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MICROSMD010-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 100MA 1210
- Series：PolySwitch®, microSMD
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：100 mA
- Current - Trip (It)：250 mA
- Current - Max：10:00 AM
- Time to Trip：1 s
- Resistance - Initial (Ri) (Min)：2.1 Ohms
- Resistance - Post Trip (R1) (Max)：15 Ohms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), Concave
- Size / Dimension：0.127" L x 0.102" W (3.22mm x 2.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.019" (0.48mm)
- Lead Spacing：-
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Overview
The Littelfuse MICROSMD010-2 is a PolySwitch resettable PPTC fuse designed for surface-mount applications. It features a hold current of 100 mA and a trip current of 300 mA, with a maximum voltage rating of 30 VDC. The device has a resistance of 12.7 Ohms and operates within a temperature range of -40°C to +85°C. Packaged in an ultra-compact 1206 (3216 metric) SMD footprint, it provides reliable overcurrent protection for sensitive circuits.
Feature Summary
- Provides automatic circuit protection by increasing resistance during overcurrent events
- Offers reusable functionality after fault conditions are cleared
- Designed for direct surface-mount integration onto printed circuit boards
Applications
- Portable electronic devices requiring compact overcurrent protection
- Battery-powered equipment circuits
- Data port protection on consumer electronics
Procurement Notes
Verify the specific suffix designation against official Littelfuse documentation to confirm exact electrical characteristics and packaging options. Ensure compatibility with lead-free soldering processes required for modern assembly lines. Confirm moisture sensitivity levels and storage conditions prior to installation to maintain component reliability.
Selection Notes
Select this component when space constraints require a small form factor while maintaining precise low-current protection thresholds. Evaluate the thermal environment to ensure the operating temperature range accommodates the application's peak conditions. Consider the resettable nature of the device versus one-time fuses based on maintenance accessibility and system uptime requirements.
Part Context
This part belongs to the MICROSMD series of PolySwitch resettable fuses from Littelfuse. The series is engineered for high-density PCB layouts where traditional axial or radial fuses cannot fit. It serves as a solid-state alternative to conventional fusible links, offering repeated protection cycles without replacement.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Generic replacements may not match the specific trip characteristics or package dimensions required for the original design.
