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FSMD050-1210-R is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists RFE/Fuzetec. Its product description is PPTC Resettable Fuse 16V .5A Hol. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for FSMD050-1210-R
- Description：PPTC Resettable Fuse 16V .5A Hol
- Series：FSMD1210
- Mfr：RFE/Fuzetec
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：500 mA
- Current - Trip (It)：1:00 AM
- Current - Max：100 A
- Time to Trip：100 ms
- Resistance - Initial (Ri) (Min)：250 mOhms
- Resistance - Post Trip (R1) (Max)：900 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), Concave
- Size / Dimension：0.127" L x 0.101" W (3.22mm x 2.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.030" (0.75mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for FSMD050-1210-R
Ptc Resettable Fuses Overview
The FSMD050-1210-R is a surface-mount polymeric PTC resettable fuse from the FSMD1210 series. It features a maximum voltage rating of 16V and a hold current (Ih) of 500 mA. The device trips at a current of 1 A and supports a maximum fault current capacity of 100 A. Designed for concave 1210 (3225 Metric) packages, it operates within a temperature range of -40°C to +85°C.
Ptc Resettable Fuses Feature Summary
- Provides overcurrent protection through automatic resistance increase upon thermal trip
- Designed for high-density surface mount applications with concave package geometry
- Offers resettable functionality after fault condition removal
Ptc Resettable Fuses Applications
- Overcurrent protection in electronic circuits
- High-density board protection systems
- Consumer electronics power lines
Ptc Resettable Fuses Procurement Notes
Verify component authenticity by cross-referencing manufacturer part markings with official datasheet specifications. Confirm package type matches the required 1210 footprint and ensure voltage ratings align with circuit design requirements before integration.
Ptc Resettable Fuses Selection Notes
Select this component when circuit protection requires a low-voltage, high-current resettable fuse. Ensure the operating environment stays within the specified -40°C to +85°C range. Verify that the 500 mA hold current meets the normal operational load without nuisance tripping.
Ptc Resettable Fuses Part Context
This part belongs to the FSMD1210 series of surface-mountable PTC resettable fuses manufactured by Fuzetec Technology Co., Ltd. The series is engineered for compact electronic designs requiring reliable overcurrent protection in small form factors.
Ptc Resettable Fuses Replacement Considerations
Direct substitutes include other 1210-sized PTC fuses with matching 16V and 500mA ratings. Verify electrical parameters and physical dimensions before substitution to ensure compatibility with existing PCB layouts.
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