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Product Detailed Parameters
- Description：PTC RESET FUSE 18V RADIAL DISC
- Series：YQ
- Mfr：Amphenol Advanced Sensors (Thermometrics)
- Package：Bulk
- Type：Ceramic
- Voltage - Max：18V
- Current - Hold (Ih) (Max)：-
- Current - Trip (It)：-
- Current - Max：-
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：-
- Operating Temperature：0°C ~ 60°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：-
- Height - Seated (Max)：-
- Thickness (Max)：-
- Lead Spacing：-
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Overview
The YQZ120N120 is a PTC thermistor from the YQ series manufactured by Amphenol Advanced Sensors. It features a nominal resistance of 1 ohm with a tolerance of 25%. The component has a current rating of 650 mA and operates within a temperature range of 0°C to +60°C. It utilizes radial termination for PCB mounting and is supplied in bulk packaging.
Feature Summary
- Positive temperature coefficient behavior for circuit protection
- Radial lead configuration for printed circuit board integration
- Standardized tolerance specifications for consistent performance
Applications
- Overcurrent protection in electronic circuits
- Self-resetting fuse applications
- Temperature sensing in low-voltage systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct resistance and tolerance values. Confirm that the radial package style matches your PCB layout requirements. Check RoHS compliance status directly on the product datasheet before finalizing procurement decisions.
Selection Notes
Select this component when a self-resetting overcurrent protection device is required for low-current applications up to 650 mA. Ensure the operating environment stays within the specified 0°C to +60°C range. Verify that the 1-ohm nominal resistance aligns with your circuit's impedance and voltage drop constraints.
Part Context
This part belongs to the YQ series of PTC thermistors produced by Amphenol Advanced Sensors under the Thermometrics brand. These components are designed for industrial and consumer electronics, offering reliable thermal management and circuit protection through positive temperature coefficient characteristics.
Replacement Considerations
Cross-reference with other Amphenol YQ series parts for similar current ratings. Verify exact resistance values and package dimensions before substituting with generic PTC fuses to maintain circuit integrity.
