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Product Detailed Parameters
- Description：MOSFET N-CH 30V 5.8A SOT23-3
- Series：CMS
- Mfr：Comchip Technology
- Package：Bulk
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：5.8A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：2.5V, 10V
- Rds On (Max) @ Id, Vgs：41mOhm @ 5.8A, 10V
- Vgs(th) (Max) @ Id：1.4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：9.5 nC @ 4.5 V
- Vgs (Max)：±12V
- Input Capacitance (Ciss) (Max) @ Vds：820 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：1.4W (Ta)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-3
- Package / Case：TO-236-3, SC-59, SOT-23-3
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Overview
The CMS3400-HF is an N-channel enhancement mode MOSFET manufactured by Comchip Technology. It features a drain-to-source voltage (Vdss) rating of 30 V and a continuous drain current (Id) of 5.8 A at 25°C ambient temperature. The device is housed in a surface-mount SOT-23-3 package, suitable for compact designs. It dissipates up to 1.4 W of power at the same ambient temperature. The component is designed for general switching applications requiring low on-resistance and fast switching speeds.
Feature Summary
- N-channel enhancement mode construction for efficient switching
- Surface-mount SOT-23-3 packaging for space-constrained PCB layouts
- High continuous drain current capability for load control
- Low thermal resistance for reliable operation under load
Applications
- DC motor drivers
- Power management circuits
- Load switching applications
Procurement Notes
Verify the exact suffix 'HF' indicates halogen-free compliance as per manufacturer standards. Confirm the package type is SOT-23-3 and the pinout matches standard configurations. Ensure the datasheet version aligns with the specific lot or revision required for your design. Cross-reference electrical parameters such as Rds(on) and Vgs(th) against your circuit requirements before finalizing procurement.
Selection Notes
Select this component when a 30 V N-channel MOSFET is required in a small SOT-23 package. Ensure the application current does not exceed 5.8 A continuous at 25°C without adequate thermal management. Consider the power dissipation limit of 1.4 W Ta when designing heat sinking or PCB copper area. Verify gate drive voltage compatibility for optimal Rds(on) performance.
Part Context
Comchip Technology produces the CMS series of single FETs, including P-channel variants like the CMS3402-HF. These components are part of a broader portfolio of discrete semiconductors aimed at consumer and industrial electronics. The CMS3400-HF specifically serves as the N-channel counterpart within this family, offering complementary switching capabilities for bridge or half-bridge configurations.
Replacement Considerations
Check for direct replacements from other manufacturers offering identical 30 V, 5.8 A N-channel MOSFETs in SOT-23 packages. Verify pinout compatibility and electrical parameter equivalence, particularly Rds(on) and threshold voltage, to ensure seamless integration without redesigning the PCB layout or driver circuitry.
