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-SM300-2 $0.68 | Bourns Inc. | PTC RESET FUSE 6V 3A 2SMD | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SM | -40°C ~ 85°C | |
| Bourns Inc. | PTC RESET FUSE 6V 3A 2SMD | Tape & Reel (TR) | Surface Mount | Multifuse®, MF-SM | -40°C ~ 85°C | ||
![]() MF-SMDF030-2 $0.68 | Bourns Inc. | PTC RESET FUSE 60V 300MA 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C | |
| Bourns Inc. | PTC RESET FUSE 60V 550MA 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C | ||
![]() MF-SMDF100-2 $0.55 | Bourns Inc. | PTC RESET FUSE 15V 1.1A 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C | |
![]() MF-SMDF100/33X-2 $0.79 | Bourns Inc. | PTC RESETTABLE 1.1A 33V SMD 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C | |
![]() MF-SMDF150-2 $0.68 | Bourns Inc. | PTC RESET FUSE 15V 1.5A 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C | |
![]() MF-SMDF200-2 $0.68 | Bourns Inc. | PTC RESET FUSE 10V 2A 2018 | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | Multifuse®, MF-SMDF | -40°C ~ 85°C |