Infineon Technologies D650N02TXPSA1

Overview

D650N02TXPSA1 from Infineon Technologies is a high-power, press-pack silicon rectifier diode designed for industrial AC/DC conversion in medium- to high-voltage thyristor/diode stacks. It delivers 650 A average on-state current at TC = 100 °C, 400 V repetitive peak reverse voltage (VRRM), and 6300 A surge current (IFSM) at Tvj = 25 °C, tP = 10 ms - enabling use in 3-phase bridge rectifiers for traction converters and HVDC valve modules.

For engineers reviewing the D650N02TXPSA1 datasheet, D650N02TXPSA1 pinout, D650N02TXPSA1 application, or D650N02TXPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (RthJC ≤ 0.081 °C/W two-sided), forward voltage drop (vF ≤ 1.44 V at 1350 A), and transient thermal impedance behavior under 50 Hz half-wave overload conditions.

Technical Context

This device is a single-die, pressure-contact, stud-mounted rectifier diode with symmetrical double-sided cooling capability. Its on-state characteristic follows a four-parameter logarithmic model (A=0.54, B=1.988×10⁻⁴, C=−1.66×10⁻², D=2.007×10⁻²), enabling precise conduction loss modeling across 100–3000 A.

Thermal performance is defined by analytical ZthJC elements for anode-, cathode-, and two-sided cooling configurations, with DC RthJC as low as 0.074 °C/W (two-sided). Reverse recovery charge Qr ranges from 25 µAs to 1000 µAs depending on di/dt (1–1000 A/µs) and forward current (25–800 A), measured at Tvj = 180 °C and vR ≤ 0.5 VRRM.

Key Specifications

Pinout & Package

Package: Press-pack, stud-mounted, double-sided cooling capable, Si pellet with pressure contact, clamping force 2.6–4.6 kN, weight ≈75 g, creepage distance 10 mm.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-power rectifier diode applications.

Compared with DD650N02K and D670N04TXPSA1, D650N02TXPSA1 uniquely balances 400 V blocking, 650 A conduction, and 0.081 °C/W thermal resistance - making it optimal for cost-sensitive, medium-voltage industrial rectifier stacks requiring two-sided thermal management.

Availability

D650N02TXPSA1 is available at Aetrix Electronics and suitable for industrial HVDC valve modules, traction converter rectifier stacks, and medium-voltage motor drive front ends requiring stable component supply across long production lifecycles.

Supply support for D650N02TXPSA1 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 is a German semiconductor manufacturer specializing in power electronics, automotive ICs, and industrial control solutions, with global manufacturing and R&D centers.

D650N02TXPSA1 belongs to Infineon's IFBIP high-power press-pack diode product line, engineered for reliability in series-connected valve applications demanding high surge robustness, precise thermal predictability, and mechanical stability under vibration and thermal cycling.

FAQ

What is the recommended clamping force for D650N02TXPSA1 installation?

The datasheet specifies a clamping force range of 2.6–4.6 kN. Applying force within this window ensures optimal thermal contact resistance and mechanical stability without damaging the Si pellet or housing. Use calibrated torque tools and follow Infineon's mounting sequence: pre-torque to 50%, then final torque in cross-pattern increments to avoid uneven stress.

Can D650N02TXPSA1 be used with single-sided cooling only?

Yes - the datasheet provides separate RthJC values for anode-sided (0.132 °C/W), cathode-sided (0.203 °C/W), and two-sided (0.081 °C/W) cooling. Single-sided operation is valid but requires 60–150% higher heatsink thermal capacity to maintain Tvj ≤ 180 °C at rated IFAVM, depending on which side is cooled.

Is reverse recovery charge (Qr) characterized at elevated junction temperature?

Yes - all Qr data (25–1000 µAs) is measured at Tvj = 180 °C, with vR ≤ 0.5 VRRM and vRM = 0.8 VRRM, using an RC network (R = 5.6 Ω, C = 0.68 µF). This reflects worst-case recovery behavior under full thermal stress, enabling accurate snubber design for high-temperature operation.

Does D650N02TXPSA1 comply with AEC-Q101 or automotive qualification standards?

No - D650N02TXPSA1 is qualified per industrial and power infrastructure standards (IEC 60747-2), not AEC-Q101. Its design targets grid, traction, and industrial applications; it lacks automotive-specific stress testing (e.g., temperature cycling, humidity bias). For automotive use, consult Infineon's dedicated AEC-Q101 diode portfolio.