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 |
|---|---|---|---|---|---|---|---|
![]() MF-R250-0-14 $0.79 | Bourns Inc. | PTC RESETTABLE 2.5A 30V RADIAL L | Bulk | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | |
| Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Bulk | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | ||
![]() MF-R250-2 $0.79 | Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Tape & Reel (TR),Cut Tape (CT) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | |
![]() MF-R250-2-10 $0.79 | Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Cut Tape (CT),Tape & Box (TB) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | |
| Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Tape & Reel (TR) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | ||
![]() MF-R250-2-14 $0.31 | Bourns Inc. | PTC RESETTABLE 2.5A 30V RADIAL L | Tape & Reel (TR) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | |
| Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Tape & Reel (TR),Cut Tape (CT) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C | ||
![]() MF-R250-AP $0.79 | Bourns Inc. | PTC RESET FUSE 30V 2.5A RADIAL | Cut Tape (CT),Tape & Box (TB) | Through Hole | Multifuse®, MF-R | -40°C ~ 85°C |