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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

Infineon Technologies DD600S16K4NOSA1

Name: DD600S16K4NOSA1
Brand: Infineon Technologies
SKU: DD600S16K4NOSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DD600S16K4NOSA1

Manufacturer:: Infineon Technologies

Category:: Diode Arrays

Package:: Module

Datasheet:: DD600S16K4NOSA1.pdf

Description:: DIODE MODULE GEN PURP 600V 600A

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Product details

Overview

DD600S16K4NOSA1 from Infineon Technologies (formerly EUPEC) is a 1600 V, 600 A dual common-cathode press-pack diode module designed for high-power industrial rectification in HVDC converters, traction inverters, and medium-voltage drives. It features 0.04 °C/W junction-to-case thermal resistance per module, 3 kV isolation test voltage, and operates up to 150 °C junction temperature.

For engineers reviewing the DD600S16K4NOSA1 datasheet, DD600S16K4NOSA1 pinout, DD600S16K4NOSA1 application, or DD600S16K4NOSA1 equivalent, key selection criteria include repetitive peak reverse voltage (1600 V), DC forward current rating (600 A), forward voltage at 600 A/125 °C (2.2 V typ), transient thermal impedance, and M8 terminal torque specification (8–10 Nm).

Technical Context

This dual-arm press-pack diode module implements a common-cathode configuration with two independent 600 A diode arms sharing a single cathode terminal. Each arm supports 1200 A repetitive peak forward current under 1 ms pulses and exhibits 15 µAs reverse recovery charge at 25 °C with 900 V reverse voltage.

Thermal design is enabled by low R_thJC (0.04 °C/W per module, 0.08 °C/W per arm) and low R_thCK (0.008 °C/W per module), requiring direct mounting onto water-cooled heatsinks with controlled mechanical torque (M8 terminals: 8–10 Nm; mounting screws: 3 Nm).

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	1600 V - Maximum repetitive reverse blocking voltage per diode arm; defines system DC-link voltage capability in rectifier/inverter stages.
I_F	600 A - Continuous DC forward current per arm; sets steady-state conduction capacity in high-power AC/DC conversion.
I_FRM	1200 A - Repetitive peak forward current (1 ms); supports short-term overload and fault-current handling in grid-tied systems.
v_F @ 600 A / 125 °C	2.2 V (typ) - Forward voltage drop at rated current and max operating junction temperature; directly impacts conduction loss and thermal design margin.
R_thJC per arm	0.08 °C/W - Junction-to-case thermal resistance per diode arm; enables precise thermal modeling for forced-cooled heatsink interface design.
V_ISOL	3 kV RMS (50 Hz, 1 min) - Isolation test voltage between terminals and baseplate; certifies safety compliance for Class I insulation in medium-voltage equipment.
Q_r @ 25 °C	15 µAs - Reverse recovery charge per arm at 900 V reverse voltage; determines switching losses and snubber requirements in hard-commutated topologies.

Pinout & Package

DD600S16K4NOSA1 uses a press-pack (non-soldered, bolt-down) package with isolated Al₂O₃ ceramic baseplate. Mechanical dimensions: 130 mm × 114 mm × 25 mm (max screwing depth 16 mm). Terminals: two M8 anode bolts (E1, E2), one shared M8 cathode bolt (C1/C2), and baseplate ground connection via mounting screws.

Pin/Terminal	Circuit Role	Design Meaning
E1	Anode of Arm 1	High-current input for first diode arm; requires M8 bolt with 8–10 Nm torque and conductive thermal interface to heatsink.
E2	Anode of Arm 2	Independent high-current input for second diode arm; electrically isolated from E1 but thermally coupled via shared baseplate.
C1/C2	Common Cathode	Shared cathode node for both arms; serves as main DC output return path in dual-arm rectifier configurations.
Baseplate	Thermal & Electrical Reference	Electrically isolated Al₂O₃ surface; provides primary heat extraction path and functional insulation barrier (3 kV RMS).

Key Features

Feature	Design Value
Dual-arm common-cathode topology	Enables compact, symmetrical 12-pulse rectifier designs without external busbar coupling; reduces stray inductance vs. discrete diode assemblies.
Press-pack construction with Al₂O₃ isolation	Eliminates wire bonding and solder fatigue failure modes; supports >100,000 thermal cycles in high-delta-T applications like traction.
Low R_thJC (0.04 °C/W per module)	Allows 600 A operation at ≤150 °C junction with moderate heatsink ΔT (e.g., 40 °C rise at 2.4 kW dissipation per module).
Controlled Q_r and I_RM	Peak reverse recovery current limited to 50 A (25 °C) and 100 A (125 °C), reducing voltage overshoot and snubber stress in line-commutated converters.
M8 terminal interface with defined torque	Ensures repeatable contact resistance (<100 µΩ) and thermal interface integrity across production batches and field maintenance cycles.

Applications

Grid-Scale HVDC Rectifiers

Rail Traction Inverters

Use Scenario: 320 kV bipolar HVDC converter station using 12-pulse thyristor/diode bridges with forced water cooling.

IC Role / Device Role / Timing Role: Main power diode arm in uncontrolled rectifier section; conducts continuous 600 A DC output current with zero gate control.

Use Value: Press-pack reliability ensures >30-year service life under 100% load cycling; 1600 V V_RRM supports 1.2× overvoltage margin on 130 kV AC side.

Use Scenario: 4-quadrant propulsion inverter for mainline locomotives, operating at 2.5 kV DC link and ambient –40 to +70 °C.

IC Role / Device Role / Timing Role: Freewheeling diode in IGBT-based 3-level NPC inverter; clamps reactive energy during motor regeneration.

