## Overview

The MUR1620CTG is an ultra-fast recovery rectifier diode manufactured by onsemi. It is designed for high-efficiency rectification in power supplies, inverters, and other high-speed switching applications. The device combines low forward voltage drop, fast reverse recovery, and high surge current capability, making it suitable for applications in switch-mode power supplies (SMPS), high-frequency inverters, and industrial power systems.

The MUR1620CTG is packaged in a robust TO-220AC configuration, allowing efficient heat dissipation and straightforward mounting in high-power circuits.

## Core Features

* Type: Ultra-fast recovery rectifier diode
* Polarity: Unidirectional
* High-speed switching with low reverse recovery time
* Low forward voltage drop for reduced conduction losses
* High surge current capability for transient conditions
* Rugged TO-220AC package with efficient thermal path
* RoHS-compliant and halogen-free

These features enable high-efficiency power conversion and reliable operation in industrial and consumer electronic systems.

## Electrical Specifications

* Maximum repetitive peak reverse voltage (VRRM): 200 V
* Average forward rectified current (IF(AV)): 16 A at TC = 125 °C
* Maximum instantaneous forward voltage drop (VF): 1.35 V typical at IF = 16 A
* Peak repetitive reverse voltage: 200 V
* Non-repetitive surge current (IFSM, 8.3 ms half-sine): 400 A
* Reverse leakage current (IR): 5 µA typical at VR = 200 V
* Reverse recovery time (trr): 75 ns typical
* Junction capacitance (Cj): 60 pF typical at VR = 4 V, f = 1 MHz

These specifications indicate that the MUR1620CTG can handle high-current loads efficiently while switching rapidly with minimal losses.

## Switching Performance

* Ultra-fast recovery diode suitable for high-frequency applications
* Reverse recovery charge (Qrr): 130 nC typical
* Low stored charge minimizes switching losses
* High dv/dt and di/dt tolerance ensures reliable operation in SMPS
* Fast reverse recovery improves overall converter efficiency and reduces electromagnetic interference (EMI)

Fast switching characteristics make this diode ideal for power supply rectification and high-frequency inverter applications.

## Thermal and Power Handling

* Maximum junction temperature (TJ): 175 °C
* Operating and storage temperature range: −65 °C to +175 °C
* Thermal resistance, junction-to-case (RthJC): 1.5 °C/W typical
* Thermal resistance, junction-to-ambient (RthJA): 50 °C/W typical without heatsink
* High surge current capability supports transient overload conditions

Efficient thermal performance ensures reliable long-term operation under high-current and high-temperature conditions.

## Package and Mechanical Details

* Package type: TO-220AC
* Pin configuration: Anode, Cathode, and Case connected to cathode
* Pin pitch: 2.54 mm typical
* Lead form suitable for through-hole PCB mounting
* Exposed metal tab for heatsinking or direct chassis mounting

The package design provides a combination of high thermal dissipation and mechanical stability, suitable for high-power applications.

## Protection and Reliability Features

* High surge current tolerance for transient voltage events
* Low junction temperature rise under high current conditions
* Stable performance under repetitive switching cycles
* Hermetically sealed plastic case improves environmental robustness

These features increase system reliability and lifespan in demanding industrial, automotive, and power electronics environments.

## Applications

* High-frequency switch-mode power supplies (SMPS)
* High-speed DC-DC converters
* Industrial inverters and motor drives
* Battery chargers and uninterruptible power supplies (UPS)
* Freewheeling and snubber diode applications
* Power rectification in high-efficiency electronic circuits

The MUR1620CTG is particularly well-suited for applications requiring high-speed switching, low losses, and the ability to handle large surge currents.

## Advantages

* Ultra-fast recovery minimizes switching losses and EMI
* Low forward voltage drop improves conduction efficiency
* High surge current capability supports transient events
* TO-220AC package allows efficient heat dissipation and easy mounting
* Robust, reliable performance in high-temperature, high-current applications
* High dv/dt and di/dt tolerance ensures stable operation in fast-switching circuits

The onsemi MUR1620CTG provides a high-performance, reliable, and efficient solution for ultra-fast rectification in high-power and high-frequency electronic systems.