Description
The IRFZ46 N-Channel Power MOSFET is a power semiconductor designed for efficient electronic switching. It uses a voltage-controlled gate to regulate current between the drain and source terminals, making it useful in automotive electronics, motor controllers, DC switching circuits, and other power-management applications.
Its low on-state resistance can help reduce conduction losses when the MOSFET is driven with a suitable gate voltage. The TO-220AB package supports through-hole mounting and heatsink installation, making the device practical for power electronics prototypes and repair projects.
The IRFZ46 can be used to control suitable DC loads, but its actual current-handling capability depends on gate-drive voltage, operating temperature, cooling, PCB layout, and other circuit conditions. Always check the manufacturer’s datasheet before designing around the maximum ratings.
Key Features
- N-channel power MOSFET
- Drain-to-source voltage: 55V in the detailed specifications
- Continuous drain current: 50A, as listed
- TO-220AB through-hole package
- Low on-state resistance, subject to specified operating conditions
- Fast switching characteristics
- Maximum gate-to-source voltage: ±20V
- Listed maximum power dissipation: 150W under specified thermal conditions
- Suitable for automotive and general-purpose DC switching applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IRFZ46 |
| Component Type | N-Channel Power MOSFET |
| Drain-to-Source Voltage (VDS) | 55V in detailed specifications; 50V in product title/table — verify |
| Continuous Drain Current (ID) | 50A (listed; conditions apply) |
| Drain-to-Source On-Resistance (RDS(on)) | 0.024Ω in one table; 0.028Ω in detailed specifications — verify |
| Gate-to-Source Voltage (VGS) | ±20V maximum |
| Total Gate Charge (Qg) | 67nC (listed) |
| Maximum Power Dissipation | 150W (listed; thermal conditions apply) |
| Package | TO-220AB |
| Mounting Type | Through-hole |
| SKU | 1179 |
| Availability | Out of stock |
| Price | ₨ 50 |
Pin Configuration
The supplied listing gives the following pin arrangement:
| Pin Number | Pin Name | Function |
|---|---|---|
| 1 | Gate (G) | Controls MOSFET switching |
| 2 | Drain (D) | Main current terminal |
| 3 | Source (S) | Main current return terminal |
| Metal Tab | Drain (D) | Typically connected to the drain; verify the exact datasheet |
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