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Product Detailed Parameters
- Description：PTC RESET FUSE 265V 180MA RADIAL
- Series：YQ
- Mfr：Amphenol Advanced Sensors (Thermometrics)
- Package：Bulk
- Type：Ceramic
- Voltage - Max：265V
- Current - Hold (Ih) (Max)：180 mA
- Current - Trip (It)：350 mA
- Current - Max：1.2 A
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：15 Ohms
- Operating Temperature：0°C ~ 60°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.433" Dia x 0.197" T (11.00mm x 5.00mm)
- Height - Seated (Max)：-
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The YQD120N0015 is a ceramic PTC resettable fuse manufactured by Amphenol Advanced Sensors (Thermometrics). It features a radial disc package with silicon resin coating. The component has a typical resistance of 15 Ohms at 25°C and operates within a temperature range of 0°C to 60°C. It is rated for 265V with a hold current of 180 mA. The coated ceramic disk measures up to 11mm in diameter and 5.5mm in thickness.
Feature Summary
- Provides overcurrent protection through positive temperature coefficient behavior
- Features a self-resetting capability after fault conditions clear
- Utilizes a silicon resin coated ceramic disk construction
Applications
- Overcurrent protection in electronic circuits
- Battery pack protection systems
- Consumer electronics power input stages
Procurement Notes
Verify the specific voltage rating and hold current requirements against the application circuit design. Confirm that the operating temperature range aligns with the environmental conditions. Ensure the radial lead configuration fits the PCB layout constraints. Check for RoHS compliance status if required by project specifications.
Selection Notes
Select this component when a resettable fuse is needed for low-current applications. Consider the 15 Ohm initial resistance impact on circuit startup. Evaluate the thermal dissipation capabilities given the small form factor. Compare performance characteristics against alternative PTC devices from other manufacturers.
Part Context
This part belongs to the Thermometrics line of passive components, specializing in temperature sensing and protection solutions. Amphenol Advanced Sensors integrates these products into broader industrial and consumer safety systems. The YQ series represents their standard PTC thermistor offerings.
Replacement Considerations
Cross-reference with other 15 Ohm, 265V PTC fuses from compatible manufacturers. Verify dimensional compatibility for direct replacement. Ensure electrical ratings meet or exceed original specifications.
