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 |
|---|---|---|---|---|---|---|---|
| Littelfuse Inc. | PTC RESET FUSE 30V 100MA 1210 | Tape & Reel (TR) | Surface Mount | PolySwitch®, miniSMD | -40°C ~ 85°C | ||
![]() MICROSMD010F-2 $0.33 | Littelfuse Inc. | PTC RESET FUSE 30V 100MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD035-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 350MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD035F-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 350MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD050-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 13.2V 500MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD050F-2 $0.41 | Littelfuse Inc. | PTC RESET FUSE 13.2V 500MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C | |
![]() MICROSMD075-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 750MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | - | |
![]() MICROSMD075F-2 $0.50 | Littelfuse Inc. | PTC RESET FUSE 6V 750MA 1210 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PolySwitch®, microSMD | -40°C ~ 85°C |