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Product Detailed Parameters
- Description：PTC RESET FUSE 25V 370MA RADIAL
- Series：PTF
- Mfr：Amphenol Advanced Sensors (Thermometrics)
- Package：Bulk
- Type：Ceramic
- Voltage - Max：25V
- Current - Hold (Ih) (Max)：370 mA
- Current - Trip (It)：740 mA
- Current - Max：-
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：3 Ohms
- Operating Temperature：10°C ~ 55°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.551" Dia x 0.181" T (14.00mm x 4.60mm)
- Height - Seated (Max)：0.630" (16.00mm)
- Thickness (Max)：-
- Lead Spacing：0.197" (5.00mm)
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Overview
The YQS5846PTF is a PTC resettable fuse from the Thermometrics PTF series, designed for over-current and short-circuit protection. It features a radial leaded disc construction with straight leads. The component operates at a maximum voltage of 25V and maintains a hold current (Ih) of 370mA. It utilizes a bare PTC disc thermistor technology suitable for general-purpose circuit safeguarding applications.
Feature Summary
- Provides automatic resettable over-current and short-circuit protection
- Utilizes bare PTC disc thermistor technology for reliable performance
- Features radial wire leads for through-hole PCB mounting
Applications
- General purpose over-current protection in electronic circuits
- Short-circuit protection for low-voltage systems
- Safeguarding components in consumer electronics assemblies
Procurement Notes
Verify the specific hold current and voltage ratings against the official datasheet to ensure compatibility with the target circuit design. Confirm that the radial lead configuration matches the printed circuit board layout requirements. Ensure the application environment does not exceed the specified thermal limits for the PTF series components.
Selection Notes
Select this component when a resettable protection device is required for low-voltage applications up to 25V. The 370mA hold current rating dictates the maximum continuous operating current before tripping occurs. Consider the radial package style for standard through-hole manufacturing processes rather than surface-mount alternatives.
Part Context
This part belongs to the Thermometrics PTF series, which consists of radially wired bare PTC disc thermistors manufactured by Amphenol Advanced Sensors. The series is engineered for robust circuit protection in various industrial and commercial electronic devices requiring reliable over-current management.
Replacement Considerations
Consult official substitution guides for compatible PTC resettable fuses within the same voltage and current specifications. Verify that alternative parts maintain the radial lead form factor and bare disc construction if mechanical or thermal constraints are critical to the assembly.
