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Product Detailed Parameters
- Description：MOSFET N-CH 800V SOT223
- 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)：800 V
- Current - Continuous Drain (Id) @ 25°C：-
- Drive Voltage (Max Rds On, Min Rds On)：0V
- Rds On (Max) @ Id, Vgs：45Ohm @ 100mA, 0V
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Vgs (Max)：±15V
- Input Capacitance (Ciss) (Max) @ Vds：115 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：1.8W (Ta)
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-223
- Package / Case：TO-261-4, TO-261AA
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Overview
The CPC3980ZTR is an N-channel depletion-mode MOSFET manufactured by Littelfuse. It features a drain-source breakdown voltage of 800 V and a continuous drain current rating of 100 mA at 25°C. The device exhibits a typical on-resistance of 45 Ohms. It operates within a junction temperature range of -55°C to 125°C and is housed in a surface-mount SOT-223 package.
Feature Summary
- Depletion-mode operation with normally-on characteristic
- High breakdown voltage capability for high-voltage applications
- Low on-resistance at cold temperatures
- High input impedance
Applications
- High-voltage switching circuits
- Power control systems
- Industrial automation interfaces
Procurement Notes
Verify the specific suffix ZTR indicates tape-and-reel packaging when sourcing. Confirm the manufacturer is Littelfuse, as this component originates from the IXYS Integrated Circuits Division acquisition. Ensure the datasheet revision matches the required specifications for your design. Check for any updates regarding absolute maximum ratings or thermal characteristics before finalizing procurement.
Selection Notes
Select this component for designs requiring a normally-on N-channel switch with high voltage tolerance. The 800V rating suits applications exceeding standard low-voltage MOSFET capabilities. Consider the 45 Ohm on-resistance for power dissipation calculations. The SOT-223 package offers a balance of thermal performance and board space efficiency for surface-mount assembly.
Part Context
This part belongs to the CPC398x series of depletion-mode MOSFETs. These devices are designed using proprietary technology originally developed by IXYS. The series provides reliable high-voltage switching solutions. The CPC3980ZTR specifically denotes the reel-packaged version of the CPC3980 device.
Replacement Considerations
Direct substitutes include other 800V N-channel depletion MOSFETs in SOT-223 packages. Verify pinout compatibility and on-resistance values. Cross-reference with IXYS/Littelfuse replacement guides for equivalent performance metrics.
