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RUSBF185-2 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 16V 1.85A RADIAL. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for RUSBF185-2
- Description：PTC RESET FUSE 16V 1.85A RADIAL
- Series：PolySwitch®, RUSBF
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：1.85 A
- Current - Trip (It)：3.7 A
- Current - Max：40 A
- Time to Trip：10 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：90 mOhms
- Operating Temperature：-40°C ~ 85°C
- 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：0.199" (5.05mm)
Ptc Resettable Fuses datasheet and documents for RUSBF185-2
Ptc Resettable Fuses Overview
The Littelfuse RUSBF185-2 is a PolySwitch radial leaded PPTC resettable fuse designed for circuit protection. It features a holding current of 1.85 A and a trip current of 3.7 A, with a maximum voltage rating of 16 VDC. The device has a maximum rated current of 40 A and a resistance of 90 mOhms. It operates within a temperature range of -40°C to +85°C and utilizes a 5.8 mm lead spacing.
Ptc Resettable Fuses Feature Summary
- Provides reliable overcurrent protection for circuits and wiring harnesses
- Automatically resets after fault conditions are cleared
- Radial leaded form factor facilitates PCB mounting
Ptc Resettable Fuses Applications
- Telecom and networking equipment protection
- Power supply circuit safeguarding
- Consumer electronics overcurrent defense
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix against official Littelfuse documentation to confirm electrical ratings and package details. Ensure compatibility with target voltage and current requirements before procurement. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents.
Ptc Resettable Fuses Selection Notes
Select this component when a 16 VDC maximum voltage and 1.85 A holding current are required. The radial leaded design suits through-hole PCB applications. Verify that the 40 A interrupting rating meets the system's fault current capabilities.
Ptc Resettable Fuses Part Context
This part belongs to the RUSB series of PolySwitch resettable fuses. It serves as a solid-state alternative to traditional fusible links, offering reusable overcurrent protection for sensitive electronic components in various commercial and industrial applications.
Ptc Resettable Fuses Replacement Considerations
The RUSB185-2 is listed as a discontinued product. Designers should consult Littelfuse for valid replacement part numbers within the same series or equivalent specifications.
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