Infineon Technologies DD89N12KKHPSA1

Overview

DD89N12KKHPSA1 from Semikron is a dual-diode rectifier module with 1200 V repetitive peak reverse voltage (VRRM), 89 A average on-state current (IFAVM) per arm at TC = 100°C, and 140 A RMS on-state current (IFRMSM). It features press-pack Si die with AlN internal insulation, designed for high-reliability industrial AC/DC conversion in three-phase six-pulse (B6) and single-phase two-pulse (B2) bridge configurations.

For engineers reviewing the DD89N12KKHPSA1 datasheet, DD89N12KKHPSA1 pinout, DD89N12KKHPSA1 application, or DD89N12KKHPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.215 °C/W per arm, DC), surge current rating (2800 A, 10 ms), on-state voltage (1.5 V max at 300 A, Tvj = 150°C), and isolation test voltage (3.0 kV RMS, 1 sec).

Technical Context

This dual-arm diode module implements a press-fit, double-sided cooled configuration with isolated Si pellets mounted on AlN ceramic substrates. Each arm supports independent conduction in B2 or B6 rectifier topologies, with thermal performance validated for both natural and forced-air cooling using KM14 heatsinks.

It operates across -40°C to +150°C case temperature range and delivers stable forward conduction with threshold voltage (V(TO)) of 0.75 V and slope resistance (rT) of 2.3 mΩ at maximum junction temperature - enabling precise loss modeling in high-power converter thermal design.

Key Specifications

Pinout & Package

DD89N12KKHPSA1 is housed in a press-pack module with dual-arm configuration: two anode terminals (A1, A2), two cathode terminals (K1, K2), and two isolated case mounting surfaces. The package uses AlN ceramic insulation and requires M2 terminal torque of 4 Nm ±10%.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-current rectifier module applications.

Compared with DD89N12KHPSA1 and DD105N12K, DD89N12KKHPSA1 offers arm-resolved thermal parameters and full B2/B6 derating validation - making it preferred for designs requiring precise per-arm thermal margin allocation and field-proven cooling integration.

Availability

DD89N12KKHPSA1 is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, welding equipment, and renewable energy inverters requiring stable component supply and long-lifecycle support.

Supply support for DD89N12KKHPSA1 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

Semikron is a German power semiconductor manufacturer specializing in high-reliability modules for industrial, energy, and traction applications since 1951.

This part belongs to the DD89N series of press-pack rectifier modules, engineered for ruggedized line-frequency AC/DC conversion in harsh environments where solder-free construction and ceramic isolation are critical.

FAQ

What is the maximum junction temperature and how is it enforced?

The maximum junction temperature (Tvj max) is 150°C, defined by silicon material limits and validated through transient thermal impedance modeling (ZthJC). Operation beyond this temperature risks irreversible degradation of the Si die and AlN insulation. Thermal design must use the provided RthJC = 0.215 °C/W (per arm, DC) and RthCH = 0.05 °C/W values with measured case temperature to confirm Tvj remains ≤150°C under worst-case load and ambient conditions.

Does DD89N12KKHPSA1 support paralleling of arms, and what is required?

Yes - the dual-arm architecture supports parallel operation for increased current capacity, but requires matched mounting pressure (M2 torque = 4 Nm ±10%), identical heatsink surface flatness (<0.05 mm), and symmetrical busbar inductance to ensure current sharing within ±10%. The datasheet provides no explicit parallel derating curve, so thermal and electrical imbalance must be verified via measurement at full load.

Is reverse recovery charge (Qr) specified, and what does that imply for EMI?

No - Qr is not specified in the datasheet. This reflects its design as a line-frequency rectifier, where soft recovery is not prioritized. In practice, the device exhibits uncontrolled reverse recovery with moderate di/dt sensitivity (Qr increases with higher -di/dt), potentially generating measurable EMI in high-dV/dt environments. Snubber networks or input filtering should be applied if used near sensitive analog or communication circuits.

What mechanical mounting standards apply to DD89N12KKHPSA1?

The module requires M1 mechanical mounting screws (torque = 4 Nm ±15%) for case fixation and M2 terminal screws (torque = 4 Nm ±10%) for electrical connections. Mounting surfaces must be clean, flat (≤0.05 mm deviation), and coated with thermal interface material meeting Semikron's specification for AlN-compatible pastes. Creepage distance is fixed at 15 mm, mandating minimum PCB or busbar spacing in insulated assemblies.