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RLD30P185UF is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 30V 1.85A RADIAL. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for RLD30P185UF
- Description：PTC RESET FUSE 30V 1.85A RADIAL
- Series：POLY-FUSE®, RLD30
- Mfr：Littelfuse Inc.
- Package：Tape & Box (TB)
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：1.85 A
- Current - Trip (It)：3.7 A
- Current - Max：40 A
- Time to Trip：8.7 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：90 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.402" L x 0.118" W (10.20mm x 3.00mm)
- Height - Seated (Max)：0.618" (15.70mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
Ptc Resettable Fuses datasheet and documents for RLD30P185UF
Ptc Resettable Fuses Overview
The Littelfuse RLD30P185UFA is a PolySwitch radial-leaded PPTC resettable fuse designed for overcurrent protection. It features a hold current of 1.85 A and a trip current of 3.7 A, operating at a maximum voltage of 30 VDC. The device has a minimum resistance of 90 mOhms and can withstand fault currents up to 40 A. It operates within a temperature range of -40°C to +85°C with a lead spacing of 5.1 mm.
Ptc Resettable Fuses Feature Summary
- Provides automatic circuit interruption during overcurrent events without requiring replacement
- Offers reliable protection for low-voltage circuits through positive temperature coefficient behavior
- Supports high-volume electronics assembly processes via standard radial leaded termination
Ptc Resettable Fuses Applications
- Satellite video receivers
- Industrial controls
- Computer motherboards
- USB hubs, ports and peripherals
- Battery packs
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix (e.g., UFA) against official Littelfuse documentation to confirm exact packaging and compliance status. Confirm availability as the component may be discontinued or subject to supply constraints. Ensure the selected variant matches the required voltage and current ratings for the target application circuit.
Ptc Resettable Fuses Selection Notes
Select this component when a 30 VDC rating and 1.85 A hold current are required for PCB-mounted applications. Consider the radial lead form factor for through-hole assembly compatibility. Evaluate the 90 mOhms resistance for potential power loss implications in the design.
Ptc Resettable Fuses Part Context
This device belongs to the Littelfuse POLYFUSE RLD30 series, which provides a comprehensive set of PPTC products. The series is characterized by its balance of voltage rating and hold current capabilities, offering robust overcurrent protection solutions for various electronic assemblies.
Ptc Resettable Fuses Replacement Considerations
Consult official Littelfuse substitution guides for verified alternatives. Generic equivalents may not match the specific trip characteristics or mechanical dimensions required for the original design.
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