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MPTR30V090
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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 0.9A RADIAL
- Series：MPTR
- Mfr：Meritek
- Package：Bulk
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：900 mA
- Current - Trip (It)：1.8 A
- Current - Max：100 A
- Time to Trip：5.9 s
- Resistance - Initial (Ri) (Min)：70 mOhms
- Resistance - Post Trip (R1) (Max)：220 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.291" L x 0.118" W (7.40mm x 3.00mm)
- Height - Seated (Max)：0.480" (12.20mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The MPTR30V090 is a Polymeric Positive Temperature Coefficient (PTC) resettable fuse manufactured by Meritek Electronics. It belongs to the MPTR series, designed for overcurrent protection in electronic circuits. The component operates within a voltage range of 16V to 90V and supports operation currents up to 14.0A. It functions reliably across an extended temperature range from -40ºC to 125ºC. The device is RoHS compliant and lead-free, ensuring environmental safety standards are met for modern electronics manufacturing.
Feature Summary
- Provides automatic circuit recovery after fault clearance without manual replacement
- Offers high performance clamping voltage characteristics against surge events
- Constructed with flame retardant plastic case and epoxy resin meeting UL94V-0 standards
Applications
- Telecommunications equipment and data transmission lines
- Industrial control systems and automation interfaces
- Consumer electronics and infotainment modules
Procurement Notes
Verify the specific current rating suffix in the part number against the official datasheet to ensure correct trip characteristics. Confirm package type availability matches assembly requirements. Check for updated compliance certifications such as UL recognition numbers before finalizing procurement specifications.
Selection Notes
Select this component based on the system's maximum operating voltage and steady-state current requirements. Ensure the ambient temperature environment falls within the specified -40ºC to 125ºC range. Consider the hold current and trip current margins relative to normal circuit operation to prevent nuisance tripping during startup or transient loads.
Part Context
This part is part of the MPTR series from Meritek Electronics, focusing on advanced circuit protection solutions. The series includes various voltage and current ratings to suit different application densities. Meritek specializes in passive components and discrete devices for IoT, automotive, and industrial sectors, providing both surface mount and through-hole options.
Replacement Considerations
Consult the official Meritek cross-reference list for direct substitutes. Verify that any alternative PTC fuse maintains identical voltage ratings, current handling capabilities, and physical dimensions to ensure board compatibility and regulatory compliance.
