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Product Detailed Parameters
- Description：MOSFET N-CH 250V SOT89
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel, Depletion Mode
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：250 V
- Current - Continuous Drain (Id) @ 25°C：-
- Drive Voltage (Max Rds On, Min Rds On)：0V
- Rds On (Max) @ Id, Vgs：10Ohm @ 220mA, 0V
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Vgs (Max)：±15V
- Input Capacitance (Ciss) (Max) @ Vds：350 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：1.4W (Ta)
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-89
- Package / Case：TO-243AA
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Overview
The CPC3710CTR is a surface-mount N-channel depletion-mode MOSFET manufactured by IXYS Integrated Circuits Division, a subsidiary of Littelfuse. It features a 250 V drain-source voltage rating and operates within a junction temperature range of -55°C to 125°C. The device is housed in a SOT-89 (TO-243AA) package with a maximum power dissipation of 1.4 W at ambient temperature. Key electrical characteristics include a gate-source voltage limit of ±15 V, an input capacitance of 350 pF at 25 V, and a maximum on-resistance of 10 ohms at 220 mA and 0 V gate drive.
Feature Summary
- Depletion-mode operation allowing conduction at zero gate-source voltage
- High-voltage capability suitable for isolated switching applications
- Surface-mount construction for automated assembly processes
Applications
- Isolated DC-DC converter control circuits
- High-voltage signal switching
- Industrial automation interface logic
Procurement Notes
Verify the manufacturer designation as IXYS Integrated Circuits Division, a Littelfuse entity, to ensure component authenticity. Confirm the specific tape-and-reel or cut-tape packaging variant matches the production line requirements. Check for RoHS3 compliance status and ensure the SOT-89 footprint aligns with the PCB design specifications before finalizing procurement orders.
Selection Notes
Select this component for designs requiring normally-on behavior in high-voltage environments. The 250 V rating supports isolation barriers in power supplies. Ensure the driving circuit can handle the 10 ohm on-resistance at low currents. Verify thermal management capabilities for the 1.4 W dissipation limit in the chosen enclosure environment.
Part Context
This part belongs to the CPC3710 family of depletion-mode MOSFETs. It serves as a specialized semiconductor switch distinct from standard enhancement-mode devices. The CTR suffix indicates the specific reel packaging configuration provided by distributors.
Replacement Considerations
Consult official Littelfuse/IXYS documentation for verified cross-reference part numbers. Do not substitute with enhancement-mode MOSFETs without redesigning the gate drive circuitry due to different threshold behaviors.
