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R2920-100-R is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists OptiFuse. Its product description is PTC RESET FUSE 33V 1.1A 2920. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for R2920-100-R
- Description：PTC RESET FUSE 33V 1.1A 2920
- Series：R2920
- Mfr：OptiFuse
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：33V
- Current - Hold (Ih) (Max)：1.1 A
- Current - Trip (It)：2.2 A
- Current - Max：100 A
- Time to Trip：500 ms
- Resistance - Initial (Ri) (Min)：90 mOhms
- Resistance - Post Trip (R1) (Max)：410 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：2920 (7351 Metric), Concave
- Size / Dimension：0.290" L x 0.202" W (7.36mm x 5.12mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.039" (1.00mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for R2920-100-R
Ptc Resettable Fuses Overview
The OptiFuse R2920-100-R is a surface-mount polymeric resettable fuse designed for circuit protection. It features a hold current of 1.1A and a maximum voltage rating of 33V. The device has an initial resistance minimum of 90mΩ and a post-trip resistance maximum of 410mΩ. It supports a switched current of 2.2A and handles a maximum current of 100A. The component operates within a temperature range of -40°C to +85°C, with a time-to-trip specification of 500ms.
Ptc Resettable Fuses Feature Summary
- Polymeric construction enables automatic reset after fault clearance
- Surface mount design facilitates automated assembly processes
- Low initial resistance minimizes power loss during normal operation
Ptc Resettable Fuses Applications
- Portable electronic devices
- Consumer electronics circuits
- Battery pack protection
Ptc Resettable Fuses Procurement Notes
Verify the specific voltage suffix in the part number, as variants like R2920-100-60-R exist with different ratings. Confirm package dimensions match the PCB footprint requirements. Ensure the operating temperature range aligns with the application environment. Check datasheet specifications for hold and trip currents to validate circuit compatibility before procurement.
Ptc Resettable Fuses Selection Notes
Select this component when a low-profile surface mount solution is required for overcurrent protection. Compare the 1.1A hold current against the circuit's normal operating current to ensure proper function. Evaluate the 33V rating against the system voltage. Consider the thermal characteristics and mounting type relative to the board layout constraints.
Ptc Resettable Fuses Part Context
This part belongs to the OptiFuse R2920 series of polymeric resettable fuses. The series offers various current and voltage ratings to suit different circuit protection needs. These components are commonly used in applications requiring reliable, reusable overcurrent protection without manual intervention.
Ptc Resettable Fuses Replacement Considerations
Check for direct substitutes from other manufacturers offering similar 1.1A hold current and 33V ratings. Verify that any replacement matches the 2920 package dimensions and surface mount requirements. Ensure electrical parameters such as resistance and trip times are compatible.
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