Infineon Technologies IDD03SG60CXTMA1

Overview

IDD03SG60CXTMA1 from Infineon Technologies is a 3rd-generation thinQ!™ silicon carbide Schottky diode rated for 600 V repetitive peak reverse voltage, 3 A continuous forward current at T_C < 130 °C, and 2.1–2.3 V forward voltage at 3 A and 25 °C. It delivers zero reverse recovery charge (Q_C = 3.2 nC), <10 ns switching time, and operates up to 175 °C junction temperature - deployed in CCM PFC stages of high-efficiency SMPS.

For engineers reviewing the IDD03SG60CXTMA1 datasheet, IDD03SG60CXTMA1 pinout, IDD03SG60CXTMA1 application, or IDD03SG60CXTMA1 equivalent, key selection criteria include its SiC-based zero-recovery behavior, thermal resistance (R_thJC = 3.9 K/W), surge capability (I_F,max = 100 A), low Q_C/I_F figure of merit, and PG-TO252-3 surface-mount package compatibility with high-power density board layouts.

Technical Context

This SiC Schottky diode replaces conventional silicon fast recovery diodes in hard-switched topologies by eliminating minority-carrier storage and reverse recovery losses. Its capacitive switching mechanism ensures temperature-independent t_c < 10 ns and no dependence on dI_F/dt or T_j for turn-off dynamics.

Designed for unidirectional power conversion, it supports high dv/dt ruggedness (50 V/ns) and withstands 600 V DC blocking with I_R ≤ 0.23 µA at 25 °C and ≤ 1 µA at 150 °C. The device's R_thJC = 3.9 K/W enables direct thermal coupling to PCB copper planes in motor drives and solar inverters.

Key Specifications

Pinout & Package

Package: PG-TO252-3 (DPAK), surface-mount, RoHS-compliant, MSL1 reflow capable up to 260 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SiC Schottky diode applications.

Compared with C3D03060E and STPSC306D, IDD03SG60CXTMA1 offers the lowest Q_C/I_F FoM (1.07 nC/A), tightest V_F distribution (±0.1 V), and isolated Pin 1 for optimized thermal management - making it optimal for high-density, high-efficiency PFC and solar applications where thermal design margin is constrained.

Availability

IDD03SG60CXTMA1 is available at Aetrix Electronics and suitable for CCM PFC in server PSUs, solar string inverters, industrial UPS systems, and EV onboard chargers requiring stable component supply across multi-year production cycles.

Supply support for IDD03SG60CXTMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power semiconductors, microcontrollers, and sensor solutions for industrial, automotive, and renewable energy markets.

IDD03SG60CXTMA1 belongs to Infineon's thinQ!™ 3rd-generation SiC Schottky diode product line, engineered specifically for high-frequency, high-temperature power conversion where zero-recovery behavior and thermal resilience are mandatory.

FAQ

What is the maximum allowable junction temperature for IDD03SG60CXTMA1?

The absolute maximum junction temperature is 175 °C, verified per JEDEC JESD22-A108 qualification. Operation at this limit requires strict thermal design: R_thJC must be maintained at ≤3.9 K/W, and case temperature must not exceed 130 °C to sustain 3 A continuous current. Derating curves in the datasheet confirm 9.7 A surge capability at T_C = 150 °C for 10 ms pulses.

Does IDD03SG60CXTMA1 require a gate driver or external control circuitry?

No - IDD03SG60CXTMA1 is a passive two-terminal Schottky diode with no gate terminal or control interface. It operates solely based on applied voltage polarity and current direction. Unlike SiC MOSFETs, it needs no gate drive, biasing, or timing synchronization; it conducts automatically when anode voltage exceeds cathode by >2.1 V and blocks when reverse biased up to 600 V.

Can IDD03SG60CXTMA1 replace a silicon fast recovery diode in an existing PFC design?

Yes - it is a direct drop-in replacement in PG-TO252-3 footprints, but layout optimization is recommended: enlarge the cathode copper pour to exploit its 3.9 K/W R_thJC, reduce snubber capacitance due to zero trr, and verify EMI filter margins since faster edge rates may increase high-frequency noise. No changes to control loop or gate timing are needed.

What is the significance of "no reverse recovery" in practical system performance?

"No reverse recovery" means the diode switches purely via capacitive discharge (t_c < 10 ns), eliminating minority-carrier storage and associated reverse recovery current spikes. This removes 30–50% of switching losses in PFC stages, reduces EMI filter size by up to 40%, avoids shoot-through risk in bridge configurations, and enables stable operation at higher frequencies without thermal runaway - directly improving power density and reliability.