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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 |
|---|---|---|---|---|---|---|---|
![]() SRP420F $0.91 | Littelfuse Inc. | PTC RESET FUSE 30V 4.2A STRAP | Bulk | User Defined | PolySwitch®, SRP | -40°C ~ 85°C | |
![]() TCF250-100T-B-0.5 $0.49 | Littelfuse Inc. | PTC RESET FUSE 60V 90MA SMD | Bag | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | |
| Littelfuse Inc. | PTC RESET FUSE 60V 90MA SMD | Bulk | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | ||
![]() TCF250-120 $0.22 | Littelfuse Inc. | PTC RESET FUSE 60V 120MA SMD | Bulk | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | |
![]() TCF250-120T-B-0.5 $0.77 | Littelfuse Inc. | PTC RESET FUSE 60V 120MA SMD | Bag | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | |
![]() TCF250-120T-RA-B-0.5 $0.60 | Littelfuse Inc. | PTC RESET FUSE 60V 120MA SMD | Bag | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | |
![]() TCF250-120T-RB-B-0.5 $0.58 | Littelfuse Inc. | PTC RESET FUSE 60V 120MA SMD | Bag | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C | |
![]() TCF250-145 $0.24 | Littelfuse Inc. | PTC RESET FUSE 60V 145MA SMD | Bulk | Surface Mount | PolySwitch®, TCF250 | -40°C ~ 85°C |