Description
0603 SMD 200mA 12V PPTC Resettable self-recovery fuse
General Description
This 0603-size PPTC (Polymeric Positive Temperature Coefficient) resettable fuse provides overcurrent protection in compact electronic circuits. When excessive current flows, the device heats up, increases resistance, and limits current flow. Once the fault is removed and the fuse cools, it automatically resets — eliminating the need for replacement.
⚙️ Key Specifications
| Parameter |
Typical Value |
| Package Type |
0603 (SMD) |
| Hold Current (I<sub>hold</sub>) |
0.20 A (200 mA) |
| Trip Current (I<sub>trip</sub>) |
0.40 A (400 mA) |
| Maximum Operating Voltage (V<sub>max</sub>) |
12 V DC |
| Maximum Current (I<sub>max</sub>) |
40 A (typical surge current) |
| Typical Resistance (R<sub>min</sub>) |
1.0 Ω |
| Maximum Resistance (R<sub>max</sub>) |
3.5 Ω |
| Trip Time |
< 1 s @ 8V / I<sub>trip</sub> |
| Operating Temperature Range |
–40°C to +85°C |
| Reflow Soldering Capability |
Yes (up to 260°C, 10 s max) |
| Body Size (L × W × H) |
1.6 × 0.8 × 0.5 mm |
🧠 Main Features
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Resettable overcurrent protection
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Compact 0603 SMD package for high-density PCBs
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Fast response to fault current
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Automatically recovers when fault is cleared
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RoHS compliant and halogen-free
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Ideal for battery-powered and portable electronics
⚡ Typical Applications
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USB power line protection
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Wearable and portable devices
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Smart watches and IoT modules
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Communication and RF modules
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LED drivers and sensor boards
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Embedded and consumer electronics
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