PTC Resettable Fuses
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— IC芯片 | 连接器 | 传感器 | 被动器件 —

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() MICROSMD110-2 $0.55 | Littelfuse Inc. | PTC RESET FUSE 6V 1.1A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD110F-2 $0.48 | Littelfuse Inc. | PTC RESET FUSE 6V 1.1A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD150-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 1.5A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD150F-2 $0.55 | Littelfuse Inc. | PTC RESET FUSE 6V 1.5A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD175F-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 1.75A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD190LR-2 $0.73 | Littelfuse Inc. | PTC RESET FUSE 6V 1.9A 1210 | Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, LoRho | - | |
![]() MICROSMD200F-2 $0.61 | Littelfuse Inc. | PTC RESET FUSE 6V 2A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD200LR-2 $0.73 | Littelfuse Inc. | PTC RESET FUSE 6V 2A 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, LoRho | - |