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Product Detailed Parameters
- Description：PTC RESET FUSE 16V 350MA 1206
- Series：0ZCA
- Mfr：Bel Fuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：350 mA
- Current - Trip (It)：750 mA
- Current - Max：40 A
- Time to Trip：100 ms
- Resistance - Initial (Ri) (Min)：300 mOhms
- Resistance - Post Trip (R1) (Max)：1.2 Ohms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric)
- Size / Dimension：0.128" L x 0.065" W (3.25mm x 1.65mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.030" (0.75mm)
- Lead Spacing：-
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Overview
The Bel Fuse Inc. 0ZCA0035FF2G is a polymeric PTC resettable fuse designed for surface mount applications in the 1206 (3216 metric) package. It features a holding current of 350 mA and a trip current of 750 mA, with a maximum voltage rating of 16 VDC. The device exhibits an initial resistance of 700 mOhms and can withstand a maximum fault current of 40 A. Operating within a temperature range of -40°C to +85°C, it provides reliable circuit protection against overcurrent conditions while maintaining low profile dimensions suitable for compact electronic assemblies.
Feature Summary
- Polymeric positive temperature coefficient construction enables automatic reset functionality after fault clearance
- Surface mount design facilitates automated assembly in high-density PCB layouts
- Low initial resistance minimizes power loss during normal operation
- High fault current capacity ensures robust protection against short circuit events
Applications
- Portable consumer electronics battery pack protection
- USB port overcurrent protection circuits
- Laptop and tablet peripheral interface safeguarding
- Automotive infotainment system circuit protection
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to soldering. Ensure storage conditions meet humidity requirements to prevent package degradation. Cross-reference datasheet specifications with application requirements to validate electrical performance margins under operational stress conditions.
Selection Notes
Evaluate thermal management requirements as self-heating affects trip characteristics. Consider ambient temperature variations that may shift holding current thresholds. Assess space constraints against 1206 package dimensions. Review reflow soldering profiles to ensure compatibility with polymer material limits. Validate circuit break time against downstream component tolerance levels.
Part Context
This component belongs to the 0ZCA series of surface mount PTC resettable fuses from Bel Fuse. The series offers various current ratings and voltage options within standard SMD footprints. The 0ZCA0035FF2G specifically targets low-voltage applications requiring moderate current protection in compact form factors common in modern portable devices.
Replacement Considerations
Direct substitutes must match 1206 footprint, 350 mA holding current, and 16 VDC voltage rating. Verify equivalent trip current and resistance values. Check compatibility with existing board layout and thermal design. Confirm regulatory certifications align with target market requirements.
