IRFZ34 N-Channel MOSFET Transistor 55V 29A TO-220
The IRFZ34 N-Channel MOSFET Transistor 55V 29A TO-220 is an enhancement-mode N-channel power MOSFET designed for high-current switching and power control applications. With a maximum drain-to-source voltage of 55V and a continuous drain current of 29A, it delivers reliable performance in power supplies, DC motor control, battery-powered systems, inverters, and industrial switching circuits. Its low 40mΩ maximum on-state resistance minimizes conduction losses, improving efficiency while reducing heat generation.
Features:
- N-Channel enhancement-mode power MOSFET.
- Maximum drain-source voltage of 55V.
- Continuous drain current up to 29A.
- Low 40mΩ maximum on-state resistance.
- Fast switching performance.
- High avalanche ruggedness.
- Wide safe operating area.
- Optimized for switching applications below 100kHz.
- TO-220AB through-hole package.
Specifications:
| Parameter | Value |
|---|---|
| Product Type | N-Channel Power MOSFET |
| Channel Type | N-Channel |
| Technology | Enhancement Mode |
| Package | TO-220AB |
| Mounting Type | Through Hole |
| Drain-Source Voltage (VDS) | 55V |
| Continuous Drain Current (ID) @ 25°C | 29A |
| Continuous Drain Current @ 100°C | 20A |
| Pulsed Drain Current (IDM) | 100A |
| Gate-Source Voltage (VGS) | ±20V |
| Drain-Source On-Resistance (RDS(on)) | 0.040Ω |
| Gate Threshold Voltage (VGS(th)) | 2V ~ 4V |
| Forward Transconductance (gfs) | 6.5S |
| Power Dissipation (PD) | 68W |
| Single Pulse Avalanche Energy (EAS) | 65mJ |
| Avalanche Current (IAR) | 16A |
| Total Gate Charge (Qg) | 34nC |
| Gate-Source Charge (Qgs) | 6.8nC |
| Gate-Drain Charge (Qgd) | 14nC |
| Input Capacitance (Ciss) | 700pF |
| Output Capacitance (Coss) | 240pF |
| Reverse Transfer Capacitance (Crss) | 100pF |
| Turn-On Delay Time (td(on)) | 7.0ns |
| Rise Time (tr) | 49ns |
| Turn-Off Delay Time (td(off)) | 31ns |
| Fall Time (tf) | 40ns |
| Operating Junction Temperature | -55°C ~ +175°C |

Pin Configuration:
Applications:
- DC motor control.
- Switching power supplies (SMPS).
- DC-DC converters.
- Battery management systems.
- Power inverters.
- LED lighting drivers.
- Relay and solenoid drivers.
- Industrial power switching.
- High-current load control.
- General power electronics.
Package Include:
1x IRFZ34 N-Channel MOSFET Transistor 55V 29A TO-220.
