STD7NK40ZT4 STMicroelectronics MOSFET (N-Channel) (Other) In Stock
STMicroelectronics STD7NK40ZT4 is an N-channel MOSFET with 400V breakdown voltage and 5.4A drain current in a TO-252AA package. It features a maximum drain-source on-resistance of 1 Ohm and includes a built-in body diode for robust switching. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STD7NK40ZT4 Datasheet PDF
- Category
- MOSFET (N-Channel)
- Price
- From $0.5200(MOQ 100)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 400V minimum drain-source breakdown voltage for high-voltage power conversion applications
- Low 1 Ohm maximum drain-source on-resistance for efficient switching and reduced conduction losses
- Built-in body diode enables freewheeling in inductive switching circuits without external components
- TO-252AA (DPAK) surface-mount package provides excellent thermal performance in compact designs
Applications
The STD7NK40ZT4 is well-suited for switching power supplies, motor drivers, and DC-DC converter applications requiring high-voltage N-channel MOSFETs. Its 400V blocking capability and built-in body diode make it ideal for flyback converter primary switches and PFC boost stages. The TO-252AA surface-mount package enables efficient heat dissipation in industrial power management and home appliance control circuits.
Specifications
| Factory Lead Time | 13Weeks |
| YTEOL | 6.25 |
| Avalanche Energy Rating (Eas) | 130mJ |
| Configuration | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 400V |
| Drain Current-Max (ID) | 5.4A |
| Drain-source On Resistance-Max | 1Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR |
| JEDEC-95 Code | TO-252AA |
| JESD-30 Code | R-PSSO-G2 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Operating Mode | ENHANCEMENT MODE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity/Channel Type | N-CHANNEL |
| Power Dissipation-Max (Abs) | 70W |
| Pulsed Drain Current-Max (IDM) | 21.6A |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Position | SINGLE |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum drain-source breakdown voltage of the STD7NK40ZT4?
The STD7NK40ZT4 has a minimum drain-source breakdown voltage of 400V, making it suitable for high-voltage power conversion applications such as offline switching power supplies, motor drives, and PFC circuits operating from AC mains.
What is the on-resistance of the STD7NK40ZT4?
The STD7NK40ZT4 has a maximum drain-source on-resistance of 1 Ohm, ensuring manageable conduction losses at its rated drain current of 5.4A. This parameter is important for power efficiency calculations in switching power supply designs.
What package does the STD7NK40ZT4 use?
The STD7NK40ZT4 is available in the TO-252AA surface-mount package (also known as DPAK or JEDEC-95 code TO-252AA), which provides excellent thermal dissipation properties for power semiconductor applications while maintaining a compact PCB footprint.
Does the STD7NK40ZT4 have a built-in body diode?
Yes, the STD7NK40ZT4 features a built-in body diode (single configuration with built-in diode), with an avalanche energy rating of 130 mJ. This allows it to handle freewheeling currents in inductive switching circuits without requiring an external parallel diode.
What are typical applications for the STD7NK40ZT4?
Typical applications include flyback and forward switching power supplies, motor speed controllers, DC-DC converters, power factor correction circuits, and electronic ballasts. The 400V rating and 5.4A drain current make it suitable for medium-power industrial and consumer electronics designs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $1.0336 | $103.36 |
| 500+ | $0.8247 | $412.35 |
| 1000+ | $0.7575 | $757.54 |
| 2500+ | $0.6040 | $1510.00 |
| 5000+ | $0.5650 | $2825.00 |
| 10000+ | $0.5200 | $5200.00 |
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