (25.20mm x 6.10mm) | 1.205" (30.60mm) | - | 0.402" (10.20mm) |
|
TSM250-130F-RA-2PTC RESET FUSE 60V 130MA 4SMD |
2,978 | - |
|
Datasheet |
4-SMD | PolySwitch®, TSM | Tape & Reel (TR) | Active | Polymeric | 60V | 130 mA | 260 mA | 3 A | 2.4 s | 4 Ohms | 30 Ohms | 22 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.337" L x 0.323" W (8.55mm x 8.20mm) | - | 0.354" (9.00mm) | - |
|
TSM250-130F-2PTC RESET FUSE 60V 130MA 4SMD |
2,745 | - |
|
Datasheet |
4-SMD | PolySwitch®, TSM | Tape & Reel (TR) | Active | Polymeric | 60V | 130 mA | 260 mA | 3 A | 2.4 s | 4 Ohms | 15 Ohms | 9 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.337" L x 0.323" W (8.55mm x 8.20mm) | - | 0.354" (9.00mm) | - |
|
PTCCL17H112DBEPTC RESET FUSE 30V 1.17A RADIAL |
439 | - |
|
Datasheet |
Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 1.17 A | 1.755 A | 13.5 A | - | - | - | 700 mOhms | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.157" W (16.50mm x 4.00mm) | 0.846" (21.50mm) | - | 0.197" (5.00mm) |
|
2920L500/16MR-APTC 16V POLYFUSE SMT 2920 5.00A |
2,141 | - |
|
Datasheet |
2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | 10 A | 40 A | 5 s | 5 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
|
CL20 101130PTC Thermistor |
370 | - |
|
- |
Radial, Disc | - | Bulk | Active | Polymeric | 1.2kV | 650 mA | 1.75 A | - | 65 s | - | - | 100 Ohms | -40°C ~ 110°C | - | - | - | Through Hole | 0.866" Dia x 0.217" T (22.00mm x 5.50mm) | - | - | - |
|
MPTS1206L016RPTC RESET FUSE 48V 0.16A 1206 |
18,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 48V | 160 mA | 450 mA | 100 A | 300 ms | 1.1 Ohms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
MPTS1206L010RPTC RESET FUSE 60V 0.1A 1206 |
45,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 250 mA | 100 A | 1 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.033" (0.85mm) | - |
|
MPTS1210L005RPTC RESET FUSE 60V 0.05A 1210 |
9,000 | - |
|
Datasheet |
1210 (3225 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 100 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.045" (1.15mm) | - |
|
MPTS1812L010RPTC RESET FUSE 60V 0.1A 1812 |
6,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 300 mA | 100 A | 20 ms | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
MPTS2920L100RPTC RESET FUSE 33V 1.1A 2920 |
4,000 | - |
|
Datasheet |
2920 (7351 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 100 A | 500 ms | 90 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.039" (1.00mm) | - |
|
FSMD050-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
11,900 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 8V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 700 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.022" (0.55mm) | - |
|
FSMD050-RRESETTABLE FUSE - SMD, 1812 SIZE |
1,900 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.026" (0.65mm) | - |
|
FSMD014-RRESETTABLE FUSE - SMD, 1812 SIZE |
1,890 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 60V | 140 mA | 300 mA | 100 A | 8 ms | 1.2 Ohms | 6.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
FSMD030-RRESETTABLE FUSE - SMD, 1812 SIZE |
1,750 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 30V | 300 mA | 600 mA | 100 A | 100 ms | 200 mOhms | 1.75 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
|
FSMD035-30-RRESETTABLE FUSE - SMD, 1812 SIZE |
1,540 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 30V | 350 mA | 700 mA | 100 A | 100 ms | 320 mOhms | 1.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |

