Infineon Technologies FF1MR12KM1HHPSA1

Overview

FF1MR12KM1HHPSA1 from Infineon is a 62 mm C-Series dual-channel silicon carbide (SiC) MOSFET power module with integrated body diodes, rated for 1200 V drain-source voltage and 560 A nominal continuous current per switch. It employs CoolSiC™ trench gate technology to achieve low R_DS(on) (1.47 mΩ typ. at 25 °C), high switching speed (E_on/E_off ≤ 23.3/16.7 mJ at 175 °C), and 4 kV AC insulation. It is designed for high-efficiency, high-frequency DC/DC converters in EV fast-charging infrastructure.

For engineers reviewing the FF1MR12KM1HHPSA1 datasheet, FF1MR12KM1HHPSA1 pinout, FF1MR12KM1HHPSA1 application, or FF1MR12KM1HHPSA1 equivalent, key selection criteria include its 1200 V blocking capability, 1120 A peak repetitive current rating, 0.083 K/W junction-to-case thermal resistance, and validated industrial qualification per IEC 60747/60749/60068.

Technical Context

This module integrates two identical SiC MOSFETs in a half-bridge configuration with co-packaged body diodes, enabling bidirectional conduction and synchronous rectification. Its 20 nH stray inductance and 0.465 mΩ terminal-to-chip lead resistance support high di/dt (>5.9 kA/µs) and low conduction loss in hard-switched topologies.

The gate drive interface requires bipolar voltage control: −5 V to 0 V for turn-off and +15 V to +18 V for turn-on, with transient gate voltage limits of −10 V/+23 V. Thermal design must account for 175 °C maximum junction temperature and 0.020 K/W case-to-heatsink resistance under λ_grease = 1 W/(m·K).

Key Specifications

Pinout & Package

FF1MR12KM1HHPSA1 uses the standardized 62 mm C-Series industrial power module package with copper baseplate, Al₂O₃ ceramic isolation, and M6 screw mounting. Dimensions: 62 mm × 108 mm × 17 mm (L × W × H); weight: 340 g.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage SiC MOSFET module applications.

Compared with IXFN120N120P and CM1200HC-24A, FF1MR12KM1HHPSA1 delivers superior high-frequency efficiency (≤23.3 mJ E_on), tighter thermal coupling (0.083 K/W), and integrated half-bridge topology-making it optimal for compact, air-cooled 100–350 kW DC/DC converters where power density and switching loss dominate design constraints.

Availability

FF1MR12KM1HHPSA1 is available at Aetrix Electronics and suitable for EV DC fast chargers, solar central inverters, and industrial UPS systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for safety-critical deployments.

Supply support for FF1MR12KM1HHPSA1 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 electronics, automotive ICs, and security solutions, with global R&D and manufacturing facilities.

This part belongs to Infineon's CoolSiC™ 62 mm C-Series module family, engineered specifically for high-efficiency, high-reliability industrial power conversion systems operating at 1000–1200 V DC bus voltages and >100 kHz switching frequencies.

FAQ

What gate drive voltage is required for reliable operation?

FF1MR12KM1HHPSA1 requires −5 V to 0 V for turn-off and +15 V to +18 V for turn-on under steady-state conditions. Transient gate voltage must not exceed −10 V or +23 V. These values are defined in Table 4 of the datasheet and ensure robust threshold margin, low R_DS(on), and minimized Miller-induced false turn-on risk during high dv/dt events.

Is this module qualified for automotive applications?

No-FF1MR12KM1HHPSA1 is qualified only for industrial applications per IEC 60747, 60749, and 60068 standards. It lacks AEC-Q101 qualification, automotive-specific screening, or extended temperature grade (−40 °C to 150 °C ambient). For automotive traction or on-board charging, Infineon's HybridPACK™ Drive modules are specified instead.

How does the body diode performance compare to discrete SiC Schottky diodes?

The integrated body diode has V_SD = 3.85 V at 560 A and 175 °C, versus ~1.5–2.0 V for discrete 1200 V SiC Schottky diodes. While higher forward drop increases conduction loss, the co-packaged structure eliminates parasitic inductance and enables precise timing control in synchronous rectification-critical for ZVS in resonant converters.

What thermal interface material is recommended for mounting?

Infineon specifies λ_grease = 1 W/(m·K) for R_thCH = 0.020 K/W calculation. Recommended materials include Dow Corning TC-5122 or Henkel Loctite ABLESTIK 84-7LS, applied at 0.08–0.12 mm thickness with 3–6 Nm screw torque (M6). Exceeding 0.15 mm thickness degrades thermal performance by >15%.