IRLZ34N N-Channel MOSFET – 55V, 30A, Logic Level TO-220 Power Transistor

SKU: b575
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📝 Product Description

The IRLZ34N is a logic-level N-Channel MOSFET designed for high-efficiency switching and amplification in low-voltage circuits. With a drain current of 30A, low RDS(on) of 35mΩ, and logic-level gate drive capability, it can be controlled directly from microcontrollers (like Arduino, STM32, ESP32) and IC outputs without needing additional driver circuits.

Packaged in a TO-220AB case, the IRLZ34N is widely used in DC motor control, LED dimming, power supplies, inverters, and battery management systems. Its high pulsed current rating (up to 110A) and rugged design make it suitable for demanding applications.

🔧 Key Features

  • N-Channel logic-level MOSFET

  • Low RDS(on): 0.035Ω

  • High drain current: 30A continuous, 110A pulsed

  • Gate drive: Compatible with TTL/CMOS logic levels

  • Rugged TO-220AB package for easy mounting and cooling

  • High power dissipation: 68W

  • Wide operating junction temperature: -55°C to +175°C

📋 Technical Specifications

Parameter Value
Transistor Type N-Channel MOSFET
Package Type TO-220AB
Vds (Drain-Source Voltage) 55V
Vgs (Gate-Source Voltage, max) ±16V
Id (Continuous Drain Current) 30A
Id (Pulsed Drain Current) 110A
RDS(on) (On-State Resistance) 35mΩ
Power Dissipation (Pd) 68W
Total Gate Charge (Qg) 25nC
Operating Junction Temp -55°C to +175°C

📍 Pinout (TO-220 Package)

  1. Gate (G) – Controls the transistor

  2. Drain (D) – Connected to the load

  3. Source (S) – Ground/return path

🌍 Applications

  • 🚗 Automotive Applications – Motor drivers, lighting control, electronic modules

  • ⚡ Power Supply Circuits – DC-DC converters, low-voltage regulators

  • 🔋 Battery Charger Circuits – Efficient charging systems for Li-ion & lead-acid batteries

  • 🔧 Battery Management Systems (BMS) – Current control and switching for safety

  • 🔌 Uninterruptible Power Supplies (UPS) – Backup power switching circuits

  • ☀️ Solar Power Supplies – Solar inverters and energy storage interfaces

  • 🔆 Solar Battery Chargers – Smart charging with efficient switching

  • 🎛 Motor Controllers – High-efficiency DC motor drivers and PWM controllers

  • 🔄 Inverter Circuits – AC/DC conversion for renewable and backup power

  • 🔋 Portable & Battery-Operated Devices – Low-voltage load switching

  • 🎵 Audio Amplifiers – High-current driver stages for speakers and subs

📦 Package Includes

  • 1 × IRLZ34N N-Channel MOSFET (TO-220AB Package)