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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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250R145-RBUPTC RESET FUSE 60V 145MA RADIAL |
9,375 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 4.5 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
600R150-RBFPTC RESET FUSE 60V 150MA RADIAL |
6,323 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 600R | Bulk | Obsolete | Polymeric | 60V (600V Int) | 150 mA | 300 mA | 3 A | 3 s | 9 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" L x 0.181" W (9.00mm x 4.60mm) | 0.492" (12.50mm) | - | 0.201" (5.10mm) |
|
600R160-R1FPTC RESET FUSE 60V 160MA RADIAL |
9,492 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 600R | Bulk | Obsolete | Polymeric | 60V (600V Int) | 160 mA | 320 mA | 3 A | 10 s | 4 Ohms | 17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.236" W (16.00mm x 6.00mm) | 0.496" (12.60mm) | - | 0.201" (5.10mm) |
|
600R160FPTC RESET FUSE 60V 160MA RADIAL |
2,492 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 600R | Bulk | Obsolete | Polymeric | 60V (600V Int) | 160 mA | 320 mA | 3 A | 10 s | 4 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.236" W (16.00mm x 6.00mm) | 0.496" (12.60mm) | - | 0.201" (5.10mm) |
|
600R160-RAFPTC RESET FUSE 60V 160MA RADIAL |
5,981 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 600R | Bulk | Obsolete | Polymeric | 60V (600V Int) | 160 mA | 320 mA | 3 A | 10 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.236" W (16.00mm x 6.00mm) | 0.496" (12.60mm) | - | 0.201" (5.10mm) |
|
600R160-RAURPTC RESET FUSE 60V 160MA RADIAL |
4,433 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 600R | Tape & Box (TB) | Obsolete | Polymeric | 60V (600V Int) | 160 mA | 320 mA | 3 A | 10 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.236" W (16.00mm x 6.00mm) | 0.496" (12.60mm) | - | 0.201" (5.10mm) |
|
250R145TUPTC RESET FUSE 60V 145MA RADIAL |
2,222 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
|
250R180TFPTC RESET FUSE 60V 180MA RADIAL |
3,811 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 10 A | 21 s | 1.4 Ohms | 4.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.374" Dia x 0.181" T (9.50mm x 4.60mm) | 0.472" (12.00mm) | - | 0.201" (5.10mm) |
|
250R145UPTC RESET FUSE 60V 145MA RADIAL |
2,387 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
250R145TZRPTC RESET FUSE 60V 145MA RADIAL |
6,506 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
16R160BUPTC RESET FUSE 16V 1.6A RADIAL |
7,368 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 16V | 1.6 A | 3.2 A | 40 A | 9 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
16R185BUPTC RESET FUSE 16V 1.85A RADIAL |
7,324 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.201" (5.10mm) |
|
16R250BUPTC RESET FUSE 16V 2.5A RADIAL |
4,514 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 16V | 2.5 A | 5 A | 40 A | 40 s | 20 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
16R135BUPTC RESET FUSE 16V 1.35A RADIAL |
6,600 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 16V | 1.35 A | 2.7 A | 40 A | 4.5 s | 40 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.201" (5.10mm) |
|
16R090BUPTC RESET FUSE 16V 900MA RADIAL |
9,458 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | 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 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.201" (5.10mm) |
|
|
16R110BUPTC RESET FUSE 16V 1.1A RADIAL |
9,491 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 16V | 1.1 A | 2.2 A | 40 A | 2.3 s | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.201" (5.10mm) |
|
PTCTT95R200GTEPTC RESET FUSE 240V 90MA 4SMD |
9,079 | - |
|
Datasheet |
4-SMD | - | Tape & Reel (TR) | Active | Ceramic | 240V | 90 mA | 200 mA | 8 A | 2 s | - | - | 20 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.354" L x 0.283" W (9.00mm x 7.20mm) | - | 0.272" (6.90mm) | - |
|
PTCTT95R250GTEPTC RESET FUSE 240V 100MA 4SMD |
6,925 | - |
|
Datasheet |
4-SMD | - | Tape & Reel (TR) | Active | Ceramic | 240V | 100 mA | 200 mA | 4 A | 2 s | - | - | 25 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.354" L x 0.283" W (9.00mm x 7.20mm) | - | 0.272" (6.90mm) | - |
|
PTCTT95R350GTEPTC RESET FUSE 240V 100MA 4SMD |
5,388 | - |
|
Datasheet |
4-SMD | - | Tape & Reel (TR) | Active | Ceramic | 240V | 100 mA | 200 mA | 4 A | 1.5 s | - | - | 35 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.354" L x 0.283" W (9.00mm x 7.20mm) | - | 0.272" (6.90mm) | - |
|
LVR075SPTC RESET FUSE 240V 750MA RADIAL |
4,165 | - |
|
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) |