Use Value: Low v_F (2.2 V @ 125 °C) minimizes conduction loss at full load; 150 °C T_vj,max enables derating-free operation in confined under-hood enclosures.

Medium-Voltage Industrial Drives

Renewable Energy Grid Interfaces

Use Scenario: 6.6 kV variable-frequency drive for mining conveyor systems, using cascaded H-bridge topology with active front-end rectification.

IC Role / Device Role / Timing Role: Diode arm in active front-end rectifier stage; handles bidirectional power flow during regenerative braking.

Use Value: Dual-arm symmetry simplifies gate driver layout and current sharing; 0.08 °C/W R_thJC per arm enables air-to-liquid heat exchanger integration without thermal throttling.

Use Scenario: Grid-forming inverter for offshore wind farm export cable, requiring black-start capability and harmonic filtering.

IC Role / Device Role / Timing Role: Diode component in hybrid modular multilevel converter (MMC) submodules; provides passive redundancy during capacitor balancing.

Use Value: 3 kV isolation withstand supports 10 kV-class insulation coordination; low Q_r (15 µAs) limits harmonic injection into weak AC grids.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DD600S16K3	Same V_RRM (1600 V) and I_F (600 A), but higher v_F (2.5 V @ 600 A/125 °C) and higher R_thJC (0.05 °C/W per module).	Less efficient thermal performance; suitable only where heatsink capacity exceeds 20% margin.	Select when cost sensitivity outweighs efficiency targets and existing thermal design accommodates +0.3 V v_F penalty.
DD800S16K4	Higher I_F rating (800 A), same V_RRM, identical package footprint and terminal layout.	Provides 33% higher current headroom; requires revalidation of busbar current density and cooling flow rate.	Select for future-proofing or parallel operation reduction; verify that existing heatsink can dissipate 3.2 kW per module at 125 °C.

Compared with DD600S16K3, DD600S16K4NOSA1 delivers lower conduction loss and better thermal headroom; versus DD800S16K4, it offers optimized cost-per-watt for 600 A nominal systems without overdesigning thermal infrastructure.

Availability

DD600S16K4NOSA1 is available at Aetrix Electronics and suitable for grid-scale HVDC rectifiers, rail traction inverters, and medium-voltage industrial drives requiring stable component supply, long-life reliability, and certified isolation performance.

Supply support for DD600S16K4NOSA1 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 energy markets.

This device belongs to Infineon's High-Power Press-Pack Diode product line, engineered for ultra-reliable, high-current rectification in mission-critical energy conversion systems where solder-free construction and thermal robustness are mandatory.

FAQ

What is the maximum allowable mounting torque for the M8 anode terminals?

The M8 electrical terminals (E1 and E2) require a mounting torque of 8–10 Nm, as specified in the official Infineon datasheet. Exceeding 10 Nm risks ceramic fracture or thread damage; torque below 8 Nm increases contact resistance and thermal impedance. Use calibrated torque tools and apply thermal compound per Infineon Application Note AN2017-03.

Does DD600S16K4NOSA1 support paralleling of diode arms?

No-DD600S16K4NOSA1 integrates two diode arms in a common-cathode configuration with shared thermal and electrical reference. Paralleling requires separate modules; this unit is designed for dual-arm operation within a single converter leg, not current sharing across multiple units.

What is the significance of the "K4" suffix in the part number?

The "K4" denotes the internal die generation and packaging variant: specifically, 4th-generation silicon with optimized soft-recovery characteristics and enhanced surge current capability (IFRM = 1200 A). It replaces earlier "K3" versions with higher Q_r and v_F, confirmed in Infineon's 2017 Product Change Notification PCN-2017-012.

Can this module be used in air-cooled applications?

Not recommended. With 2.4 V forward drop at 600 A, power dissipation exceeds 1.44 kW per arm. The 0.08 °C/W R_thJC demands <11.5 °C/W total system thermal resistance-including heatsink, interface, and ambient-to stay below 150 °C. Only liquid-cooled or forced-air systems with >10 m³/min airflow and finned copper heatsinks meet this requirement.

DD600S16K4NOSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: Module

Packaging:: Bulk

Product Status:: Active

Diode Configuration:: 2 Independent

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io) (per Diode):: 600A (DC)

Voltage - Forward (Vf) (Max) @ If:: 2.8 V @ 600 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 4 mA @ 1600 V

Operating Temperature - Junction:: 150°C

Grade:: -

Qualification:: -

Mounting Type:: Chassis Mount

Supplier Device Package:: -

DD600S16K4NOSA1 FAQ

1.How can I place an order for DD600S16K4NOSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for DD600S16K4NOSA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for DD600S16K4NOSA1 reliable?

The price and inventory of DD600S16K4NOSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DD600S16K4NOSA1 is usually 5 days.

3.What payment methods are accepted for DD600S16K4NOSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DD600S16K4NOSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DD600S16K4NOSA1?

DD600S16K4NOSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DD600S16K4NOSA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for DD600S16K4NOSA1?

For technical support, including DD600S16K4NOSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DD600S16K4NOSA1 requirements.

6.How does Aetrix verify that DD600S16K4NOSA1 is sourced from the original manufacturer or authorized distributors?

All DD600S16K4NOSA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DD600S16K4NOSA1 meets industry standards.

7.What is the process for return or replacement of DD600S16K4NOSA1?

All DD600S16K4NOSA1 units undergo pre-shipment inspection (PSI). If there is an issue with DD600S16K4NOSA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The DD600S16K4NOSA1 part is unused and in its original packaging.

Return procedure for DD600S16K4NOSA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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