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MF-SMDF200-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 10V 2A 2018
- Series：Multifuse®, MF-SMDF
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：10V
- Current - Hold (Ih) (Max)：2:00 AM
- Current - Trip (It)：4:00 AM
- Current - Max：40 A
- Time to Trip：2.4 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：100 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：2018 (5045 Metric), Concave
- Size / Dimension：0.200" L x 0.180" W (5.08mm x 4.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.033" (0.85mm)
- Lead Spacing：-
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Overview
The Bourns MF-SMDF200-2 is a surface-mount polymer PTC resettable fuse from the Multifuse MF-SMDF series. It features a 2 A hold current and a 10 VDC maximum voltage rating. The device trips at 4 A and supports a maximum fault current of 40 A. Initial resistance is typically 30 mOhms, with a maximum post-trip resistance of 100 mOhms. Housed in a 2018 (5045 metric) package, it operates within a temperature range of -40°C to +85°C.
Feature Summary
- Polymer PTC technology provides overcurrent protection that automatically resets after fault conditions clear.
- Surface mount design allows for compact integration into space-constrained circuit layouts.
- RoHS compliant construction ensures material safety and regulatory adherence.
Applications
- Overcurrent protection for portable electronic devices
- Circuit safeguarding in consumer electronics
- Protection for communication equipment interfaces
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number MF-SMDF200-2 with official Bourns documentation. Confirm RoHS compliance status and specific packaging configuration such as tape and reel quantities prior to acquisition. Ensure storage conditions maintain moisture sensitivity level integrity until assembly.
Selection Notes
Select this component when circuit protection requires a low-profile surface mount solution with a 2 A continuous current capacity. The 10 VDC rating suits low-voltage applications. Consider the 2018 package dimensions for board space constraints. Verify thermal management requirements against the specified operating temperature range of -40°C to +85°C.
Part Context
This device belongs to the Bourns Multifuse MF-SMDF series, designed for high-reliability surface mount applications. The series offers various hold currents and voltage ratings within standardized packages. The MF-SMDF200-2 specifically addresses needs for moderate current protection in compact digital and analog circuits requiring automatic recovery.
Replacement Considerations
Consult official Bourns substitution guides for direct equivalents. Generic PTC fuses may differ in trip characteristics or physical dimensions. Verify compatibility with existing footprint and electrical parameters before substituting.
